СПОСОБ ДИНАМИЧЕСКОГО КОНТРОЛЯ ВНУТРЕННИХ ПАРАМЕТРОВ СИСТЕМ ЭЛЕКТРОДВИГАТЕЛЯ

Изобретение относится к области электротехники и предназначено для проведения измерений и осуществления динамического контроля соответствующих данных, к примеру, таких, как температура и вибрация, в электродвигателе. Сущность изобретения состоит в том, что оно предусматривает использование волоконно-оптического кабеля (5), заделанного в электроизоляцию (4), по меньшей мере, одного провода (3) обмоток электродвигателя, причем такой кабель (5) образует собой, по существу, растянутый термометр и/или вибродатчик. Технический результат от использования данного изобретения состоит в упрощении и в удешевлении предлагаемого способа, а также в повышении его надежности. 4 з.п. ф-лы, 3 ил.

АНТИПЕРСПИРАНТНЫЕ ИЛИ ДЕЗОДОРИРУЮЩИЕ КОМПОЗИЦИИ

Изобретение относится к области медицины. Композиция косметического антиперспирантного или дезодорирующего аэрозоля, пригодная для местного нанесения на кожу человека, включающая i) активное антиперспирантное или дезодорирующее вещество; ii) увлажняющий крем и необязательно iii) носитель для активного вещества. Изобретение обеспечивает комфортность применения, гладкость при нанесении и отсутствие высушивания кожи. 3 с. и 11 з.п. ф-лы, 2 табл.

УСТРОЙСТВО ДЛЯ КОНТРОЛЬНОГО ИСПЫТАНИЯ ЭЛЕКТРИЧЕСКОГО ПРИВОДА

Изобретение относится к электротехнике и может быть использовано для контрольного испытания электрического привода (15) и/или приданного приводу (15) механического устройства, которое является, в частности, арматурой или исполнительным органом. Техническим результатом является обеспечение автономности работы от центрального блока измерения при контрольных испытаниях и относительно малой мощности энергоснабжения. В устройстве для контрольного испытания электрического привода приводу и/или механическому устройству придан в соответствие блок, который содержит выводы (С, U, L, I). К указанным выводам подключен диагностический модуль. Предусмотрено, что имеется устройство энергоснабжения для диагностического модуля, которое выполнено с возможностью активирования через по меньшей мере один из выводов на блоке с выводами (С, U, L, I) или через внешний сигнал. 13 з.п. ф-лы, 1 ил.

СПОСОБ ФОРМИРОВАНИЯ ПРОФИЛЯ ЩЕТОК ЭЛЕКТРИЧЕСКИХ МАШИН ПОСТОЯННОГО ТОКА

Изобретение относится к машиностроению, в частности к изготовлению и ремонту электрических машин постоянного тока. Способ формирования профиля щеток электрических машин постоянного тока заключается в том, что берут одну или несколько новых щеток и устанавливают на стол проволочно-вырезного электроэрозионного станка. По номинальному радиусу нужного коллектора определяют чертеж профиля щетки и задают полученный профиль в системе программирования устройства числового программного управления, которое генерирует (определяет) режимы обработки: длину импульса, длину паузы между импульсами, основной текущий ток, напряжение искрового зазора, напряжение источника питания генератора, верхний предел скорости обработки, величину натяжения проволоки, скорость промотки проволоки. Далее запускают программу обработки в устройстве числового программного управления и производят рез профиля щетки электрическими искровыми разрядами, протекающими через проволоку. После получения необходимого профиля пакет или ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ПРОИЗВОДСТВА СЕРДЕЧНИКОВ ЭЛЕКТРИЧЕСКИХ МАШИН

Изобретение относится к электротехнике, а именно к производству электрических машин. Способ и устройство для формирования сердечника электрической машины, согласно которому штампованную металлическую полосу (4а, 4b) навивают на оправку (22) для формирования спиральной навивки. Затем диаметр оправки увеличивают для приложения растягивающего усилия к навитой полосе, когда витки навитой полосы зажаты между зажимами (24, 25). Витки навитой полосы затем фиксируют друг относительно друга (50, 51), когда виток удерживается при увеличенном диаметре. Диаметр оправки затем уменьшают для отсоединения шихтованного сердечника от оправки. Для производства ротора или статора электрической машины электрическую обмотку монтируют в пазах, сформированных на внутренней или наружной поверхности сердечника. Затем ротор или статор собирают в электрическую машину, двигатель или генератор. Технический результат состоит в улучшении технологичности изготовления витых сердечников для электрических машин большой мощности ...

СТАТОР ГОРИЗОНТАЛЬНОЙ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение относится к области электротехники и электромашиностроения и может быть использовано в крупных горизонтальных электрических машинах переменного тока, например, в асинхронных двигателях, имеющих щитовые подшипники. Сущность изобретения состоит в том, что в статоре горизонтальной электрической машины, содержащем сердечник с обмоткой, корпус и элементы фиксации сердечника в корпусе, включающие фиксирующую шпонку, закрепленную в верхней части корпуса, диаметр посадочной поверхности которого под сердечник выполнен равным диаметру сердечника, а посадочные поверхности корпуса статора под подшипниковые щиты и посадочная поверхность под сердечник соосны, согласно данному изобретению, посадочные поверхности под подшипниковые щиты выполнены большего диаметра, чем посадочная поверхность под сердечник статора. Технический результат, достигаемый при использовании настоящего изобретения, состоит в повышении точности фиксации сердечника в корпусе статора при одновременном снижении трудоемкости ...

СПОСОБ ИЗГОТОВЛЕНИЯ ВЫСОКОСКОРОСТНЫХ МАХОВИКОВ

Изобретение относится к области электротехники и может быть использовано при изготовлении высокоскоростных высокопрочных маховиков, обладающих многократным запасом прочности. Сущность изобретения: способ изготовления высокоскоростных маховиков из высокопластичного материала с относительно невысоким пределом текучести включает операции изготовления поковки, термообработки, предварительной механической обработки и предварительной балансировки. При этом согласно изобретению маховик подвергают динамической формовке - разгону до скоростей, превышающих рабочую скорость в 1,5-2 раза, и при необходимости последующей окончательной балансировке. Технический результат - обеспечение оптимального восприятия маховиком динамических нагрузок путем описанного выше динамического воздействия на материал маховика в процессе его изготовления. 1 з.п.ф-лы.

ВЫСОКОВОЛЬТНАЯ ЭЛЕКТРИЧЕСКАЯ МАШИНА ПЕРЕМЕННОГО ТОКА

Изобретение относится к электротехнике и может быть использовано в высоковольтных электрических машинах переменного тока, предназначенных для непосредственного включения в распределительную или магистральную сеть. Электрическая машина содержит по меньшей мере одну обмотку. Эта обмотка содержит по меньшей мере один токонесущий проводник, вокруг которого расположен первый слой, имеющий полупроводниковые свойства. Вокруг указанного первого слоя расположен твердый изолирующий слой, а вокруг указанного изолирующего слоя расположен второй слой, имеющий полупроводниковые свойства. Кроме того, предусмотрены средства заземления для соединения по меньшей мере одной точки указанной обмотки с "землей". Технический результат заключается в обеспечении возможности непосредственного включения электрической машины в распределительную или магистральную сеть. 2 с. и 31 з.п.ф-лы, 15 ил.

СПОСОБ ОПРЕДЕЛЕНИЯ ТЕХНИЧЕСКОГО СОСТОЯНИЯ ЭЛЕКТРОДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Использование: в области электротехники. Технический результат заключается в повышении точности диагностики. Способ заключается в получении с датчика, установленного в силовую цепь электродвигателя, сигнала, его выпрямлении и интегрировании в течение установленного времени, измерении полученного в результате интегрирования сигнала и сравнении его с сигналами, полученными аналогично и соответствующими электродвигателю без наработки и с предельной наработкой, определении по полученной разнице сигналов текущего технического состояния электродвигателя переменного тока и автоматическом прогнозировании его остаточного ресурса. Устройство состоит из источника питания, устройства включения электродвигателя, времязадающего устройства, датчика сигнала, электродвигателя, выпрямительного устройства, интегрирующего устройства, измерительного устройства и устройства отображения информации. 2 н.п. ф-лы, 5 ил.

ПРИСПОСОБЛЕНИЕ КОМПЕНСАЦИИ ТЕРМИЧЕСКОЙ ДЕФОРМАЦИИ ПРИ НАПЛАВКЕ ПОДШИПНИКОВОГО ЩИТА ТЯГОВОГО ЭЛЕКТРОДВИГАТЕЛЯ

Приспособление компенсации термической деформации подшипникового щита тягового электродвигателя, содержащее кольцо, опорная плоскость которого имеет клиновидный разрез со вставленным в него разжимным устройством, состоящим из болта с клиновидной шляпкой на одном конце и навинченной на другом его конце гайкой, устанавливаемой во внутреннюю выемку торцевой поверхности щита для ее разжима с внутренней стороны.

ЭЛЕКТРИЧЕСКАЯ МАШИНА ВЕТОХИНА "ЭМВ"

Заявляемое решение (полезная модель) относится к области электротехники, в частности к погружным электрическим машинам для водоканала, для очистных сооружений, для химической и целлюлозно-бумажной промышленностей. Цель данного решения состоит в повышении энергетических характеристик, уменьшении пускового тока, увеличении пускового момента и улучшении виброакустических характеристик ЭМВ. Электрическая машина ЭМВ содержит статор 2 с обмоткой 4, монолитный ротор 6, имеющий на периферии концентрические отверстия 10, в которые вставлены медные стержни, закрепленные по торцам медными кольцами 11 в общую рабочую беличью клетку, а на поверхность напрессована гильза 12 из композиционного магнитоэлектропроводящего материала, которая является пусковой обмоткой. В пазы статора 2 обмотки 4 уложены короткозамкнутые витки 14, 15, 16 по одному на пару полюсов, которые служат для компенсации пульсирующих полей от магнитной несимметрии статора и неравномерности немагнитного рабочего зазора между ротором ...

УСТРОЙСТВО ДЛЯ ОПРЕССОВКИ ПАЗОВОЙ ЧАСТИ ОБМОТКИ РОТОРА СИНХРОННОЙ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Устройство для опрессовки пазовой части обмотки ротора синхронной электрической машины, в верхней части пазов которой имеется расширение трапецеидальной формы для установки клиньев, удерживающих обмотку ротора в пазу, содержащее опрессовочные болты и клинообразные планки, выполненные по форме и размерам трапецеидальной подклиновой части паза и устанавливаемые в паз на время опрессовки обмотки, отличающееся тем, что головка опрессовочного болта имеет форму клинообразной планки, резьбовая часть опрессовочного болта выступает из паза ротора с обмоткой и проходит через отверстие бруса ступенчатой формы, основание которого входит в паз ротора с обмоткой с обеих сторон головки опрессовочного болта для возможности передачи прессующего усилия на обмотку ротора с помощью гайки, навинчиваемой на выступающую над брусом резьбовую часть опрессовочного болта.

СПОСОБ УСТАНОВКИ ПОСТОЯННЫХ МАГНИТОВ В РОТОРЕ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение относится к области электротехники, а именно к способам изготовления электрических машин с постоянными магнитами. Технический результат изобретения, заключающийся в повышении надежности и увеличении срока службы электрической машины, достигается путем того, что при установке постоянных магнитов в роторе электрической машины в соответствии с заданным числом полюсов комплектуют необходимое количество постоянных магнитов, предназначенных для установки в роторе, измеряют магнитную характеристику каждого из постоянных магнитов, затем в соответствии с полярностью формируют первую и вторую группы постоянных магнитов, нумеруя постоянные магниты от единицы по нарастающей соответственно увеличению их магнитной характеристики в первой группе и уменьшению - во второй, начиная с минимальной и максимальной соответственно. 2 з.п. ф-лы.

ПЛАСТИНА РОТОРА

... 1. Пластина ротора, имеющая форму цилиндра, с отверстием для вала в центре пластины, с четным числом отверстий, размещенных по окружности для установки магнитов, имеющих в поперечном сечении прямоугольник, отличающаяся тем, что верхняя и нижняя стороны отверстия под магниты с расстояния, равного половине ширины вставляемого магнита, от центра симметрии самого магнита скошены так, что образуется отверстие, состоящее из трех элементов: прямоугольника по форме поперечного сечения магнита и двух примыкающих с боковых сторон треугольников, так, что между верхней скошенной стороной прямоугольника и примыкающей стороной треугольника образуется тупой угол, а между боковыми сторонами отверстий под разные магниты сохраняется перемычка.2. Пластина ротора по п.1, отличающаяся тем, что для соединения с валом ротора центральное отверстие имеет паз под шпонку.3. Пластина ротора по п.1, отличающаяся тем, что для соединения с валом ротора центральное отверстие имеет выступ.4. Пластина ротора по п.1, отличающаяся ...

СПОСОБ ИЗГОТОВЛЕНИЯ СИСТЕМЫ ЛОБОВОЙ ЧАСТИ ОБМОТКИ ДЛЯ ЭЛЕКТРИЧЕСКОЙ ВРАЩАЮЩЕЙСЯ МАШИНЫ

Изобретение относится к электротехнике. Технический результат заключается в упрощении изготовления системы лобовой части обмотки для электрической вращающейся машины. Способ изготовления системы (24) лобовой части обмотки для электрической вращающейся машины (2) по меньшей мере с одним изолирующим основным корпусом (26, 28), который по меньшей мере частично выполнен из диэлектрического материала. Многочисленные проводники (30) из металлического материала в каждом случае через по меньшей мере один промежуточный слой (36) соединены с изолирующим основным корпусом (26, 28). Слой (36) изготовлен из материала, который отличается от диэлектрического и металлического материалов, а именно изготовлен из серебра, алюминия, сурьмы, магния, олова, цинка, свинца, тантала, или из их смеси и/или по меньшей мере из одного их сплава. Проводники (30) напылены на промежуточный слой (36) первым способом термического напыления. Промежуточный слой (36) соединяют с изолирующим основным корпусом (26, 28) по меньшей ...

УСТАНОВКА ДЛЯ ЭЛЕКТРОТЕРМОВАКУУМНОГО ВОССТАНОВЛЕНИЯ И РЕМОНТА ИЗОЛЯЦИИ ЭЛЕКТРОТЕХНИЧЕСКИХ ИЗДЕЛИЙ

Изобретение относится к электротехнике, в частности к восстановлению и ремонту изоляции электротехнических изделий. Сущность изобретения: группы параллельных емкостей, связанных с атмосферой, соединены с вакуумным насосом через трубопроводы с запорными устройствами. Емкости выполнены в виде подключенных к вакуумному насосу через запорные устройства, в качестве которых использованы быстродействующие вакуумные задвижки, и ресивер первого автоклава и накопителя лака, второго автоклава и резервуара для водного раствора углекислого газа, соединенного с введенным в установку баллоном с углекислым газом. Верхние части первого автоклава, накопителя лака, второго автоклава, резервуара для водного раствора углекислого газа связаны через запорные устройства, в качестве которых использованы быстродействующие вакуумные задвижки, с атмосферой. Нижние части накопителя лака, резервуара для водного раствора углекислого газа связаны через запорные устройства с атмосферой. Нижние части первого автоклава, ...

СПОСОБ ЭКСПЛУАТАЦИОННОГО КОНТРОЛЯ НАГРЕВА И ЗАЩИТЫ ЭЛЕКТРОДВИГАТЕЛЕЙ

Изобретение относится к электротехнике и может быть использовано для контроля теплового состояния обмоток электродвигателей в процессе их эксплуатации в целях защиты от аварийных режимов. Технический результат, достигаемый настоящим изобретением, состоит в упрощении предлагаемого способа, а также в повышении точности контроля нагрева электродвигателей и надежности защиты обмоток электродвигателей от перегрева в эксплуатационных условиях. Кроме того, предлагаемый способ обеспечивает возможность автономного использования и исключения вмешательства в конструкцию электродвигателя (в заводских условиях при изготовлении или при эксплуатации) для установки или замены вышедших из строя термодатчиков, встраиваемых в лобовые части обмоток статора электродвигателя. Указанный технический результат достигается тем, что при осуществлении предлагаемого способа датчик температуры помещают в полый болт с резьбой, который ввинчивают в гнездо рым-болта корпуса электродвигателя, при этом места контакта полого ...

УСТРОЙСТВО ДЛЯ ИЗВЛЕЧЕНИЯ ОБМОТКИ ИЗ ПАЗОВ СТАТОРА

Использование: при ремонте электрических машин. Сущность изобретения: устройство для извлечения обмотки из пазов статора содержит механизм 1 центрирования статора, включающий стакан 10, механизм 2 вытяжения обмотки, включающий гидроцилиндр 3 со штоком, платформу 4 и захваты 15, и механизм 17 возврата захватов. Стакан 10 размещен на штоке гидроцилиндра с возможностью перемещения вдоль него, а захваты установлены внутри стакана радиально ему. 8 ил.

УСТРОЙСТВО КОНТРОЛЯ СОПРОТИВЛЕНИЯ ИЗОЛЯЦИИ И СУШКИ ОБМОТОК ЭЛЕКТРОДВИГАТЕЛЯ

Изобретение относится к области электротехники, предназначено для контроля сопротивления изоляции обмоток электродвигателя и сушки его обмоток токами нулевой последовательности при снижении сопротивления ниже заданного уровня. Технический результат, достигаемый при использовании данного изобретения, состоит в увеличении ресурса электродвигателя и сокращении времени его простоев за счет обеспечения контроля сопротивления изоляции и своевременной сушки обмоток электродвигателя благодаря использованию в предлагаемом устройстве дифференциального трансформатора тока нулевой последовательности, выполненного с дополнительными катушками для повышения чувствительности при регистрации токов утечки во время сушки, а также усилителя, дополнительного электромагнитного исполнительного органа и конденсаторов. Дополнительный электромагнитный исполнительный орган подключает обмотки электродвигателя при снижении сопротивления токам утечки ниже заданного уровня к указанным конденсаторам и отключает их после ...

СПОСОБ ЗАПРЕССОВКИ ВАЛА В ПАКЕТ ЛИСТОВ РОТОРА ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение относится к электротехнике, а именно к способу запрессовки вала в пакет листов ротора электрической машины. Способ запрессовки вала в пакет листов ротора электрической машины включает рифление поверхности вала в зоне расположения на нем ротора и холодную посадку. Новым является то, что рифли образуют на участке вала длиной, составляющей 0,8 - 0,9 длины ротора, причем каждую рифлю выполняют в виде системы, содержащей не менее чем одну выемку и один выступ, по крайней мере с одной объединенной в одну плоскость, или криволинейную, или комбинированную поверхность, гранью, и по крайней мере двумя примыкающими к ней гранями, одна из которых принадлежит выемке, а другая - выступу, причем расстояние между принадлежащими только выемкам обращенными друг к другу гранями смежных рифлей составляет 0,1-0,8 диаметра вала, а расстояние между объединенными обращенными друг к другу гранями выступа-выемки смежных рифлей - 0,95-0,3 диаметра вала. Технический результат, обеспечиваемый изобретением ...

СПОСОБ ИЗГОТОВЛЕНИЯ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение может быть использовано при изготовлении электрических машин, преимущественно асинхронных двигателей. Способ изготовления электрической машины включает изготовление составляющих ее деталей и узлов. Нагрев станины производят путем размещения ее в центрирующем приспособлении, установленном на верхнем ярусе двухъярусного стола установки индукционного нагрева с использованием разъемного магнитопровода индуктора, длина каждой ветви верхней подвижной части магнитопровода которого больше длины соосной ей ветви нижней части магнитопровода. После чего станину напрессовывают на пакет листов статора, затем собранный узел статора охлаждают, нагревают подшипники и напрессовывают их на шейки вала, после чего ротор с напрессованными подшипниками вставляют в собранный узел статора, затем надевают подшипниковые щиты, в один из которых предварительно вставляют волнистую пружину, производят запрессовку подшипниковых щитов на прессе и прикрепляют подшипниковые щиты к станине, а затем собранную ...

СПОСОБ ПРОПИТКИ ОБМОТОК ЭЛЕКТРИЧЕСКИХ МАШИН

Изобретение относится к электротехнике, а именно к вакуумно-нагнетательным способам пропитки обмоток электрических машин с предварительным нагревом обмоток статора. При этом герметизируют внутреннюю полость станины статора, создают внутри полости разрежение над верхней не погруженной в пропиточный состав лобовой частью обмотки 40-50 Торр. Предварительную сушку обмотки производят пропусканием электрического тока с контролем процесса разогрева. При достижении температуры обмотки значения 40-50°C выдерживают указанную температуру в течение 5-10 минут с последующим отключением тока от обмотки. Пропиточная смесь состоит из лака и мелкодисперсного ферромагнитного наполнителя в массовом соотношении (20-30) % ферромагнитных частиц и (80-70) % пропиточного лака. По завершении пропитки разгерметизируют станину статора и сливают лак. Затем сосуд вновь герметизируют, создают разрежение 40-50 Торр и пропускают электрический ток той же величины, что и при предварительной сушке. При достижении температуры ...

СПОСОБ ИЗГОТОВЛЕНИЯ ЯКОРЯ ДЛЯ ЭЛЕКТРОМАГНИТНОГО ПРЕОБРАЗОВАТЕЛЯ (ВАРИАНТЫ)

Изобретение относится к электротехнике и касается особенностей изготовления якоря для электромагнитного преобразователя. Сущность: изготовление множества продолговатых прессованных магнитопроводных элементов с высокой магнитной проницаемостью и n-го количества пучков проводов, каждый из которых имеет заданную длину. При этом n-е количество пучков проводов наматывают таким образом, чтобы получить распределенную обмотку, имеющую множество открытых продолговатых полостей, в которые затем вставляют магнитопроводные элементы. В каждый открытой продолговатой полости должен находиться по меньшей мере один магнитопроводный элемент для получения узла обмотки в сборе с последними. Соединение участки обмотки соединяют друг с другом посредством торцевых витков проводов и наносят неэлектропроводное связующее на упомянутый узел для получения жесткой конструкции. Изобретение обеспечивает возможность работы такого якоря непрерывно с большими удельными мощностями, снижение вихревых токов и и оптимальную ...

ЭЛЕКТРИЧЕСКАЯ МАШИНА

Изобретение относится к электротехнике и электромашиностроению и может быть применено преимущественно при проектировании генераторов. Технической задачей создания данного изобретения является повышение надежности работы электрической машины при большом диапазоне изменения давления и температуры окружающей среды. Электрическая машина содержит устройство для ее крепления, ротор с корпусом статора, подшипники, уплотнение устройства и полость между ротором и статором, заполненную смазывающей жидкостью. Согласно изобретению уплотняющее устройство, размещенное со стороны устройства для крепления, выполнено в виде поршня, установленного с возможностью осевого перемещения, и торцового уплотнения, содержащего два контактных кольца, одно из которых подвижно в осевом направлении, при этом неподвижное контактное в осевом направлении кольцо выполнено за одно с втулкой, по которой перемещается поршень. 3 з.п. ф-лы, 4 ил.

АВТОМАТИЧЕСКИЙ СПОСОБ ПОВЫШЕННОЙ ТОЧНОСТИ КОНТРОЛЯ КАЧЕСТВА ЭЛЕКТРОДВИГАТЕЛЯ

Использование: в устройствах для испытания электродвигателей. Сущность изобретения: в автоматическом способе повышенной точности контроля качества электродвигателя в период разгона его ротора измеряют круговую частоту вращения электродвигателя в функции времени t ω =f(t) в течение фиксированного промежутка времени. По измеренным данным, введенным в ЭВМ в цифровой форме, определяют в ЭВМ динамическую механическую характеристику w =f(M). При выходе полученной характеристики за границы введенных в память ЭВМ отклонений значений этой характеристики от эталонных значений производят выбраковку электродвигателя. В результате сокращается время испытаний электродвигателей и увеличивается выход готовых электродвигателей. 3 ил.

