УЗЕЛ ПРИВОДА ДЛЯ КОЛЕС ШАССИ ЛЕТАТЕЛЬНОГО АППАРАТА

... 1. Узел (16) привода для шасси (2) летательного аппарата, содержащего, по меньшей мере, первое колесо (4) и второе колесо (6) на общей колесной оси (А), где узел (16) привода является соединяемым, с возможностью передачи приводного усилия, с по меньшей мере одним из первого и второго колес (4, 6),отличающийся тем, что узел (16) привода содержит:по меньшей мере одну сборку (122, 124) для вывода мощности для приведения в движение по меньшей мере одного из первого или второго колес (4, 6), с каждой из по меньшей мере одной сборки (122, 124) для вывода мощности, содержащей приводную цепь (136), избирательно входящую в зацепление с элементом (108, 110) звездочки, соединенным с одним из первого и второго колес (4, 6), с приводной цепью (136), движимой при функционировании узла привода между положением введения в зацепление с элементом звездочки и положением вывода из зацепления с элементом звездочки.2. Узел (16) привода по п.1, в котором приводная цепь (136) является избирательно входящей в зацепление ...

УЗЕЛ ПРИВОДА ДЛЯ КОЛЕС ШАССИ ЛЕТАТЕЛЬНОГО АППАРАТА

Изобретение относится к шасси летательного аппарата (ЛА) и касается узла привода для шасси. Узел привода содержит первое колесо и второе колесо на общей колесной оси, где узел привода является соединяемым с возможностью передачи приводного усилия с одним из колес. Узел также содержит сборку для вывода мощности для приведения в движение одного из колес. При этом каждая из сборок для вывода мощности содержит приводную цепь, избирательно входящую в зацепление с элементом звездочки, соединенным с одним из колес. Приводная цепь приходит в движение при функционировании узла привода между положением введения в зацепление с элементом звездочки и положением вывода из зацепления с элементом звездочки. Достигается возможность подачи необходимой мощности для руления большого коммерческого ЛА с увеличением эксплуатационного ресурса. 2 н. и 49 з.п. ф-лы, 12 ил.

ANTRIEBSEINHEIT FÜR ELEKTRISCH ANGETRIEBENES NIEDERFLURFAHRZEUG

Emergency vehicle and method for operating the insert vehicle

Die Erfindung betrifft ein Einsatzfahrzeug (1), insbesondere Feuerwehrfahrzeug, umfassend: eine Fahrzeugkarosserie (2); zumindest zwei Radpaare (3) mit jeweils zumindest zwei Rädern (6), welche an der Fahrzeugkarosserie (2) angeordnet sind; einen Akkumulator (10) zum Speichern von elektrischer Energie; eine Sekundärenergieeinheit (7) zum Umwandeln einer in einem Kraftstoff gebundenen Energie in elektrische Energie; zumindest einen Elektromotor (11). Die Sekundärenergieeinheit (7) ist an einem Trägergestell (14) angeordnet, wobei das Trägergestell (14) modular und lösbar an der Fahrzeugkarosserie (2) aufgenommen ist.

UTILITY VEHICLE AND METHOD FOR OPERATING THE UTILITY VEHICLE

DRIVING WHEEL STRUCTURE FOR MOTOR VEHICLE

A driving wheel structure (100) for a motor vehicle employing an in-wheel motor arrangement includes first (105) and second (108) electric motors for generating drive torques to rotate a wheel (102), a first support member attached to the vehicle body for supporting the first motor on a vehicle body, and a second support member attached to the vehicle body for supporting the second motor on the vehicle body. When the wheel (102) is rotated in one direction by the first motor (105), a reaction torque (Fl) is induced in the first support member by the drive torque of the first motor (105) that applies a downward bias force (Fl) to the wheel (102). When the wheel (102) is rotated in said one direction by the second motor (108), a reaction torque (F2) is induced in the second support member by the drive torque of the second motor that applies an upward bias force (F2) to the wheel (102). © KIPO & WIPO 2008 ...

Electric wheel drive apparatus

An apparatus having electric wheels comprises a pair of left and right wheels (2), rotary electric machines (7), i.e. motors, for individually driving these wheels (2), and a control unit (12) for operating the motors (7). The motors (7) each have a rotation axis offset from that of the wheel (2), drive the same one wheel of the pair, and are arranged at positions distanced in the radial direction of the axle by the same length, and on the same plane normal to the axial direction of the axle, being apart from each other in the circumferential direction of the axle with a predetermined angle therebetween. In a preferred mode, power is transmitted from the motors (7) to a single wheel (2) through a belt-type transmission mechanism (9) incorporated in the wheel. Responsive and fine driving power control can be performed without sacrificing the cabin space, thereby providing a vehicle having excellent responsiveness, degree of freedom and reliability.

DRIVE MECHANISM, ESPECIALLY FOR BUSES

The invention relates to an electrically driven vehicle with single wheel drives (7) belonging to each driving wheel (18), each single wheel drive (7) being located in front of or behind the driving wheel (18) in the direction of travel. The single-wheel drive (7) is connected to the driving wheel (18) by means of a spur gear chain (8), the housing of said spur gear chain (8) forming a part of the suspension (4, 5, 6) of the axle (1) supporting the driving wheel, as a twist beam (2). An advantage of the invention is that the single-wheel drive (7) is located in close proximity to the twist beam (2) head (3), between said beam head (3) and the driving wheel (18), in order to reduce dynamic forces of inertia. The wheel arrangement can be provided as a rigid axle (1) or as a single-wheel suspension (24). The brake actuater (15) may be located outside the range of the driving wheel (18). The single-wheel drive (7) can be constructed from several small electric motors acting upon the spur gear ...

DRIVE WITH TWO HYDRO-MOTORS

Emergency vehicle and method for operating the insert vehicle

Die Erfindung betrifft ein Einsatzfahrzeug (1), insbesondere Feuerwehrfahrzeug, umfassend: eine Fahrzeugkarosserie (2); zumindest zwei Radpaare (3) mit jeweils zumindest zwei Rädern (6), welche an der Fahrzeugkarosserie (2) angeordnet sind; einen Akkumulator (10) zum Speichern von elektrischer Energie; eine Sekundärenergieeinheit (7) zum Umwandeln einer in einem Kraftstoff gebun- denen Energie in elektrische Energie; zumindest einen Elektromotor (11). Die Sekundärenergieeinheit (7) ist an einem Trägergestell (14) angeordnet, wobei das Trägergestell (14) modular und lösbar an der Fahrzeugkarosserie (2) aufge- nommen ist.

CHASSIS, WHICH ARE EQUIPPED WITH DISTRIBUTION OF LOAD WITH OF A SUSPENSION, AND ITS APPLICATION

MULTI-BAR LINKAGE ELECTRIC DRIVE SYSTEM

An electric drive system including: a rotary motor system including a hub assembly, a first rotating assembly, a second rotating assembly, and a third rotating assembly, wherein the hub assembly defines a rotational axis about which the first rotating assembly, the second rotating assembly, and the third rotating assembly are coaxially aligned and are capable of independent rotational movement independent of each other; a multi-bar linkage mechanism connected to each of the first and third rotating assemblies and connected to the hub assembly and constraining movement of the hub assembly so that the rotational axis of the hub assembly moves along a defined path that is in a transverse direction relative to the rotational axis and wherein the multi-bar linkage mechanism causes the rotational axis of the hub assembly to translate along the defined path in response to relative rotation of the first rotating assembly and the third rotating assembly with respect to each other.

DUAL HYDRAULIC MOTOR DRIVE SYSTEM

A drive system includes two reversible hydraulic motors connected in parallel to a variable displacement pump and controlled by respective 4-port, 2-position valves. The motors, at least one of which is a variable flow, variable speed motor, are coupled to a single output shaft via an intermediate gear section. The hydraulic motors are positioned on one side of the intermediate gear section and their respective drive shafts are arranged parallel relative to one another. A clutch, which is concentrically disposed within an axial bore of a gear member, is operable to couple the drive shaft of a first of the motors to the output shaft. A second gear member, which is driven by the output shaft of a second of the motors, is adapted to mesh with the first gear member. If both motors are of variable speed construction, it is possible to operate the drive in three speed ranges, i.e. by operation of the first hydraulic motor only, by operation of the second hydraulic motor only, or by simultaneous ...

ELECTRICALLY ASSISTED BICYCLE COMPRISING AN ELECTROMECHANICAL RECHARGING ASSEMBLY

Coil hydraulically-operated independent motor bike-director for all vehicles

DRIVE HAS INDEPENDENT WHEELS FOR A VEHICLE

L'invention concerne un entraînement à roues indépendantes avec engrenage planétaire secondaire (3) pour véhicules automobiles.Un frein (7) est réalisé sous la forme de frein à disques à actionnement pneumatique ou hydraulique et assure la fonction de frein de service, de frein de blocage, de frein de secours ou de frein auxiliaire. L'étrier de frein (8) est monté en dessous de la ligne médiane horizontale de la roue. Le dispositif d'actionnement (9) du frein est réalisé par la combinaison d'un cylindre à membrane et d'un cylindre de frein à ressort accumulateur, cette combinaison étant disposée dans la direction de l'essieu et se trouvant protégée dans un corps d'essieu creux (10) lorsque la tête de roue est montée. Un dispositif de desserrage de secours (11) du frein de blocage permettant le remorquage en cas de défaillance du système pneumatique propre au véhicule est accessible par le bas à travers un trou de visite (12) dans le corps d'essieu (10) .

ACTUATOR DEVICE FOR TORQUE TRANSMISSION EQUIPMENT

The invention relates to an actuator device for torque transmission equipment such as a clutch, e.g. a friction clutch or dog clutch, or a brake, comprising at least two electric motors, wherein the rotors of the electric motors are kinematically coupled together via a summation gear, and the summation gear has an output side which is coupled to an actuator of the torque transmission equipment in such a way that a state of the actuator can be set as a function of a relative rotation between the two rotors.

Low floor drive unit assembly for an electrically driven vehicle

An automotive vehicle drive unit assembly which is located near the sides of a vehicle includes a first driving axle shaft, a second driving axle shaft, a first gear box, a second gear box, a first electric motor, and a second electric motor. The first driving axle shaft drives a first wheel hub of the vehicle and the second driving axle shaft drives a second wheel hub. Together the first and second driving axle shafts define an axis of rotation about which the first and second wheel hubs rotate. The first gear set drives the first wheel and the second gear set drives the second wheel. A first electric motor is mounted in an angular relationship relative to the axis of rotation and drives the first gear set. A second electric motor is mounted in an angular relationship relative to the axis of rotation and drives the second gear set. A plurality of electric motors can be used to drive each wheel hub.

Disc brake arrangement for an individual wheel drive

The invention relates to a disc brake arrangement for an individual wheel drive with rear-mounted planetary gear (3) for motor vehicles. A brake (7) is designed as pneumatically or hydraulically actuated disc brake and acts as a service, parking, emergency and auxiliary brake. The brake caliper (8) is situated below the horizontal center line of the wheel. The brake actuating device (9) is a combined diaphragm and spring accumulator cylinder situated in the axial direction and when the wheel head is assembled lies protected in a hollow axle body (10). An emergency release device (11) of the parking brake, which in case of failure of the vehicles own pressurized air system, allows towing, and is accessible from below through a hole (12) of the axle body (10).

