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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 11. Отображено 11.
15-07-2016 дата публикации

밀봉성 및 내구성이 우수한 진공창호용 무연 실런트 및 그 진공창호

Номер: KR0101639879B1
Автор: 최범진, 박신서, 서규식, 장용호, 안정혁, 황성현
Принадлежит: (주) 센불, 주식회사 이건창호

... 납(Pb)이 첨가되지 않음으로써, 환경오염의 염려가 없을 뿐만 아니라, 디스펜싱 공법을 적용하여 진공창호의 씰링 마감재로 활용되어 진공 형성시 고온점도가 높아 빨림 현상을 미연에 방지할 수 있는 밀봉성 및 내구성이 우수한 진공창호용 무연 실런트 및 그 진공창호에 대하여 개시한다. 본 발명에 따른 밀봉성 및 내구성이 우수한 진공창호는 일측 가장자리를 관통하는 진공 배기구를 갖는 제1 진공 유리; 상기 제1 진공 유리와 대향하도록 이격 배치된 제2 진공 유리; 상기 제1 및 제2 진공 유리의 이격된 사이 공간에 삽입되어, 상기 제1 및 제2 진공 유리의 간격을 유지하기 위한 스페이서; 상기 제1 진공 유리의 진공 배기구를 밀봉하기 위한 캡 봉지재; 및 상기 제1 또는 제2 진공 유리의 최외곽 가장자리를 따라 디스펜싱 공법으로 씰링되어, 상기 제1 및 제2 진공 유리를 합착하기 위한 무연 씰링재;를 포함하며, 상기 무연 씰링재는 Bi2O3 : 70 ~ 80wt%, B2O3 : 5 ~ 10wt%, ZnO : 0.1 ~ 5.0wt% 및 BaO : 5 ~ 10wt%를 포함하는 것을 특징으로 한다.

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Номер записи: 1
01-04-2016 дата публикации

LEAD-FREE SEALANT FOR VACUUM WINDOW WITH EXCELLENT SEALING PROPERTY AND DURABILITY AND VACUUM WINDOW USING SAME

Номер: KR1020160035653A
Автор: CHOI, BEOM JIN, PARK, SHIN SEO, SEO, GYOU SIK, JANG, YONG HO, AHN, JUNG HYUK, HWANG, SUNG HYUN
Принадлежит:

The present invention discloses a lead-free sealant for a vacuum window having excellent sealing property and durability which causes no environmental contamination by virtue of the lack of lead (Pb), is used as a sealing finishing material for a vacuum widow with a dispensing process and prevents a sucking phenomenon by virtue of high viscosity at high temperature during vacuum molding, as well as a vacuum window using the same. The vacuum window having excellent sealing property and durability includes: a first vacuum glass sheet having a vacuum vent penetrating through the edge at one side; a second vacuum glass sheet spaced apart from the first vacuum glass sheet to face each other; a spacer interposed between the first and the second glass sheets to maintain the space therebetween; a cap sealing material for sealing the vacuum vent of the first vacuum glass sheet; and a lead-free sealant sealed along the outermost edges of the first or second vacuum glass sheet through a dispensing ...

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Номер записи: 2
06-12-2016 дата публикации

VIBRATION ENERGY HARVESTING DEVICE

Номер: KR101682962B1
Автор: JEONG, YOUNG HUN, PAIK, JONG HOO, CHO, JEONG HO, YUN, JI SUN, KIM, CHANG IL, PARK, SHIN SEO, CHOI, BEOM JIN, JANG, YONG HO
Принадлежит: KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY, SENBOOL INC.

A vibration energy harvesting device is disclosed. The vibration energy harvesting device comprises: a case including a bottom plate and at least one side wall vertically connected to the bottom plate; an elastic plate fixing unit fixed to an inner surface of the side wall; an elastic plate which has a plate shape with a predetermined length and configured so that one longitudinal end of the plate shape is fixed to the elastic plate fixing unit and the other flexible area of the plate shape is vertically elastically deformed; a piezoelectric element mounted at an end of the flexible area of the elastic plate and generating electric energy while being deformed with the elastic plate; a movable member coupled to the elastic plate to move in a longitudinal direction of the elastic plate; and an operation unit connected with the movable member to penetrate a side wall of the case, arranged in parallel to the longitudinal direction of the elastic plate, and configured to move the movable member ...