СПОСОБ ДИАГНОСТИКИ СОСТОЯНИЯ ПОСАДОЧНЫХ НАТЯГОВ БАНДАЖНЫХ КОЛЕЦ НА БОЧКУ РОТОРА ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение относится к области электротехники, а именно к технологии электромашиностроения, и касается, в частности, особенностей контроля величин посадочных натягов бандажных колец роторов крупных электрических машин, например турбогенераторов. Техническим результатом, на достижение которого направлено данное изобретение, является обеспечение диагностики состояния посадочных натягов в бандажном узле без его разборки при одновременном повышении точности измерений. Указанный технический результат достигается тем, что оценку состояния и изменения посадочного натяга (Δδбанд.) определяется из выражения: (Δδбанд.)=КД(Dнар.кон. -Dнар.нач.), где: Dнар.нач. и Dнар.кон. - наружные диаметры бандажных колец в зоне посадки, измеренные, соответственно, при проведении дублирующего контроля после посадки бандажных колец и в период планового останова электрической машины; Кд=δбанд./(Dнар.нач.-Dнар.своб.) - экспериментальный коэффициент деформации, где Dнар.нач. и Dнар.своб. - соответственно, наружные ...

СПОСОБ РЕМОНТА ОБМОТОК ЭЛЕКТРИЧЕСКИХ МАШИН

Способ ремонта обмоток электрических машин относится к технологии ремонта электрических машин со стержневыми обмотками и может быть использован в электротехнике. Цель изобретения - сокращение времени ремонта электрических машин, упрощение технологии подготовки и лужения обмоток, улучшение качества ремонта. Способ ремонта обмоток электрических машин включает в себя лужение выводных концов обмоток припоем ПОС - 30 погружением их сначала в ванну с кислотным флюсом, а затем в ванну с припоем. После лужения обмотки промываются в воде и подвергаются сушке. При необходимости погружение в кислотный флюс проводят повторно 1 - 2 раза.

СПОСОБ ДИАГНОСТИРОВАНИЯ ЭЛЕКТРООБОРУДОВАНИЯ

Способ диагностирования электрооборудования, например электродвигателей, размещенных в неразборных корпусах, заключающийся в сравнении "портретов" внешних электромагнитных полей: исходного и полученного в процессе эксплуатации, отличающийся тем, что техническое состояние работающего электродвигателя определяют непосредственно по "портрету" внешнего низкочастотного электромагнитного поля, при этом сигнал, индуцируемый под действием магнитной напряженности в катушке измерительного элемента, размещенного, например, в зоне лобовых частей обмотки статора электродвигателя, после его преобразования и регистрации сравнивают с исходными величинами внешнего поля, хранящимися в банке данных и соответствующих различным режимам работы электродвигателя, а при появлении различий между реальным и исходным "портретами", превышающих допустимые, параметры рассогласования поступают на ЭВМ через блок информации для принятия решения оператором по дальнейшей эксплуатации электродвигателя.

СПОСОБ КОНТРОЛЯ ИЗОЛЯЦИИ ЛОБОВЫХ ЧАСТЕЙ И СОЕДИНИТЕЛЬНЫХ ШИН ОБМОТОК ГЕНЕРАТОРОВ

Способ контроля изоляции лобовых и соединительных шин обмоток генераторов, основанный на испытании локальных участков изоляции повышенным выпрямленным напряжением отличающийся тем, что медь обмотки заземляют, а высокое напряжение прикладывают с помощью специального электрода и прижимают с помощью этой штанги к поверхности испытуемого участка изоляции, измеряют ток утечки через контролируемую зону изоляции и падение напряжения, вызванное этим током, на основании чего делают заключение о работоспособности этого участка изоляции.

СПОСОБ ИЗВЛЕЧЕНИЯ ОБМОТКИ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ ИЛИ ЕЕ ЧАСТИ

... 1. Способ удаления обмотки электрической машины или ее части, заключающийся в том, что обрезают лобовые части с одной стороны подлежащей удалению обмотки, нагревают расположенную в пазах обмотку или ее часть, подлежащую удалению, токами высокой частоты путем размещения вблизи нее индуктора, подключенного к источнику тока высокой частоты, и после нагрева извлекают ее из пазов путем приложения вытягивающего усилия к лобовым частям, находящимся с другой стороны обмотки. ! 2. Способ удаления обмотки электрической машины или ее части по п.1, отличающийся тем, что индуктор размещают внутри статора электрической машины. ! 3. Способ удаления обмотки электрической машины или ее части по п.1, отличающийся тем, что ротор или якорь электрической машины располагают внутри полого индуктора. ! 4. Способ удаления обмотки электрической машины или ее части по п.1, отличающийся тем, что для крупных электрических машин с жесткими секциями индуктор размещают вблизи извлекаемых секций обмотки электрической машины ...

УСТРОЙСТВО ДЛЯ ОЦЕНКИ СОСТОЯНИЯ МЕЖЛИСТОВОЙ ИЗОЛЯЦИИ ПАКЕТА СТАЛИ СТАТОРА ЭЛЕКТРОДВИГАТЕЛЯ

Изобретение относится к области электротехники и может быть использовано для оценки состояния межлистовой изоляции пакета стали статора электродвигателя на промышленных предприятиях, электроремонтных предприятиях и цехах по ремонту электрооборудования. Сущность изобретения состоит в следующем. Устройство содержит приспособление (1) для сжатия пластин пакета стали и прижатия к ним измерительных электродов, выполненных в виде игольчатых контактов (2, 3). Приспособление (1) включает несущий стержень (4) с резьбой по всей длине, заканчивающийся с одной стороны шляпкой (5), а с другой квадратной шейкой (6) с центральным резьбовым отверстием для крепления барашка (7) с помощью винта (8), на который нанизаны прижимные пластины (9) и (10), каждая из которых снабжена игольчатым контактом (2) или (3), к которым подключены соединительные провода (11), (12). Прижимные пластины выполнены из металла и являются жесткими. Прижимная пластина (9) имеет отверстие (13) без резьбы и зафиксирована на несущем ...

ДАТЧИК ДЛЯ КОНТРОЛЯ ИЗОЛЯЦИИ ЛИСТОВ ШИХТОВАННЫХ СЕРДЕЧНИКОВ ЭЛЕКТРИЧЕСКИХ МАШИН

Изобретение относится к области электротехники и предназначено для диагностики и контроля состояния изоляции между листами электротехнической стали сердечников статоров электрических машин переменного тока. Технический результат состоит в том, что предлагаемое устройство позволяет обеспечить простое и надежное выявление дефектов изоляции между листами сердечника вне зависимости от места расположения повреждений. Сущность изобретения заключается в следующем. Устройство для контроля изоляции листов шихтованных сердечников электрических машин представляет собой датчик в виде ферромагнитного сердечника с чувствительными элементами. При этом согласно изобретению часть или все чувствительные элементы расположены на сканирующих поверхностях сердечника. 4 ил.

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... 1. Способ диагностики состояния натягов бандажных колец на составные части ротора электрической машины, содержащий бочку ротора с зубцам и пазами, в которых уложена обмотка, закрепленная пазовыми клиньями, и центрирующее кольцо, включающий оценку изменения натягов в местах посадки бандажных колец путем сравнительного измерения разности наружных непосадочных диаметров бандажного кольца в этих местах до пуска турбогенератора в эксплуатацию и в процессе эксплуатации во время его последующих остановов, отличающийся тем, что оценку изменения натягов в местах посадки бандажных колец осуществляют путем сравнительного измерения радиальных расстояний между наружной поверхностью бочки ротора в его концевой части и наружной кольцевой поверхностью (окружностью) бандажного кольца, зафиксированной в пределах длины посадки, а об изменении посадочного натяга судят по величине разности этих радиальных расстояний. 2. Способ по п.1, отличающийся тем, что оценку изменения натягов в местах посадки бандажных ...

СПОСОБ ДИАГНОСТИРОВАНИЯ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Способ диагностирования и управления электрической машиной, заключающийся в том, что измеряется ЭДС, возникающая при движении электрической машины по инерции при отключенном питающем напряжении, контролером определяется техническое состояние электрической машины по величине ЭДС и принимается решение по дальнейшей эксплуатации электрической машины.

СПОСОБ РЕМОНТА И МОДЕРНИЗАЦИИ РОТОРОВ ЭЛЕКТРИЧЕСКИХ МАШИН ПЕРЕМЕННОГО ТОКА

Изобретение относится к электротехнике и может быть использовано при восстановлении вышедших из строя роторов асинхронных двигателей. Цель: упрощение технологии восстановления роторов, повышение надежности с одновременным улучшением эксплуатационных характеристик электрической машины после восстановления. Это достигается тем, что ротор 1 обтачивают на токарном станке 2 на глубину полного удаления "беличьей клетки" 3 вместе с зубцовым слоем, а на оставшуюся часть ротора насаживают предварительно нагретую (в прямой зависимости от мощности машины) до 300 - 350oС гильзу, выполненную из материала с электромагнитными свойствами, объединяющими функции токо- и магнитопровода, например из железно-медного сплава, выдерживают в течение времени, необходимого для полного остывания ротора с гильзой, затем к торцам гильзы приваривают или припаивают медью медные короткозамыкающие кольца. Геометрические размеры гильзы и колец определяют расчетом. Данный способ обеспечивает стопроцентный возврат в эксплуатацию ...

СПОСОБ ИЗМЕРЕНИЯ БИЕНИЯ И ОВАЛЬНОСТИ КОЛЛЕКТОРА ЭЛЕКТРИЧЕСКИХ МАШИН

Способ измерения биения и овальности коллектора электрических машин, имеющего N пластин, заключающийся в том, что измерения осуществляют при повороте якоря на заданный угол индицирующей частью измерителя относительно базовой поверхности якоря, отличающийся тем, что якорь вращают с постоянной угловой частотой, а в качестве индицирующей части измерителя применяют металлическую пластину, которая образует при вращении вала последовательно с каждой из N контактных пластин коллектора измеритель-конденсатор, при этом индицирующую пластину базируют относительно базовой поверхности якоря электрической машины, к пластинам коллектора и к индицирующей пластине через щетки подводят синусоидальное напряжение с постоянной амплитудой и частотой согласно формуле: ! ! где ω - угловая скорость вращения якоря; ! N - количество контактных пластин коллектора; ! а ток, протекающий через измеритель-конденсатор, модулируют по амплитуде пропорционально зазору между индицирующей пластиной и пластинами N коллектора ...

СПОСОБ ИЗГОТОВЛЕНИЯ ОБМОТКИ СТАТОРА ПОГРУЖНОЙ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Способ изготовления обмотки погружаемой электрической машины заключается в том, что в пазы вставляют спицы, а затем обмоточным проводом их выталкивают и протягивают провод, предварительно выложив пазы полимерной пленкой. Благодаря тому, что вначале выкладывают пленкой два паза одной катушки, после чего производят выкладку фторлакотканью последующие пазы, обеспечивается достижением цели. 1 табл. 2 ил.

СТАТОР ВРАЩАЮЩЕЙСЯ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ И СПОСОБ ИЗГОТОВЛЕНИЯ КАТУШКИ СТАТОРА

Изобретение относится к электротехнике. Технический результат состоит в упрощении изготовления. Статор вращающейся электрической машины содержит сердечник и катушку, которая наматывается вокруг сердечника. Катушка статора включает в себя первую сегментную катушку, вторую сегментную катушку и первый соединительный элемент, который имеет первый посадочный утопленный участок на первом конце первого соединительного элемента и второй посадочный утопленный участок на втором конце первого соединительного элемента. Первый соединительный элемент соединяет первую и вторую сегментные катушки посредством посадки первой сегментной катушки в первый посадочный утопленный участок и посредством посадки второй сегментной катушки во второй посадочный утопленный участок. 4 н. и 12 з.п. ф-лы, 14 ил.

РАСПИРАЕМАЯ ПАЗОВАЯ КРЫШКА ДЛЯ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ

Изобретение относится к области электротехники и касается устройства для закрытия паза статора или ротора электрической машины. Технический результат – повышение технологичности. Устройство для закрытия паза статора или ротора электрической машины включает закрывающий элемент, содержащий ферромагнитный материал и имеющий в направлении продольной протяженности закрывающего элемента область предполагаемого изгиба, посредством которой соединены две области полок, расположенные под тупым углом меньше 180° друг к другу. При этом на соответствующих краях областей полок расположено по клейкому слою. Указанный клейкий слой предназначен для отверждения при разогреве. 3 н. и 12 з.п. ф-лы, 4 ил.

УСТРОЙСТВО ДЛЯ СУШКИ СИЛОВЫХ ТРАНСФОРМАТОРОВ В ПОЛЕВЫХ УСЛОВИЯХ СЕЛЬСКИХ ЭЛЕКТРИЧЕСКИХ СЕТЕЙ

Изобретение относится к электротехнике и может быть использовано для интенсивной сушки изоляции обмоток и масла, повышающих их сопротивление при эксплуатации силовых трансформаторов (СТ) в полевых условиях сельских электрических сетей. Устройство для сушки силовых трансформаторов в полевых условиях содержит трехфазный автономный мостовой инвертор с электронными ключами на базе биполярных транзисторов с изолированным затвором (БТИЗ), соединенных последовательно и попарно между собой с общими точками для подключения нагрузки, а своими затворами с блоком управления инвертором (БУИ), имеющим задатчик частоты тока инвертора, коллекторы нечетных (БТИЗ) соединены вместе и с положительным выводом тиристорного регулятора-стабилизатора напряжения постоянного тока, эмиттеры четных (БТИЗ) соединены вместе и с отрицательным выводом тиристорного регулятора-стабилизатора напряжения постоянного тока, конденсатор фильтра и резисторный делитель напряжения соединены параллельно между собой и с выходом регулятора-стабилизатора ...

СТАНЦИЯ ДЛЯ ИСПЫТАНИЯ ЭЛЕКТРИЧЕСКИХ ДВИГАТЕЛЕЙ

Изобретение относится к области электротехники и может быть использовано в тяговых электродвигателях электроподвижного состава. Технический результат заключается в повышении энергетических показателей за счет повышения значения коэффициента мощности путем улучшения формы сетевого тока и приближения его фазы к сетевому напряжению при существенном снижении энергопотребления. Станция для испытания электрических двигателей содержит трансформатор, управляемый выпрямитель, инвертор, двигатель, генератор, первый и второй сглаживающие реакторы, соединительный вал, датчик напряжения, первый и второй датчики тока, устройство вычисления входного активного тока, первый и второй элементы сравнения. ПИ-регулятор, широтно-импульсный модулятор, автономный инвертор напряжения и источник реактивной мощности в виде конденсатора. Использование станции для испытания электрических двигателей позволяет увеличить значение коэффициента мощности до 0, 994, а при испытании, например, электрического двигателя НБ418 ...

СПОСОБ ДИНАМИЧЕСКОГО КОНТРОЛЯ ВНУТРЕННИХ ПАРАМЕТРОВ СИСТЕМ ЭЛЕКТРОДВИГАТЕЛЯ

... 1. Способ измерения и динамического контроля систем электродвигателя, состоящий в том, что используют по меньшей мере одну из частей системы электродвигателя, выбранную из статора и ротора и соединенную с электрическим проводом, подсоединяют по меньшей мере одно средство измерения данных из волоконно-оптического кабеля и/или датчика к электрическому проводу, собирают данные при помощи этого средства и передают их на узел сбора данных, отличающийся тем, что используют электродвигатель типа электродвигателя для скважинного погружного насоса, предназначенного для перекачки разных видов углеводородной текучей среды, собирающейся в скважине, при этом волоконно-оптический кабель снабжают датчиками физических параметров двигателя и заделывают его в электроизоляционное покрытие, окружающее по меньшей мере один провод обмоток электродвигателя. 2. Способ по п.1, отличающийся тем, что волоконно-оптический кабель оборачивают вокруг упомянутого электрического провода. 3. Способ по п.2, отличающийся ...

ОПОРНО-УПОРНЫЙ ПОДШИПНИК СКОЛЬЖЕНИЯ НА НЕПРИВОДНОМ КОНЦЕ ВАЛА АСИНХРОННОЙ МАШИНЫ ВЕТОХИНА ДЛЯ НЕФТЕГАЗОВЫХ СКВАЖИН (АМВ НГС)

Асинхронная машина АМВ НГС вертикального исполнения с приводным концом вала вверх или вниз, содержащая многопакетные статор и винтоканавочный ротор с монолитным валом, подшипники, протекторную защиту активных частей в виде втулок и колец из алюминиево-магниево-цинкового сплава, заключенными в корпус с отверстиями для входа и выхода окружающей пластовой воды для охлаждения, отличающаяся тем, что на неприводном конце вала выполнен опорно-упорный подшипник скольжения, состоящий из подшипникового щита, вставленного под замки в корпус и закрепленного симметрично расположенными относительно друг друга винтами с потайной головкой с внешней стороны корпуса, при этом в цилиндрическое углубление подшипникового щита запрессован втугую вкладыш подшипника из высокоплотного антифрикционного порошкового материала (металлокерамики), который является неподвижной частью подшипника и имеющего опорную и упорную скользящие поверхности, а на конец вала напрессован по горячей посадке упорный стакан с буртиком ...

СТАТОР ЭЛЕКТРОДВИГАТЕЛЯ И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

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Изобретение относится к электромашиностроению и может быть использовано дляконтроля качества магнитопроводов в процессе производства микродвигателей и демпфирующих тахогейераторов. Цель изобретения - повышение достоверности контроля. Способ предусматривает установку пакета испытуемого магнитопровода статора на каркас, на котором размещены жесткие секции обмоток, соответствующие обмоткам статора реальной машины. Внутрь каркаса с обмотками устанавливают технологический ротор, соответствующий типу ротора реальной машины. Затем подают напряжение питания в секции обмоток и измеряют выходные параметры собранной машины. 2 ил..^^.^ ...

Устройство для удаления пыли из статора электрической машины

Устройство для проверки роторов коллекторных электрических машин

Способ испытания турбогенератора

Устройство для выравнивания листов в пазах сердечника статора электрической машины

Изобретение относится к области электротехники и может быть использовано при ремонте сердечников статоров электрических машин. Цель изобретения - повышение качества изделия путем выравнивания деформированных пакетов стали в пазах сердечника статора и обеспечение удобства и безопасности при работе. Достигается это тем, что стальные прутковые элементы 1, соединенные с пластинами 2, вводятся с торцов в противоположные пазы 7 сердечника 8 статора, требующие ремонта. Вращением гайки 6 производится стягивание стальных прутков 1, которые выравнивают смещенные в тангенциальном направлении листы в пазах 7 сердечника 8 статора электрической машины. 2 з.п. ф-лы, 4 ил.

Способ изготовления якоря электрической машины малой мощности

Устройство для испытания синхронных машин

Устройство для контроля и сигнализации замыкания на корпус обмотки ротора синхронного генератора

Конвейер для разборки тяговых электродвигателей

Способ изготовления статора электрической машины

Изобретение относится к технологии изготовления электрических машин и может быть использовано в электро- технической промьштенности. Цель изобретения - упрощение процесса изготовления и расширение технологических возможностей. На сборку подают сердечник магнитопровода 1 и вальцованную трубу 2 с двумя приваренными вдоль стыка ребрами 3. Трубу 2 надевают на сердечник 1 и за ребра 3 стягивают ее стык, прилагая к ребрам 3 усилие Р. Затем заваривают стык с помощью сварочной головки 4. Сварной шов соединяет стык трубы с сердечником . После этого снимают усилие Р и производят приварку остальных продольных ребер охлазвдения. 4 . с (Л ...

Способ тепловой диагностики электрической машины

СПОСОБ ТЕПЛОВОЙ ДИАГНОСТИКИ ЭЛЕКТРИЧЕСКОЙ МАШИНЫ, включающий пропускание через ее обмотку электрического тока, контроль тепловых параметров отклика на это воздействие и сравнение их с эталонными, отличающийся тем, что, с целью повышения достоверности оценки технического состояния и сокращения времени диагностики путем идентификации повреждений в элементах машины, одновременно с пропусканием тока измеряют время адиабатического нагрева обмотки, после чего дополнительно контролируют скорость ее нагрева на участке выхода на установившийся режим.

Устройство для контроля работы асинхронного двигателя

Способ испытания электрических двигателей постоянного тока

Способ сборки электрической машины

Изобретение относится к технологии изготовления электрических машин , в частности к изготовлению коллекторных электрических машин с двойной изоляцией, и может быть использовано в рудных механизированных инструментах. Цель изобретения - обеспечение механизации сборки электрической машины с выводами обмотки статора , проходящими через отверстия в торцовой стенке корпуса. Пластмассовый корпус 1 устанавливают в приспособление для центрирования его относительно оси 7, перемещают корпус 1 вдоль оси приспособления, а статор 6 центрируют в приспособлении. Через отверстия в корпусе вводят цанговые захваты 8. Выводы 4 обмотки 5 ста то- ров фиксируют в захватах, располагая их параллельно оси 7. Перемещают корпус в сторону статора, осуществляя сборку. Выводы 4 проходят через отверстия корпуса. Вертикальное расположение корпуса и стопора, натяг выводов 4 параллельно оси 7 исключает провисание выводов, их изгиб и попадание между торцом стопора и боковой стенкой корпуса. 9 ил. J, /i jftjriar / f 15 (Л ...

Устройство для испытания щеток электрических машин

Электрическая машина с измерителем момента

Изобретение отиосится к электротехнике . Цель изобретения - повышение надежности электрической машины путем разгрузки торсиоиа от радиальных сил и изгибающих моментов. Электрическая машина со встроенным измерителем момента содержит якорь 1, зафиксированный шайбой 3 с помощью игольчатых подшипников на долом валу-втулке 2, Вал-втулка 2 установлен концентрично дополнительному валу-втулке 5, выполненному со шлицами, в зацепление с которыми входит шлицевая головка торсиона 6, Вторая головка торсиона 6 с помощью шлицевого соединения зафиксирована в валу-втулке 2. На передней части дополнительно вала-втулки 5 установлен индуктивный дифференциальный преобразователь угла закручивания торсиона в электрический сигнал. Преобразователь угла выполнен в виде цилиндрического магнитопровода 10 с подвижным сердечником 11, установленным на шейке вала-втулки 5 и тороидального сердечника 12 с обмотками 13. Устройство позволяет непрерьшно измерять вращающий момент,в диапазоне от холостого хода до предельно допустимой ...

СПОСОБ КОНТРОЛЯ КАЧЕСТВА СТЫКОВЫХ СОЕДИНЕНИЙ СЕРДЕЧНИКА СТАТОРА ГИДРОГЕНЕРАТОРА

Способ изготоаления статора электрического двигателя

Способ косвенного испытания асинхронных двигателей на нагрев

Дефектоскоп для контроля беличьей клетки роторов электродвигателей

Прибор для объективной оценки коммутации электрических машин

CПOCOБ CБOPKИ ЭЛEKTPИЧECKOЙ MAШИHЫ

Способ удаления корпусной изоляции с катушек электрических машин

Способ изготовления пакета зубцовой зоны с закрытыми пазами составного статора электрической машины

Прибор для снятия внешних характеристик электрических шаговых двигателей

Устройство для испытания тяговых двигателей постоянного тока

Устройство для поворота статора к бандажировочному станку

DEVICE FOR ASSEMBLY AND DISASSEMBLY OF ELECTRIC MACHINE

DEVICE FOR DETECTING TURN-TO-TURN SHORT CIRCUIT AND OPEN CIRCUIT IN MICROMOTOR ROTOR COIL

Устройство для перфорации

Устройство для регистрации угла в синхронных электрических машин

Статор высоковольтной электрической машины

Сущность изобретения: датчик системы контроля размещен на измерительной площадке безопасности, впрессованной с внешней стороны изоляции контролируемого участка обмотки, Площадка включает в себя электрод (5) из металлической фольги, повторяющий конфигурацию основания датчика, и противокоронное покрытие из полупроводящей эмали (4). Оно выходит за пределы электрода по всему его периметру в виде пояска шириной, зависящей от номинального напряжения машины. Его удельное сопротивление увеличивается по мере удаления от края электрода. Электрод и один из выводов датчиков соединены заземляющим проводом (6) с заземленным корпусом статора электрической машины. Датчик своим основанием плотно прилегает к электроду и прикреплен к обмотке с помощью изоляционного бандажа. 3 ил. ( хэ с/ С :ъ оо д 4 Ю п Фиг 1 ...