Multi-bar linkage electric drive system

An electric drive system including: a rotary motor system including a hub assembly, a first rotating assembly, a second rotating assembly, and a third rotating assembly, wherein the hub assembly defines a rotational axis about which the first rotating assembly, the second rotating assembly, and the third rotating assembly are coaxially aligned and are capable of independent rotational movement independent of each other; a multi-bar linkage mechanism connected to each of the first and third rotating assemblies and connected to the hub assembly and constraining movement of the hub assembly so that the rotational axis of the hub assembly moves along a defined path that is in a transverse direction relative to the rotational axis and wherein the multi-bar linkage mechanism causes the rotational axis of the hub assembly to translate along the defined path in response to relative rotation of the first rotating assembly and the third rotating assembly with respect to each other.

VEHICLE WITH ELECTRIC DRIVE AND TWO AXLES

CHASSIS, WHICH ARE EQUIPPED WITH FLAT BAR WITH OF A SUSPENSION, AND ITS APPLICATION

ELECTRICALLY COIL MOTORISEE WITH MASK OF PROTECTION

Un ensemble de roue motorisée électriquement est fourni, lequel peut être utilisé sur des véhicules automobiles. L'ensemble de roue est équipé d'au moins un moteur électrique comportant un arbre de sortie situé de manière excentrée par rapport à un essieu d'une roue. L'ensemble de roue comprend un cache de protection qui ferme une ouverture de la roue afin de définir une chambre intérieure pratiquement close à l'intérieur de laquelle un mécanisme de transmission de couple entraîné par courroie est disposé pour la protéger d'objets étrangers.

Wheel with one or more integrated traction motors for use in electric motor vehicles

La roue comporte une roue dentée 18 solidaire du moyeu. La roue dentée 18 est en prise avec deux pignons 951 et 952 montés tournant sur le porte-roue 3, le mouvement dudit pignon étant commandé par deux moteurs électriques 971, 972 de traction dont le stator est solidaire du porte-roue, dont le rotor entraîne en prise directe ladite roue dentée, de façon à pouvoir appliquer un couple audit moyeu via la roue dentée. Les moteurs agissant en parallèle, les couples fournis par chacun d'eux s'additionnant ...

Drivetrain

RELATIVE PERFECTIONING THE ELECTRIC TRACTION

ALL ELECTRIC WHEEL ASSEMBLY

An all electric wheel assembly comprises a hub (1) and a tire (2). A closed accommodation space is provided in the hub (1), and a sun wheel (4) is provided in the space. Planetary gears (5) driven to rotate by permanent-magnet motors (6) are provided along the axial direction of the sun wheel (4). The number Z of teeth of the sun wheel (4) and the number N of the planetary gears (5) meet a formula, Z=KN, wherein both K and N are integers greater than 2. The all electric wheel assembly adopts multiple permanent-magnet motors (6), and transfers torque and rotating speed to the sun wheel (4) by driving the planetary gears (5) on the output shaft of the permanent-magnet motors (6). Finally, the sun wheel (4) drives the hub (1) to rotate. The multiple permanent-magnet motors (6) have a planet-shaped layout and drive the sun wheel (4) commonly. Meanwhile, the expansion of both of torque and power can be realized, and the axial dimension of the motors (6) need not be expanded. The space of the ...

Manual driving force sensing unit for motor driven vehicle

A motor-driven vehicle includes a vehicle body including a handlebar, a drive wheel mounted to the vehicle body, a driving unit for driving the drive wheel, and a manual-driving-force sensing unit for sensing a manual driving force exerted to the handlebar to move the vehicle body and generating a control signal for controlling the driving unit in accordance with the sensed manual driving force. The manual-driving-force sensing unit includes a displaceable grip mounted displaceable along the length of said handlebar, a potentiometer for sensing displacement of the grip and generating the control signal in accordance with the sensed displacement of the grip, first and second stop members disposed spaced from each other along the length of the handlebar, a spring having one end contacting the first stop member and having the other end contacting the second stop member, and a piston having first and second portions adjacent to said first and second stop members, respectively, for driving the ...

Vehicle having non-axial drive

A two-wheeled vehicle is provided. The two-wheeled vehicle includes a chassis having a height, a length and a width, a first wheel rotatably connected to the chassis, the first wheel having a perimeter, a diameter and a geometric center, and the diameter of the first wheel being at least 75% of the height of the chassis, a motor for providing a drive energy to the first wheel, an axle rotated by the motor, a drive gear connected with the axle such that the drive gear rotates with a rotation of the axle, and a plurality of teeth disposed about the first wheel and mechanically engaged with the drive gear at a location closer to the perimeter of the first wheel than to the geometric center of the first wheel.

ACTUATING DEVICE FOR A TORQUE TRANSMISSION DEVICE

The invention relates to an actuator device for torque transmission equipment such as a clutch, e.g. a friction clutch or dog clutch, or a brake, comprising at least two electric motors, wherein the rotors of the electric motors are kinematically coupled together via a summation gear, and the summation gear has an output side which is coupled to an actuator of the torque transmission equipment in such a way that a state of the actuator can be set as a function of a relative rotation between the two rotors.

Single wheel drive for motor vehicles

The single wheel drive comprises an epicyclic gear (3), and has a pneumatic or hydraulic disc-brake system (7) with emergency disconnection mechanism (11), integrated in axle housing. The single wheel drive operated by epicyclic gear (3) is particularly useful for public transport vehicles since it maximises space in passenger cabin owing to location of driven on wheel-hub.

Betätigungseinrichtung für eine Drehmomentübertragungsvorrichtung

Hybrid drive system for generating electricity to drive vehicle e.g. lorry, has electricity collectors mounted at fixed outer housing, and electrical wires moved to controllers and control switches to electromotor and battery

The system has coupling-generators (G) whose pole piece housing (POG) is connected with ring gears (H) of planetary gears (PT), where armature (GA) of the generators is connected with an internal gear (So). An electromotor (E) drives the armature. An electrical coupler produces continuous electricity such that the electricity increases range of a battery (B). Slip rings (Sr) are mounted at the housing, and electricity collectors (12) are mounted at a fixed outer housing. Electrical wires (Sa) are moved to controllers, and control switches are moved to the electromotor and the battery.

Antriebseinheit für ein elektrisch angetriebenes Niederflurfahrzeug

Fahrgestell, das mit einer Aufhängung mit Flachstab ausgerüstet ist, und seine Anwendung

Einzelradantrieb mit einem Planetengetriebe

ENGINE-PROPELLED CAR

ELECTRICAL STEERING AND DRIVE SYSTEM FOR A VEHICLE WITH WHEEL SIDE STEERING ELEMENT

MOTOR VEHICLE

Radantriebsmodul zum Antrieb und zur Lenkung eines Rades

Die Erfindung betrifft ein Radantriebsmodul (1) zum Antrieb und zur Lenkung eines Rades (30), umfassend das Rad (30) einen ersten Antriebsmotor (11), einen zweiten Antriebsmotor (21) und ein Getriebe, wobei das Rad (30) über das Getriebe von dem ersten Antriebsmotor (11) und dem zweiten Antriebsmotor (21) zugleich antreibbar und lenkbar ist, wobei sich aus dem ersten Antriebsmotor (11) eine erste Motorwelle (12) zum Antrieb des Getriebes in eine erste Motorwellenrichtung (121) erstreckt, sich aus dem zweiten Antriebsmotor (21) eine zweite Motorwelle (22) zum Antrieb des Getriebes in eine zweite Motorwellenrichtung (221) erstreckt, die erste Motorwellenrichtung (121) und die zweite Motorwellenrichtung (221) zueinander entgegengesetzt sind und der erste Antriebsmotor (11) und der zweite Antriebsmotor (21) sich parallel zu der ersten und der zweiten Motorwellenrichtung (121, 221) über einen gemeinsamen Überlappungsabschnitt (Ü) erstrecken.

Radantriebsmodul zum Antrieb und zur Lenkung eines Rades

Die Erfindung betrifft ein Radantriebsmodul (1) zum Antrieb und zur Lenkung eines Rades (30), umfassend das Rad (30) einen ersten Antriebsmotor (11), einen zweiten Antriebsmotor (21) und ein Getriebe, wobei das Rad (30) über das Getriebe von dem ersten Antriebsmotor (11) und dem zweiten Antriebsmotor (21) zugleich antreibbar und lenkbar ist, wobei sich aus dem ersten Antriebsmotor (11) eine erste Motorwelle (12) zum Antrieb des Getriebes in eine erste Motorwellenrichtung (121) erstreckt, sich aus dem zweiten Antriebsmotor (21) eine zweite Motorwelle (22) zum Antrieb des Getriebes in eine zweite Motorwellenrichtung (221) erstreckt, die erste Motorwellenrichtung (121) und die zweite Motorwellenrichtung (221) zueinander entgegengesetzt sind und der erste Antriebsmotor (11) und der zweite Antriebsmotor (21) sich parallel zu der ersten und der zweiten Motorwellenrichtung (121, 221) über einen gemeinsamen Überlappungsabschnitt (Ü) erstrecken.

Adaptable vehicle

The present disclosure is directed at an adaptable vehicle that includes a pair of primary rollers for rolling along a surface on which the vehicle is travelling. At least one of the rollers is rotatably powered. The adaptable vehicle also includes two sets of linking arms, one of which is coupled to one of the rollers and the other of which is coupled to the other of the rollers such that moving the sets of linking arms can shift the axes of rotation of the rollers without impeding rotation of the rollers. The sets of linking arms are connected to and rotatable about an actuatable hub. Actuation of the hub causes at least one set of the linking arms to rotate about the hub and shifts the axis of rotation of at least one of the rollers to allow the vehicle to adapt to its surroundings.

DUAL HYDRAULIC MOTOR DRIVE SYSTEM

A drive system includes two reversible hydraulic motors connected in paralle l to a variable displacement pump and controlled by respective 4-port, 2-position valves. The motors, at least one of which is a variable flow, variable speed motor, are coupled to a single output shaft via an intermediate gear section. The hydraulic motors are positioned on one side of the intermediate gear section and their respective drive shafts are arranged parallel relative to one another. A clutch, which is concentrically disposed within an axial bore of a gear member, is operable to couple the drive shaft of a first of the motors to th e output shaft. A second gear member, which is driven by the output shaft of a second of the motors, is adapted to mesh with the first gear member. If both motors are of variable speed construction, it is possible to operate the drive in three speed ranges, i.e. by operation of th e first hydraulic motor only, by operation of the second hydraulic motor only, or by simultaneous ...

OMNI-DIRECTIONAL ROTATIONAL DRIVE MECHANISM AND MOVING BODY

Structure of drive wheel for vehicle

A driving wheel structure (100) for a motor vehicle employing an in-wheel motor arrangement includes first (105) and second (108) electric motors for generating drive torques to rotate a wheel (102), a first support member attached to the vehicle body for supporting the first motor on a vehicle body, and a second support member attached to the vehicle body for supporting the second motor on the vehicle body. When the wheel (102) is rotated in one direction by the first motor (105), a reaction torque (Fl) is induced in the first support member by the drive torque of the first motor (105) that applies a downward bias force (Fl) to the wheel (102). When the wheel (102) is rotated in said one direction by the second motor (108), a reaction torque (F2) is induced in the second support member by the drive torque of the second motor that applies an upward bias force (F2) to the wheel (102).