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Номер записи: 3
03-12-2015 дата публикации

PIEZOELECTRIC ENERGY HARVESTING APPARATUS USING CRANK ROD AND GEAR AND SELF GENERATING SENSOR USING THEREOF

Номер: KR0101574109B1
Автор: 정영훈, 백종후, 조정호, 김창일, 최범진, 장용호, 조영봉, 박신서
Принадлежит: 한국세라믹기술원, ㈜센불

... 압전 액츄에이터(actuator)를 이용하며 크랭크로드와 기어를 이용한 진동구조물용 압전 에너지 하베스팅 장치 및 이를 이용한 자가 발전식 센싱 장치에 관하여 개시한다. 본 발명의 일 실시예에 따르면, 진동구조물의 측면에 구비되어 진동구조물의 횡 방향 진동을 전달받는 캔틸레버보와, 캔틸레버보의 돌출된 자유단에 일단부가 연결되며 캔틸레버보의 횡 방향 진동에 의해 구동하는 크랭크로드와, 크랭크로드의 타단부에 연결되어 크랭크로드의 구동에 연동하여 회전하는 제1톱니기어와, 제1톱니기어보다 큰 톱니수를 가지며, 제1톱니기어에 치합되어 회전하는 제2톱니기어와, 회전하는 제2톱니기어의 톱니로부터 타격을 받아 변형되어 전기 에너지를 생성하는 복수 개의 압전부재를 포함하는 크랭크로드와 기어를 이용한 압전 하베스팅 장치를 제공한다.

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Номер записи: 4
02-07-2015 дата публикации

PIEZOELECTRIC ENERGY HARVESTING APPARATUS USING CRANK ROD AND GEAR AND SELF GENERATING SENSOR USING SAME

Номер: KR1020150074590A
Автор: JEONG, YOUNG HUN, PAIK, JONG HOO, CHO, JUNG HO, KIM, CHANG IL, CHOI, BEOM JIN, JANG, YONG HO, CHO, YOUNG BONG, PARK, SHIN SEO
Принадлежит:

Disclosed are a piezoelectric energy harvesting apparatus for a vibration structure using a crank rod and a gear and a self generating sensor using the same. According to one embodiment of the present invention, provided is the piezoelectric energy harvesting apparatus using the crank rod and the gear which includes a cantilever beam which is formed on the side of the vibration structure and receives a transverse vibration of the vibration structure, the crank rod whose one end is connected to a free terminal of the cantilever beam which protrudes and which is driven by the transverse vibration of the cantilever, a first sawtooth gear which is connected to the other end of the crank rod and is rotated by the connection of the driving of the crank rod, a second sawtooth gear which has the number of sawtooth which is greater than the number of sawtooth of the second sawtooth gear and is rotated by being engaged with the first sawtooth gear, and a plurality of piezoelectric members which generate ...

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Номер записи: 5
23-11-2017 дата публикации

PATCH TYPE PIEZOELECTRIC TRANSDUCER AND VIBRATION SENSOR NODE USING SAME

Номер: KR1020170128654A
Автор: CHOI, BEOM JIN, PARK, SHIN SEO, JANG, YONG HO, PAIK, JONG HOO, JEONG, YOUNG HUN, KIM, CHANG IL
Принадлежит:

The present invention relates to a patch type piezoelectric transducer capable of being installed on various surfaces and a vibration sensor node using the same. According to the present invention, the patch type piezoelectric transducer comprises an adhesive layer, a first electrode layer, a piezoelectric thin film layer, and a second electrode layer. The adhesive layer is detachably attached on one surface of an object to be bonded, the first electrode layer is disposed in an upper part of the adhesive layer, the piezoelectric thin film layer is formed by coating piezoelectric paint, which is manufactured by mixing a lead zirconate titanate (PZT)-based piezoelectric ceramic powder and a resin, on an upper part of the first electrode layer. The vibration sensor node comprises a vibration plate, the piezoelectric transducer, a sensing circuit, a wireless communication module, and a battery. The vibration plate has an adhesive layer formed on a lower surface to be attached on one surface ...

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Номер записи: 6
10-02-2011 дата публикации

FOOTHOLD-TYPE PIEZOELECTRIC GENERATOR UNIT AND PIEZOELECTRIC GENERATOR SYSTEM INCLUDING SAME

Номер: KR2011016592A1
Автор: HAN, Woo-Seock, PAIK, Jong Hoo, LEE, Young Jin, JEONG, Young Hun, KIM, Chang-Il, PARK, Shin-Seo
Принадлежит:

The present invention relates to a foothold-type piezoelectric generator unit and a piezoelectric generator system including the same. According to the present invention, the piezoelectric generator system comprises: at least one piezoelectric generator unit which includes unit piezoelectric sections, in which piezoelectric layers are formed on at least one surface of an elastic substrate and cushion layers are formed on both sides of the elastic substrate, an electrode substrate on which one or more unit piezoelectric sections are arranged, and an insulating substrate for supporting the electrode substrate; at least one rectifying circuit which converts AC power that is generated by the transformation of the piezoelectric layers of the piezoelectric generator unit into DC power; and an elastic mat section which covers the piezoelectric generator unit.