Способ исследования искрения между щетками и коллектором

Устройство для кантования статора электрической машины

Изобретение позволяет повысить производительность труда при кантовании статора электрической машины. Устройство содержит платформу 1, установленную на ней стойку 5 с поворотнь м диском 13, размещенные на нем направляющие элементы 15 с механизмом 16 перемещения держателя (Д) 17 статора (С) 18. Д 17 выполнен в виде полого стержня с резьбой на внутренней и двумя упорами на наружной поверхностях. Механизм 16 перемещения содержит ползун (П) 21, установленньш в направляющих, стержнях 22, имеющих выемки 23 для размещения упора Д 17, расположенный внутри П 21 ходовой винт 24, связанный резьбовым соединением с Д 17, подпружиненный фиксатор, установленный на П 21. После остановки плат-f формы в зоне размещения С 18 ходовому винту 24 сообщается вращение, при этом упоры Д 17, опираясь на направляющие стержни 22, удерживают Д 17 от вращения и они вместе с П 21 совершают поступательное дви-г- жениё. Д 17 вдвигается в отверстие С 18, упоры входят в выемки 23 направляющих стержней 22 и движение Л-А «-.

Стенд для диагностирования автотракторного синхронного генератора переменного тока

Изобретение относится к электромашиностроению . Цель изобретения состоит в повьшении точности диагностирования . Стенд для диагностирования автотракторного синхронного генерато- ра переменного тока содержит электропривод и узел крепления генератора, включающий горизонтальную лпиту для установки генератора и рукоятку контактного блока для электрического подкпючения. Благодаря тому, что к плите прикреплена направлякщая скоба 17 с нагрузочным блоком 16, взаимодействуюрщм с эксцентричным кулачком 14, обеспечивается достижение поставленной цели. 1 з„п,ф-лы, 3 ил. о « ...

Способ диагностирования подшипников электрической машины

Изобретение относится к области электротехники. Цель изобретения - повьшение достоверности диагностирования . Сущность способа заключается в том, что электрическую машину отключают от питающей сети и подключа- , ют на согласованную нагрузку. На нагрузке в режиме выбега вьделяют спектр пульсаций тока электрической машины. Параметры спектра пульсаций измеряют с помощью следящего анализатора .

Устройство для испытаний обмоток короткозамкнутых роторов

Изобретение относится к контрольно-измерительной технике и может быть использовано для испытаний обмоток короткозамкнутых роторов. Цель изобретения - расширение функциональных возможностей устройства, для чего в него введены регулируемый источник 17 постоянного тока, милливольтметр 19 и амперметр 18, а на магнитопровод индуктивного датчика 5 намотана компенсационная обмотка 16. Устройство содержит также узлы 3 для подключения к объекту испытаний, источники 1,20 постоянного и переменного токов соответственно, индуктивный датчик 5 с рабочей обмоткой 6, датчик 7 тока, усилители 8,9, выпрямители 10,11, фильтры 12,13, блок 14 сравнения, индикатор 15, испытуемый стержень 2, испытуемый ротор 4. 1 ил.

Пазовая часть электродвигателя

1. Пазовая часть электродвигателя с постоянными магнитами, образующая ротор или статор двигателя, отличающаяся тем, что пазы (3) перекрыты по меньшей мере на отдельном участке их длины элементами в виде перемычки (4) из магнитного материала, причем эти элементы в виде перемычки закреплены на зубьях (2), ограничивающих каждый паз, и выполнены с возможностью обеспечения частичного магнитного запирания на участке между двумя зубьями.2. Пазовая часть по п.1, отличающаяся тем, что пазы (3) перекрыты, предпочтительно, полностью по всей длине указанными элементами (4).3. Пазовая часть по п.1, отличающаяся тем, что она образована пакетом листов, и что элементы в виде перемычки (4) также образованы пакетом листов (5), причем плоскости каждого из листов, образующих элементы в виде перемычки (4), располагаются параллельно плоскостям листов пазовой части.4. Пазовая часть по п.3, отличающаяся тем, что размер элементов в виде перемычки (4) - в продольном направлении зубьев - высота (Н) пакетов листов (5), образующих указанные элементы, составляет величину, превышающую толщину листов (5) от 2 до 5 раз.5. Пазовая часть по п.3 или 4, отличающаяся тем, что листы (5) элементов в виде перемычки (4) слегка изогнуты наружу и снабжены на своих концах профильными выступами (6) и что на концах профилей зубьев (2) листов указанной части, ограничивающих пазы (3), предусмотрены выемки (8), форма которых совместима с формой выступов (6) элементов в виде перемычки, и внутри которых фиксируются указанные элементы в виде перемычки (4).6. Пазовая часть по любому из пп.3-5, отличающаяся тем, что листы (5) элементов в виде перемычки (4) содержат полученные при штамповке отверстия (7), располож И 1 13522 ко (19) (11) 45 ка 03 РО ^ х% 5 У ра 0 и (51) МПК НО2К 1/00 (2000.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ (21), (22) Заявка: 99105926/20, 26.03.1999 (71) Заявитель(и): Мавилор Систем СА (СН) (24) Дата начала отсчета срока действия патента: ...

MOTOR POWER DISTRIBUTION APPARATUS

A motor power distribution apparatus includes first insulating holders and second insulating holders. The first insulating holders are disposed to retain every other one of a plurality of stacked power distribution members that are unified by insert molding. The second insulating holders are disposed to retain power distribution members other than the power distribution members retained by the first insulating holders. 1. A motor power distribution apparatus comprising:first insulating holders that are disposed to retain every other one of a plurality of stacked power distribution members of a motor that are unified by insert molding; andsecond insulating holders that are disposed to retain power distribution members other than the power distribution members retained by the first insulating holders.2. The motor power distribution apparatus according to claim 1 , whereinthe plurality of stacked power distribution members include three bus bars which distribute current to winding wires of a stator corresponding to each of a plurality of phases of the motor, and a neutral bus bar which connects neutral points of each of the winding wires;the first insulating holders retain the outermost peripheral bus bar and the third from outermost peripheral bus bar in a radial direction of the stator; andthe second insulating holders retain the second from outermost peripheral bus bar and the innermost peripheral bus bar in the radial direction of the stator.3. The motor power distribution apparatus according to claim 2 , whereinthe first insulating holders and the second insulating holders respectively include three slots for retaining the power distribution members; andthe slot at a center of the first and second insulating holders is larger in width and deeper in depth than the slots at either side of the first and second insulating holders.4. The motor power distribution apparatus according to claim 1 , whereinthe plurality of stacked power distribution members includes three ...

Cast rotor and method

A method for forming a rotor assembly including a cast rotor frame includes positioning a preheated rotor core defining a plurality of passages in a mold cavity such that the mold cavity and the rotor core define the rotor frame including a plurality of conductor bars defined by the plurality of passages in fluid communication with first and second end portions of the mold cavity. Molten metal is quiescently introduced into the mold cavity through an ingate and simultaneously flowed through the plurality of passages prior to filling at least one of the first and second end portions of the mold cavity to form the cast rotor frame. Entrained air and impurities may be displaced from the passages by the flow of molten metal and vented or entrapped by a biscuit. The rotor frame and conductor bars thus formed may be characterized by high conductivity, negligible porosity, and minimal oxides.

Method for the automatic adjustment of a resolver of an electric machine

A method for adjusting a resolver of an electric machine is provided. A resolver rotor is an adjustable element of the resolver and mounted by friction on a support so that a relative angular position with respect to the support may be adjusted by exerting a torque between the resolver rotor and the support. The method includes steps of: measuring an offset angle of the resolver to be corrected; as long as the offset is not less than an predetermined tolerance, locking the resolver rotor with respect to a resolver stator; launching the correction by energizing a main stator of the electric machine so that the electric machine develops a correction torque causing rotation of the resolver rotor with respect to a shaft of the electric machine by the measured offset; and freeing the resolver rotor. Subsequently the method returns to the measuring step.

Rotor and method of forming same

A method of forming a rotor, wherein the rotor includes a plurality of conductor bars each joined to a shorting ring, includes disposing an end of each of the plurality of conductor bars within a respective one of a plurality of cavities defined by the shorting ring. The method also includes, after disposing, deforming the end of each of the conductor bars, and brazing the end of each of the conductor bars to the shorting ring to form the rotor. A rotor includes a shorting ring defining a plurality of cavities therein each having a shape, a plurality of conductor bars each having an end disposed within a respective one of the cavities and joined to the shorting ring, wherein the end is deformable to the shape, and a braze material disposed in contact with the end of each of the conductor bars within a respective one of the cavities.

STATOR FRAME FOR A SUBMERGED LINEAR GENERATOR

The invention relates to a stator frame () for a submerged linear generator. According to the invention the stator frame () includes a cylindrical tube of metal with mounting means () for mounting stator packages to the inside wall of the tube. The stator frame () also is the external circumferential wall of the linear generator. The invention also relates to the use of such a stator frame () and to a method for manufacturing a linear generator with such a stator frame (). 112212131415161966. A stator frame () for a submerged linear generator () , wherein the stator frame () includes a cylindrical tube of metal with mounting means ( , , , ) for mounting stator packets () to the inside wall of the tube , which tube when the linear generator () is assembled also forms an outer circumferential wall of the linear generator ().21314151613141513141514141413141514131415. The stator frame according to claim 1 , wherein the mounting means ( claim 1 , claim 1 , claim 1 , ) includes a plurality of axially distributed mounting profiles ( claim 1 , claim 1 , ) on the inside wall of the tube claim 1 , each mounting profile ( claim 1 , claim 1 , ) extending in the circumferential direction and having a first group of receiving slots () for the stator packets claim 1 , which receiving slots () are spaced by inwardly directed radial projections claim 1 , all receiving slots () of one mounting profile ( claim 1 , claim 1 , ) being axially aligned with receiving slots () of the other mounting profiles ( claim 1 , claim 1 , ).313141513. The stator frame according to claim 2 , wherein each mounting profile ( claim 2 , claim 2 , ) is formed by a circumferential rim ().41314. The stator frame according to claim 2 , wherein each rim () has a plurality of recesses forming said receiving slots ().5131415152021612. The stator frame according to claim 2 , wherein each mounting profile ( claim 2 , claim 2 , ) has a second group of receiving slots () for receiving guiding means ( claim 2 , ) for ...

ACTUATING DRIVE FOR A MOTOR VEHICLE

The invention relates to an actuating drive for a motor vehicle. It is an object of the invention to provide a further developed actuating drive. It is sought in particular for the actuating drive, in one embodiment, to have a small installation space and/or to be protected against the infiltration of dust and moisture. To achieve the object, the actuating drive comprises a drive, for example an electric motor for a drive wheel with an internal thread. The external thread of a spindle extends into the internal thread. By correspondingly rotating the wheel, an end of the spindle can be moved out of a housing of the actuating drive proceeding from a retracted state. Proceeding from the deployed state, the end of the spindle can be moved in the direction of the housing by correspondingly rotating the wheel in the opposite direction. Furthermore, in one embodiment, the actuating drive comprises an emergency unlocking device. 1. An actuator , comprisinga locking bar that can be retracted and extended by means of a spindle,an electric drive unit for retracting and extending the locking bar,a dust-tight and moisture-tight inner space in which the drive unit is located,with a manually actuatable emergency release device comprising a lever and an extension arm connected with the locking bar, anda guide channel for the lever disposed outside of the inner space,the lever comprising a bolt which can be partially pushed through a stationarily disposed sealing ring in order to then arrive in an inner space sealed in a dust-tight and moisture-tight manner,with a sealing ring, which is disposed in a groove and extends peripherally around the locking bar, for a tight connection between the actuator and the component connected to the actuator,the sealing ring being inserted into a peripherally extending groove of the housing of the actuator,with a dust-tight and moisture-tight housing,a single-walled wall portion of the housing being formed by a membrane consisting of a flexible ...

SPINDLE MOTOR

Disclosed herein is a spindle motor including a shaft forming a rotation center of the motor; a sleeve receiving the shaft therein and rotatably supporting the shaft; a thrust plate coupled to the sleeve in a direction vertical to an axial direction, wherein the thrust plate includes a friction reducing coating layer formed thereon. According to the present invention, the coating layer for reducing friction force is formed on the thrust plate of the spindle motor, such that friction force generated when the spindle motor is repeatedly and sequentially stopped, operated, and stopped may be effectively reduced, such that operational performance of the spindle motor may be improved. 1. A spindle motor comprising:a shaft forming a rotation center of the motor;a sleeve receiving the shaft therein and rotatably supporting the shaft;a thrust plate coupled to the sleeve in a direction vertical to an axial direction;wherein the thrust plate includes a friction reducing coating layer formed thereon.2. The spindle motor as set forth in claim 1 , wherein the friction reducing coating layer is formed on the thrust plate facing the sleeve.3. The spindle motor as set forth in claim 1 , wherein the friction reducing coating layer is formed by a self-assembled monolayer (SAM) coating method.4. The spindle motor as set forth in claim 1 , wherein the friction reducing coating layer is formed by a method including:removing organic materials from the surface of the thrust plate in a hexane solution;performing surface-treatment in a piranha solution for surface activation of the thrust plate;dipping the thrust plate into a solution obtained by diluting an octadecyltrichlorosilane (OTS) SAM solution with a hexadecane solution at a concentration of 1 mM to coat the surface thereof;removing residues from the thrust plate with an isopropyl alcohol (IPA) solution; andwashing the thrust plate with de-ionized (DI) water.5. The spindle motor as set forth in claim 4 , wherein the method further ...

ARMATURE ASSEMBLY APPARATUS

An armature assembly apparatus for assembling an armature of an electrical machine is provided. The armature assembly apparatus has an armature holding apparatus to hold a partially assembled armature such that a rotation axis of the armature is horizontal. The armature assembly apparatus has a rotating device for rotating the partially assembled armature about a rotation axis. The armature assembly apparatus also has a ring segment conveyance for conveying an armature ring segment to a mounting position relative to a free ring segment portion of the partially assembled armature. 1. An armature assembly apparatus for assembling an armature of an electrical machine , comprising:an armature holding apparatus for holding a partially assembled armature so that a rotation axis of the armature is horizontal;a rotating device for rotating the partially assembled armature about the rotation axis;an armature ring segment; anda ring segment conveyance for conveying the armature ring segment to a mounting position relative to a free ring segment portion of the partially assembled armature.2. The armature assembly apparatus according to claim 1 , wherein the rotating device is realised to rotate the partially assembled armature about its rotation axis.3. The armature assembly apparatus according to claim 1 , wherein the armature holding apparatus comprises a connecting device for detachably connecting the partially assembled armature to the rotating device.4. The armature assembly apparatus according to claim 1 , wherein the rotating device comprises a meshed gear arrangement.5. The armature assembly apparatus according to claim 1 , wherein the rotating device is realised to rotate the partially assembled armature by a radial amount corresponding to a radial width of a free ring segment portion.6. The armature assembly apparatus according to claim 1 , further comprising an adjusting device for bringing the armature ring segment into the mounting position on the free ring ...

Methods of Repairing a Winding in a Generator, and Kits for Making a Substitute Coil

Method of repairing a winding in a generator, the generator having a generator rotor and a generator stator, wherein the generator rotor and/or stator comprises a plurality of windings, the windings comprising a stack of turns of a conductor around a tooth, wherein the method comprises cutting the winding on a side of the tooth to separate the winding in two parts; removing the two parts of the winding from the tooth; sliding a substitute partial coil on the tooth, the substitute partial coil comprising a stack of incomplete conductor turns having a first end and a second end, said first and second end positioned on the same side of the tooth; and connecting the second ends of each incomplete turn with a first end of the next incomplete turn using a plurality of conductor portions. The disclosure further relates to a kit for making a substitute coil. 1. A method of repairing a winding in a generator , the generator having a generator rotor and a generator stator , wherein the generator rotor and/or the generator stator comprises a plurality of windings , the windings comprising a stack of turns of a conductor around a tooth , wherein the method comprisescutting the winding on a side of the tooth to separate the winding in two parts;removing the two parts of the winding from the tooth;sliding a substitute partial coil on the tooth, the substitute partial coil comprising a stack of incomplete conductor turns having a first end and a second end, the first and second end being positioned on the same side of the tooth; andconnecting the second ends of each incomplete turn with a first end of the next incomplete turn using a plurality of conductor portions.2. The method according to claim 1 , wherein the generator stator comprises the plurality of windings.3. The method according to claim 1 , wherein the generator rotor comprises the plurality of windings.4. The method according to claim 1 , wherein the generator is a wind turbine generator.5. The method according to ...

Miniature Motor and Bearing Arrangement

Electric miniature motor, comprises bearings; stationary assemblies having end faces; and metallic configurations for seating the bearings are formed at the end faces. At least one of the bearings is a roller bearing wherein the outer diameter of the roller bearing is smaller than the inner diameter of the corresponding configuration for seating the bearing; and the roller bearing is connected by at least one welded joint to the configuration. 1. Electric miniature motor , comprising:a) bearings;b) stationary assemblies having end faces;c) metallic configurations for seating the bearings are formed at the end faces;d) at least one of the bearings is a roller bearing wherein the outer diameter of the roller bearing is smaller than the inner diameter of the corresponding configuration for seating the bearing; ande) the roller bearing is connected by at least one welded joint to the configuration.2. Electric miniature motor according to claim 1 , wherein the welding occurs radially through the configuration with the outer ring of the roller bearing.3. Electric miniature motor according to claim 2 , wherein the welded joint is formed point-like claim 2 , as an axial corrugation or as a corrugation at the circumference of the configuration.4. Electric miniature motor according to claim 1 , wherein the welding between the roller bearing and the configuration occurs at the contact edge between both components.5. Electric miniature motor according to claim 4 , wherein the welded joint is formed point-like or as a corrugation between the roller bearing and the configuration.6. Electric miniature motor according to claim 1 , wherein the welding between the roller bearing and the configuration occurs at several positions.7. Bearing arrangement for an electric miniature motor claim 1 , comprising:a) a metallic configuration for seating a roller bearing at an end face of the stationary assemblies of the miniature motor;b) a roller bearing having an outer diameter which is less ...

ELECTRIC MACHINE FOR THE MOTORIZED ADJUSTMENT OF MOVABLE PARTS IN THE MOTOR VEHICLE, AND METHOD FOR PRODUCING THE ELECTRIC MACHINE

An electric machine (), in particular for the motorized adjustment of movable parts in the motor vehicle, and method for producing an electric machine (), comprising a housing part () in which a printed circuit board () for electrically activating the electric machine () is arranged, wherein at least one centering pin () which reaches into a centering opening () in the printed circuit board () is arranged in the housing part (), wherein the centering pin () is plastically deformed at the free end () thereof in order to form a securing head (). 110162010444520164446. An electric machine () , comprising a housing part () in which a printed circuit board () for electrically activating the electric machine () is arranged , wherein at least one centering pin () which reaches into a centering opening () in the printed circuit board () is arranged in the housing part () , characterized in that the centering pin () is plastically deformed at a free end () thereof.2104416164616. The electric machine () according to claim 1 , characterized in that the at least one centering pin () is formed integrally with the housing part () as an extension of the housing part () claim 1 , and the plastic deformation of the free end () is deformed by supplying heat claim 1 , wherein the housing part () is in the form of a plastics injection molded part.3104420464320. The electric machine () according to claim 1 , characterized in that the centering pin () extends transversely with respect to the printed circuit board () and on a side opposite the free end () has a step () against which the printed circuit board () bears in a fitted state.4104410464457535444. The electric machine () according to claim 1 , characterized in that the centering pin () preferably has a circular cross section claim 1 , and claim 1 , in a ready assembled state of the electric machine () after plastic deformation claim 1 , the free end () of the centering pin () has a larger diameter () than a diameter () in an ...

POWER TRANSMISSION DEVICE FOR ELECTRIC VEHICLE AND PRODUCTION METHOD THEREFOR

A power transmission device for an electrically driven vehicle basically includes a power transmission mechanism, a sliding contact brush, a brush case cover, and a brush protective jig. The power transmission mechanism includes a case element, an axle element and a power transmission element. The sliding contact brush is mounted on an axle end of the axle element. The brush case cover is selectively mounted to the case element to enclose the axle end of the axle element in the case element. The brush protective jig is mounted to cover the brush contact when mounting the sliding contact brush to the axle end. The brush protective jig is dimensioned to contact the brush case cover and to prevent the brush case cover from being mounted to the case element while the brush protective jig is in an attached state that covers the brush contact. 1. A power transmission device for an electrically driven vehicle , comprising:a power transmission mechanism interposed between a motor shaft of a motor driven by an inverter and a drive wheel, the power transmission mechanism including a case element, an axle element and a power transmission element;a sliding contact brush mounted on the axle end of the axle element with one end of a brush contact being configured to be in contact with the axle end and the other end of the brush contact being configured to be electrically grounded to a vehicle body;a brush case cover selectively mounted to the case element to enclose the axle end of the axle element in the case element, and to form a brush chamber accommodating the sliding contact brush; anda brush protective jig mounted to cover the brush contact when mounting the sliding contact brush to the axle end, the brush protective jig being dimensioned to contact the brush case cover and to prevent the brush case cover from being mounted to the case element while the brush protective jig is in an attached state that covers the brush contact.2. The power transmission device as claimed in ...

Miniature Motor and Housing Fabrication

Method for fabricating an electric miniature motor, substantially comprising a housing assembly, a rotor assembly, a power transmission and bearing assembly and a second bearing assembly, wherein the housing assembly comprises a housing tube having a division extending in the axial direction over an entire length of the housing tube, comprising the following steps of a) inserting a cylindrical core having a defined outer diameter into the housing assembly; b) adjusting an inner diameter of the housing assembly to an outer diameter of the core; c) fixing the inner diameter of the housing assembly by fixing the housing tube in an area of the division; and d) removing the cylindrical core. 1. Method for fabricating an electric miniature motor , substantially comprising a housing assembly , a rotor assembly , a power transmission and bearing assembly and a second bearing assembly , wherein the housing assembly comprises a housing tube having a division extending in the axial direction over an entire length of the housing tube , comprising the following stepsa) inserting a cylindrical core having a defined outer diameter into the housing assembly;b) adjusting an inner diameter of the housing assembly to an outer diameter of the core;c) fixing the inner diameter of the housing assembly by fixing the housing tube in an area of the division; andd) removing the cylindrical core.2. Method according to claim 1 , wherein the adjustment of the inner diameter of the housing assembly to the outer diameter of the cylindrical core is performed by forces acting in the direction of the housing center upon the outer diameter of the housing assembly.3. Method according to claim 2 , wherein the forces acting in the direction of the housing center are generated by pressure pieces.4. Method according to one of claim 1 , wherein the fixation of the housing tube is carried out by welding.5. Method according to claim 4 , wherein the fixation of the housing tube is carried out by laser welding ...