ELECTRIC DRIVE SYSTEM

CONNECTION ON GROUND DOTEE Of a SUSPENSION HAS DISTRIBUTION Of EFFORTS, AND APPLICATION

Wheel motor-steered independent brakes for all vehicles

ALL-ELECTRIC WHEEL ASSEMBLY

Disclosed is an all-electric wheel assembly, which comprises a hub (1) and a tire (2). A closed accommodation space is provided in the hub (1), and a sun wheel (4) is provided in the space. Planetary gears (5) driven rotationally by permanent-magnet motors (6) are provided in the axial direction of the sun wheel (4). The number Z of the teeth of the sun wheel (4) and the number N of the planetary gears (5) meet a formula, Z=KN, wherein both K and N are integers greater than 2. The all-electric wheel assembly adopts multiple permanent-magnet motors (6), and transfers torque and rotational speed to the sun wheel (4) by driving the planetary gears (5) on the output shaft of the permanent-magnet motors (6). Finally the sun wheel (4) drives the hub (1) to rotate. The multiple permanent-magnet motors (6) are arranged as planets and drive the sun wheel (4) commonly. Meanwhile, the expansion both of torque and power can be realized, and the axial dimension of the motors (6) need not be expanded ...

Hydrostatic single-wheel drive for combine harvester and chaff-cutter, has hydrostatic drive unit with hydraulic motors, gear boxes as summation gearboxes and combined assembly with planetary gear, driving brake and wheel bearing

The drive has a combustion motor (7) connected with a transfer case (8). Hydraulic pumps (9, 10) are driven with the transfer case. Two hydrostatic drive units (13, 14) are driven with the hydraulic pumps. The hydrostatic drive units are arranged at vehicle wheels (5a, 5b, 6a, 6b) of vehicle axles (3, 4). Each hydrostatic drive unit has two hydraulic motors, gear boxes i.e. spur gears, as summation gearboxes and a combined assembly with a planetary gear, a driving brake and a wheel bearing (23). The vehicle wheels are driven by the hydraulic motors.

ANTRIEBSANORDNUNG, INSBESONDERE FÜR OMNIBUSSE

Radnabenmotor

Radnabenmotor, der Folgendes enthält:einen ersten Motor (11, 203, Mo1),einen zweiten Motor (12, 204, Mo2),ein erstes, mit dem ersten Motor (11, 203, Mo1) verbundenes Sonnenrad (21, 71),ein erstes Zahnrad (22, 72), das in das erste Sonnenrad (21, 71) eingreift,einen ersten Träger (23, 73), der rotierbar und umlaufbar um das erste Sonnenrad (21, 71) ist und das erste Zahnrad (22, 72) hält,eine Kupplungseinrichtung (40, 90, 210, 230, 280), die in der Lage ist, eine Rotation des ersten Trägers (23, 73) zu regeln,ein erstes Ringrad (24, 74), das in das erste Zahnrad (22, 72) eingreift, wobei das erste Ringrad (24, 74) mit dem zweiten Motor (12, 204, Mo2) verbunden ist,ein zweites Sonnenrad (31, 81), das mit dem ersten Motor (11, 203, Mo1) verbunden ist,ein zweites Zahnrad (32a, 82a), das in das zweite Sonnenrad (31, 81) eingreift,ein drittes Zahnrad (32b, 82b), das in das zweite Zahnrad (32a, 82a) eingreift,einen zweiten Träger (33, 83), der individuell rotierbar und umlaufbar um das zweite ...

Steuervorrichtung zur Ansteuerung zweier Elektromotoren

Steuervorrichtung zur Ansteuerung eines ersten Elektromotors (M1) und eines zweiten Elektromotors (M2) eines Radantriebsmoduls, wobei das Radantriebsmodul ein Rad (R) und ein Überlagerungsgetriebe (G) umfasst und wobei das Rad (R) mittels des Überlagerungsgetriebes (G) von dem ersten und dem zweiten Elektromotor (M1, M2) gemeinsam um eine Radachse (A) antreibbar und um eine zu der Radachse (A) orthogonale Lenkachse (L) lenkbar ist, wobei die Steuervorrichtung eine Verarbeitungseinheit aufweist, die ausgebildet ist aus Rad-Sollwerten, die das Antreiben und/oder das Lenken des Rades (R) kennzeichnen, elektrische Steuersignale zur Ansteuerung des ersten und zweiten Elektromotors (M1, M2) zu bestimmen.

Antriebseinheit für ein elektrisch angetriebenes Niederflurfahrzeug

An improved hydraulically controlled driving and steering wheel for vehicles

... 939,079. Hydraulically driven steerable wheels. SOC. AUXILIAIRE DE L'ENTREPRISE AUXEN. April 27, 1962 [April 27, 1961], No. 16233/62. Classes 79(2), 79(3) and 79(5). In a hydraulically driven steerable wheel for vehicles a support member 12 pivotally mounted on a bracket 13 secured to the vehicle frame 14 is formed with a tubular spindle portion and an inner casing portion closed by a plate 15 carrying one or more hydraulic motors 1 connected through reduction gearing 5, 6a to a shaft 6 which extends through the tubular spindle and drives a wheel 16 rotatably mounted thereon through an epicyclic reduction gear comprising a sun gear 6b on the shaft 6, three planet wheels 8 carried by a hub cap 10 secured to the wheel, and internal teeth 9 formed on a casing 12a secured to the tubular spindle. The hydraulic motors 1 are connected by flexible pipes 3, 4 to a hydraulic system driven by a heat engine and which may be arranged to effect braking and differential driving of transversely opposite ...

Electric motor drive assembly and its use in a hybridvehicle

ELECTRIC STEERING AND DRIVING SYSTEM FOR A LATERAL WHEEL-STEERING VEHICLE

ADJUSTABLE AXLE ASSEMBLY TO ALTER WHEEL BASE & TRACK

CONNECTION ON GROUND DOTEE Of a SUSPENSION HAS DISTRIBUTION Of EFFORTS, AND APPLICATION

DRIVE TRAIN

ELECTRIC WHEEL

Le rotor du moteur incorporé dans une roue du type à rotor extérieur de la roue électrique comprend un générateur de champ faisant face à la surface extérieure du stator de l'autre côté d'un entrefer électrique. Le générateur de champ comprend des aimants à pôles magnétisés dans la direction radiale par rapport à l'axe de rotation du moteur incorporé dans la roue, deux aimants à pôles adjacents parmi les aimants à pôles ayant des sens opposés de magnétisation, de sorte que la polarité des aimants du générateur de champ alterne à un pas de pôles prédéterminé le long de la direction circonférentielle, des aimants de culasses magnétisés dans la direction circonférentielle dont chacun est placé entre deux aimants adjacents correspondants parmi les aimants à pôles afin de renforcer le champ magnétique formé par des aimants à pôles, et un élément de support de générateur de champ sur lequel le générateur de champ est fixé, l'élément de support de générateur de champ étant fixé à l'arbre rotatif ...

Driving wheel for vehicles

An electrically motorized driving wheel for vehicles such as bicycles is provided. The electrically motorized wheel can include a wheel rim, a housing disposed inside and connected to the wheel rim, wherein the housing defines an installation space inside the housing, a driving force generating mechanism disposed in the installation space, and a driving force transfer mechanism connected to the driving force generating mechanism and configured to transfer a driving force generated from the driving force generating mechanism to the housing.

Power Assisted Vehicle

A power assisted vehicle includes an auxiliary propelling device disposed to the frame body. The auxiliary propelling device has an auxiliary wheel and at least one transmission portion disposed in the auxiliary wheel. When two friction wheels of the transmission portion fasten to two sides of a friction ring of the auxiliary wheel, and the two power sources is in reverse to drive the two friction wheels for rotating, a wheel rim and a tire are further driven to produce rotations. The power assisted vehicle is therefore capable of self-propelled going forward without any external force. A processing device is further disposed in the power assisted vehicle. The auxiliary propelling device is then activated when the power assisted vehicle is at a specific speed. The energy consumption for the power sources is then reduced and the service life is extended. The transmission force distribution generated from the power sources is further adjustable. The usage of the power assisted vehicle is ...

WHEEL DRIVE MODULE FOR STEERING AND DRIVING A WHEEL

Die Erfindung betrifft ein Radantriebsmodul (1) zur Lenkung und zum Antrieb eines Rades (2) mit einem Getriebe, einem ersten Elektromotor und einem zweiten Elektromotor, wobei das Getriebe eine Ritzelwelle (10) sowie einen ersten ringförmigen Zahnkranz (11) und einen zweiten ringförmigen Zahnkranz (12) aufweist, wobei der erste Zahnkranz (11) und der zweite Zahnkranz (12) koaxial zueinander um eine gemeinsame Rotationsachse (R) drehbar angeordnet sind, wobei die Ritzelwelle (10) durch eine jeweilige Rotation des ersten Zahnkranzes (11) und des zweiten Zahnkranzes (12) um die Rotationsachse (R) als Lenkachse des Rades (2) drehbar und um eine Ritzelwellenachse (A) der Ritzelwelle (10) rotierbar ist, sodass das mit der Ritzelwelle (10) verbindbares Rad (2) um die Lenkachse lenkbar und über eine Rotation der Ritzelwelle (10) um die Ritzelwellenachse (A) um eine Radachse des Rades (2) antreibbar ist, wobei der erste Elektromotor zum Antrieb des ersten Zahnkranzes (11) einen ersten ringförmig ...

ЭЛЕКТРОДВИГАТЕЛЬ И ТРАНСПОРТНОЕ СРЕДСТВО С ЕГО ИСПОЛЬЗОВАНИЕМ

... 1. Электродвигатель, содержащий по меньшей мере два ротора, имеющих роторные валы, причем предусмотрены силовой выходной вал и понижающая силовая передача, которая соединяет указанные роторные валы с выходным валом. 2. Электродвигатель по п.1, содержащий несколько комбинаций ротора со статором, причем указанные комбинации ротора со статором расположены в виде комплектов вокруг указанного выходного вала, при этом предусмотрены средства для соединения указанных комбинаций друг с другом. 3. Электродвигатель по п.1, содержащий по меньшей мере два ротора и один статор, причем статор имеет цилиндрические полости для установки роторов. 4. Электродвигатель по п.3, содержащий один статор, имеющий по меньшей мере две полости для приема роторов, причем указанный статор имеет центральный канал, в котором установлен выходной вал, при этом полости для установки роторов смещены друг относительно друга вокруг указанного выходного вала. 5. Электродвигатель по п.4, у которого указанный статор имеет четыре ...

TRAIN Of DRIVE

L'invention concerne un train d'entraînement présentant au moins une machine d'entraînement (2, 3) dotée d'un arbre moteur (6) qui peut être accouplé à au moins une roue motrice par l'intermédiaire d'une transmission (10) qui est montée sur la machine d'entraînement (2, 3) et qui comporte une transmission (18) à planétaires. Pour réduire les coûts et efforts de développement et/ou de fabrication du train d'entraînement, la transmission (10) présente différentes positions de montage tournées par rapport à l'arbre moteur (6) de la machine d'entraînement (2, 3).