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Номер записи: 7
25-04-2017 дата публикации

ENVIRONMENTALLY-FRIENDLY SEALING MATERIAL FOR VACUUM WINDOW WITH EXCELLENT SEALING PERFORMANCE AND DURABILITY

Номер: KR101729668B1
Автор: CHOI, BEOM JIN, PARK, SHIN SEO, AHN, JUNG HYUK, HWANG, SUNG HYUN
Принадлежит: SENBOOL INC., EAGON WINDOWS&DOORS CO., LTD.

Disclosed in the present invention is an environmentally-friendly sealing material for vacuum windows which is environmentally-friendly due to not containing PbO and Bi2O3 and yet, has excellent sealing performance and durability. According to the present invention, the environmentally-friendly sealing material for vacuum windows comprises, in wt%: 17-23% of P_2O_5; 45-55% of V_2O_5; 15-20% of Sb_2O_3; and 4-8% of Fe_2O_3, and further comprises 6% or less in total of one or more selected among BaO, Al_2O_3, Na_2O, TiO_2, ZrO_2 and CuO, and excludes PbO and Bi_2O_3. COPYRIGHT KIPO 2017 ...

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Номер записи: 8
07-02-2018 дата публикации

ENERGY HARVESTER HAVING EXCHANGEABLE PIEZOELECTRIC ELEMENT

Номер: KR101826173B1
Автор: CHOI, BEOM JIN, JANG, YONG HO, PARK, SHIN SEO
Принадлежит: SENBOOL INC.

The present invention relates to an energy harvester having an exchangeable piezoelectric element. The energy harvester includes a case, a fixing member, and a cover. The case is composed of a rectangular bottom plate and a wall surface extended in a vertical direction along the three sides of the bottom plate and has an upper part and one side which are opened. The fixing member has a plate-like shape having a predetermined thickness and is coupled to one opened side of the case, and has an inner surface where one end of a cantilever having a piezoelectric element is mounted. The cover part is formed to open and close the upper part of the fixing member and the case. COPYRIGHT KIPO 2018 ...

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Номер записи: 9
15-07-2010 дата публикации

UNIT FOR A PIEZOELECTRIC GENERATOR AND PIEZOELECTRIC GENERATOR SYSTEM COMPRISING SAME

Номер: KR2010079857A1
Автор: HAN, Woo Seok, PAIK, Jong Hoo, LEE, Young Jin, JEONG, Young Hun, KIM, Chang Il, PARK, Shin Seo
Принадлежит:

The present invention relates to a unit for a piezoelectric generator and to a piezoelectric generator system comprising same. The unit for a piezoelectric generator comprises: a substrate being characteristically bent by the pressure or vibration applied to a surface thereof, and having a restoration force countering the bendable characteristic; a first piezoelectric layer which is formed on a first surface of the substrate, has a first area, and is formed once or multiple times; a second piezoelectric layer which is formed on a second surface of the substrate opposite the first surface, having a second area narrower than the first area, and formed such that a portion of the area thereof or the entirety of the area thereof can be overlapped with the first piezoelectric layer; and a circuit unit formed on the first piezoelectric layer which is not overlapped with the region in which the second piezoelectric layer is formed, such that a portion of the area thereof or the entirety of the ...

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Номер записи: 10
12-10-2018 дата публикации

ENERGY HARVESTER CAPABLE OF CHANGING FREQUENCY

Номер: KR1020180112215A
Автор: CHOI, BEOM JIN, JANG, YONG HO, PARK, SHIN SEO
Принадлежит:

The present invention relates to an energy harvester capable of changing a frequency which comprises: a case having a receiving unit formed therein; a piezoelectric device module of which one end is fixed to the receiving unit, and the other end is formed to be movable in a vertical direction by external vibration; a guide bar arranged in a lower part of the piezoelectric device module, and installed in a lengthwise direction on one side of the receiving unit; a lower support member arranged in the lower part of the piezoelectric device module to support the piezoelectric device module, and formed to be movable along the guide bar; and an upper support member arranged in an upper part of the piezoelectric device module to pressurize the piezoelectric device module, and fixed to the lower support member. COPYRIGHT KIPO 2018 ...

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Номер записи: 11