ELECTRIC ACTUATOR

An electric actuator including a first electric circuit having a first connecting terminal, and a second electric circuit having a second connecting terminal electrically connected with the first connecting terminal, the first connecting terminal including a tip end portion having a rectangular flat plate shape, the second connecting terminal including a pair of elastic contact flaps opposed to each other with a clearance, the clearance having a width between tip end surfaces of the elastic contact flaps which is smaller than a thickness of the first connecting terminal. The first connecting terminal is retained such that the tip end portion thereof is clamped between the tip end surfaces of the elastic contact flaps of the second connecting terminal by an elastic restoring force of the elastic contact flaps. 1. An electric actuator for a vehicle , the electric actuator including an electric motor as a driving source , the electric actuator comprising:a first electric circuit comprising a first connecting terminal; anda second electric circuit comprising a second connecting terminal electrically connected with the first connecting terminal,wherein the first connecting terminal comprises a tip end portion having a rectangular flat plate shape,wherein the second connecting terminal comprises a pair of elastic contact flaps opposed to each other with a clearance, the clearance having a width between tip end surfaces of the elastic contact flaps which is smaller than a thickness of the first connecting terminal, andwherein the first connecting terminal is retained such that the tip end portion thereof is clamped between the tip end surfaces of the elastic contact flaps of the second connecting terminal by an elastic restoring force of the elastic contact flaps.2. The electric actuator as claimed in claim 1 , further comprising guides disposed on both sides of the first connecting terminal in a width direction of the first connecting terminal claim 1 , the guides serving ...

LAMINATED IRON CORE AND METHOD FOR MANUFACTURING SAME

A laminated iron core and a method for manufacturing the same are provided to secure the lamination strength of the respective iron core pieces thereof, and to provide good magnetic efficiency and to reduce a loss. In a laminated iron core including a first caulking section formed in an area thereof having larger magnetic flux density than other area and a second caulking section formed in the other area, the engagement area A of the recessed sub-sections and projecting sub-sections of the first caulking sections of divided iron core pieces adjoining each other in the laminating direction is set smaller than the engagement area B of the recessed sub-sections and projecting sub-sections of the second caulking sections adjoining each other in the laminating direction. 1. A laminated iron core , comprising:multiple iron core pieces caulked and laminated on each other;a first caulking section formed in an area of each of the iron core pieces where a density of magnetic flux passing therethrough is larger than in other area; anda second caulking section formed in the other area of the iron core piece, whereinan engagement area A of the first caulking section of the iron core piece mutually adjoining in a lamination direction is smaller than an engagement area B of the second caulking section mutually adjoining in the laminating direction.2. The laminated iron core according to claim 1 , whereineach of the first and second caulking sections has a rectangular shape when viewed from above, andeach of the first and second caulking sections has a V shape including a bottom portion and two inclined portions opposed to each other across the bottom portion.3. The laminated iron core according to claim 2 , whereina longitudinal direction of the first caulking section faces a direction of the magnetic flux.4. The laminated iron core according to claim 1 , whereina caulking depth of the first caulking section is smaller than a caulking depth of the second caulking section, whereby ...

Method And Fixture For Twisting End Portions of Bar Conductors, In Particular For Bar Windings of Electric Machines

A twisting method ( 100 ) is described, for twisting free end portions ( 2 A, 3 A, 2 A′, 3 A′) of bar conductors ( 1, 1′ ) for the stator or rotor bar winding of an electrical machine, comprising: a step of providing ( 101 ) a twisting fixture ( 10 ) comprising at least a pocket member ( 11 ) extending about a twisting axis (Z-Z) and provided with a circular array (S 1 ) of pockets having its center on the twisting axis (Z-Z), the pocket member ( 11 ) including a main structure ( 11 A) provided with an arc (R 1 ) of adjacent pockets of said array (S 1 ) and a secondary structure ( 11 B) which is movably mounted with respect to main structure ( 11 A) and which is provided with a further pocket ( 11 B′) of said array (S 1 ), each of the pockets of said array (S 1 ) comprising a respective insertion opening ( 11 A″, 11 B″), which is adapted to be passed through by one of said free end portions ( 2 A, 2 A′) for inserting such free end portion into said pocket; a step of providing ( 102 ) a stator core ( 20 ) or rotor core ( 20 ) provided with a plurality of slots ( 24 ) which are populated by a respective plurality of said bar conductors ( 1, 1′ ) which are arranged with said free end portions ( 2 A, 2 A′) protruding from a side of stator core ( 20 ) or rotor core ( 20 ), said protruding end portions forming a circular array (T 1 ) of end portions ( 2 A, 2 A′); a step of inserting ( 103 ) into the arc (R 1 ) of pockets of the main structure ( 11 A) an arc of adjacent end portions ( 2 A, 2 A′) of said array of end portions (T 1 ); a first step of twisting ( 104 ) the arc of end portions, which is inserted into said arc (R 1 ) of pockets, by relative rotational-translational motion between said core ( 20 ) and said pocket member ( 11 ); the method being characterized in that it further comprises: a step of axially translating ( 105 ) the secondary structure ( 11 B) with respect to the main structure ( 11 A), for inserting, into said further pocket ( 11 B′) of the ...

INDUCTION GENERATOR AND METHOD FOR PRODUCING AN INDUCTION GENERATOR

An induction generator () for a remote switch which comprises a U-shaped magnetic diverter () with first and second limbs as well as a coil core () with an induction coil () arranged between the limbs. A movable magnetic element () is provided for switching the induction generator (). When the magnetic element () is in its first position, the magnetic element () is connected with the first limb and the coil core () and, when the magnetic element () is in its second position, the magnetic element () is connected with the coil core () and the second limb. 110-. (canceled)11100. An induction generator () for a remote switch , the induction generator comprising:{'b': '102', 'a U-shaped magnetic diverter () comprising a first limb, a second limb, positioned adjacent the first limb, and a connecting section joining the first limb with the second limb;'}{'b': '104', 'a coil core () being connected to the connecting section of the magnetic diverter and arranged between the first limb and the second limb;'}{'b': '106', 'an induction coil () being arranged on the coil core between the first limb and the second limb; and'}{'b': 110', '112', '112, 'a movable magnetic element () comprising a first contact area () and a second contact area () having first and second positions,'}the first contact area adjoins the first limb and the second contact area adjoins the coil core in the first position of the magnetic element, andthe first contact area adjoins the coil core and the second contact area adjoins the second limb in the second position of the magnetic element.12100112112104. The induction generator () according to claim 11 , wherein the magnetic element has a first pole-piece () which forms the first contact area and a second pole-piece () which forms the second contact area claim 11 , and free ends of the first and the second pole-pieces overlap with free ends of the coil core () and of the first and the second limbs.13100110104. The induction generator () according to claim ...

Electric Motor/Generator With Multiple Individually Controlled Turn-Less Structures

A topological change in motor philosophy based on a turn-less stator that is coupled to independent inverters with separate drives is presented herein. The turn-less stator has a multitude of parallel H bridges and an extremely low impedance. This combination of a turn-less stator and independent inverters is unlike conventional motor and actuator technology that requires multi-turn windings for impedance matching with conventional high impedance power systems. 1. A device , comprising:a turnless, three-phase winding; anda H-bridge inverter; 'three single conductors connected at one end, such that the connected single conductors form a Y-network configuration, three-phase circuit.', 'wherein the turnless, three-phase winding comprises2. A system , comprising: a turnless, three-phase winding; and', 'a H-bridge inverter;, 'two or more controllable, turnless devices, each device comprisinga power source or a load; anda master microprocessor configured to control each controllable, turnless device independently.3. A method , comprising:creating a turnless, three-phase winding;creating an H-bridge inverter;connecting the turnless, three-phase winding and H-bridge inverter to make a controllable, turn-less structure.4. The method of claim 3 , further comprising connecting a DC power source to the turnless claim 3 , three-phase winding and H-bridge inverter.5. The method of claim 3 , further comprising assembling multiple controllable claim 3 , turn-less structures into a suitable configuration with a single claim 3 , master microprocessor. The current application claims priority under 35 U.S.C. §119(e) to U.S. Provisional patent application Ser. No. 61/651,071, filed on May 24, 2012 and entitled “Electric Motor/Generator with Individually Driven Multiple Poles,” which is incorporated by reference herein in its entirety.The subject matter described herein relates generally to motors, generators, and actuators.The field of motor and generator design is very broad. A major ...

AUXILIARY TOOL FOR ASSEMBLING VOICE COIL MOTOR

An auxiliary tool for assembling a number of voice coil motors includes a number of trays, a rod member, and two limiting members. Each tray defines a through hole. The rod member passes through the through holes of the trays. The two limiting members are sleeved over the rod member at two ends of the rod member, the trays being between the two limiting members, each two neighboring trays being configured for clamping a respective one of the voice coil motors. 1. An auxiliary tool for assembling a number of voice coil motors , comprising:a number of trays, each tray defining a through hole;a rod member passing through the through holes of the trays; andtwo limiting members sleeved over the rod member at two ends of the rod member, the trays being limited between the two limiting members, each two neighboring trays being configured for clamping a respective one of the voice coil motors.2. The auxiliary tool of claim 1 , further comprising a plurality of support pins mounted between each two neighboring trays claim 1 , each tray being aligned with another neighboring tray by the support pins.3. The auxiliary tool of claim 1 , wherein each of the trays comprises a main portion and a plurality of support arms extending away from the main portion claim 1 , the main portion comprises a top surface and a bottom surface opposite to the top surface; the support arms and the main portion cooperatively defines two receiving spaces respectively on the top surface and the bottom surface claim 1 , each voice coil motor being received in two receiving spaces of two neighboring trays and clamped by the two neighboring trays when the voice coil motor being assembled claim 1 , with the receiving space on the top surface of one of the two neighboring trays and the other receiving space on the bottom surface of the other one of the two neighboring trays cooperatively receiving a respective voice coil motor. This application is a divisional application of patent application Ser. No. 13/ ...

ELECTRIC POWER COLLECTION AND DISTRIBUTION RING, ELECTRIC MOTOR AND METHOD OF MANUFACTURING ELECTRIC MOTOR

An electric power collection and distribution ring includes a plurality of annular bus rings for collecting and distributing power to windings of a stator, the windings being covered with an insulation cover and the stator being formed by winding the windings around a plurality of teeth arranged in a circular pattern. The bus ring is formed by annularly coupling a plurality of arc-shaped conductive members each including terminal portions at both circumferential end portions, the terminal portions being welded to each other together with an end portion of the winding. The terminal portion includes a first contact surface coming into contact with the end portion of the winding at the time of the welding and a second contact surface to be a contact point between the terminal portions. 1. An electric power collection and distribution ring , comprising:a plurality of annular bus rings for collecting and distributing power to windings of a stator, the windings being covered with an insulation cover and the stator being formed by winding the windings around a plurality of teeth arranged in a circular pattern,wherein the bus ring is formed by annularly coupling a plurality of arc-shaped conductive members each comprising terminal portions at both circumferential end portions, the terminal portions being welded to each other together with an end portion of the winding, andwherein the terminal portion comprises a first contact surface coming into contact with the end portion of the winding at the time of the welding and a second contact surface to be a contact point between the terminal portions.2. The electric power collection and distribution ring according to claim 1 , wherein the conductive member integrally comprises an arc portion extending along a circumferential direction of the bus ring and the terminal portions claim 1 , andwherein the terminal portions protrude with respect to the arc portion in a radial direction of the bus ring.3. The electric power collection ...

Method and device for extraction or introduction of a rotor from or into a stator of an electric machine

The method for extraction or introduction of a rotor ( 4 ) from or into a stator ( 2 ) of an electric machine ( 1 ) includes removing the fan blades ( 20 ) from the seats ( 19 ) of the rotor shaft ( 26 ), connecting a first guide ( 16 ) into the seats ( 19 ) of the removed fan blades ( 20 ), connecting a second guide ( 23 ) to the stator or to an element fixed to the stator ( 2 ), extracting or inserting the rotor ( 4 ) by sliding the first guide ( 16 ) on the second guide ( 23 ).

MOTOR FOR ROTATIONALLY SUPPORTING A HARD DISK

The present invention reduces contamination on a hard disk by adopting a new structural design for a motor. The motor of the present invention includes an adsorption plate portion in a magnetic space of the motor at a radially inward location relative to a disk placing portion on which hard disks are installed. The magnetic space of the motor is defined by a ceiling portion of a rotor hub and the adsorption plate portion. A liquid surface of lubricant of the fluid dynamic bearing mechanism is arranged radially inwardly relative to the adsorption plate portion, and a gap to which the liquid surface is exposed is connected to the magnetic space. The adsorption plate portion is preferably made of stainless steel. At least a portion of the surface of the adsorption plate portion is not covered with paint or other material so as to be utilized as an adsorption area. 1. A motor rotationally supporting a hard disk having a center hole , comprising:a rotor hub including a disk placing portion contacted by an inner edge portion of the center hole and a ceiling portion extending radially inwardly from the disk placing portion;a rotor magnet fixed to the rotor hub;a stator including coils and arranged to magnetically interact with the rotor magnet;a fluid dynamic bearing mechanism lubricated by liquid lubricant and connected to an inner end of the ceiling portion;a motor base including a stator supporting portion that supports the stator and an adsorption plate portion extending radially outwardly from the stator supporting portion; anda base main body having a flat shape extending radially outwardly and including an accommodating portion which accommodates the motor base and includes an inner circumferential surface contacting an outer circumferential surface of the motor base; whereinthe fluid dynamic bearing mechanism includes a bearing stationary portion and a bearing rotational portion;the bearing rotational portion includes either one of a shaft or a sleeve;the bearing ...

PROCESS FOR INTERCONNECTION OF ELECTRONIC POWER MODULES OF A ROTARY ELECTRICAL MACHINE, AND ASSEMBLY OF INTERCONNECTED POWER MODULES OBTAINED BY MEANS OF THIS PROCESS

A method for interconnecting electronic power modules of a polyphase rotary electric machine. The power modules are disposed in open cavities of a heat sink and comprise substrates on which are provided MOSFETs of a synchronous rectifier bridge and integrated control circuits. The method comprises the production of: a planar connector () including at least one layer of conductive traces (); a plurality of interconnection elements () arranged in multiple geometric formations and ultrasonically welded or brazed (S) directly to the substrates () and/or the MOSFETs; and openings () in the planar connector () allowing the free passage of the upper ends () of the connection elements () and a mechanical contact with the conductive traces (). The electrical connections are obtained by means of laser () transmission welding (S) or electric resistance welding. 1515341434. Process for interconnection of at least two electronic power modules of a polyphase rotary electrical machine to one another , and of said power modules to specific components of said polyphase rotary electrical machine , said power modules comprising a substrate comprising a layer constituted by a first plurality of conductive tracks on which there are implemented semiconductor power components and integrated electronic control circuits of these components which are connected electrically by said conductive tracks , comprising a step consisting of arranging the said substrates ( to ) in open cavities ( to ) on an upper surface of a support unit () , such as to be incorporated in a first plane of the space , and a subsequent phase of production of said interconnections comprising at least the following steps:{'b': 6', '64', '63, 'a step of production of first interconnection means constituting a flat connector () comprising at least one layer () constituted by a second plurality of conductive tracks which is supported by at least one plate (), known as the lower plate, made of insulating material, such as to ...

ELECTRIC MACHINE WITH SINGLE OR DUAL-SHAPE WINDING CONFIGURATION AND METHOD

A method of making a first stator winding and a second stator winding comprises forming an open winding arrangement on a first stator core, the open winding arrangement including conductor segments positioned in stator slots with at least four layers of conductor segments in each slot, the open winding arrangement further comprising a plurality of leads to a plurality of the conductor segments. The method further comprises forming the open winding arrangement on a second stator core. In addition, the method comprises closing the open winding arrangement on the first stator core by connecting the plurality of leads with first additional conductors to form a three phase winding in a single-shape configuration. Furthermore, the method comprises closing the open winding arrangement on the second stator core by connecting the plurality of leads with second additional conductors to form a three phase winding in a multi-shape configuration. 1. A method of forming a winding for an electric machine , the method comprising:inserting a plurality of conductor segments into a plurality of slots in a core member having an insertion end and a connection end, each of the conductor segments including a slot portion extending through one of the plurality of slots and a leg end extending from the slot portion on the connection end of the core member, wherein at least four conductor segments are inserted into each of the plurality of slots, each of the at least four conductor segments defining a conductor layer;bending the leg ends of the conductor segments in a first conductor layer in a first direction and bending the leg ends of the conductor segments in a second layer in a second direction such that a first plurality of adjacent leg ends are formed between the conductor segments in the first conductor layer and the second conductor layer;bending the leg ends of the conductor segments in a third layer in the first direction and bending the leg ends of the conductor segments in the ...

Brazing method

A brazing method is provided including the steps of, preplacing a braze alloy on a first plurality of conductive strands, the first plurality of conductive strands comprising a first stator bar, preplacing a braze alloy on a second plurality of conductive strands, the second plurality of conductive strands comprising a second stator bar, and heating at least a portion of the first stator bar to join the first plurality of conductive strands and the second stator bar to join the second plurality of conductive strands. Another step is used for electrically connecting the first stator bar to the second stator bar.

COOLING DEVICE FOR COOLING A WINDING BRAID OF AN ELECTRICAL MACHINE AND METHOD FOR RETROFITTING THE ELECTRICAL MACHINE WITH THE COOLING DEVICE

A cooling device for cooling an air-permeable winding braid of an electrical machine is provided. The cooling device includes a baffle and a fan, which is arranged for blowing a stream of cooling air substantially perpendicularly onto a first surface portion of one side of the wind braid, wherein, in the region of a second surface portion of the side of the winding braid, arranged alongside the first surface portion, the baffle is arranged substantially parallel to and that a distance from the surface of the second surface portion such that a partial stream of the stream of cooling air is formed in the channel that is formed by the baffle and the second surface portion, and so, on the side of the winding braid that is opposite from the first-mentioned side, the other partial stream of the stream of cooling air, penetrating the winding braid, flows away from the winding braid without any return flow. 113-. (canceled)14. A cooling device for cooling an air-permeable winding braid of an electrical machine , comprising:a baffle; anda fan, which is arranged to blow a stream of cooling air substantially perpendicularly onto a first surface portion of a side of the winding braid,wherein, in the region of a second surface portion of the side of the winding braid, the second surface portion being arranged beside the first surface portion, the baffle is arranged substantially parallel to and at a distance from the surface of the second surface portion in such a way that a partial stream of the stream of cooling air is formed in a channel that is formed by the baffle and the second surface portion and therefore, on the side of the winding braid that faces away from the first-mentioned side, the other partial stream, penetrating the winding braid, of the stream of cooling air flows away from the winding braid without any return flow, andwherein the winding braid comprises an end crown connection, and the surface of the baffle is formed in such a way that the channel has a cross ...

Shield and Coolant Guide for an Electric Machine

Peak performance of an electric motor can be enhanced by effective cooling of windings of the stator to avoid overheating. A liquid coolant is effective at cooling the stator; but in high-speed motors, it is advisable to avoid allowing coolant on the rotor to avoid high frictional losses. A shield provided in the air gap between the rotor and the stator guides the coolant back to a sump without gaining access to the rotor. Furthermore, if the electric machine is proximate a high temperature component, the shield may further prevent radiative and conductive heat transfer to the electric machine. 1. An electronically-controlled turbocharger (ECT) , comprising:a turbocharger shaft onto which are mounted a turbine wheel and a compressor wheel;an electric machine disposed between the turbine wheel and the compressor wheel, the electric machine having a rotor coupled to the shaft and a stator concentrically arranged around the rotor, the stator has a plurality of cores comprised of a plurality of laminations with a plurality of coils wrapped around each plurality of laminations and an air gap between the rotor and the stator; anda shield having at least a hollow cylindrical portion disposed in the air gap between the rotor and the stator.2. The ECT of wherein the cylindrical portion of the shield is comprised of a material having a low electromagnet permeability.3. The ECT of wherein the shield further includes a first end cap affixed to a first end of the cylindrical portion and a second end cap affixed to a second end of the cylindrical portion.4. The ECT of wherein the cylindrical portion is disposed proximate the stator with the remaining air gap disposed between the cylindrical portion and the rotor.5. The ECT of wherein the cylindrical portion is thinner than the end caps.6. The ECT of wherein the end caps are affixed to the cylindrical portion via one of: friction welding claim 3 , welding claim 3 , soldering claim 3 , gluing claim 3 , threads claim 3 , and ...

METHODS FOR HANDLING A BEARINGLESS MACHINE

A method for handling a bearingless machine into a driveline includes coaxially aligning a rotor subassembly and a stator subassembly such that first and second circumferential track portions define a substantially complete first circumferential track in communication with a first portal. A first fixture band is inserted into the first circumferential track via the first portal to substantially maintain axial and radial alignment of the rotor subassembly relative to the stator subassembly. 1. A method for integrating a bearingless machine into a driveline , the method comprising:providing a rotor subassembly with a first circumferential rotor track portion,providing a stator subassembly with a first circumferential stator track portion and a casing having a first portal;aligning the rotor subassembly coaxially with the stator subassembly such that the first circumferential rotor track portion and the first circumferential stator track portion define a substantially complete first circumferential track in communication with the first portal;inserting a first fixture band into the first circumferential track via the first portal to substantially maintain axial and radial alignment of the rotor subassembly relative to the stator subassembly; andsecuring the rotor subassembly and the stator subassembly to adjacent components of the driveline.2. The method of claim 1 , further comprising:after the step of inserting the first fixture band, inserting a second fixture band into a second circumferential track via a second portal in the casing.3. The method of claim 1 , further comprising the step of removing the first fixture band from the first track via the first portal after the step of securing the rotor subassembly and the stator subassembly.4. The method of claim 1 , wherein the bearingless machine is an electric machine selected from one of: a permanent magnet machine claim 1 , an induction machine claim 1 , a switched reluctance machine claim 1 , and a wound field ...

RESOLVER WITH MOUNTING STRUCTURE AND METHOD

An apparatus including a rotating member, a resolver and a mounting structure. The resolver includes a resolver stator and a resolver rotor fixedly mounted on the rotating member via a mounting structure. The mounting structure has a low magnetic relative permeability and isolates the resolver rotor from the rotating member by preventing direct contact between the rotating member and the resolver rotor. The disclosed apparatus may be an electric machine having a rotor fixed to the rotating member and be suitable for use in a hybrid vehicle. The mounting structure advantageously has a relative permeability of no greater than about 2 and may be formed out of stainless steel material. The rotating member may be a rotor hub formed out of steel material having a relative permeability of at least about 50. 1. An apparatus comprising:a rotating member;a resolver having a resolver stator and a resolver rotor, the resolver rotor being mounted on the rotating member;an annular mounting structure disposed on the rotating member wherein the annular member circumscribes the rotating member; the resolver rotor being disposed on the mounting structure whereby the mounting structure is disposed between and prevents direct contact between the resolver rotor and rotating member and wherein the mounting structure has a lesser magnetic relative permeability than the rotating member.2. The apparatus of wherein the magnetic relative permeability of the rotating member is an order of magnitude greater than the mounting structure.3. The apparatus of wherein the mounting structure has a magnetic relative permeability of no greater than about 2.4. The apparatus of wherein the rotating member has a magnetic relative permeability of at least about 50.5. The apparatus of wherein the rotating member is a steel material.6. The apparatus of wherein the resolver rotor has a relative permeability of at least about 2 claim 4 ,000.7. The apparatus of further comprising an electric machine having a ...

Production of die cast rotors with copper bars for electric motors

A rotor core for an electric motor includes a stack of laminations having peripherally spaced openings receiving copper bars with opposite end portions projecting from the stack. The core is mounted on an arbor and is inserted into a mold on a vertical die cast press having a shot chamber. The mold has upper and lower mold members defining annular cavities receiving end portions of the bars. Molten copper or aluminum is poured into the shot chamber and forced upwardly by a shot piston through passages in the lower mold member and into the cavity around the lower end portions of the bars. The pressurized molten metal solidifies and shrinks around the bar end portions to form an endring for the rotor. The core, endring and arbor are inverted and confined in the mold, and the casting steps are repeated to form the opposite endring.