LOW FLOOR DRIVE UNIT ASSEMBLY FOR AN ELECTRICALLY DRIVEN VEHICLE

An automotive vehicle drive unit assembly which is located near the sides of a vehicle includes a first driving axle shaft, a second driving axle shaft, a first gear box, a second gear box, a first electric motor, and a second electric motor. The first driving axle shaft drives a first wheel hub of the vehicle and the second driving axle shaft drives a second wheel hub. Together the first and second driving axle shafts define an axis of rotation about which the first and second wheel hubs rotate. The first gear set drives the first wheel and the second gear set drives the second wheel. A first electric motor is mounted in an angular relationship relative to the axis of rotation and drives the first gear set. A second electric motor is mounted in an angular relationship relative to the axis of rotation and drives the second gear set. A plurality of electric motors can be used to drive each wheel hub. Suspension beams extend transversely to the axis of rotation of the driving axle shaft.

Electrical individual wheel drive with several motors

The invention relates to an electrical individual wheel drive having several electromotors (1) whose input power is combined by a spur gear assembly (2) and one rear-mounted planetary gear (3) which adapts the input torque and the wheel speed. The wheel bearings (4) are mounted axially between the electromotors (1) and planetary gear (3). One brake (7) is a pneumatically or hydraulically actuated disc brake and acts as service, parking, emergency and auxiliary brake.

ELECTRIC VEHICLE DRIVE APPARATUS

An electric vehicle drive apparatus includes a first motor, a second motor, a speed change mechanism coupled to the first motor and the second motor, and a controller controlling operation of the first motor and the second motor. The speed change mechanism includes a first planetary gear mechanism, a second planetary gear mechanism, and a one-way clutch that limits a rotation direction of a first carrier of the first planetary gear mechanism to a certain forward rotation direction. When rotating the first motor in a backward rotation direction opposite to the certain forward rotation direction and rotating the second motor in the forward rotation direction, the controller determines rotation speeds of the first motor and the second motor within a range indicated by Expression (1).

Drivetrain

A drivetrain has at least one drive machine (2, 3) with a drive output shaft (6) that can be coupled via a transmission (10) to at least one drive wheel. The transmission (10) is mounted on the drive machine (2, 3) and has a planetary gear set (18). To reduce the expenditure for the development and/or manufacture of the drivetrain, the transmission (10) has different mounting positions rotated relative to the drive output shaft (6) of the drive machine (2, 3).

HUB BEARING, SPEED REDUCTION MECHANISM, AND IN-WHEEL MOTOR

There are provided a hub bearing, a speed reduction mechanism, and an in-wheel motor, including an inner race portion which is fixed to a support mechanism, an outer race portion which is connected to a wheel, and a rolling element which is disposed between the inner race portion and the outer race portion, and the outer race portion includes an outer race member, a wheel flange, and a fixation mechanism. The end surface of the wheel flange away from the outer race member in a direction parallel to a rotation shaft extends to the rotation shaft in relation to the inner race portion in the radial direction of the rotation shaft. Further, the inner race portion includes a first inner race member which is fixed to the support mechanism, a second inner race member which is inserted into the outer peripheral surface of the first inner race member, and a locking nut which is disposed on the outer peripheral surface of the first inner race member so as to be near the wheel in relation to the second ...

飛行機走行ギア用駆動装置

KNOCKDOWN ELECTRIC MOTOR-DRIVEN VEHICLE

Adaptable vehicle

The present disclosure is directed at an adaptable vehicle that includes a pair of primary rollers for rolling along a surface on which the vehicle is travelling. At least one of the rollers is rotatably powered. The adaptable vehicle also includes two sets of linking arms, one of which is coupled to one of the rollers and the other of which is coupled to the other of the rollers such that moving the sets of linking arms can shift the axes of rotation of the rollers without impeding rotation of the rollers. The sets of linking arms are connected to and rotatable about an actuatable hub. Actuation of the hub causes at least one set of the linking arms to rotate about the hub and shifts the axis of rotation of at least one of the rollers to allow the vehicle to adapt to its surroundings.

DRIVE UNIT FOR AIRCRAFT RUNNING GEAR WHEELS

A drive unit (16) for an aircraft running gear (2) having at least a first wheel (4) and a second wheel (6) on a common wheel axis (A), wherein the drive unit (16) is drivingly coupleable to at least one of the first and second wheels (4, 6), is characterized in that the drive unit (16) comprises at least one power output assembly (122, 124) for driving at least one of the first and second wheels (4, 6), with each of the at least one power output assembly (122, 124) comprising a power transmission chain (136) selectively engageable with a sprocket element (108, 110) coupled to one of the first and second wheels (4, 6).

CONNECTION ON GROUND DOTEE Of a SUSPENSION HAS FLAT BAR, AND APPLICATION

Electrically motorized wheel with protective cover

An electrically motorized wheel assembly is provided which may be used in automotive vehicles. The wheel assembly is equipped with at least one electric motor having an output shaft located eccentrically from an axle of a wheel. The wheel assembly includes a protective cover which closes an opening of the wheel to define a substantially enclosed inner chamber within which a belt-driven torque transmission mechanism is disposed to protect it from foreign objects.

Apparatus capable of running using electric wheels

An apparatus having electric wheels comprises a pair of left and right wheels, rotary electric machines, i.e. motors, for individually driving these wheels, and a control unit for operating the motors. The motors each have a rotation axis offset from that of the wheel, drive the same one wheel of the pair, and are arranged at positions distanced in the radial direction of the axle by the same length, and on the same plane normal to the axial direction of the axle, being apart from each other in the circumferential direction of the axle with a predetermined angle therebetween. In a preferred mode, power is transmitted from the motors to a single wheel through a belt-type transmission mechanism incorporated in the wheel. Responsive and fine driving power control can be performed without sacrificing the cabin space, thereby providing a vehicle having excellent responsiveness, degree of freedom and reliability.

Suspension system equipped with stress-spread suspension and application

L'invention concerne une liaison au sol équipant un essieu d'un véhicule terrestre et comprenant un porte-roue, une roue (3), une coulisse (4b) fixée verticalement au porte-roue, une glissière montée coulissante le long de la coulisse, un élément suspendu (60) lié à la glissière au moins en translation le long de la coulisse (4b), des moyens électriques d'entraînement (7) de la roue, portés par le porte-roue, et des moyens de suspension (8) contrôlant le coulissement de l'élément suspendu (60) sur la coulisse (4b). Selon l'invention, la coulisse est constituée par un barreau unique (4b) et les moyens de suspension de chaque roue arrière comprennent deux organes de suspension (82a, 82b) de type élastique, portés par le porte-roue, disposés symétriquement par rapport au barreau, et propre chacun à appliquer une force élastique de rappel entre le porte-roue et l'élément suspendu (60).

ELECTRIC STEERING AND DRIVING SYSTEM FOR A SKID-STEER VEHICLE

Bremsmodul eines Radmoduls mit einem von einem Antriebsmodul um eine Radachse antreibbaren und unbegrenzt um eine Lenkachse lenkbaren Rad

Die Erfindung betrifft ein Bremsmodul (1) eines Radmoduls (2) mit einem Rad (10), das von einem Antriebsmodul des Radmoduls (2) um eine Radachse (R) antreibbar und um eine Lenkachse (L) lenkbar ist, wobei das Rad (10) an einer Radwelle (11) aufgenommen und von dem Antriebsmodul unbegrenzt um die Lenkachse (L) rotierbar ist, wobei das Bremsmodul (1) eine benachbart zu dem Rad (10) angeordnete und mit dem Rad (10) um die Lenkachse (L) unbegrenzt rotierbare Ankerplatte (20), eine benachbart zu der Ankerplatte (20) und um die Lenkachse (L) fixierte Hubeinheit (30) sowie ein an der Radwelle (11) angeordnetes und mit dem Rad (10) um die Radachse (R) rotierbares Bremsrad (21) aufweist, wobei sich von der Ankerplatte (20) zumindest ein Übertragungselement (22, 22') in Richtung des Bremsrads (21) erstreckt, und wobei die Hubeinheit (30) ausgebildet ist, die Ankerplatte (20) von einem ersten Zustand, in welchem die Ankerplatte (20) und die Hubeinheit (30) sowie das zumindest eine Übertragungselement ...

Electric Wheel Motor Assembly

An electric wheel motor assembly comprising a hub 11, a rotatable wheel rim 13 mounted on the hub, a sun gear 26 fixed to the hub or an annulus gear fixed to the rim, two or more electric motors 15, 16 equi-angularly spaced around the rotary axis of the rim, each motor having a rotor 17, 18 and a stator 23,24 which is fixed to the rim if a sun gear 26 is provided or fixed to the hub 53 if an annulus gear is provided, and a gear 28, 29 driven by each rotor and engaging the sun or annulus gear. The electric motors maybe of the pancake type.

DRIVE UNIT FOR AIRCRAFT RUNNING GEAR WHEELS

A drive unit (16) for an aircraft running gear (2) having at least a first wheel (4) and a second wheel (6) on a common wheel axis (A), wherein the drive unit (16) is drivingly coupleable to at least one of the first and second wheels (4, 6), is characterized in that the drive unit (16) comprises at least one power output assembly (122, 124) for driving at least one of the first and second wheels (4, 6), with each of the at least one power output assembly (122, 124) comprising a power transmission chain (136) selectively engageable with a sprocket element (108, 110) coupled to one of the first and second wheels (4, 6).

ADAPTABLE VEHICLE

The present disclosure is directed at an adaptable vehicle that includes a pair of primary rollers for rolling along a surface on which the vehicle is travelling. At least one of the rollers is rotatably powered. The adaptable vehicle also includes two sets of linking arms, one of which is coupled to one of the rollers and the other of which is coupled to the other of the rollers such that moving the sets of linking arms can shift the axes of rotation of the rollers without impeding rotation of the rollers. The sets of linking arms are connected to and rotatable about an actuatable hub. Actuation of the hub causes at least one set of the linking arms to rotate about the hub and shifts the axis of rotation of at least one of the rollers to allow the vehicle to adapt to its surroundings.

COIL COMPRISING ONE OR MORE JUST ENGINES OF TRACTION

ELECTRICAL WHEEL

CONVEY HAS ELECTRIC DRIVE AND HAS TWO AXLES

DRIVE MECHANISM, ESPECIALLY FOR BUSES

The invention relates to an electrically driven vehicle with single wheel drives (7) belonging to each driving wheel (18), each single wheel drive (7) being located in front of or behind the driving wheel (18) in the direction of travel. The single-wheel drive (7) is connected to the driving wheel (18) by means of a spur gear chain (8), the housing of said spur gear chain (8) forming a part of the suspension (4, 5, 6) of the axle (1) supporting the driving wheel, as a twist beam (2). An advantage of the invention is that the single-wheel drive (7) is located in close proximity to the twist beam (2) head (3), between said beam head (3) and the driving wheel (18), in order to reduce dynamic forces of inertia. The wheel arrangement can be provided as a rigid axle (1) or as a single-wheel suspension (24). The brake actuater (15) may be located outside the range of the driving wheel (18). The single-wheel drive (7) can be constructed from several small electric motors acting upon the spur gear ...