METHOD FOR RETROFIT A CONDUCTIVE BAR

A yard includes an electric machine having a slot housing the conductive bar. The conductive bar includes a conductive element, and original insulation around the conductive element. The method includes removing the conductive bar from the slot, removing the original insulation from the conductive element, and applying new insulation around the conductive element on the yard. 1. A method for retrofit a conductive bar ,wherein a yard includes an electric machine having a slot housing the conductive bar;wherein the conductive bar includes:a conductive element, andoriginal insulation around the conductive element;wherein the method comprising:removing the conductive bar from the slot,removing the original insulation from the conductive element, andapplying new insulation around the conductive element,wherein removing the conductive bar from the slot, the removing the original insulation from the conductive element, and the applying new insulation around the conductive element are carried out on the yard.2. The method of claim 1 , further comprising:defining a final size for the new insulation,applying the new insulation with a size larger than the final size, andremoving the part of the new insulation in excess to the final size.3. The method of claim 2 , wherein the removing the part of the new insulation in excess to the final size includes partially removing new insulation.4. The method of claim 3 , wherein the partially removing new insulation includes partially removing new insulation from each side of the cross section of the new insulation.5. The method of claim 2 , wherein the final size of the new insulation is equal to the size of the original insulation.6. The method of claim 1 , wherein the applying new insulation around the conductive element includes:wrapping an insulating tape around the conductive element,providing a flexible sleeve around the conductive element having the insulating tape,applying a vacuum into the flexible sleeve, andapplying heat to ...

MANUFACTURING DEVICE FOR FIELD POLE MAGNET BODY AND MANUFACTURING METHOD FOR SAME

A device for manufacturing a field pole magnet body includes a reference jig having reference surfaces in a lengthwise direction, a width direction, and a thickness direction for positioning the plurality of cleaved and divided magnet fragments in an aligned state with their cleaved faces facing each other; a lengthwise direction pressing means that presses the plurality of magnet fragments from the lengthwise direction in which they are arranged to the lengthwise direction reference surface in order to align the magnet fragments in the lengthwise direction; a width direction pressing means that presses the plurality of magnet fragments from the width direction of the magnet fragments to the width direction reference surface to align them in the width direction; and a thickness pressing means that presses the plurality of magnet fragments from the thickness direction of the magnet fragments to the thickness direction reference surface to align them in the thickness direction. The lengthwise direction pressing means is operated to press the magnet fragments in the lengthwise direction in which they are arranged in a state in which a pressing force of at least one of the width direction pressing means and the thickness direction pressing means on the plurality of magnet fragments arranged within the reference jig is suppressed to be weaker than a pressing force generated by the lengthwise direction pressing means or is released. 15.-. (canceled)6. A device for manufacturing a field pole magnet body that is to be installed in a rotating electric machine and is manufactured by aligning and bonding a plurality of magnet fragments formed by cleaving and dividing a magnet body in a width direction , the device comprising:a reference jig having reference surfaces in a lengthwise direction, a width direction, and a thickness direction for positioning the plurality of cleaved and divided magnet fragments in an aligned state with their cleaved faces facing each other,a ...

METHOD FOR REPAIRING A STATOR

The method for repairing a stator having a damaged part includes providing the stator with a seat, removing the damaged part of the stator, connecting the inserts replacing the damaged part of the stator to the seat, and fixing the inserts. 1. A method for repairing a stator having a damaged end part; the method comprising:providing the stator with a seatremoving the damaged part of the stator,connecting at least an insert replacing the damaged part of the stator to the seat; andfixing the insert.2. The method of claim 1 , wherein providing the seat includes drilling a hole in the stator.3. The method of claim 1 , wherein the stator has a stator bore claim 1 , wherein removing the damaged part of the stator includes opening the seat towards the stator bore.4. The method of claim 3 , further comprising shaping seat side borders delimiting the seat from the stator bore.5. The method of claim 4 , wherein shaping includes making the seat side borders substantially radial.6. The method of claim 1 , wherein the stator has an annular structure with fingers defining slots for housing stator conductors claim 1 , wherein removing the damaged part of the stator includes cutting at least a part of at least a finger.7. The method of claim 1 , further comprising applying insulation into the seat before connecting the insert to it.8. The method of claim 1 , further comprising aligning the insert to the fingers of the stator before fixing it to the stator.9. The method of claim 1 , wherein fixing the insert includes providing at least a wedge between external borders of the seat and the insert.10. The method of claim 1 , wherein removing the damaged part of the stator includes removing a part of the press plate claim 1 , and fixing the insert includes reconnecting the removed part of the press plate.11. The method of claim 10 , wherein fixing the insert includes providing at least a wedge between the insert and the reconnected part of the press plate.12. The method of claim 1 , ...

ELECTRICAL MACHINE

A rotary electrical machine incorporating an electronic module that includes a printed circuit mounted with a plurality of surface mounted electronic components and a plurality of pin-through-hole electronic components; the electrical machine includes a dissipator for dispersing the heat generated by the electronic module; the surface mounted electronic components and the pin-through-hole electronic components are mounted between the printed circuit and the dissipator; the electronic module also includes a transferring element, also mounted between the printed circuit and the dissipator, in thermal contact with at least one of the surface mounted electronic components; the transferring element is designed to disperse the heat generated by the surface mounted electronic components towards the dissipator with the aid of a thermally conductive and electrically isolating filler material inserted between the transferring element and the dissipator. 1. A rotary electrical machine , having its own axis of rotation , comprisingan electronic module, comprising a printed circuit and a plurality of SMD electronic components and a plurality of PTH electronic components and a dissipator for dissipating the heat generated by the electronic module;the SMD electronic components and the PTH electronic components face towards the dissipator;the machine wherein the electronic module comprises at least one transferring element connected to the printed circuit at the position of at least one SMD electronic component in order to transfer the heat generated by the SMD electronic component to the dissipator.2. The machine according to claim 1 , wherein the transferring element is connected to its corresponding SMD electronic component.3. The machine according to claim 1 , wherein the SMD electronic components and the PTH electronic components and the transferring element are located on the first side of the printed circuit.4. The machine according to claim 1 , wherein the SMD electronic ...

ALTERNATOR INCLUDING ELECTRICAL CONNECTOR ASSEMBLY

An electrical machine includes a voltage regulator, a rectifier, a first terminal structure, and a second terminal structure. The voltage regulator includes a first electrical lead. The rectifier includes a second electrical lead. The first terminal structure extends from the first electrical lead and defines a receptacle opening. The first terminal structure includes (i) a first prong configured to at least partially occlude the receptacle opening, and (ii) a second prong configured to at least partially occlude the receptacle opening. The second terminal structure extends from the second electrical lead. The second terminal structure extends through the receptacle opening and defines a first connection surface against which the first prong is positioned, and an opposite second connection surface against which the second prong is positioned. The first terminal structure and the second terminal structure mechanically connect and electrically connect the first electrical lead to the second electrical lead. 1. An electrical machine comprising:a voltage regulator assembly including a first electrical lead;a rectifier assembly including a second electrical lead;a first terminal structure extending from the first electrical lead, the first terminal structure defining a receptacle opening and the first terminal structure including (i) a first prong configured to at least partially occlude the receptacle opening, and (ii) a second prong configured to at least partially occlude the receptacle opening; anda second terminal structure extending from the second electrical lead, the second terminal structure extending through the receptacle opening, and the second terminal structure defining (i) a first connection surface against which the first prong is positioned, and (ii) an opposite second connection surface against which the second prong is positioned,wherein the first terminal structure and the second terminal structure mechanically connect and electrically connect the ...

RADIAL LEAD SEAL ASSEMBLY FOR A GENERATOR AND A RADIAL LEAD SEAL ASSEMBLY OF A GENERATOR

A retrofit method for modifying a radial lead seal assembly of a generator and a radial lead seal assembly of a generator are presented. The radial lead seal assembly seals a radial chamber from an axial chamber. The radial lead seal assembly includes sealing elements disposed around a radial lead to seal an annular space between the radial lead and the radial chamber, a coil spring disposed around the radial lead between the sealing elements and a junction between the radial lead and the axial lead, and a nut. The retrofit method includes removing one or more of the sealing elements to define a radial space between the remainder of the sealing elements and the coil spring. Conical springs are inserted in the radial space and only partially compressed under a radially inward compressive load exerted on the radial lead seal assembly via the nut. 1. A retrofit method for modifying a radial lead seal assembly of a generator , wherein the generator comprises a lead assembly for conducting a field current to a rotor winding , wherein the lead assembly comprises an axial lead extending within an axial chamber through the rotor and a radial lead extending radially outward from the axial lead through a radial chamber , wherein the radial lead seal assembly fluidically seals the radial chamber from the axial chamber , wherein the radial lead seal assembly comprises a plurality of annular sealing elements disposed around the radial lead so as to seal an annular space between the radial lead and the radial chamber , a coil spring disposed annularly around the radial lead between the plurality of sealing elements and a junction between the radial lead and the axial lead , and a loading member , the retrofit method comprising:removing one or more of the annular sealing elements to define a radial space between the remainder of the sealing elements and the coil spring;inserting a plurality of conical springs in said radial space; andapplying a radially inward compressive load on ...

VIBRATING ACTUATOR

A vibrating actuator is disclosed, comprising: a magnetic part including at least two magnets () arranged with same polarities facing each other; a receiving part including a hollow member () with a cavity () for receiving the magnetic part and at least one coil () wrapped around the hollow member () and fixed thereto; elastic elements () interconnecting the magnetic part and the hollow member (); and a chassis (). In one aspect, the magnetic part is fixed to the chassis () via attachment elements () such that the magnetic part, the attachment elements () and the chassis are stationary, and the receiving part performs a linear movement with changing direction causing the vibration when an alternating current passes through the coil(s) (). In another aspect, the elastic elements () are flat elastic metal or plastic membranes (). In yet another aspect, a magnetic guidance member of ferromagnetic material partly surrounding the hollow member () and the coil(s) () is mounted to the longitudinally outer ends of the magnetic part. 1. A vibrating actuator , comprising:a magnetic part including at least two magnets arranged with same polarities facing each other;a receiving part including a hollow member with a cavity for receiving the magnetic part and fixed thereto;at least one coil wrapped around the hollow member and an elastic member interconnecting the magnetic part and the hollow member; anda chassis;wherein the magnetic part is fixed to the chassis via an attachment mechanism such that the magnetic part, the attachment mechanism and the chassis are stationary; andwherein the receiving part is conformed to perform a linear movement with changing direction causing a vibration.2. The actuator of claim 1 , wherein a spacer comprising a nonmagnetic material is provided between the magnets.3. The actuator of claim 1 , wherein the at least one coil is wrapped around the center portion of the hollow member.4. The actuator of claim 3 , wherein two slots for slidably ...

ELECTRIC MACHINE HAVING AN AXIAL SPRING ELEMENT

The invention relates to an axial spring element () having two peripheral ring elements () that are spaced from one another in the axial direction and are connected to one another in a spring-elastic manner, wherein at least one of the ring elements () comprises one or more retaining elements () in order to brace the spring element with a rotor () and thereby hold the spring element on the rotor (). 166162616455. An axial spring element () having two peripheral ring elements ( , ) which are spaced apart from one another in an axial direction and are connected to one another in a spring-elastic fashion , wherein at least one of the ring elements () comprises one or more retaining elements () in order to brace the spring element with a rotor () and thereby retain the spring element on the rotor ().266461. The spring element () as claimed in claim 1 , wherein the one or more retaining elements () are each embodied with a retaining claw which protrudes outward in a radial direction from a respective ring element ().3664. The spring element () as claimed in claim 1 , wherein the one or more retaining elements () are each embodied with a retaining claw which protrudes inward in a radial direction from a respective ring element.4661646262. The spring element () as claimed in wherein the ring element () on which the one or more retaining elements () is/are arranged is larger than a further ring element () claim 2 , and wherein corresponding retaining claws protrude obliquely in a direction of the further ring element ().6152546. The electric machine () as claimed in claim 5 , wherein the rotor body () is provided with a cylindrical internal recess () into which the spring element () is inserted.715453. The electric machine () as claimed in claim 6 , wherein the internal recess () is formed by a hollow cylindrical insulating lamination () on which an armature packet composed of armature laminations is applied.8152656562514. A method for mounting an electric machine () claim ...

DYNAMO-ELECTRIC MACHINE

A dynamo-electric machine which inhibits the vibration of a frame and a bearing and has excellent manufacturability. A dynamo-electric machine according to the present invention includes a stator, a rotor including a rotary shaft and being disposed on an inner side in a radial direction of the stator, a bearing for supporting the rotary shaft, an intermediate frame for supporting the stator, and a stator frame for supporting the bearing and the intermediate frame. The stator frame includes pedestals at two end portions in a width direction of a bottom portion of the stator frame. Each of the pedestals includes an upper surface positioned above a bottom surface of the stator frame. The intermediate frame is fixed to upper surfaces of the pedestals. 1. A dynamo-electric machine comprising:a stator;a rotor including a rotary shaft and being disposed on an inner side in a radial direction of the stator;a bearing for supporting the rotary shaft;an intermediate frame for supporting the stator; anda stator frame for supporting the bearing and the intermediate frame,wherein the stator frame includes pedestals at two end portions in a width direction of a bottom portion of the stator frame,wherein each of the pedestals includes an upper surface positioned above a bottom surface of the stator frame,wherein the intermediate frame is fixed to upper surfaces of the pedestals,wherein the intermediate frame includes main plates at two end portions in an axial direction of the intermediate frame, each of the main plates including a first opening portion for supporting the stator, andwherein each of the main plates includes second opening portions around the first opening portion.2. The dynamo-electric machine according to claim 1 ,wherein the intermediate frame includes a bottom plate and leg plates in a bottom portion of the intermediate frame, the bottom plate being a surface positioned at a center portion in the width direction, and the leg plates being surfaces positioned at ...

SCALP STIMULATION AND HAIR RE-GROWTH

A method and an apparatus are disclosed for promoting hair growth using multi-dimensional vibrations. A multi-vibrating device includes components, such as electric motors, configured to generate several modes of vibration simultaneously. The vibrations may be transmitted to scalp or other skin area where re-growth of hair is desired via elements of the vibrating device such as bristles on a hairbrush. The multi-mode vibrations may cause natural skin oils and sebum surrounding the hair shaft and follicle to be stripped off to allow more oxygen and stimulate growth. The multi-mode vibration device may be used in conjunction with specially fortified shampoos and vitamins to further stimulate hair growth. 1. A device for stimulating hair growth , the device comprising:a vibrating component; andan electric motor coupled with a motion transformation device attached to the vibrating component, the motion transformation device configured to convert a rotational motion of the electric motor to a reciprocating motion to generate multi-dimensional vibrations.2. The device of claim 1 , further comprising a static component coupled with the vibrating component.3. The device of claim 1 , further comprising a rechargeable battery coupled with the electric motor.4. The device of claim 1 , wherein the vibrating component is a head of a hair brush.5. The device of claim 1 , wherein the motion transformation device comprises an off-center weight.6. The device of claim 1 , wherein the motion transformation device converts a rotational motion to a reciprocating motion.7. The device of claim 1 , wherein the motion transformation device comprises a cam and cam follower mechanism.8. The device of claim 1 , wherein the multi-dimensional vibrations comprises at least two of vibrations in each of multiple linear directions and a circular path.9. The device of claim 1 , wherein a frequency of the multi-dimensional vibrations is adjustable by a user of the device for stimulating hair growth.10 ...

Device and Method for Bending Winding Segments to Form a Winding, Winding Carrier, Electric Machine

A device for bending a plurality of winding segments to form a winding of a winding carrier of an electric machine is provided. The device includes: a holding device designed for holding in place the winding carrier in which the winding segments are arranged; a main bending device, including a number of main locking elements, which point towards the holding device, are arranged along first sections of a circumferential line and are designed to lock exposed end sections of first winding segments; and a partial bending device, including a number of partial locking elements, which point towards the holding device, are arranged along second sections of the circumferential line and are designed to lock exposed end sections of second winding segments. The holding device on the one hand and the main bending device and the partial bending device on the other hand are rotatable relative to each other.

Method of manufacturing stator for rotary electric machine

A method of manufacturing a stator for a rotary electric machine by disposing coils in a plurality of phases on a plurality of teeth of a stator core, one coil on one tooth, wherein in sequentially disposing the coils in the plurality of phases on the teeth, one coil on one tooth, toward one side in the circumferential direction of the stator core, the one end portion of each of the coils in each phase is inserted from the one side in the axial direction of the stator core, or from a direction that is orthogonal to the axial direction of the stator core, to be disposed between the one end portion and the other end portion of the immediately preceding coil in a separate phase disposed on the tooth so as to be aligned with the other end portion of the coil in the same phase.

ROTATING ELECTRIC MACHINE

A rotating electric machine comprising at least one end flange carrying a bearing, and a housing onto which the end flange is attached, said housing being cooled by a liquid cooling circuit and having at least two connectors communicating with the cooling circuit. The two connectors allow the supply and return of cooling liquid to and from the flange when the flange is configured to be cooled by a flow of the cooling liquid. 1. A rotating electric machine comprising:at least one end flange carrying a bearing,a housing onto which the end flange is attached, the housing being cooled by a liquid cooling circuit and having at least two connectors communicating with said cooling circuit, the two connectors allowing the supply and return of cooling liquid to and from the flange when the flange is configured to be cooled by a flow of the cooling liquid.2. The machine as claimed in claim 1 , the two connectors being connected together so as to allow the circulation of the cooling liquid between the two connectors when the flange does not need to be cooled by a flow of the cooling liquid.3. The machine as claimed in claim 1 , the two connectors being disposed in the proximity of the flange.4. The machine as claimed in claim 1 , wherein the at least one flange comprises two flanges and wherein the at least two connectors comprises two pairs of connectors claim 1 , each pair of connectors being configured for the cooling of a respective one of the two flanges of the machine.5. The machine as claimed in claim 4 , each pair of connectors being disposed in the proximity of the respective one of the two flanges.6. The machine as claimed in claim 1 , further comprising external ductwork configured to provide a connection between the connectors of the housing and the flange.7. The machine as claimed in claim 1 , wherein connection between the connectors in the absence of liquid-cooling of the flange is established by a sole part claim 1 , connected to the housing.8. The machine as ...

CLEANING APPARATUS AND METHOD FOR CLEANING COMPONENTS

The invention relates to a cleaning apparatus for cleaning, in particular, electrical components with a gaseous cleaning medium, comprising a receiving device to which the component is fixed or fixable, a nozzle device with at least one nozzle element directed or directable at the component, and a holding device for said nozzle element, wherein at least one nozzle element is adapted to at least one contour of the component, in particular an outer contour or an envelope surface, as well as a pressurization device for acting upon the nozzle device with the cleaning medium, wherein at least one nozzle element of the nozzle device is exchangeably and, in particular, releasably fixable or fixed to the holding device, and wherein the cleaning apparatus comprises at least one drive device, which is in operative connection with the component and/or with the nozzle device, for achieving a relative movement of the component and the at least one nozzle element during the cleaning. The invention also relates to a method. 1. Cleaning apparatus for cleaning components with a gaseous cleaning medium ,comprising a receiving device to which the component is fixed or fixable, a nozzle device with at least one nozzle element directed or directable at the component and a holding device for said nozzle, wherein at least one nozzle element is adapted to at least one contour of the component,as well as a pressurization device for acting upon the nozzle device with the cleaning medium,wherein at least one nozzle element of the nozzle device is exchangeably fixable or fixed to the holding device,and wherein the cleaning apparatus comprises at least one drive device, which is in operative connection with at least one of the component and the nozzle device, for achieving a relative movement of the component and the at least one nozzle element during the cleaning.2. Cleaning apparatus in accordance with claim 1 , wherein at least one of:at least one nozzle element is adapted to an outer ...

Ball Joint Universal Rotary Motor, a Manufacturing Method and a Working Mechanism Thereof

Described herein is a ball joints universal rotary motor, a manufacturing method and a working mechanism thereof. The ball joints universal rotary motor comprises a housing, a spherical-cap shaped stator body, and a rotor body configured to be secured within the stator body. The stator body is made from a permanent magnet. The rotor body comprises multiple layers of armatures and multiple spacer layers. The multiple layers of armatures are symmetrically distributed along the axis of the rotor body. A spacer layer is provided between two adjacent layers of armatures. The multiple layers of armatures and multiple spacer layers are securely connected by a bolt. The bolt and the rotor body are axially connected. The rotor body is of a spherical shape. Each layer of the armatures is wound with two layers of coils: a first layer and a second layer. The motor as provided is configured to realize movement in multiple directions. The present disclosure provides an embodiment of a motor with a pump assembly, and another embodiment of a motor without a pump assembly. Examples of applications of the present disclosure include joints and areas of an intelligent bionic robot, various industrial devices, and household appliances. 1. A ball joint universal rotary motor comprising:a spherical-cap shaped stator body, a rotor body configured to be secured within the stator body, and a rotor shaft;wherein, the stator body is made from a permanent magnet, and is magnetized to form a plurality of magnetic poles;wherein the rotor body comprises multiple layers of armatures;wherein one armature is wound with a first layer of coils; wherein the first layer of coils is configured to be wound on the same armature;wherein one armature is wound with a second layer of coils; wherein the second layer of coils on the one armature is configured to be electrically connected with another second layer of coils on another armature that is symmetrically distributed in equal distance from a center of the ...

METHOD FOR RELEASING THE ROTOR POLES IN AN ELECTRICAL MACHINE

A method releases rotor poles of a large electrical machine from the rotor hub, which in the fitted state is located within the stator. In one method step, at least one device is introduced into the air gap between the sector and a rotor pole to be released. The device has a carrier plate and at least one cushion that can be filled with gas and is attached to the carrier plate. In a following method step, the cushions belonging to the device are filled with gas under pressure, the pressure being successively increased until the pole to be released has come away, and in that, in a following method step, the at least one device is removed from the air gap. In a further step, the released pole is pulled out of the rotor hub. 1. A method for releasing rotor poles of a large electrical machine from a rotor hub , the rotor hub being in a fitted state , disposed within a stator , which comprises the steps of:introducing at least one device into an air gap between the stator and a rotor pole to be released, wherein the device has a carrier plate and at least one cushion that can be filled with gas and the cushion is attached to the carrier plate;filling the cushion belonging to the device with the gas under pressure, the pressure being successively increased until the rotor pole to be released has come away;removing the at least one device from the air gap; andpulling out a released pole from the rotor hub.2. The method according to claim 1 , wherein the carrier plate is a fabric-base laminate panel.3. The method according to claim 1 , wherein the at least one cushion that can be filled with gas is attached to the carrier plate with an aid of hook-and-loop fasteners or adhesive strips.4. The method according to claim 1 , which further comprises filling the least one cushion with the gas with an aid of a tube claim 1 , the tube being attached to the carrier plate.5. The method according to claim 4 , which further comprises attaching the at least one tube for filling the at ...

Motor Brush Quick Change Assembly

A motor brush quick change assembly that includes brush units and electrical spring contacts. The brush units include a carrier with a housing and a brush. The electrical spring contacts are connected to an electrical device. Each of the brush units is configured to be removably attached to the electrical device to contact one of the electrical spring contacts. The brush unit thus provide for both a mechanical and electrical connection to the electrical device. The brush units are configured to prevent the need for separate electrical leads that require separate attachment and detachment to the electrical device. This design provides for straight-forward removal and replacement that can be performed by a robotic device or an operator. 1. A motor brush quick change assembly for mounting within a receptacle of an electrical device , the motor brush quick change assembly comprising:a plurality of flexible electrical spring contacts, each of the electrical spring contacts comprising an elongated shape with a first end configured to be mounted to the electrical device and a second end positioned outward within the receptacle; a carrier configured to engage the electrical device and extend across the receptacle;', 'an electrically conductive housing mounted to the carrier, the housing comprising a receptacle and a contact surface; and', 'a brush mounted in the receptacle and with a first end extending outward from the receptacle away from the carrier, the brush contacting against and being electrically connected to the contact surface;, 'a plurality of brush units, each of the brush units comprisingeach of the brush units sized to fit within one of the receptacles of the electrical device with the carrier sized to extend across the receptacle and for the contact surface of the housing to contact against the second end of the electrical spring contact.2. The motor brush quick change assembly of claim 1 , wherein the spring contact is constructed from beryllium copper3. The ...

SYSTEM AND METHOD FOR DISASSEMBLING A DRIVE PINION ASSEMBLY OF STARTER MOTOR

A system for disassembling a drive pinion assembly of a starter motor is disclosed. The drive pinion assembly includes a drive gear and a pinion member coupled to the drive gear through a mounting hole defined in the drive gear. The system includes a base member for supporting the drive pinion assembly. The base member includes a through hole to align with the mounting hole of the drive gear. The system further includes a pin member slidably received in the through hole and an actuating member disposed around the base member. The actuating member is rotatable about a rotational axis defined by the base member. The actuating member includes a cam lobe for moving the pin member towards the mounting hole of the drive gear based on movement of the actuating member about the rotational axis to disassemble the pinion member from the drive gear. 1. A system for disassembling a drive pinion assembly of a starter motor , the drive pinion assembly comprising a drive gear and a pinion member coupled to the drive gear through a mounting hole defined in the drive gear , the system comprising:a base member configured to support the drive pinion assembly therein, the base member comprising a through hole configured to align with the mounting hole of the drive gear;a pin member configured to be slidably received in the through hole; andan actuating member disposed around the base member and rotatable about a rotational axis defined by the base member, the actuating member comprising a cam lobe configured to move the pin member towards the mounting hole of the drive gear based on movement of the actuating member about the rotational axis to disassemble the pinion member from the drive gear.2. The system of claim 1 , wherein the base member comprises:a hollow space defined adjacent to a first end thereof to receive the drive pinion assembly therein; anda support member coupled adjacent to a second end thereof for detachably supporting the base member on a work surface.3. The system ...

DRIVE ARRANGEMENT FOR ADJUSTING A COMPONENT IN A MOTOR VEHICLE

A drive arrangement comprising an adjustment drive for adjusting a component, in particular a tailgate, said adjustment drive comprising an output shaft which extends concentrically about an output axis and can be rotated about the output axis in and against a direction of rotation, and comprising a hinge which has a first hinge arm and a second hinge arm that can be rotated with respect to the first hinge arm about a hinge axis, wherein the adjustment drive is provided to rotate the second hinge arm, wherein the hinge axis and the output axis are disposed in alignment with one another and wherein the second hinge arm is connected to the output shaft in a rotationally fixed manner. 1101202221465681582520. A drive arrangement () for a motor vehicle , comprising an adjustment drive () for adjusting a component , said adjustment drive comprising an output shaft () which extends concentrically about an output axis () and is configured to be rotated about the output axis () in and against the direction of rotation () , and comprising a hinge () which has a first hinge arm () and a second hinge arm () which can be rotated with respect to the first hinge arm () about a hinge axis () , wherein the adjustment drive () is configured to rotate the second hinge arm () and wherein the hinge axis () and the output axis () are disposed in alignment with one another , wherein the second hinge arm () is connected to the output shaft () in a rotationally fixed manner.21050520120. The drive arrangement () according to claim 1 , characterized in that a driver () is disposed on the second hinge arm () claim 1 , said driver being connected in a positive-locking manner to a counter driver () of the output shaft ().310663163280. The drive arrangement () according to claim 2 , characterized in that the first hinge arm () has a first retaining arm () and a second retaining arm () which are spaced apart from one another in an axial direction ().4106631632. The drive arrangement () according ...

SPOT WELDS ALIGNING MOTOR COMPONENTS

Provided herein, is an apparatus that includes a first weld attaching a first motor component and a second motor component, a second weld attaching the first motor component and the second motor component, and a plurality of spot welds along a joint between the first and second weld wherein the plurality of spot welds are configured to align the first motor component and the second motor component. 1. An apparatus comprising:a first weld attaching a first motor component to a second motor component;a second weld attaching the first motor component to the second motor component; anda plurality of spot welds along a joint between the first weld and the second weld wherein the plurality of spot welds are configured to align the first motor component and the second motor component.2. The apparatus of claim 1 , wherein the joint is positioned at an interface between the first and second motor components.3. The apparatus of claim 1 , wherein the plurality of spot welds are configured to change an initial alignment of the first and second motor components claim 1 , wherein the initial alignment was created by the first or second weld.4. The apparatus of claim 1 , wherein the alignment is substantially fixed by the spot welds.5. The apparatus of claim 1 , wherein the alignment is a predetermined alignment.6. The apparatus of claim 1 , further includes:a third weld attaching the first motor component to the second motor component.7. The apparatus of claim 1 , wherein the first and second motor components are configured to be stationary components with respect to a rotating hub.8. The apparatus of claim 1 , wherein the first and second motor components are configured to be rotatable components with respect to a stationary base.9. A method comprising:tack welding a first motor component and a second motor component together;determining a first offset between the first motor component and the second motor component; andspot welding along a joint to correct the first offset ...

STATOR ASSEMBLY OF A MOTOR, A SYNCHRONOUS MOTOR AND A PASSENGER CONVEYING DEVICE

A motor stator assembly, a synchronous motor and a passenger transport device are provided by the present disclosure. The motor stator assembly includes: a stator base disposed axially around a motor drive shaft, the stator base having a receiving space and two stator end faces, and the receiving space being disposed between the two stator end faces and disposed along a circumferential outer side of the stator base; and a plurality of coil assemblies each inserted in the receiving space in a radial direction of the stator base. According to the motor stator assembly, the synchronous motor and the passenger transport device of the present disclosure, by providing a plurality of coil assemblies inserted in the stator base, the maintenance or replacement can be performed as needed, the maintenance is convenient, and less time-consuming, and also has reliable performances. 1. A motor stator assembly , comprising:a stator base disposed axially around a motor drive shaft, the stator base having a receiving space and two stator end faces, and the receiving space being disposed between the two stator end faces and disposed along a circumferential outer side of the stator base; anda plurality of coil assemblies each inserted in the receiving space in a radial direction of the stator base.2. The motor stator assembly according to claim 1 , wherein a plurality of positioning holes are disposed in the stator end faces of the stator base; wherein in an assembled state claim 1 , the coil assemblies are embedded in the positioning holes of the stator base; and in a disassembled state claim 1 , the coil assemblies are removed out of the positioning holes of the stator base.3. The motor stator assembly according to claim 2 , wherein the plurality of positioning holes are uniformly arranged in the stator end faces in a circumferential direction claim 2 , and the coil assemblies are uniformly embedded in the positioning holes in the circumferential direction.4. The motor stator ...

The method of winding construction in a linear motor

The subject matter of the invention is the method of construction of a linear motor winding, consisting of phase paths, characterised in that a solid flat bar is cyclically bent at a selected binding radius R1, the active part and the end parts constitute a uniform plane of the phase path, which has got elongated end fragments: the beginning of the section and the end of the section or the phase path is cut of metal sheet, as shown in the figure and then, along the line, separating the end part from the active part, it is bent at the bending radius R2, where the bend angle α1 is within the range between 0° and 180°.

METHODS AND SYSTEM FOR DISASSEMBLING A MACHINE

A system and methods for disassembling a rotary machine are provided. The rotary machine includes a casing having a plurality of arcuate channels. The system includes a reaction bridge that is configured to couple to the casing of the rotary machine such that the reaction bridge is moveable along a length of the casing. The reaction bridge includes a front support and a rear support that is substantially parallel to the front support. Each of the supports includes a first leg, a second leg, and a support beam extending therebetween. A force device including an actuator and an engaging rod extending therefrom is coupled to the reaction bridge. The force device is configured to apply a force substantially tangentially to a segment positioned in one of the casing arcuate channels. 1. A method for disassembling a rotary machine , said method comprising:at least partially disassembling a casing of the rotary machine to provide access to an arcuate channel defined in the casing;coupling a reaction bridge to the casing of the rotary machine, the reaction bridge including a first leg, a second leg, and a support beam extending therebetween, the reaction bridge further including a force device removably coupled to the reaction bridge;engaging a segment positioned in the arcuate channel using the force device;applying a force to the segment such that the segment is repositioned within the arcuate channel; andremoving the segment from the arcuate channel.2. A method in accordance with claim 1 , wherein applying a force to the segment further comprises applying the force substantially tangentially to the segment.3. A method in accordance with claim 2 , wherein applying the force substantially tangentially to the segment further comprises applying an inward force substantially tangentially to an end of the segment at a first end of the arcuate channel to reposition the segment within the arcuate channel away from the first end.4. A method in accordance with claim 2 , wherein ...

BLOWER MOTOR FOR HVAC SYSTEMS

A blower motor assembly having a variable speed motor that is suitable for replacing a PSC motor in a residential HVAC (heating, ventilation, and air conditioning) system. The blower motor assembly includes a variable speed motor and motor controller; a first power input for receiving a plurality of AC power signals from a control device for use in determining an operating parameter for the motor; and a second power input for receiving AC power from an AC power source for powering the motor controller even when no AC power signals are received by the first power input. 1. A method of replacing a permanent split capacitor motor with a variable speed motor , the method comprising:removing the permanent split capacitor motor;connecting speed/tap selection wires from a furnace control board to a first power input on the variable speed motor; andconnecting an AC power line to a second power input on the variable speed motor for powering the variable speed motor independently of the furnace control board.2. The method of claim 1 , wherein the speed/tap selection wires are used for determining a speed setting of the variable speed motor.3. The method of claim 2 , further comprising:programming speed characteristics directly into a motor controller of the variable speed motor independently of any speed settings provided by the furnace control board.4. A method of replacing a permanent split capacitor motor with a variable speed motor claim 2 , the method comprising:removing the permanent split capacitor motor;connecting speed/tap selection wires from a furnace control board to a first power input on the variable speed motor, wherein the speed/tap selection wires are used for determining a speed setting of the variable speed motor;connecting an AC power line to a second power input on the variable speed motor for powering the variable speed motor independently of the furnace control board;programming speed characteristics directly into a motor controller of the variable ...

LOW-COST, REDUCED DIAMETER LINEAR ACTUATOR

A linear actuator, comprising a base housing, a top housing, and a piston assembly. The base housing may comprise at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide. The top housing may be fixedly attached to the base housing and may comprise at least one recess configured to restrain another at least one magnet in three dimensions. The piston assembly may comprise at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable, wherein the piston assembly may be positioned between the base housing and the top housing. 1. A linear actuator , comprising:a base housing comprising at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide;a top housing fixedly attached to the base housing, wherein the top housing comprises at least one recess configured to restrain another at least one magnet in three dimensions; anda piston assembly comprising at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable, wherein the piston assembly is positioned between the base housing and the top housing.2. A method of manufacturing a linear actuator , the method comprising:constructing a base housing comprising at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide, wherein the base housing is constructed from a steel casting and the recesses and channel are constructed during the casting;constructing a top housing comprising at least one recess configured to restrain another at least one magnet in three dimensions, wherein the top housing is constructed from a steel casting; andconstructing a piston assembly from a plastic mold, wherein the piston assembly is constructed to receive at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable. This application claims priority under 35 U.S.C. 119(e) to U.S. ...

LOW-COST, REDUCED DIAMETER LINEAR ACTUATOR

A linear actuator, comprising a base housing, a top housing, and a piston assembly. The base housing may comprise at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide. The top housing may be fixedly attached to the base housing and may comprise at least one recess configured to restrain another at least one magnet in three dimensions. The piston assembly may comprise at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable, wherein the piston assembly may be positioned between the base housing and the top housing. 1. A linear actuator , comprising:a base housing comprising at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide;a top housing fixedly attached to the base housing, wherein the top housing comprises at least one recess configured to restrain another at least one magnet in three dimensions; anda piston assembly comprising at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable, wherein the piston assembly is positioned between the base housing and the top housing.2. A method of manufacturing a linear actuator , the method comprising:constructing a base housing comprising at least one recess configured to restrain at least one magnet in three dimensions and a channel configured to receive a linear guide, wherein the base housing is constructed from a steel casting and the recesses and channel are constructed during the casting;constructing a top housing comprising at least one recess configured to restrain another at least one magnet in three dimensions, wherein the top housing is constructed from a steel casting; andconstructing a piston assembly from a plastic mold, wherein the piston assembly is constructed to receive at least one coil bobbin, a shaft, a linear encoder scale, and a flex cable. This application claims priority under 35 U.S.C. 119(e) to U.S. ...

ELECTRIC MACHINE WITH LOCALLY-TUNED PROPERTIES

A method of forming an electric machine lamination includes punching a sheet having a first composition to form a cavity and a compressed region at a perimeter of the cavity. The method further includes depositing, within the cavity and on the compressed region, a deposit material having a second composition different than the first composition. The method further includes scanning a beam along the deposit material to form a bound material within the cavity and on the compressed region. 1. An electric machine lamination comprising:a sheet formed of an iron alloy and at least partially defining adjacent magnet pockets, the sheet including a tapered compressed region extending between and at an oblique angle to upper and lower surfaces of the sheet; anda composition different than the iron alloy disposed at the tapered compressed region, extending between the adjacent magnet pockets, and forming a center bridge having a lower magnetic permeability than the sheet.2. The electric machine lamination of wherein a cross-section of the sheet has a first thickness adjacent the tapered compressed region claim 1 , and a second thickness at the tapered compressed region that is greater than zero and less than the first thickness.3. The electric machine lamination of wherein an upper surface of the composition is substantially flush with the upper surface of the sheet at the tapered compressed region claim 1 , and wherein a lower surface of the composition is substantially flush with the lower surface of the sheet.4. The electric machine lamination of wherein the tapered compressed region and the composition at the tapered compressed region define a combined thickness that generally corresponds to a thickness of the sheet adjacent the tapered compressed region.5. The electric machine lamination of wherein the tapered compressed region includes a plurality of opposing tapered compressed regions.6. The electric machine lamination of wherein the composition is disposed at and ...

INTEGRATED CONTROL CIRCUITRY AND COIL ASSEMBLY FOR IRRIGATION CONTROL

An integrated irrigation valve control device has a coil adapted to develop an electromagnetic flux sufficient to cause actuation of irrigation equipment. Control circuitry is electrically coupled to the coil to control the flux at the coil. A housing covers at least a portion of the coil and at least a portion of the control circuitry. 1. An irrigation control device comprising:a coil configured to develop an electromagnetic flux sufficient to cause actuation of irrigation equipment;control circuitry electrically coupled to the coil and configured to receive, at input connections, modulated power signals from an external irrigation control unit of an irrigation control system via a control wire path coupled to the input connections, wherein the control circuitry is configured to derive control signals from the modulated power signals received from the control wire path and based on the control signals, output signaling to the coil to control the electromagnetic flux at the coil; anda housing covering at least a portion of the coil and at least a portion of the control circuitry.2. The irrigation control device of wherein the housing is an integrally formed one-piece housing.3. The irrigation control device of wherein any electrical connection between the coil and the control circuitry remains within the housing.4. The irrigation control device of wherein the control circuitry comprises a circuit board and electronics mounted on the circuit board claim 1 , and wherein the housing is sized to cover the entire circuit board and the entire coil.5. The irrigation control device of wherein the coil comprises a side and a total longitudinal length claim 1 , and wherein the control circuitry extends along the side and has a total longitudinal length no more than approximately twice the longitudinal length of the coil.6. The irrigation control device of further comprising a curable potting material disposed at least between the control circuitry and the coil and within the ...

AXIAL FLUX ELECTRICAL MACHINE BEARING MOUNT SYSTEM AND METHODS

An axial flux electrical machine includes a housing having a center portion with a cylindrical wall, a stator assembly attached to the housing, a bearing assembly attached to the stator assembly, and a rotor assembly rotatably attached to the bearing assembly. A bearing mount system includes a bearing isolator that is attached to the wall of the housing, and a bearing cup that is attached to the bearing assembly and the bearing isolator. 1. An axial flux electrical machine comprising:a housing comprising a center portion comprising a cylindrical wall;a stator assembly coupled to said housing;at least one bearing assembly coupled to said stator assembly;a rotor assembly rotatably coupled to said at least one bearing assembly; and a bearing isolator coupled to said cylindrical wall of said housing, and', 'a bearing cup coupled to said at least one bearing assembly and said bearing isolator., 'a bearing mount system comprising2. The axial flux electrical machine in accordance with claim 1 , wherein said bearing isolator is substantially ring-shaped and comprises a generally rectangular cross-section.3. The axial flux electrical machine in accordance with claim 1 , wherein said bearing isolator is fabricated from an isolation damping material.4. The axial flux electrical machine in accordance with claim 3 , wherein said isolation damping material comprises an elastomeric material having a Shore durometer in the range between about 20 A and about 90 A.5. The axial flux electrical machine in accordance with claim 1 , wherein said at least one bearing assembly comprises a first bearing assembly and a second bearing assembly claim 1 , said second bearing assembly comprising an inner ring and an outer ring.6. The axial flux electrical machine in accordance with claim 5 , wherein said first bearing assembly is coupled to said bearing cup claim 5 , and said second bearing assembly is coupled to said bearing isolator.7. The axial flux electrical machine in accordance with claim ...

CARBON FIBER STATOR AND ROTOR FOR AN ELECTRIC MOTOR

An electric motor includes a carbon fiber stator core having a plurality of longitudinal slots and poles arranged on an interior surface thereof, the stator core having a hollow central portion. A thin metallic sleeve is inserted into the stator core so as to mate with an interior surface of the stator core. An outer surface of the metallic sleeve corresponds in shape to the interior surface of the stator core. A carbon fiber rotor is suspended within the hollow central portion of the stator core. The carbon fiber rotor further includes inserts formed of ferromagnetic metals or permanent magnets. 1. An electric motor , comprising:a carbon fiber stator core having a plurality of longitudinal slots and poles arranged on an interior surface thereof, the stator core having a hollow central portion;a thin metallic sleeve inserted into the stator core so as to mate with an interior surface of the stator core, an outer surface of the metallic sleeve corresponding in shape to the interior surface of the stator core; and 'inserts formed of ferromagnetic metals or permanent magnets.', 'a carbon fiber rotor suspended within the hollow central portion of the stator core, the carbon fiber rotor further comprising2. A motor in accordance with claim 1 , further comprising:a plurality of t-bars corresponding in shape to the longitudinal slots of the carbon fiber stator, the t-bars configured to mate with and fit within the longitudinal slots and create a smooth interior surface of the stator.3. A method for forming an electrical motor having carbon fiber components comprising:providing a carbon fiber mesh sheet;rolling the carbon fiber mesh sheet into a carbon fiber cylinder;curing the carbon fiber cylinder to solidify the carbon fiber cylinder into a shape;cutting the carbon fiber cylinder to a desired length;removing a central portion of the carbon fiber cylinder to form a stator core having a plurality of stator poles and stator slots;inserting one or more metallic sleeves ...

ELECTRIC MACHINE STATOR SECURING METHOD

A vehicle including a movable element and an electric machine either driving or being driven by the movable element. The electric machine having first and second housing portions and a stator. The second housing portion is engaged with the first housing portion. The stator being coupled to the first housing portion and the second housing portion by way of compressive force applied to the stator by and between the first housing portion and the second housing portion. 1. A vehicle , comprising:a movable element; a first housing portion;', 'a second housing portion engaged with said first housing portion; and', 'a stator coupled to said first housing portion and said second housing portion by way of compressive force applied to said stator by and between said first housing portion and said second housing portion., 'an electric machine one of driving and being driven by said movable element, the electric machine including2. The vehicle of claim 1 , wherein said stator includes a plurality of laminations claim 1 , said compressive force being applied to a section of said laminations.3. The vehicle of claim 2 , wherein said section of said laminations is a radially outward portion of said laminations.4. The vehicle of claim 3 , wherein said compressive force is substantially in an axial direction.5. The vehicle of claim 4 , wherein said first housing portion extends substantially across said stator in said axial direction.6. The vehicle of claim 1 , wherein said stator does not have any element extending through said stator that secures said stator to said housing portions.7. The vehicle of claim 6 , wherein said electric machine is further comprised of at least one fastener coupled between said first housing portion and said second housing portion claim 6 , said at least one fastener supplying said compressive force to said stator by having a tensile force in said at least one fastener.8. The vehicle of claim 1 , wherein said electric machine further comprising a fluidic ...

HIGH VOLTAGE BUSHING CONNECTION AND MAINTENANCE

A method of maintaining a high voltage bushing can comprise inspecting a high voltage bushing connection, the high voltage bushing connection comprising a tubular lead, a lower stud connector, and the high voltage bushing. A method of maintaining a high voltage bushing can also comprise restoring the high voltage bushing connection, which can further comprise applying conductive material to at least one of a mating portion of a tubular lead and a mating portion of a high voltage bushing, machining an outside diameter of at least one of the mating portion or the tubular lead and the mating portion of the high voltage bushing to a predetermined outer diameter, and machining a mating portion of a lower stud connector to a predetermined inner diameter. A high voltage bushing connection can comprise a restored mating portion of a tubular connector and a restored lower stud connector. 1. A method of maintaining a high voltage bushing , the method comprising:inspecting a high voltage bushing connection, the high voltage bushing connection comprising a tubular lead, a lower stud connector, and the high voltage bushing.2. The method as recited in claim 1 , wherein the method further comprises:restoring at least one of the tubular lead, the lower stud connector, and the high voltage bushing.3. The method as recited in claim 1 , wherein the method further comprises:disassembling the high voltage bushing connection; andreassembling the high voltage bushing connection.4. The method as recited in claim 1 , wherein inspecting the high voltage bushing connection comprises visually inspecting at least one of a mating portion of the tubular lead claim 1 , a mating portion of the lower stud connector claim 1 , and a mating portion of the high voltage bushing.5. The method as recited in claim 1 , wherein inspecting the high voltage bushing connection comprises checking a contact surface of at least one of a mating portion of the tubular lead claim 1 , a mating portion of the lower stud ...

METHOD AND SYSTEM FOR REPAIRING OR SERVICING A WYE RING

A method for repairing or servicing a wye ring of a generator includes the steps of, dismantling the generator to gain access to the wye ring, determining a fault location in the wye ring; and attaching a patch to the wye ring in an area of the fault location. The patch provides an electrical path around the fault location so that the generator is repaired. 1. A method for repairing or servicing a wye ring of a generator , the method comprising the steps of:dismantling the generator to gain access to the wye ring;determining a fault location in the wye ring; andattaching a patch to the wye ring in a fault location area, the patch providing an electrical path around the fault location.2. The method of claim 1 , further comprising:performing the method on the generator in-situ.3. The method of claim 1 , further comprising:rebalancing the generator.4. The method of claim 1 , the determining step further comprising at least one of:removing insulation from portions of the wye ring to enable visual identification of the fault location; orelectrically testing the wye ring to determine the fault location.5. The method of claim 1 , the attaching step further comprising:attaching the patch by at least one of, soldering, brazing, electrically conductive adhesive, or mechanical joining.6. The method of claim 1 , further comprising:hollowing out a concavity in the wye ring in the fault location area;wherein the concavity prevents crack propagation into the patch by formation of a barrier region.7. The method of claim 1 , wherein the patch has a patch end shaped in at least one of the following shapes:rectangular, diagonal, rounded, elliptical, triangular or semi-rounded.8. The method of claim 1 , wherein the patch is applied to a radially inner surface of the wye ring.9. The method of claim 1 , further comprising:attaching an insulating cuff to the wye ring.10. The method of claim 9 , wherein the cuff is attached to the wye ring with adhesive claim 9 , and the cuff is ...