Apparatus and methods for a spherical assembly

A propulsion apparatus and corresponding methods are provided. The apparatus employs weights within a spherical assembly that can rotate within the spherical assembly. Gravity, acting on the weights, causes a moment of a gravitational force to be applied to the spherical assembly, which can cause the spherical assembly to propel. The spherical assembly may also include one or more motors to rotate the weights within the spherical assembly. In some embodiments, the weights include magnetic cores and conductors. The apparatus can include magnetic windings that provide a magnetic flux through which the weights may rotate. The apparatus can also provide an electrical current to the conductors. As the weights with the magnetic cores rotate through the magnetic flux, the apparatus applies a current to the conductors. As such, a magnetic force is applied to the weights, which can propel the spherical assembly.

Verfahren zur Ansteuerung zweier Elektromotoren

Die Erfindung betrifft ein Verfahren zur Ansteuerung eines ersten Elektromotors (M1) und eines zweiten Elektromotors (M2) eines Radantriebsmoduls, wobei das Radantriebsmodul ein Rad (R) und ein Überlagerungsgetriebe (G) umfasst und wobei das Rad (R) mittels des Überlagerungsgetriebes (G) von dem ersten und dem zweiten Elektromotor (M1, M2) gemeinsam um eine Radachse (A) antreibbar und um eine zu der Radachse (A) orthogonale Lenkachse (L) lenkbar ist, wobei aus Rad-Sollwerten, die das Antreiben und/oder das Lenken des Rades (R) kennzeichnen, elektrische Steuersignale zur Ansteuerung des ersten und zweiten Elektromotors (M1, M2) bestimmt werden.

Antriebseinheit für ein elektrisch angetriebenes Niederflurfahrzeug

In-wheel electric motor unit

In-wheel motor

VEHICLE OPERATIONAL AND PROCESS FOR ITS OPERATION

Un vehículo operativo (1), en particular un vehículo de bomberos, que comprende: una carrocería vehicular (2); por lo menos dos pares de ruedas (3) con por lo menos dos ruedas cada uno (6), las que están dispuestas en la carrocería vehicular (2); un acumulador (10) para almacenar energía eléctrica; una unidad de energía secundaria (7) para transformar en energía eléctrica una energía contenida en un combustible; por lo menos un motor eléctrico (11). La unidad de energía secundaria (7) está dispuesta en un bastidor de soporte (14), en donde el bastidor de soporte (14) es modular y está recibido de manera separable en la carrocería vehicular (2).

Traction and suspension system

A suspension system (20) is described for vehicle with a frame, comprising an element (R, 12) propulsive by rolling on the ground; two units (12a, 12b) adapted to impart a torque to the propulsive element that are controllable independently of one another, where the two units are movable relative to the propulsive element independently from one another and rigidly connectable to the frame at one same point (P). By moving one or each unit relative to the propulsive element the distance between the latter and said point is made to vary.

SUSPENSION AND TRACTION SYSTEM FOR VEHICLES

A suspension and traction system (MC) is described for vehicles equipped with a frame and a propulsive element (R.), which by rolling on the ground (T) is adapted to move the vehicle relative to the ground (T). A rotary electric motor (12) operates two rotors (14, 16) independently controllable from one another to supply two epicycloidal mechanisms (20, 30) whose outer ring gears (28, 38) are independently movable to rotate about the respective solar gear (24, 34) and rigidly connected substantially to a same point (P) of the frame.

Antriebseinheit für ein elektrisch angetriebenes Niederflurfahrzeug

Independent dual wheel tractor drive

A casing has an inner end, an outer end, and an internal drive mechanism. The internal drive mechanism has an outer wheel mounting hub at the outer end of the casing and an inner wheel mounting hub at the inner end of the casing, both supported for rotation about an axis. A motor operates the internal drive mechanism to impart rotation to the wheel mounting hubs with equal force whilst allowing the wheel mounting hubs to rotate at different speeds. The internal drive mechanism further has a carrier that is disposed between the inner wheel mounting hub and the outer wheel mounting hub and that is rotated about the axis by the motor. The carrier contains a differential gear mechanism having an outer output shaft for imparting rotation to the outer wheel mounting hub and an inner output shaft for imparting rotation to the inner wheel mounting hub.

Control Device for Vehicle

A control device for a vehicle comprising a moveable element and means for outputting a signal indicative of an angle that a wheel of a vehicle should be rotated through, thereby allowing movement of the vehicle, wherein the indicated angle is based on the degree of movement the moveable element is moved through

In-wheel motor driving device

An object of the present invention is to provide an in-wheel motor driving device which includes a highly adaptable suspension mounting portion, is light weighted, and has reduced drag friction at the time of steering operation. An in-wheel motor driving device comprises: a motor section A which rotates a motor-side rotation member; a speed reducer section B which reduces and transmits rotation of the motor-side rotation member to a wheel-side rotation member; and a wheel hub connected and fixed to the wheel-side rotation member. The above three elements are disposed in series from an inboard side to an outboard side of a vehicle, and suspension mounting brackets are fixed onto an outer surface of the speed reducer section's housing. Arms of a suspension are attached via the suspension mounting brackets.

Vehicle With Electric Transaxle

A vehicle comprises a transaxle, a battery and a load carrying bed. The transaxle includes a casing incorporating a drive train and supporting an axle and includes an electric motor mounted on the casing to drive the axle via the drive train. The battery is provided for supplying electric power to the electric motor. The transaxle and the battery are disposed below the load carrying bed so as to overlap the load carrying bed when viewed in plan.

Electrically-operated two-wheeled vehicle

An electrically-operated two wheeled vehicle provided with a swing unit which pivotally supports a drive wheel WR. The swing unit includes: a first rotary electric machine having a first rotor; a second rotary electric machine having a second rotor; and a planetary gear mechanism which combines a rotational drive force of the first and second rotors to each other and transmits a product of rotational drive forces to a drive wheel WR in a state where a rotational speed is increased. The first and second rotary electric machines are arranged parallel to each other in the longitudinal direction of a vehicle such that an axis Ax 2 of the second rotor is positioned in front of an axis Ax 1 of the first rotor along the vehicle body. This arrangement prevents a height position of a lower surface of a swing unit from becoming excessively low.

Motor-Driven Hub Including an Electric Traction Machine

A motor-driven hub ( 1 ) for electrically driving an axle of a motor vehicle, said motor-driven hub including a hub ( 7 ) configured to receive a wheel ( 2 ), the hub ( 7 ) being rotatably mounted with respect to a hub carrier ( 5 ) about a hub axis (M), the motor-driven hub including an electric traction machine ( 3 ), the electric machine including an external stator ( 32 ) connected to the hub carrier and an internal rotor, the rotation of the rotor of the electric machine being permanently coupled to the rotation of the hub by means of reduction means ( 4 ), the reduction means ( 4 ) including a motor pinion gear ( 42 ) connected to the rotor of the electric machine and a crown gear ( 45 ) connected to the hub ( 7 ), the motor-driven hub also comprising mechanical disk braking means ( 12 ), wherein the reduction means include two stages of reduction and the brake disk is placed on the outside of the hub carrier with respect to the vehicle.

Electric Motor

A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a coil that is configured to reciprocate relative to the magnetic stator assembly or to linearly translate in a common direction relative to the magnetic stator assembly. The electromagnetic actuators are coupled to the linear-to-rotary converter and upon reciprocation or linear translation, drive the linear-to-rotary converter in rotary or linear motion. The device may be located inside a wheel, which may be part of a vehicle. If part of a wheel of a vehicle, the device can be used to provide propulsion, steering, braking, and suspension for the vehicle.

Tire/Wheel Assembly

A tire/wheel assembly includes a cylindrical annular structure, a rubber material layer provided on a periphery of the annular structure and that faces a circumferential direction of the annular structure, and a plurality of curved metal spring members provided between the annular structure and an electric motor disposed on the inner side of the annular structure that transfers rotation of a rotor of the electric motor to the annular structure.

Downhole driving unit having a hydraulic motor with a planetary gearing system

The present invention relates to a downhole driving unit ( 11 ) for insertion into a well, comprising a driving unit housing ( 51 ), a hydraulic motor ( 23 ) comprising a hydraulic motor housing ( 93 ), a wheel assembly ( 90 ) comprising a stationary part ( 91 ) and a rotational part ( 92 ), the stationary part being connected with the driving unit housing and being rotatably connected with a rotational part, the wheel assembly comprising a wheel ring ( 99 ) for contacting an inner wall in the well and connected with or forming part of the rotations part. The wheel assembly further comprises the hydraullic motor ( 23 ) so that the stationary part and the rotational part constitute the hydraulic motor housing, the hydraulic motor comprising a rotatable section ( 84 ) connected with the rotational part for rotating part of the wheel assembly. Furthermore, the wheel assembly comprises a planetary gearing system ( 95 ) comprised in the hydraulic motor housing and the hydraulic motor comprises a rotatable section driving the wheel ring through the planetary gearing system. The invention furthermore relates to a downhole system comprising the driving unit and to use of such driving unit.

Downhole driving unit having a hydraulic motor in a wheel

The present invention relates to a downhole driving unit (11) (for insertion into a well, comprising a driving unit housing (51), an arm assembly (60) movable between a retracted position and a projecting position in relation to the driving unit housing, an arm activation assembly (41) arranged in the driving unit housing for moving the arm assembly between the retracted position and the projecting position and a wheel assembly (90) comprising a stationary part (91) and a rotational part (92), the stationary part being connected with or forming part of the arm assembly and being rotatably connected with a rotational part. The wheel assembly comprises a hydraulic motor comprising a hydraulic motor housing (93) and a rotatable section (84) connected with the rotational part for rotating part of the wheel assembly. Furthermore, the present invention relates to a downhole system comprising said driving unit and to use of such driving unit.

Mounting structure for in-wheel motor system

Disclosed herein is a mounting structure for an in-wheel motor system. The mounting structure includes the in-wheel motor system installed in a wheel of the vehicle, and a torsion beam axle (TBA) assembly to fix the in-wheel motor system to a vehicle body, wherein a rear portion of a motor housing includes a step portion formed in a stepped manner to have a decreased diameter, and a ring-shaped fastening face vertically arranged from the step portion, and the TBA assembly includes a trailing arm provided with a through hole to surround the step portion of the motor housing, a mount integrated with the trailing arm to fix the trailing arm to a vehicle body, and a plurality of fastening bolts to fix the motor housing to the trailing arm, wherein, when the step portion is fitted and coupled into the through hole, the fastening face closely contacts the trailing arm.

Lubrication control apparatus for vehicle in-wheel motor unit

Each oil pump ( 32 ) is drivingly controlled in such a way that, in a low vehicle speed region lower than a set vehicle speed VSP 1 at which a stirring resistance by oil within an in-wheel unit case ( 3 ) is not in excess of an allowance level, a suction and supply quantity denoted by a solid line characteristic is provided. In other words, the oil pump(s) is stopped until the vehicle speed reaches to a predetermined vehicle speed VSP 0 at which a remaining oil within an oil passage is scattered in all directions and becomes disappeared after the start of vehicle in an oil pump stopped state including a vehicle stop at which the lubrication is not necessary.

Motor housing integrated-type spoke for electric bicycle, manufacturing method thereof, wheel assembly having the same and manufacturing method thereof

A motor housing integrated type spoke for an electric bicycle and a manufacturing method thereof, a wheel assembly having the same, and a manufacturing method thereof, the motor housing integrated type spoke coupled to a rim and including a motor housing, which is provided at a center of the motor housing integrated-type spoke to accommodate a motor, the motor housing integrally formed with the motor housing integrated-type spoke through an injection molding.

CORNER MODULE FOR VEHICLE

The present disclosure in at least one embodiment provides a corner module for a vehicle, including a front-wheel corner module configured to drive a front wheel and including a front-wheel inwheel motor installed on the front wheel to generate a driving force and a friction braking device configured to generate a braking force on the front wheel, a rear-wheel corner module configured to drive a rear wheel and including a rear-wheel inwheel motor installed on the rear wheel to generate a driving force, a driving information detector configured to detect driving information of the vehicle, and an electronic control unit configured to control the front-wheel corner module to form a friction braking force by using the driving information and to control the rear-wheel corner module to form a regenerative braking force, wherein the front-wheel corner module uses the front-wheel inwheel motor that is provided with a lower specification than the rear-wheel inwheel motor to save the manufacturing cost, and the rear-wheel corner module has no friction braking device installed so that the rear-wheel inwheel motor is undamaged by heat. 1. A corner module for a vehicle , comprising:a front-wheel corner module configured to drive a front wheel of the vehicle, the front-wheel corner module including a front-wheel inwheel motor installed on the front wheel and configured to generate a driving force on the front wheel, and a friction braking device configured to generate a braking force on the front wheel;a rear-wheel corner module configured to drive a rear wheel, and including a rear-wheel inwheel motor installed on the rear wheel and configured to generate a driving force on the rear wheel;a driving information detector configured to detect driving information of the vehicle; andan electronic control unit (ECU) configured to control the front-wheel corner module to form a friction braking force by using the driving information and to control the rear-wheel corner module to form ...

WHEEL SUPPORT PROVIDED WITH PIPES FOR SUPPLYING A HYDRAULIC DEVICE

The present invention relates to an assembly comprising —an axle (), —a steering pivot () mounted on the axle (), —a wheel spindle () mounted on the pivot (), —a hydraulic motor and a wheel mounted on said spindle (), such that the spindle () is pivotally mounted relative to the axle (), the axle (), the spindle () and the pivot () being provided with communicating hydraulic pipes to supply the hydraulic motor with fluid, the hydraulic pipes being arranged in the axle (), the pivot () and the spindle, the pivot () comprising a shaft member fitted in the axle () about which the spindle () is fitted, the axle () and the spindle () each comprising grooves connected respectively to the hydraulic pipes of the axle () and the spindle () in such a way as to form the rotating joint with the hydraulic pipes of the pivot (). 1. An assembly , comprising ,{'b': '1', 'an axle (),'}{'b': 2', '1, 'a steering pivot () mounted on the axle (),'}{'b': 3', '2, 'a wheel spindle () mounted on the pivot (),'}{'b': 3', '3', '1', '1', '3', '2', '1', '2', '3', '2', '1', '2', '3', '3', '1, 'a hydraulic motor and a wheel mounted on said spindle (), so that the spindle () is pivotally mounted relative to the axle (), the axle (), the spindle () and the pivot () being provided with communicating hydraulic pipes for supplying the hydraulic motor with fluid, the hydraulic pipes being laid out in the axle (), the pivot () and the spindle () so that the pivot () produces a rotating joint ensuring the fluidic connection of said pipes laid out in the axle (), the pivot () and the spindle () upon pivoting the spindle () relative to the axle (),'}{'b': 2', '1', '3', '1', '3', '1', '3', '2, 'characterized in that the pivot () comprises a shaft member fitted into the axle (), and in which said hydraulic pipes are laid out, the spindle () being pivotally mounted on the shaft member, the axle () and the spindle () each comprising grooves extending around said shaft member and respectively connected to the ...

Spherical Drive Wheel

A two-axis spherical wheel or ball-wheel is provided wherein hemispheres (or spherical caps) rotate independently about a transverse or spherical axis and rotate dependently about an axial or longitudinal axis. In this way, a ball-wheel supports a vehicle chassis and drives (e.g., translates or rotates) the vehicle in any direction. Systems of ball-wheels are also disclosed. Two, three, four, or more ball-wheels can be joined in a system to support, translate, and/or rotate a vehicle without requiring the vehicle to turn. The ball-wheels include protective features to prevent debris from entering a drive system. Protective features may include springs and/or dampers to absorb impact forces on the vehicle chassis. Orienting the ball-wheels about a center point of the vehicle chassis enhances support and control of the vehicle. 1. A ball-wheel and wheel drive system comprising: a first pole on the first spherical cap;', 'a first base of the first spherical cap including a first center opposite the first pole;', 'a first motor coupled to the first center and configured to rotate the first spherical cap; and, 'a first spherical cap comprising a second pole on the second spherical cap;', 'a second base of the second spherical cap including a second center opposite the second pole, the second base of the second spherical cap being parallel and opposite the first base of the first spherical cap to form a spherical zone, wherein a spherical axis is defined through the first pole and the second pole; and', 'a second motor coupled to the second center and configured to rotate the second spherical cap;, 'a second spherical cap comprisinga shaft coupled to the first center and the second center, the shaft defining an axial axis; wherein the first motor is configured to rotate the first spherical cap about the spherical axis independently from the second motor that is configured to rotate the second spherical cap about the spherical axis; anda third motor coupled to the shaft, ...

Self-propelled tandem axle trailer

A trailer for towing by a power vehicle is provided and generally includes a frame and a tandem wheel assembly. The frame forms an undercarriage chassis which the tandem wheel assembly is positioned there under. The undercarriage chassis includes a steerable rear wheel assembly, a steerable front wheel assembly, and an extension assembly moving the front wheel assembly between trailing position and a self-propelled position where the rear wheel assembly and the front wheel assembly are positioned to equally support the undercarriage chassis.

ELECTRIC VEHICLE AND DRIVING SYSTEM FOR ELECTRIC VEHICLE

A driving system for an electric vehicle comprises a motor () comprising a first output shaft () and a gearbox () comprising a second output shaft () attachable to a wheel () of the electric vehicle. The first output shaft () is capable of driving the second output shaft () to rotate by engagement of gears of the gearbox (). The first output shaft () is hollow, and the second output shaft () extends through the first output shaft () so that the second output shaft () is disposed coaxially with the first output shaft (). An electric vehicle comprising the driving system is disclosed. The driving system is possible to improve the balancing, the passing ability and the visual appearance of the electric vehicle. 11. A driving system () for an electric vehicle , the driving system comprising:{'b': 3', '11, 'a motor () comprising a first output shaft (); and'}{'b': 17', '27', '33', '11', '27', '17, 'a gearbox () comprising a second output shaft () attachable to a wheel () of the electric vehicle, the first output shaft () being capable of driving the second output shaft () to rotate by engagement of gears of the gearbox ();'}{'b': 11', '27', '11', '27', '11, 'wherein the first output shaft () is hollow, and the second output shaft () extends through the first output shaft () so that the second output shaft () is disposed coaxially with the first output shaft ().'}2135759711959. The driving system () for the electric vehicle according to claim 1 , wherein the motor () further comprises a motor housing () claim 1 , a stator () disposed fixedly within the motor housing () claim 1 , and a rotor () disposed rotatably within a central space defined by the stator () claim 1 , wherein the first output shaft () is fixed onto the rotor () and supported rotatably by the motor housing () to be rotatable with the rotor ().31171921212323251911192111232725ababab. The driving system () for the electric vehicle according to claim 1 , wherein the gearbox () comprises a gearbox housing () ...

IN-WHEEL MOTOR SYSTEM

An in-wheel motor system can drive an in-wheel motor stably, and also allows power feeding from the road surface, even when transmission and reception coils are misaligned. An in-wheel motor system () includes a power transmitter () that utilizes a resonance phenomenon using a magnetic field. The power transmitter () transmits power (P) wirelessly from the vehicle body to an in-wheel motor () mounted in a wheel. The in-wheel motor system () may also include a communication interface () that communicates between the vehicle body and the wheel, and the communication interface () may transmit a control signal (CTL) for driving the in-wheel motor. 1. An in-wheel motor system comprising:a power transmitter that utilizes a resonance phenomenon using a magnetic field; whereinthe power transmitter transmits power wirelessly from a vehicle body to an in-wheel motor mounted in a wheel.2. The in-wheel motor system of claim 1 , further comprising:a communication interface configured to communicate between the vehicle body and the wheel; whereinthe communication interface wirelessly transmits a control signal for driving the in-wheel motor.3. The in-wheel motor system of claim 2 , further comprising:the in-wheel motor;a motor conversion unit configured to convert a first DC voltage into a motor AC voltage that drives the in-wheel motor during powering;a wheel side capacitor configured to smooth the first DC voltage during powering; anda wheel side conversion unit configured to convert a first AC voltage from a wheel side coil into the first DC voltage during powering; wherein the wheel side coil, configured to receive wirelessly transmitted power at the wheel side during powering; and', 'a wheel side resonance capacitor inserted in series between the wheel side conversion unit and the wheel side coil., 'the power transmitter comprises4. The in-wheel motor system of claim 3 , further comprising:a wheel side controller configured to control, with a first control signal, switching ...

MULTI-WHEEL TRANSMISSION

The present disclosure includes a transmission comprising a first wheel assembly including a first wheel, a first drive gear coupled to the first wheel such that driving the first drive gear causes a corresponding rotation of the first wheel, and a first motor coupled to the first drive gear to drive the first drive gear. The transmission also includes a second wheel assembly that includes, a second wheel, a second drive gear coupled to the second wheel such that driving the second drive gear causes a corresponding rotation of the second wheel, and a second motor coupled to the second drive gear to drive the second drive gear. 1. A transmission comprising: a first wheel;', 'a first drive gear coupled to the first wheel such that driving the first drive gear causes a corresponding rotation of the first wheel; and', 'a first motor coupled to the first drive gear to drive the first drive gear;, 'a first wheel assembly including 'a second wheel of a size within ten percent of the first wheel;', 'a second wheel assembly including 'a second motor coupled to the second drive gear to drive the second drive gear.', 'a second drive gear coupled to the second wheel such that driving the second drive gear causes a corresponding rotation of the second wheel, the second drive gear a different size from the first drive gear by between approximately ten percent and two hundred percent; and'}2. The transmission of claim 1 , wherein the first drive gear drives the first wheel by driving a ring gear coupled to a rim of the first wheel.3. The transmission of claim 1 , wherein the first drive gear drives the first wheel via static friction between the first drive gear and a rim of the first wheel.4. The transmission of claim 1 , wherein the first motor is configured to rotate a first drive shaft at a first speed and the second motor is configured to rotate a second drive shaft at a second speed.5. The transmission of claim 1 , further comprising: a third wheel approximately the same ...