A METHOD FOR REPAIRING AN ELECTRIC GENERATOR

The invention relates to a method for repairing an electric generator, preferably in a wind turbine generator (WTG), the electric generator () having a stator and a rotor () rotatably mounted relative to the stator. The method of repairing the electric generator provides a rotor connecting ring () with a first conductor assembly and a second conductor assembly in two different planes, each assembly with a plurality of conductive arc segments. Each of the first and the second plurality of conductive arc segments form a ring-like shape in their respective plane, both ring-like shapes being concentrical to the central shaft () when the rotor connecting ring is mounted. First electrical connections () from the central shaft connect to the rotor connecting ring for the multiple phases (K,L,M). Second electrical connections () further connect from the rotor connecting ring to the respective windings of the multiple phases (K,L,M) on the exterior part of the rotor facing the stator. The rotor connecting ring enhances rotational and thermal stability of the electric generator. 1. A method for repairing an electric generator , preferably in a wind turbine generator , the electric generator comprising:a stator having windings that form multiple stator phases, anda rotor being rotatably mounted relative to the stator in the electric generator, the rotor having windings forming multiple rotor phases on the exterior part of the rotor facing the stator, the rotor having electrical pathways through a central shaft and outwards to the multiple phases,the method of repairing the electric generator comprising:providing a rotor connecting ring, the rotor connecting ring comprises a first conductor assembly and a second conductor assembly in two different planes, the first conductor assembly and the second conductor assembly having a first plurality and a second plurality, respectively, of conductive arc segments, each of the first and the second plurality of conductive arc segments ...

Generator Motor Wedge With Wide Arm Span and Reduced Stress Levels

A wedge for use in an electric machine has a central leg and arms extending in both circumferential directions. The wedge has a radially outer full surface defining a cylindrical aperture through an axial length, and ledge surfaces at each axial end of the full surface. A curved merging portion on an outer surface of the arms merges into a curved contact surface. A rotor, a machine and a method are also disclosed.

Method of manufacturing an induction rotor

A method for manufacturing an induction rotor includes placing a lamination stack into a fixture in which the first end of the lamination stack is rotated in an opposite rotational direction from the second end of the lamination stack to skew the conduction bars to an angle α. Vertical members are fixed to an outer perimeter of each of the plurality of laminates of the lamination stack. Hoop members are fixed to each of the plurality of vertical members and an outer edge of each of the plurality of conduction bars. A conduction ring is fixed on each of the ends of the lamination stack. An outer perimeter of the lamination stack is machined to remove the plurality of vertical members and the plurality of hoop members from the lamination stack.

BLOWER MOTOR FOR HVAC SYSTEMS

A blower motor assembly having a variable speed motor that is suitable for replacing a PSC motor in a residential HVAC (heating, ventilation, and air conditioning) system. The blower motor assembly includes a variable speed motor and motor controller; a first power input for receiving a plurality of AC power signals from a control device for use in determining an operating parameter for the motor; and a second power input for receiving AC power from an AC power source for powering the motor controller even when no AC power signals are received by the first power input. 1. A method of replacing a permanent split capacitor motor with a variable speed motor assembly including a variable speed motor , the method comprising:removing the permanent split capacitor motor;connecting speed/tap selection wires from a furnace control board to a sensing circuit of the variable speed motor assembly; andconnecting an AC power line to a rectifier circuit of the variable speed motor assembly for powering the variable speed motor independently of the furnace control board.2. The method of claim 1 , wherein the speed/tap selection wires are used for determining a speed setting of the variable speed motor.3. The method of claim 2 , further comprising:programming speed characteristics directly into a motor controller of the variable speed motor independently of any speed settings provided by the furnace control board.4. The method of claim 2 , further comprising:programming start delays directly into a motor controller of the variable speed motor independently of any speed settings provided by the furnace control board.5. The method of claim 2 , further comprising:programming stop delays directly into a motor controller of the variable speed motor independently of any speed settings provided by the furnace control board.6. The method of claim 2 , further comprising:programming start ramp-ups directly into a motor controller of the variable speed motor independently of any speed settings ...

METHOD OF REMOVING COATING LAYER OF COIL WIRING

A method of removing an insulating coating layer of coil wiring includes: a fragmentation step in which a line-shaped region of the insulating coating layer, which separates a removal-planned portion and a remain-planned portion of the insulating coating layer, is removed; a laser irradiation step in which laser light which transmits through the insulating coating layer but which is absorbed by a coil wiring is irradiated from a side of an outer surface of the removal-planned portion toward a boundary of the coil wiring with the insulating coating layer, to carbonize a boundary portion between the insulating coating layer and the coil wiring of the removal-planned portion by generation of heat of the coil wiring; and a coating turn-over step in which air is blown onto the removal-planned portion to turn over and blow off the removal-planned portion. 1. A method of removing an insulating coating layer which is in close contact with a coil wiring , comprising:a fragmentation step in which a line-shaped region of the insulating coating layer, which separates a removal-planned portion and a remain-planned portion of the insulating coating layer, is removed;a laser irradiation step in which laser light which transmits through the insulating coating layer but which is absorbed by the coil wiring is irradiated from a side of an outer surface of the removal-planned portion toward a boundary of the coil wiring with the insulating coating layer, to carbonize a boundary portion between the insulating coating layer and the coil wiring of the removal-planned portion by generation of heat of the coil wiring; anda coating turn-over step in which air is blown onto the removal-planned portion to turn over and blow off the removal-planned portion.2. The method of removing the coating layer of the coil wiring according to claim 1 , whereinin the fragmentation step, the line-shaped region of the insulating coating layer is removed by irradiation of laser light, anda scanning velocity ...

FASTENING ASSEMBLY FOR ELECTRIC MACHINE AND RECTIFIER THEREFOR

A method of assembling a rotating rectifier having multiple radially spaced bus bars with a corresponding fastener to an electrical machine having at least one machine with a stator and a rotor mounted on a rotating shaft, the method includes inserting the rotating rectifier into a hollow portion of the rotating shaft, axially aligning the fasteners with a corresponding radial opening in the rotating shaft, inhibiting an inward radial movement of the fasteners by inserting an inhibiting tool into an interior defined by the multiple radially spaced bus bars, and at least partially securing the fasteners to a corresponding fastener on at least one of the rotor and rotating shaft while the inhibiting tool resides in the interior. 1. A method of assembling a rotating rectifier having multiple radially spaced bus bars with a corresponding fastener to an electrical machine having at least one machine with a stator and a rotor mounted on a rotating shaft , the method comprising:inserting the rotating rectifier into a hollow portion of the rotating shaft;axially aligning the fasteners with at least one corresponding radial openings in the rotating shaft;inhibiting an inward radial movement of the fasteners by inserting an inhibiting tool into an interior defined by the multiple radially spaced bus bars; andat least partially securing the fasteners to a corresponding fastener on at least one of the rotor and rotating shaft while the inhibiting tool resides in the interior.2. The method of wherein the inhibiting the inward radial movement of the fasteners comprises one of urging at least a portion of at least some of the fasteners toward the corresponding radial opening and simultaneously urging all of the fasteners toward the corresponding radial openings.3. The method of wherein the urging the fasteners toward the radial openings comprises biasing at least some of the bus bars toward the corresponding radial openings.4. The method of wherein the inserting of the inhibiting ...

LINEAR VIBRATOR AND PRODUCTION METHOD THEREFOR

Disclosed herein is a vibration generator which is used to embody vibration for signal reception indication or a haptic function of wireless communication devices such as mobile phones. The vibration generator includes a casing which has a space therein, a stator which is provided in the casing and is provided with a coil along which current flows, a vibrator which is provided in the casing and is horizontally moved by electromagnetic force, an elastic body which is fixed at a first end thereof to the casing and fixed at a second end thereof to the vibrator, and a residual vibration reducer which is provided between the vibrator and the casing to absorb vibration of the vibrator. Therefore, after the vibration of the vibrator is stopped, the time it takes to stop movement of the vibrator can be markedly reduced. 1. A vibration generator , comprising:a casing having a space therein;a stator provided in the casing, the stator comprising a coil along which current flows;a vibrator provided in the casing and facing the stator, the vibrator being horizontally moved by electromagnetic force;an elastic body fixed at a first end thereof to the casing and fixed at a second end thereof to the vibrator; anda residual vibration reducer provided between the vibrator and the casing, the residual vibration reducer absorbing vibration of the vibrator.2. A vibration generator , comprising:a casing having a space therein;a stator provided in the casing, the stator comprising a coil along which current flows;a vibrator provided in the casing and facing the stator, the vibrator being horizontally moved by electromagnetic force;an elastic body fixed at a first end thereof to the casing and fixed at a second end thereof to the vibrator; anda coil stopper limiting movement of the coil and protecting the coil from the vibrator.3. A vibration generator , comprising:a casing having a space therein;a stator provided in the casing, the stator comprising a coil along which current flows;a ...

Method and System for Handling a Rotary Machine

A method and system for handling a rotor and a stator of a rotary machine employs a frame and a carriage. The carriage rides on and is guided by a parallel pair of tracks that extend away from the frame. The frame and tracks both rest on a horizontal surface. The stator can be placed on the carriage and the frame can be used to provide support to the rotor. A force may be applied between the rotor and stator in a direction to move the carriage relative to the frame.

Brushless Motor with Modular Position Sensor

A brushless DC motor is provided. The brushless DC motor comprises a motor housing around an axis, a stator assembly inside the motor housing, a carrier plate fixed relative to the stator assembly, and a Hall effect sensor assembly removably coupled to the carrier plate. A method of making a brushless DC motor is also provided comprising fixing a carrier plate relative to a stator assembly of a brushless DC motor assembly, and fixing a first Hall effect sensor array to the carrier plate. 1. A brushless DC motor , comprising:a motor housing disposed around an axis;a stator assembly inside the motor housing;a carrier plate fixed relative to the stator assembly; anda Hall effect sensor assembly removably coupled to the carrier plate.2. The brushless DC motor of claim 1 , further comprising a motor end frame assembly configured to axially fix the Hall effect sensor assembly.3. The brushless DC motor of claim 1 , further comprising a plurality of Hall effect sensor modules fixedly coupled to the Hall effect sensor assembly.4. The brushless DC motor of claim 1 , wherein the motor housing comprises a shoulder configured to axially locate the carrier plate.5. The brushless DC motor of claim 1 , wherein the stator assembly further comprises an overmolding with a tapered surface configured to radially locate the Hall effect sensor assembly.6. The brushless DC motor of claim 1 , wherein the Hall effect sensor assembly further comprises a tab to angularly locate the Hall effect sensor assembly.7. The brushless DC motor of claim 6 , wherein the carrier plate further comprises a groove configured to receive the tab.8. The brushless DC motor of claim 1 , wherein the Hall effect sensor assembly is removably coupled to the carrier plate by a first fastening mechanism.9. The brushless DC motor of claim 8 , wherein the carrier plate is fixed relative to the stator assembly by a second fastening mechanism.10. The brushless DC motor of claim 1 , further comprising a motor shaft assembly ...

SENSOR WITH ENERGY-HARVESTING DEVICE

A method of fabricating a device includes forming a moveable plate over a substrate, and forming an energy harvesting coil in the moveable plate. The method further includes forming at least one connector connecting the movable plate with the energy harvesting coil, wherein a portion of the energy harvesting coil extends along the at least one connector. The method further includes forming electrodes around the moveable plate, the electrodes adapted to sense motion of the moveable plate. 1. A method of fabricating a device comprising:forming a moveable plate over a substrate;forming an energy harvesting coil in the moveable plate;forming at least one connector connecting the movable plate with the energy harvesting coil, wherein a portion of the energy harvesting coil extends along the at least one connector; andforming electrodes around the moveable plate, the electrodes adapted to sense motion of the moveable plate.2. The method of claim 1 , further comprising:forming at least one spring or hinge to attach the moveable plate to the substrate; andforming wiring connecting the energy-harvesting coil to at least one of a bond pad or a control circuit formed on the substrate.3. The method of claim 1 , wherein forming the moveable plate comprises fusion bonding a silicon wafer to the substrate.4. The method of claim 3 , wherein fusion bonding the silicon wafer comprises depositing an oxide layer over the substrate and fusion bonding the silicon wafer to the oxide layer.5. The method of claim 3 , wherein forming the movable plate further comprises reducing a thickness of the fusion bonded silicon wafer.6. The method of claim 1 , wherein forming the movable plate comprises forming a polysilicon layer over the substrate.7. A method of fabricating energy harvesting device claim 1 , the method comprising:bonding a silicon wafer to a substrate;patterning the bonded silicon wafer to form a moveable plate;patterning the bonded silicon wafer to form an energy harvesting coil; ...

ELECTRIC MACHINE WITH HOUSING SEGMENTS AND STATOR SEGMENTS

In summary, the invention relates to an electric machine having a housing, a stator which is arranged in the housing and a rotatable rotor arranged inside the stator, wherein the housing comprises at least two housing segments, and the stator comprises at least two stator segments, and a method for manufacturing such a machine. In order to provide an electric machine which has favourable transportation and installation properties together with a high output power and permits a precisely adjustable air gap to be made available despite customary fabrication tolerances of its components, it is proposed that it be possible to secure each of the stator segments individually to one of the housing segments by means of, in each case, at least one mechanically detachable connection. 19.-. (canceled)10. An electric machine , comprising:a housing having at least two housing segments;a stator disposed in the housing and having a plurality of stator segments;a rotatable rotor disposed inside the stator; anda mechanically releasable connection configured to individually fix the stator segments to the housing segments.11. The electric machine of claim 10 , wherein at least two of the plurality of stator segments are fixed to one of the housing segments.12. The electric machine of claim 10 , wherein the connection is configured to allow adjustment of an air gap between the stator segments and the rotor to correspond to a predefinable air gap for each of the stator segments.13. The electric machine of claim 10 , wherein each of the stator segments comprises at least two windings which are part of an overall stator winding.14. The electric machine of claim 10 , constructed to have an output of more than 10 MW.15. A mill claim 10 , comprising an electric machine which includes a housing having at least two housing segments claim 10 , a stator disposed in the housing and having a plurality of stator segments claim 10 , a rotatable rotor disposed inside the stator claim 10 , and a ...

Segmented Magnetic Core

Various embodiments associated with a segmented magnetic core are described. The segmented magnetic core can be made up of multiple singular structures so as to allow an individual singular structure to be removed with ease and without disturbing another magnetic core. This modular core design allows for a significant reduction in motor housing weight due to compatibility of the design with lightweight materials and the potential absence of extensive housing when so designed. This modular core design can be incorporated into a motor or a generator and this modular core design can be accomplished, in one example, by way of stacking and/or interlocking employing low cost assembly. In one example, a motor or a generator uses sensors to detect an operational failure in a magnetic core, notifying a user early of the failure. 1. A system , comprising:a first singular structure comprising a first member and a second member; anda second singular structure comprising a third member and a fourth member,where the first member and the second member intersect at an angle less than 180 degrees,where the third member and the fourth member intersect at an angle less than 180 degrees,where the first member and the third member are configured to align together to form part of a magnetic core andwhere the first member and the third member are configured to be at least partially surrounded by a coil to convert an energy.2. The system of claim 1 ,where the first member and the third member individually have a first thickness,where the second member and the fourth member individually have a second thickness,where the second thickness is about twice the first thickness, andwhere the first member and the third member are configured to stack with one another to create the magnetic core such that the magnetic core has about a uniform thickness.3. The system of claim 2 , comprising:a first fastener; anda second fastener,where the first fastener is inserted substantially perpendicularly ...

ELECTRIC MACHINE AND A METHOD OF CONSTRUCTING A COMMUTATOR FOR AN ELECTRIC MACHINE

An electric machine and a method of forming a commutator for an electric machine includes forming a commutator assembly including a plurality of commutator bar members linked through a corresponding plurality of bridge elements, rolling the commutator assembly into a commutator form having a substantially continuous, uninterrupted, outer surface, introducing an internal support member that receives an end portion of each of the plurality of commutator bar members into an inner diameter of the commutator form, and separating the plurality of commutator bar members by removing each of the plurality of bridge elements creating a discontinuous outer surface. 1. A method of constructing a commutator for an electric machine , the method comprising:forming a one-piece commutator assembly including a plurality of commutator bar members linked through a corresponding plurality of bridge elements;rolling the one-piece commutator assembly into a commutator form having a substantially continuous, uninterrupted, outer surface;introducing an internal support member that receives an end portion of each of the plurality of commutator bar members into an inner diameter of the commutator form; andseparating the plurality of commutator bar members by removing each of the plurality of bridge elements creating a discontinuous outer surface.2. The method of claim 1 , wherein introducing the internal support includes molding the internal support about the end portion of each of the plurality of commutator bar members.3. The method of claim 1 , further comprising claim 1 , forming a circumferential notch in the commutator form.4. The method of claim 3 , wherein forming the circumferential notch in the commutator form includes forming the circumferential notch in the substantially continuous claim 3 , uninterrupted outer surface of the commutator form.5. The method of claim 4 , further comprising: wrapping the commutator form with a fiberglass tape.6. The method of claim 5 , wherein ...

ROTARY SOLENOID

In one of its aspects the technology disclosed herein concerns a process of making a rotary solenoid. In a generic mode, the process comprises fitting together two mating core half members (A, B) of a stator until two respective pole faces (A, B) of the two mating core half members (A, B) press to a positive stop against a precision diameter pin positioned between the two mating core half members and so that the two mating core half members interlock at the positive stop. The process further comprises removing the precision diameter pin to provide an axially extending space comprising a predetermined distance between the two respective pole faces (A, B). The process further comprises inserting a rotor () within the axially extending space. The process further comprises fitting the two mating core half members (A, B) and the rotor () between the two opposing end caps (). The act of fitting the two mating core half members and the rotor between the two opposing end caps preferably comprises aligning the two pole faces (A, B) with pole face alignment features provided on the two opposing end caps whereby the two pole faces are retained at a predetermined position relative to the rotor. 1. A process of fabricating a rotary solenoid comprising:fitting together two mating core half members of a stator until two respective pole faces of the two mating core half members press to a positive stop against a precision diameter pin positioned between the two mating core half members and so that the two mating core half members interlock at the positive stop;removing the precision diameter pin to provide an axially extending space comprising a predetermined distance between the two respective pole faces;inserting a rotor within the axially extending space;fitting the two mating core half members and the rotor between the two opposing end caps.2. The process of claim 1 , further comprising aligning the two pole faces with pole face alignment features provided on the two opposing ...

METHOD OF MOUNTING ATTACHMENT PARTS TO AN ELECTRIC MACHINE

In a method of mounting attachment parts to an electric machine, a rotor of the electric machine is non-rotatably supported in a bearing device. A stator of the electric machine is detachably secured in a predefined first installation position by a clamping device, and a first attachment part is mounted to the stator. The clamping device is then released, and the electric machine is operated as motor for a time period sufficient for the stator to rotate in relation to the rotor until reaching a second installation position. The stator is secured by the clamping device in the second installation position, and a second attachment part is mounted to the stator. 1. A method of mounting attachment parts to an electric machine , said method comprising:non-rotatably supporting a rotor of the electric machine in a bearing device;detachably securing a stator of the electric machine in a predefined first installation position by a clamping device;mounting a first attachment part to the stator;releasing the clamping device;operating the electric machine as motor for a time period sufficient for the stator to rotate in relation to the rotor until reaching a second installation position;securing the stator by the clamping device in the second installation position; andmounting a second attachment part to the stator.2. The method of claim 1 , further comprising checking the electric machine for operativeness claim 1 , while the stator rotates about the rotor from the first installation position to the second installation position during operation of the electric machine.3. The method of claim 1 , further comprising detecting a position of the stator by position sensors of the electric machine.4. The method of claim 1 , further comprising detecting a position of the stator by position sensors located outside of the electric machine.5. The method of claim 1 , wherein the stator is secured by clamping a stator housing of the stator via the clamping device.6. The method of claim 1 , ...

Electromechanical Machine Bearing Replacement Jig

An electromechanical machine bearing replacement jig, which may be used for refurbishing machines such as motors and/or generators, comprises a housing that includes a bearing hanger configured to hold or support a bearing. A pusher pin is configured to physically interact with a shaft of the machine and an associated lever is configured to apply force to the shaft via the pusher pin while the bearing remains held by the bearing hanger, thus decoupling the two parts. The bearing replacement jig may also be used to attach a replacement bearing to an electromechanical machine by positioning a bearing in a bearing bed where it is held for mating with a shaft of the machine. The shaft is then guided into a mating position with the bearing and the lever pulled down to apply force to the shaft via the pusher pin, thereby forcing the shaft into coupling with the bearing. 1. A bearing replacement tool , comprising:a housing configured to house an electromechanical machine, said housing comprising a bearing hanger configured to hold a bearing;a pusher pin configured to physically interact with a shaft of said electromechanical machine; anda lever configured to apply force to said shaft via said pusher pin in order to disengage said bearing from said shaft.2. The electromechanical machine bearing replacement tool of claim 1 , said housing further comprising a bearing bed positioned at the bottom of said housing and configured to hold a bearing in position for mating with a shaft.3. The electromechanical machine bearing replacement tool of claim 2 , wherein said bearing bed is a recessed receptacle.4. The electromechanical machine bearing replacement tool of claim 1 , further comprising a pin height adjuster configured to secure the adjustable height of said pusher pin.5. The electromechanical machine bearing replacement tool of claim 1 , further comprising a lever adjuster configured to secure the adjustable stroke of said lever.6. The electromechanical machine bearing ...

ADAPTER FOR MOTOR REPLACEMENT AND MOTOR REPLACEMENT METHOD

An adapter for motor replacement includes fixing portions. The adapter has a shape of being placeable so as to be bridged between a housing that fixes a motor and a pulley that is fixed to the motor and transmits a rotary drive force via a belt and to avoid a space for removing the motor from the housing. The fixing portions are respectively fixed to the housing, to which the motor is fixed, and the pulley fixed to the motor. 1. An adapter for motor replacement comprising:a plurality of fixing portions,wherein the adaptor has a shape of being placeable so as to be bridged between a housing that fixes a motor and a pulley that is fixed to the motor and transmits a rotary drive force via a belt and to avoid a space for removing the motor from the housing, andthe plurality of fixing portions are respectively fixed to the housing, to which the motor is fixed, and the pulley fixed to the motor.2. The adapter for motor replacement according to claim 1 , wherein the plurality of fixing portions include a first through hole allowing passage of a bolt that is fastened into a threaded hole provided in the housing claim 1 , and a second through hole that allows passage of a bolt that is fastened into a threaded hole provided in the pulley.3. The adapter for motor replacement according to claim 1 , further comprisingan opening that enables access for a fastener fixing the pulley to the motor in a state where the adapter is bridged and fixed between the housing and the pulley.4. The adapter for motor replacement according to claim 1 , further comprising:a housing cover having a shape of being placeable so as to be fixed to the housing such that a space for housing the pulley is sealed and to avoid a space for removing the motor from the housing; anda sleeve that is inserted into a third through hole provided in the housing cover and includes a first abutting surface that abuts on a surface of the pulley and a second abutting surface that abuts on a surface of the housing cover, ...

METHOD AND APPARATUS FOR REMOVAL AND REPLACEMENT OF A WOUND STATOR CORE

Removing a generator core () from a frame () includes removing electrical and mechanical connections between the core and components external to the frame; installing a lift support assembly () outboard of the core at each of an exciter end and a turbine end of the frame; installing a pilot shaft support assembly () between an inner surface of a core bore (D) and an outer surface (A) of a pilot shaft () at each of the exciter end and the turbine end of the frame; installing the pilot shaft through the first and second pilot shaft support assemblies and the core bore, the pilot shaft supported by the lift support assembly at the exciter end and the turbine end; decoupling the core and the frame; and activating a force-producing device () to slide the core out of the frame. 1. A method for removing a generator core , with windings , from a generator frame , the method comprising:removing electrical and mechanical connections between the core and components external to the frame;installing a lift support assembly outboard of the core at each of an exciter end and a turbine end of the frame;installing a pilot shaft support assembly between an inner surface of a core bore and an outer surface of a pilot shaft at each of the exciter end and the turbine end of the frame;installing the pilot shaft through the first and second pilot shaft support assemblies and the core bore, the pilot shaft supported by the lift support assembly at the exciter end and the turbine end;decoupling the core and the frame; andactivating an axial force-producing device to exert an outwardly directed force on the core to slide the core on the pilot shaft and out of the frame.2. The method of further comprising vertically raising the frame to allow withdrawal of the core from the frame.3. The method of wherein each lift support assembly comprises a vertically adjustable upper surface for raising or lowering the pilot shaft.4. The method of each lift support assembly further comprising a lift ...