HYDRAULIC MOTOR FOR VEHICLE WHEEL

A hydraulic motor for vehicle wheel includes a hydrodynamic element, a reaction element, an oil distributor rotating as one with the reaction element, and a brake mounted between the two elements to oppose the rotational movement. The hydrodynamic element has a flange that surrounds the oil distributor. On its radially exterior face, it has means for rotationally coupling with the rotary discs of the brake. The brake is thus positioned around the distributor. 134.-. (canceled)35. An apparatus comprising a hydraulic motor for a vehicle wheel , said hydraulic motor comprising a hydrodynamic element , a reaction element , a front bearing , a rear bearing , a support , an oil distributor , and a brake , wherein said hydrodynamic element comprises cells , pistons mounted so as each to slide in a respective cell , thereby defining a variable-volume chamber therein , and ducts that lead into said cells in order to communicate with said chambers , wherein said reaction element comprises an annular cam on which an active face of each piston acts , wherein said front and rear bearings at least indirectly enable said reaction element and said hydrodynamic element to rotate with respect to each other about an axis of rotation , wherein said support is rotationally linked to one of said elements , said vehicle wheel being rotationally linked to the other of said elements when in use , wherein said oil distributor rotates as one with said reaction element and brings said ducts selectively into communication with an oil supply line and a return line depending on an angular position thereof relative to said hydrodynamic element , and wherein said brake is mounted functionally between said two elements in order to selectively prevent rotational movement , said brake having at least one first braking surface rotationally coupled to said hydrodynamic element , and a second braking surface rotationally coupled to said reaction element , wherein each piston is mounted radially with ...

AN ELECTRIC VEHICLE SYSTEM COMPRISING A HYDRAULIC SYSTEM

Disclosed is an electric vehicle with an architecture suitable for an electro- hydraulic propulsion that decouples the drive to allow greater freedom in the location of the major components for different types of vehicles and achieve optimal weight distribution and low centre of gravity. This brings fourth significant improvements in vehicle dynamics that improve basic performance driven by a lower centre of gravity and reduced polar moment which improves stability, braking, road holding and reduced tyre wear. The improvements increase basic corner speeds to the limit. 1. An electric vehicle system comprising;a hydraulic motor/pump;a propulsion system comprising;an electric motor/generator driving or driven by the hydraulic motor/pump for providing hydraulic power for the propulsion of the vehicle:at least one accumulator in hydraulic communication with the hydraulic motor/pump capable of storing and supplying hydraulic fluid as commanded by the vehicle control system;at least one wheel drive motor/pump unit that transfer energy to the vehicle wheels when supplied by hydraulic power transfer energy back to the hydraulic system;a valve system to control the flow between the propulsion system, the wheel mounted motor/pump unit and the storage system;at least one battery system to supply and store electrical energy as commanded by the vehicle control system;a bi-directional converter for the control of the motor generator and transferring power between the electrical energy storage and the hydraulic system;and not including an internal combustion engine.2. The electric vehicle system according to wherein the at least one accumulator'includes a compressor and so that the accumulator is capable of being charged either by inputting hydraulic pressure or via the compressor claim 1 ,3. The propulsion system according to claim 1 , wherein said propulsion system comprises an electric motor/generator coupled to a hydraulic motor/pump operating at a very high speed decoupled ...

ELECTRIC WHEEL, REMOTE CONTROLLER AND VEHICLE COMPRISING THE ELECTRIC WHEEL

An electric wheel, a remote controller, a vehicle using the electric wheel, and a method for driving a vehicle are disclosed. The electric wheel include a fixed wheel hub, a rotary wheel hub, a tire, a driving motor, and a battery and control unit. The fixed wheel hub may be connected with a vehicle shaft. The rotary wheel hub is mounted on the fixed wheel hub, with an accommodating cavity defined therebetween. The tire is attached around the rotary wheel hub. The driving motor is received in the accommodating cavity and configured to drive the rotary wheel hub. The battery and control unit is received in the accommodating cavity and configured to supply power to the driving motor and control operation of the driving motor. The battery and control unit comprising an embedded power supply to supply the power to the driving motor. 113-. (canceled)14. A remote controller configured to control a vehicle , the vehicle including a pair of front wheels and a pair of rear wheels , at least one pair of the pair of front wheels and the pair of rear wheels being a pair of electric wheels , the pair of electric wheels including a left wheel and a right wheel , each of the pair of electric wheels comprising:a fixed wheel hub configured to be connected with a shaft of the vehicle;a rotary wheel hub mounted on the fixed wheel hub, with an accommodating cavity defined therebetween; anda driving motor received in the accommodating cavity and configured to drive the rotary wheel hub; andwherein the remote controller comprises:a forward/backward control module configured to control forward movement and backward movement of the electric wheels;a speed and brake control module configured to control speed and brake of the electric wheels;a turn control module configured to control turn of the vehicle;an electronic differential module configured to obtain respective rotation speeds of the left and right wheels through a differential calculation according to control signals from the ...

Axle Drive

An axle drive () for a motor vehicle axle includes at least a first drive unit (), a second drive unit (), and an output axle (). The first and second drive units () are arranged such that an overall center of gravity () of the axle drive () is situated proximate to a center of the output axle () and/or an axis of rotation of a vehicle wheel of the motor vehicle driven by the axle drive (). 18-. (canceled)91. An axle drive () for a motor vehicle axle , comprising:{'b': '2', 'a first drive unit ();'}{'b': '2', 'a second drive unit (); and'}{'b': '6', 'an output axle (),'}{'b': 2', '7', '1', '6', '1, 'wherein the first and second drive units () are positioned such that an overall center of gravity () of the axle drive () is situated proximate a center of the output axle () and/or an axis of rotation of a vehicle wheel driven by the axle drive ().'}101234. The axle drive () of claim 9 , wherein the first and second drive units () each include an electric machine () and a transmission ().1114. The axle drive () of claim 10 , wherein each of the transmissions () is a countershaft transmission or is a planetary transmission.1212324. The axle drive () of claim 9 , wherein the first and second drive units () each include an electric machine () claim 9 , and the first and second drive units () share a common transmission ().1314. The axle drive () of claim 12 , wherein the common transmission () is a countershaft transmission or is a planetary transmission.14126. The axle drive () of claim 9 , wherein the first and second drive units () are arranged symmetrically about the center of the output axle ().15126. The axle drive () of claim 9 , wherein the first and second drive units () are each arranged equidistant from the output axle ().16125526. The axle drive () of claim 9 , wherein each of the first and second drive units () comprises a respective input axle () claim 9 , and the input axles () of the first and second drive units () are arranged at the same height (z) as the ...

IN-WHEEL MOTOR DRIVE DEVICE

An in-wheel motor drive device includes: a wheel hub bearing portion having an inner ring integrally rotating with a wheel, an outer ring facing the inner ring via a radial gap, and a hub attachment arranged on a more outer diameter side than the outer ring and mounted and fixed to the outer ring; a motor portion driving the inner ring; a casing housing a rotation transmission path from a motor rotation shaft of the motor portion to the inner ring; a suspending bracket having an upper joining seat portion joinable with an upper side suspension member of a suspension device, a lower joining seat portion joinable with a lower side suspension member of the suspension device, and an intermediate portion connecting the upper joining seat portion and the lower joining seat portion; and fixing means for mounting and fixing the suspending bracket to the hub attachment. 1. An in-wheel motor drive device , comprising:a wheel hub bearing portion having an inner ring integrally rotating with a wheel, an outer ring facing the inner ring via a radial gap, a plurality of rolling elements interposed in the radial gap, and a hub attachment arranged on a more outer diameter side than the outer ring and mounted and fixed to the outer ring;a motor portion driving the inner ring;a casing housing a rotation transmission path from a motor rotation shaft of the motor portion to the inner ring;a suspending bracket having an upper joining seat portion and a lower joining seat portion joinable with a suspension device and an intermediate portion connecting the upper joining seat portion and the lower joining seat portion; andfixing means for mounting and fixing the suspending bracket to the hub attachment.2. The in-wheel motor drive device according to claim 1 , wherein:the casing is interposed between the hub attachment and the suspending bracket;the suspending bracket has a protruding portion extending towards the wheel hub bearing portion and coming into contact with the hub attachment; ...

WORKING VEHICLE WITH TRAVELING DEVICE HAVING WHEELS

A traveling device () is provided with an electric motor () provided in a vehicle body () of a dump truck (), an output shaft () an axial base end of which is connected to the electric motor () and which outputs rotation of the electric motor (), a bottomed hole spline () formed in an axial front end of the output shaft (), and an input shaft () which has a shaft spline () spline-coupled to the hole spline (), and inputs the rotation of the output shaft () to a reduction gear mechanism (). The output shaft () is provided with an oil reservoir space () formed in the innermost part of the hole spline (), an annular oil groove () and an oil path () providing communication between the oil reservoir space () and the annual oil groove (). Lubricant oil () supplied to the annular oil groove () is supplied via the oil path () to the oil reservoir space (), and is supplied to a spline joint between the hole spline () and the shaft spline () with rotation of the output shaft (). 1. A working vehicle with a traveling device having wheels , comprising:an electric motor provided on a vehicle body of a working vehicle having wheels;an output shaft an axial base end of which is connected to the electric motor and which outputs rotation of the electric motor;a reduction mechanism which is provided in the vehicle body and reduces rotation of the output shaft to be transmitted to the wheels;a bottomed hole spline formed in an axial front end of the output shaft; andan input shaft which has a shaft spline spline-coupled to the hole spline and inputs the rotation of the output shaft to the reduction mechanism, characterized in that:the output shaft is provided with;an oil reservoir space which is formed in an axial innermost part of the hole spline to reserve the lubricant oil,an entire circumference oil path which is separated axially toward the base end side from the oil reservoir space and is formed over an entire circumference in an outer circumference side of the output shaft, ...

Hybrid driving apparatus

A hybrid driving apparatus is provided which enables a driver to sufficiently enjoy a driving feeling of a vehicle driven by an internal combustion engine. A hybrid driving apparatus includes an internal combustion engine that drive main driving wheels, a motive power transmission mechanism transmitting a driving force to the main driving wheels, a main driving electric motor driving the main driving wheels, an accumulator, sub-driving electric motors transmitting motive power to sub-driving wheels of the vehicle, and a control apparatus executing an electric motor traveling mode and an internal combustion engine traveling mode. The control apparatus causes the internal combustion engine to generate the driving force, the internal combustion engine is a flywheel-less engine, and the control apparatus causes the main driving electric motor to generate a torque for maintaining idling of the internal combustion engine in the internal combustion engine traveling mode.

A bearing arrangement for an electric motor or generator

A bearing arrangement for mounting a wheel and an electric motor or generator having a stator and a rotor to a vehicle, the bearing arrangement comprising a sealing element and a bearing block, wherein the bearing block includes a first coupling element for coupling to a first radial wall of the rotor and the wheel, and a second coupling element for coupling to the stator and/or the vehicle, with a first bearing mounted between the first coupling element and the second coupling element to allow the first coupling element and the second coupling element to rotate relative to each other, wherein the first coupling element includes a mounting flange having a bolt hole arranged to extend through the mounting flange for receiving a bolt at a first aperture of the bolt hole for coupling the rotor and the wheel to the first coupling element, wherein the sealing element is arranged to be mounted over a second aperture of the bolt hole for inhibiting the ingress of dirt through the bolt hole.