SYSTEM FOR CENTERING WYE RING IN-SITU

A wye ring centering system is provided. The system includes a plurality of rollers configured for contacting a wye ring, and a plurality of mounting fasteners configured for supporting the plurality of rollers. Each of the mounting fasteners is configured to pass through a fan hub. The plurality of rollers and the plurality of mounting fasteners are distributed at substantially equal intervals around the fan hub. The wye ring is placed over the plurality of rollers to center the wye ring around a shaft. 1. A wye ring centering system , the system comprising:a plurality of rollers configured for contacting a wye ring;a plurality of mounting fasteners configured for supporting the plurality of rollers, each of the mounting fasteners configured to pass through a fan hub;wherein, the plurality of rollers and the plurality of mounting fasteners are distributed at substantially equal intervals around the fan hub, and the wye ring is placed over the plurality of rollers to center the wye ring around a shaft, wherein the wye ring centering system is installed on a wind turbine generator in-situ.2. The wye ring centering system of claim 1 , wherein the wye ring centering system is installed on a wind turbine generator in-situ.3. The wye ring centering system of claim 1 , wherein each of the plurality of rollers are attached to fan hub legs and spaced about 120 degrees apart claim 1 , each of the plurality of rollers are mounted on a non-threaded portion of each of the plurality of mounting fasteners.4. The wye ring centering system of claim 1 , each of the plurality of rollers further comprising:a ridge located adjacent to a valley or a land, the valley or the land having a width configured to be approximately the same width as the wye ring, the ridge configured for temporarily retaining the wye ring on the plurality of rollers.5. The wye ring centering system of claim 4 , each of the plurality of rollers further comprising:an undercut formed at the intersection of the ...

Squirrel-cage rotor and method for producing a squirrel-cage rotor

The invention relates to a squirrel-cage rotor ( 1 ) having a shaft ( 2 ), a rotor plate stack ( 3 ) with rotor bars ( 4 ) arranged in the interior thereof, and cage rings ( 5 ), wherein at least one part of a cage ring ( 5 ) is comprised of a disk stack ( 7 ), which is constituted as a layered structure of disks ( 6 ) with cut-outs ( 63 ), through which the ends of the rotor bars ( 4 ) project out of the rotor plate stack ( 3 ). Adjoining disks ( 6 ) in the disk stack ( 7 ) are mutually spaced, and form a gap. The clearance between two adjoining disks ( 6 ), resulting from the gap, is constituted by moldings ( 61 ) which are arranged on the disks ( 6 ) wherein, in the gap ( 8 ), at least in the region of the moldings ( 61 ), a joint connection ( 9 ) is provided. The invention further relates to a method for producing a squirrel-cage rotor.

Method and System for Handling a Rotary Machine

A method and system for handling a rotor and a stator of a rotary machine employs a frame and a carriage The carriage rides on and is guided by a parallel pair of tracks that extend away from the frame. The frame and tracks both rest on a horizontal surface. The stator can be placed on the carriage and the frame can be used to provide support to the rotor. A force may be applied between the rotor and stator in a direction to move the carriage relative to the frame. 1. A method for handling a rotor and a stator of a rotary machine , the method employing a frame and a carriage , the method comprising the steps of:placing the stator on the carriage,using the frame to provide support to the rotor, andapplying a force between the rotor and stator in a direction to move the carriage relative to the frame2. A method according to wherein the step of using the frame to provide support to the rotor is performed byapplying an upward force at a first location at the rotary machine to lift the rotor; andapplying a force at a second location spaced from the first location in order to apply a moment to the rotor tending to upwardly bias portions of the rotor spaced inwardly from the first location3. A method according to wherein the step of using the frame to provide support to the rotor is performed by:applying an upward force at a first location at the rotary machine to lift the rotor; andapplying a downward force at a second location spaced outwardly from the first location in order to apply a moment to the rotor tending to upwardly bias portions of the rotor spaced inwardly from the first location.4. A method according to wherein the step of applying an upward force is performed by:attaching a plate at the first location, andrunning a line down from the frame to attach to the plate5. A method according to employing a first and a second brace claim 2 , the method comprising the steps ofattaching the first brace at a remote end of the stator furthest from the frame;placing the ...

Rotating rectifier assembly and method

A rectifier assembly and method are provided. The rectifier assembly includes a cover comprising a flange having an annular channel extending around an outer circumference of the flange, an annular bus bar, an insulator ring, and an outer housing for receiving the insulator ring, the annular bus bar and the outer housing. A snap ring is positioned within the annular channel of the outer circumference of the flange, wherein an outer circumference of the snap ring is located within a snap ring retention channel located around an inner diameter of the outer housing to retain the cover, the annular bus bar, and the insulator ring within the outer housing.

METHOD FOR PRODUCING A MACHINE COMPONENT FOR AN ELECTRICAL MACHINE, MACHINE COMPONENT AND ELECTRICAL MACHINE

The invention relates to a method for producing a machine component () for an electrical machine, wherein the machine component () is formed with a magnetically conductive material, in which one or more magnetically non-conductive separating regions () are provided, wherein the separating region () is formed by the introduction of austenite-forming material during a melting process of the magnetically conductive material of the machine component (), such that an austenitic structure is formed in the magnetically conductive material of the machine component (). 11. A method for producing a machine component () for an electrical machine , the method comprising{'b': 1', '4, 'forming the machine component () with a magnetically permeable material in which one or more magnetically impermeable separating regions () are provided, and'}{'b': 4', '1', '1, 'forming the separating region () by introducing austenite-forming material during a melting process of the magnetically permeable material of the machine component (), so that an austenitic structure is formed in the magnetically permeable material of the machine component ().'}251541. The method as claimed in claim 1 , wherein the austenite-forming material is introduced by applying a doping element () to or in a separating region during or before the melting process of the magnetically permeable material of the machine component () claim 1 , wherein the doping element () contains one or more substances which form an austenitic structure in the separating region () during the melting process of the magnetically permeable material of the machine component ().354. The method as claimed in claim 2 , wherein the doping element () which is applied to the separating region () is in the form of one of a strip claim 2 , a tape claim 2 , a wire or a powder.453613651. The method as claimed in claim 2 , wherein the doping element () is applied in or to a boundary region between opposite edges () of the machine component () claim 2 , ...

ADDITIVE AMORTISSEUR CIRCUIT

A method of manufacturing a rotor of an electric motor or an electric generator includes positioning a plurality of amortisseur bars and using additive manufacturing to place electrically conductive material. More specifically, positioning the amortisseur bars may include circumferentially positioning the bars around a rotor stack and using additive manufacturing to place electrically conductive material may include forming a non-solid pattern of electrically conductive material, such as a pattern of electrically conductive traces, across opposite axial ends of the rotor stack to electrically interconnect an amortisseur circuit. 1. A method of manufacturing a rotor for an electric motor or an electric generator , the method comprising:positioning a plurality of amortisseur bars circumferentially around a rotor stack, wherein the plurality of amortisseur bars extend between a first axial end of the rotor stack and a second axial end of the rotor stack opposite the first axial end; andadditively manufacturing electrically conductive material on the first axial end and the second axial end of the rotor stack; andelectrically interconnecting the plurality of amortisseur bars together via the electrically conductive material to form an amortisseur circuit.2. The method of claim 1 , wherein additively manufacturing the electrically conductive material is performed after positioning the plurality of amortisseur bars.3. The method of claim 1 , wherein positioning the plurality of amortisseur bars is performed after additively manufacturing the electrically conductive material.4. The method of claim 1 , wherein positioning the plurality of amortisseur bars comprises additively manufacturing the amortisseur bars.5. The method of claim 1 , wherein additively manufacturing the electrically conductive material comprises forming a pattern of electrically conductive traces.6. The method of claim 5 , wherein the pattern comprises a plurality of radially extending traces.7. The ...

MOTOR HOUSING REMOVAL ASSEMBLY AND METHOD OF REMOVING A MOTOR HOUSING

A motor housing removal assembly comprises an extension defining a plurality of surface features on at least one side, an adjustment member comprising, a support member configured to couple to and move relative to the extension, an engagement element moveably coupled to the support member and configured to engage the extension to define a locked position preventing the support member from moving relative to the extension, a base portion coupled to the support member, and a plurality of pry members each comprising a first end coupled to the base and comprising a first thickness, and a second end opposing the first end and comprising a second thickness. A holder is fixedly coupled to an end of the extension and configured to hold at least a portion of a motor housing. 1. A motor housing removal assembly comprising:a track defining a plurality of surface features on at least one side; a support configured to couple to and move relative to the track,', 'an engagement element moveably coupled to the support and configured to engage one or more of the plurality of surface features of the track to define a locked position preventing the support from moving relative to the track,', 'a base coupled to the support, and', 'a plurality of pry members each comprising a first end coupled to the base and comprising a first thickness and a second end opposing the first end and comprising a second thickness, wherein the first thickness is greater than the second thickness;, 'a first adjustment member comprising,'} an actuator, and', 'a driver coupled to the actuator at one end and to the base at an opposing end, wherein movement of the actuator is configured to move the base relative to the support; and, 'a second adjustment member comprising,'} a first surface extending along a first plane, and', 'a second surface spaced apart from the first surface and extending along a second plane, wherein a gap is defined between the first and second surfaces configured to hold at least a ...

ROTOR ASSEMBLY WITH PERMANENT MAGNETS AND METHOD OF MANUFACTURE

A permanent magnet rotor assembly comprises a cylindrically shaped shaft having an outer surface, a plurality of permanent magnets constituting portions of annular segments and an outer retaining cylindrical sleeve surrounding the plurality of permanent magnets. The assembly further comprises a cylindrical magnet housing mounted on the cylindrically shaped shaft for supporting the plurality of permanent magnets. The cylindrical magnet housing is formed of a magnetic material. The retaining cylindrical sleeve is preloaded by a resultant interference fit IF2 which is defined by the following formula: 1. A permanent magnet rotor assembly having a longitudinal axis of rotation X′-X , first and second ends and at least two poles , comprising a cylindrically shaped shaft having an outer surface extending in the direction of the longitudinal axis X′-X , a plurality of permanent magnets constituting portions of annular segments and extending in the direction of the longitudinal axis X-X′ and an outer retaining cylindrical sleeve surrounding the plurality of permanent magnets , comprising:{'b': '2', 'claim-text': {'br': None, 'i': IF', 'Y', 'Y+IF', 'Ŷ', 'X̂, '2=−Ø+√{square root over (((Ø1)̂2+Ø2−Ø2))}.'}, 'a cylindrical magnet housing mounted on the cylindrically shaped shaft for supporting the plurality of permanent magnets, the cylindrical magnet housing being formed of a magnetic material and in that the retaining cylindrical sleeve is preloaded by a resultant interference fit IF which is defined by the following formulawhere ΦY is an external diameter of the plurality of permanent magnets,{'b': '1', 'ΦX is an internal diameter of the cylindrical magnet housing, and IF is a primary interference fit between an external diameter of the cylindrically shaped shaft and the internal diameter of the cylindrical magnet housing.'}2. The permanent magnet rotor assembly according to claim 1 , wherein the cylindrical magnet housing is made of one piece comprising a cylindrical ...

REPAIR METHOD OF SPRING ASSEMBLIES IN A STATOR CORE

A spring bar assembly for connecting a stator core to a stator frame. The spring bar assembly includes an attachment member with a hole and a spring bar with a hole that aligns with the hole in the attachment member. A bolt passes through the hole in the attachment member and the hole in the spring bar, where the bolt is used to couple the attachment member to the spring bar. 1. A spring bar assembly for connecting a stator core to a stator frame , said spring assembly comprising:a U-plate that is affixed to a frame ring of the stator frame;an attachment member that is affixed to an outboard face of the U-plate, said attachment member including a hole therethrough;a spring bar with a hole that aligns with the hole in the attachment member; anda bolt that passes through the hole in the attachment member and the hole in the spring bar, wherein the bolt is used to couple the attachment member and the U-plate to the spring bar.2. The spring bar assembly according to wherein the U-plate is welded to an inner frame ring of the stator frame on one or more sides of the inner frame ring and at one or more locations on the inner frame ring.3. The spring bar assembly according to further comprising a spacer plate that occupies a gap between the spring bar and the attachment member claim 1 , said spacer plate transferring a clamping load of the bolt to the spring bar.4. The spring bar assembly according to further comprising a threaded backing plate that is located on a bottom side of the spring bar at a location that is opposite to the attachment member claim 1 , said backing plate including a threaded central hole that allows the bolt to be fastened to the backing plate when the bolt is tightened.5. The spring bar assembly according to wherein the attachment member is affixed to the U-plate such that a gap is created between a bottom surface of the attachment member and the U-plate claim 1 , said gap allowing for a fillet weld to be applied to all contact edges between the ...

SPRING ASSEMBLIES FOR SUPPORTING A STATOR CORE IN A STATOR FRAME

A spring bar that connects a stator core to a stator frame. The spring bar assembly includes an attachment member with a hole and a spring bar that tapers from a central region and that includes a hole at each end that aligns with the hole in the attachment member. A bolt passes through the hole in the attachment member and the hole in the spring bar, where the bolt is used to couple the attachment member to the spring bar. 1. A spring bar assembly that connects a stator core to a stator frame , said spring bar assembly comprising:an attachment member that is affixed to a frame ring of the stator frame, said attachment member including a hole therethrough;a spring bar with a widest cross-section in a central region, said spring bar tapering from the central region to each end portion of the spring bar, said spring bar further including a hole at each end that aligns with the hole in the attachment member; anda bolt that passes through the hole in the attachment member and the hole in one of the ends of the spring bar, wherein the bolt is used to couple the attachment member to the spring bar.2. The spring bar assembly according to further comprising a U-plate that is between the attachment member and the frame ring of the stator frame claim 1 , said U-plate affixed to both the frame ring and the attachment member.3. The spring bar assembly according to wherein the spring bar includes a geometry that distributes load to the stator frame.4. The spring bar assembly according to wherein the spring bar is made of a carbon steel alloy or similar material.5. The spring bar assembly according to wherein the spring bar is coupled to the stator core at a key bar interface.6. The spring bar assembly according to wherein the spring bars include a thicker cross-section in a radial direction at the end portions of the spring bar to provide sufficient threading for engaging the bolt.7. The spring bar assembly according to where the spring bar extends the length between frame rings ...

DEVICE WITH MAGNETIC COUPLER AND ELECTRIC TOOL ASSEMBLY HAVING SUCH A DEVICE

The present invention is concerned with a device for converting a rotating input motion into a modified output motion. The device has a magnetic coupler including a secondary magnet, a motion output member, and one, or at least a first, primary magnet. The magnetic or polarity profile of the first primary magnet and the magnetic or polarity profile of the secondary magnet are different. The device is configured such that rotating movement of the first primary magnet translates to a combination of rotating and oscillating movement of the motion output member. 1. A device for converting a rotating input motion into a modified output motion comprising:an electric motor with a rotatable shaft defining a rotation axis;at least one primary magnet connected to the rotatable shaft and configured to spin with the rotatable shaft in use at the rotation axis;a secondary magnet arranged between the at least one primary magnet and a modified motion output means for generating, in response to movement or change in magnetic field of the at least one primary magnet, a modified output motion to the modified motion output means;wherein the at least one primary magnet includes two ends defining north pole and south pole thereof, and the secondary magnet includes two ends defining north pole and south pole thereof, and the primary and secondary magnets have different magnetic profiles, whereby rotational movement of the at least one primary magnet causes change in magnetic field, resulting in the modified output motion of the modified motion output means;wherein the modified output motion is a combination of rotating motion and oscillating motion; andwherein the magnetic profile of the at least one primary magnet resembles two halves defining the north pole and the south pole of the at least one primary magnet.2. The device as claimed in claim 1 , comprising at least two permanent magnets claim 1 , the at least two permanent magnets include the at least one primary magnet and the ...

GENERATOR INSPECTION METHOD

In the present invention, the following are carried out: a shaft disconnecting step of disconnecting rotary machines that are respectively connected to both ends of a shaft of a generator; a gap forming step of forming a gap in a vertical direction between the generator and an installation stand; a pathway installing step of inserting into the gap a portion of a movement pathway member extending in a lateral direction which includes a horizontal direction component and a radial direction component of the shaft; a moving step of moving the generator in the lateral direction on the movement pathway member; and an inspecting step of inspecting the generator having undergone the moving step. 1. A generator inspection method of inspecting a generator in which rotary machines are respectively connected to both ends of a shaft , the method comprising:a shaft disconnecting step of disconnecting the rotary machines respectively connected to the ends of the shaft;a gap forming step of forming a gap, in a vertical direction, between an installation stand of the generator and the generator;a pathway installing step of inserting into the gap a portion of a movement pathway member extending in a lateral direction, the lateral direction including a horizontal direction component and a radial direction component of the shaft;a moving step of moving the generator in the lateral direction on the movement pathway member; andan inspecting step of inspecting the generator having undergone the moving step.2. The generator inspection method according to claim 1 , whereinfollowing the gap forming step and before the moving step, a roller arranging step is carried out to arrange a roller, which rolls in the lateral direction, between the movement pathway member and the generator.3. The generator inspection method according to claim 2 , whereinin the roller arranging step, a roller carriage is arranged, the roller carriage being provided with at least one roller and a base which has a ...

RADIAL BLOWER AIR GUIDE, SYSTEM, AND METHOD OF COOLING

A radial blower air guide includes a first end wall substantially circumscribing an end bracket of an electric motor. The air guide includes a second end wall spaced apart from the first end wall and has an inner periphery that circumscribes a periphery of the motor. The air guide includes an outer wall extending from an edge of the first end wall to an edge of the second end wall. The outer wall is formed from a thin curved plate and partially defines a ring-shaped chamber therebetween. The outer wall has an aperture defined therethrough. The air guide includes a baffle plate coupled to the inner periphery of the second end wall. The baffle plate extends a first width toward the first end wall and partially defines the chamber. The baffle plate is configured to deflect air to control the distribution of the airflow from the chamber.

Magnetic bearing, rotary apparatus comprising such a magnetic bearing and method for manufacturing such a magnetic bearing

A magnetic bearing, adapted to equip a rotary apparatus. The magnetic bearing comprises: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, and a sensor sub-assembly provided with at least three magnetic sensors associated with the actuator bobbins. At least one sub-assembly amidst the actuator sub-assembly and the sensor sub-assembly comprises at least three sectors mounted together. Each sector includes at least one actuator bobbin when the sector belongs to the actuator sub-assembly, or at least one magnetic sensor when the sector belongs to the sensor sub-assembly. The invention also concerns a rotary apparatus comprising such a magnetic bearing and a method for manufacturing such a magnetic bearing.

L-SHAPED SHEET METAL COOLING JACKET WITH BAFFLES AND INTEGRATED POWER ELECTRONICS

An electric machine includes a pair of substantially aligned sheet metal housing sections each including a substantially “L” shaped portion, at least one cooling channel being formed at an axial end between the two sections, and a plurality of power electronics components engaged with at least one of the housing sections adjacent the axial end cooling channel. An embodiment includes a stator, a pair of housing sections enclosing the stator, power electronics components positioned at an axial end of the electric machine for controlling operation of the electric machine, and a coolant flow path that includes a power electronics cooling channel formed at the axial end between the housing sections. A method includes forming an axial end cooling channel between two sheet metal housing sections, and positioning power electronics components at the axial end along the cooling channel, whereby heat from the electronics components is transferred to the cooling channel. 1. An electric machine , comprising:a pair of substantially aligned sheet metal housing sections each including a substantially “L” shaped portion, at least one cooling channel being formed at an axial end of the electric machine between the two sections; anda plurality of power electronics components engaged with at least one of the housing sections adjacent the axial end cooling channel.2. The electric machine of claim 1 , wherein at least one of the sections includes a plurality of baffles that project into the cooling channel.3. The electric machine of claim 1 , wherein the power electronics components are disposed on both axial sides of the cooling channel.4. The electric machine of claim 1 , wherein the cooling channel includes a plurality of interconnected cavities.5. The electric machine of claim 4 , wherein the electronics components include at least one module having a heat transfer surface claim 4 , and wherein the heat transfer surface is radially aligned with one of the cavities.6. The electric ...

ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME

A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. A control board is coupled to the inner surface, wherein the printed circuit board includes a first side, a second side and an edge located between the first side and the second side. The housing further includes a first circuit coupled to the first side which includes a plurality of first electrical components. Each first electrical component includes a tab extending beyond the edge. A second circuit is coupled to the second side and a fastener assembly is coupled to the tab and the inner surface. 1. A housing for enclosing electronics of a motor having an axis of rotation , said housing comprising:an end cap comprising an outer surface and an inner surface;a control board coupled to said inner surface and comprising a first side, a second side and an edge located between said first side and said second side;a first circuit coupled to said first side and comprising a plurality of first electrical components, each first electrical component comprising a tab extending beyond said edge;a second circuit coupled to said second side; anda fastener assembly coupled to said tab and said inner surface.2. The housing of claim 1 , further comprising a thermal pad coupled to said plurality of first electrical components and said inner surface.3. The housing of claim 1 , wherein said edge comprises an arcuate portion claim 1 , a first straight portion claim 1 , a second straight portion and a third straight portion.4. The housing of claim 3 , wherein said edge comprises a first end coupled to said first straight portion and a second end coupled to said second straight portion.5. The housing of claim 1 , wherein said fastener assembly comprises a clamp bar coupled to said tab and said inner surface.6. The housing of claim 5 , wherein said plurality of first electrical components comprises a pair of first electrical ...

Armature Assembly Apparatus

An armature assembly apparatus for assembling an armature of an electrical machine is provided. The armature assembly apparatus has an armature holding apparatus to hold a partially assembled armature such that a rotation axis of the armature is horizontal. The armature assembly apparatus has a rotating device for rotating the partially assembled armature about a rotation axis. The armature assembly apparatus also has a ring segment conveyance for conveying an armature ring segment to a mounting position relative to a free ring segment portion of the partially assembled armature. 1. An armature assembly apparatus for assembling an armature of an electrical machine , comprising:an armature holding apparatus for holding a partially assembled armature so that a rotation axis of the armature is horizontal;a rotating device for rotating the partially assembled armature about the rotation axis;an armature ring segment; anda ring segment conveyance for conveying the armature ring segment to a mounting position relative to a free ring segment portion of the partially assembled armature.2. The armature assembly apparatus according to claim 1 , wherein the rotating device is realized to rotate the partially assembled armature about its rotation axis.3. The armature assembly apparatus according to claim 1 , wherein the armature holding apparatus comprises a connecting device for detachably connecting the partially assembled armature to the rotating device.4. The armature assembly apparatus according to claim 1 , wherein the rotating device comprises a meshed gear arrangement.5. The armature assembly apparatus according to claim 1 , wherein the rotating device is realized to rotate the partially assembled armature by a radial amount corresponding to a radial width of a free ring segment portion.6. The armature assembly apparatus according to claim 1 , further comprising an adjusting device for bringing the armature ring segment into the mounting position on the free ring ...

Squirrel cage rotor and individual parts thereof and method for producing a squirrel cage rotor

The invention comprises a squirrel cage rotor, in particular for use in an asynchronous machine, with a shaft, a laminated rotor core with cage bars and short-circuiting rings arranged within it, at least part of a short-circuiting ring consisting of a disk stack, which is built up in layers from disks with clearances, through which the ends of the cage bars extend out from the laminated rotor core, wherein the disks of a short-circuiting ring have, starting from the lateral surface as the outside face, over the outer circumference at least one bevel or step, which is directed radially inward, and wherein, by their respective bevels or steps, neighboring disks form in the disk stack a slot, in which there is a joining connection, at least in certain portions. The invention also concerns individual parts of a squirrel cage rotor and also a method for the production thereof.