BALL-BALANCING ROBOT AND DRIVE ASSEMBLY THEREFOR

A ball-balancing drive assembly includes a ball having a ball surface and a reference axis extending through a centroid of the ball. Three omniwheel assemblies, each having a motor with a motor axle and an omniwheel configured to rotate around the motor axle are mounted on a chassis configured for supporting the three omniwheel assemblies at radially symmetric spacings with the motor axles oriented at an angle relative to the reference axis and the omniwheels oriented in mutually-orthogonal planes. Each omniwheel frictionally contacts the ball surface to convert rotational motion of the motor axle to torque on the ball. 1. A ball-balancing drive assembly , comprising:a ball having a ball surface and a reference axis extending through a centroid of the ball;three omniwheel assemblies, each omniwheel assembly comprising a motor having a motor axle and an omniwheel configured to rotate around the motor axle;a chassis configured for supporting the three omniwheel assemblies at radially symmetric spacings with the motor axles oriented at an angle relative to the reference axis and the omniwheels oriented in mutually-orthogonal planes, wherein each omniwheel frictionally contacts the ball surface to convert rotational motion of the motor axle to torque on the ball.2. The ball-balancing drive assembly of claim 1 , wherein the ball surface has an equator corresponding to a plane perpendicular to the reference axis that bisects the ball claim 1 , wherein the omniwheels frictionally contact the ball surface within a mid-latitude range near the equator.3. The ball-balancing drive assembly of claim 2 , wherein the mid-latitude range comprises 20° N to 30° N of the equator.4. The ball-balancing drive assembly of claim 1 , wherein angle relative to the reference axis is within a range of 45° to 80°.5. The ball-balancing drive assembly of claim 1 , wherein the angle relative to the reference axis is within a range of 60° to 70°.6. The ball-balancing drive assembly of claim 1 , ...

Pneumatic powered mobility devices

A personal mobility device includes a frame, a plurality of wheels attached to the frame and one or more pneumatic motors. Each of the one or more pneumatic motors has a drive shaft in operative connection with at least one of the plurality of wheels. The personal mobility device further includes at least one tank (that is, a storage container) for storage of a pressurized gas in operative connection with the one or more pneumatic motors to supply pressurized gas to the one or more pneumatic motors and a control system in operative connection with the at least one tank and with the one or more pneumatic motors.

Convertible Scooter

Foldable electrical vehicles and related charging infrastructure are described. The foldable electrical vehicle generally includes three structural members (front and rear wheel-bearing structural members and a seat-bearing structural member) that are pivotally interconnected along their lengths such that they may be pivoted between a closed position wherein the three structural members are disposed roughly parallel to each other in a compact folded configuration, and an open riding configuration wherein an angular relation is formed between the structural members.

WHEEL FOR A ROAD VEHICLE

Disclosed is road vehicle wheel with an in-wheel electric motor that includes a rim configured for mounting at least one tire on the rim; a rim support configured for supporting the rim on a non-rotating wheel part to allow rotation of the rim with respect to the non-rotating wheel part; a stator of the in-wheel electric motor, the stator including electromagnets and being supported on the non-rotating wheel part; and a rotor of the in-wheel electric motor, the rotor including permanent magnets and being supported on the rim support such that any forces exerted on the rim do not act on the rotor. The rim is supported such that any forces exerted on the rim are directly born by the rim support and is not in direct contact with the rotor. 126-. (canceled)271012. A road vehicle wheel () with an in-wheel electric motor () , the wheel comprisinga rotation axis (R);{'b': 120', '11, 'A rim () configured for mounting at least one tire () on the rim;'}{'b': 121', '121', '122', '122', '200, 'i': a,', 'a, 'a rim support (,,) configured for supporting the rim on a non-rotating wheel part () to allow rotation of the rim with respect to the non-rotating wheel part;'}{'b': 210', '211, 'A stator () of the in-wheel electric motor, the stator comprising electromagnets () and being supported on the non-rotating wheel part, and'}{'b': 110', '111', '13', '1', '13', '2, 'a rotor () of the in-wheel electric motor, the rotor comprising permanent magnets () and being supported on the stator via at least one bearing (.,.), wherein'}The rim is sized and configured for mounting two tires,{'b': 200', '220, 'the non-rotating wheel part () comprises a hollow shaft () with at a road side'}{'b': 13', '1', '121', '121', '122', '122', '13', '1, 'i': a', 'a, 'the at least one bearing (.), the bearing carrying the rim support (,,,), which rim support is axially situated at or near the bearing (.),'}{'b': 121', '121', '122', '122', '110, 'i': a,', 'a, 'wherein the rim at each tire position axially ...

MULTI-SPEED HUB DRIVE WHEELS

A multi-speed hub drive wheel is provided which includes a wheel equipped with a hub; a star compound gear train having first and second stages; a motor disposed in the hub which drives the wheel by way of the star compound gear train; and a clutch which switches the hub drive wheel between a first mode of operation in which the motor engages the first stage of the star compound gear train, and a second mode of operation in which the motor engages the second stage of the star compound gear train. 1. A multi-speed hub drive wheel , comprising:a wheel equipped with a hub;a star compound gear train having first and second stages;a motor disposed in said hub which drives said wheel by way of said star compound gear train; anda clutch which switches the hub drive wheel between a first mode of operation in which the motor engages the first stage of the star compound gear train, and a second mode of operation in which the motor engages the second stage of the star compound gear train.2. The multi-speed hub drive wheel of claim 1 , wherein said clutch switches the hub drive wheel between said first and second modes of operation claim 1 , and a third mode of operation in which the motor does not engage the first or second stages of the star compound gear train.3. The multi-speed hub drive wheel of claim 1 , wherein the first stage of the star compound gear train is equipped with a first pinion claim 1 , wherein the second stage of the star compound gear train is equipped with a second pinion claim 1 , wherein said motor engages the first stage of the star compound gear train by way of said first pinion claim 1 , and wherein said motor engages the second stage of the star compound gear train by way of said second pinion.4. The multi-speed hub drive wheel of claim 1 , wherein said motor is a switched reluctance motor.5. The multi-speed hub drive wheel of claim 4 , wherein said motor is driven by a reconfigurable inverter to provide first and second operating regimes.6. The ...

MODULAR ROBOTIC VEHICLE

A modular robotic vehicle (MRV) having a modular chassis configured for a vehicle utilizing two-wheel steering, four-wheel steering, six-wheel steering, eight-wheel steering controlled by a semiautonomous system or an autonomous driving system, either system is associated with operating modes which may include a two-wheel steering mode, an all-wheel steering mode, a traverse steering mode, a park mode, or an omni-directional mode utilized for steering sideways, driving diagonally or move crab like. Accordingly, during semiautonomous control a driver of the modular robotic vehicle may utilize smart I/O devices including a smartphone, tablet like devices, or a control panel to select a preferred driving mode. The driver may communicate navigation instructions via smart I/O devices to control steering, speed and placement of the MRV in respect to the operating mode. Accordingly, GPS and a wireless network provides navigation instructions during an autonomous operation involving driving, parking, docking or connecting to another MRV. 1. A modular robotic vehicle comprising:one or more modular chassis, said one or more modular chassis including a frame comprising metal brackets said metal bracket constructing: right and left side sections, or front and rear right and left corners, or a combination of front and rear right and left corners and right and left side sections;one or more robotic drive wheels arranged on said right and left side sections, or arranged on said front and rear right and left corners, or arranged on said a combination of front and rear right and left corners and right and left side sections of said modular chassis;wherein each of said one or more robotic drive wheels are configured with a drive wheel array including; a tire, an axle, a hub, a motor, an electric motor or a geared motor type providing fore and aft propulsion, braking, and a suspension module, an actuated brake, a hanger arm, a housing, a steering controller, a coupling bracket, and ...

Electric motor and brake assembly

A motor and brake assembly includes a mounting member. A stator winding assembly, a brake assembly, a hub, and a rotor magnet assembly. The stator winding assembly is mounted to the mounting member. The brake assembly is operably connected to the mounting member. The hub is rotatably coupled to the mounting member. The rotor magnet assembly is mounted to an inside of a radially outer wall of the hub. The brake assembly is operable to move a component of the brake assembly between an engaged position where the component engages the inside of the radially outer hub wall and a disengaged position where the component is spaced apart from the inside of the radially outer hub wall.

IN-WHEEL WORKING DEVICE

An in-wheel working device including: a stator fixed to the inside of a housing, a rotor rotatably installed in the stator, a rotating part rotatably installed in the housing, and rotated with the rotor, a resolver fixing part fixed to the inside of the housing, and a resolver moving part. The resolver moving part includes a resolver rotor positioned outside the resolver fixing part and facing the resolver fixing part, and a cover part fixed to the rotating part and covering the resolver rotor. 1. An in-wheel working device comprising:a stator fixed to the inside of a housing;a rotor rotatably installed in the stator;a rotating part rotatably installed in the housing, the rotating part being configured to be rotated with the rotor;a resolver fixing part fixed to the inside of the housing; and a resolver rotor positioned outside the resolver fixing part facing the resolver fixing part; and', 'a cover part fixed to the rotating part and covering the resolver rotor., 'a resolver moving part comprising2. The in-wheel working device of claim 1 , wherein the cover part is injection-molded in a shape to cover the resolver rotor.3. The in-wheel working device of claim 2 , wherein the rotating part comprises:a mounting frame installed in a shape to cover the rotor; anda motor shaft connected to the mounting frame, having a hollow portion formed therein, and rotatably installed in the housing.4. The in-wheel working device of claim 3 , wherein the cover part is fixed to the mounting frame and has a larger inner diameter than an outer diameter of the resolver fixing part.5. The in-wheel working device of claim 3 , further comprising:a gear shift part configured to shift gears using power received from the motor shaft; anda drive shaft passing through the inside of the motor shaft, and configured to be rotated by power received from the gear shift part.6. The in-wheel working device of claim 1 , wherein the cover part comprises:a first cover installed in a shape to cover a ...

A WHEEL HUB DRIVE SYSTEM

A wheel hub drive system includes a drive motor with a drive shaft, an input planetary gear set (PGS), an output PGS and an intermediate PGS. Each PGS includes a sun gear, a planet carrier and planet gears provided upon the planet carrier. The drive shaft is rotationally fixed with the sun gear of the input PGS. The planet carrier of the input PGS is rotationally fixed with the sun gear of the intermediate PGS, and the planet carrier of the intermediate PGS is rotationally fixed with the sun gear of the output PGS. The planet carrier of the output PGS is adapted to be rotationally fixed with a rim of a wheel. The output PGS is provided axially in-between the input PGS and the intermediate PGS. 1. A wheel hub drive system for a wheel of a vehicle , wherein the hub drive system at least comprises: a drive motor with a drive shaft , an input planetary gear set , an output planetary gear set and an intermediate planetary gear set , whereineach planetary gear set at least comprises a sun gear a planet carrier and planet gears provided upon the planet carriers, whereinthe drive shaft is arranged rotationally fixed with the sun gear of the input planetary gear set, andthe planetary gear sets are arranged such that the planet carrier of the input planetary gear set is rotationally fixed with the sun gear of the intermediate planetary gear set and the planet carrier of the intermediate planetary gear set is rotationally fixed with the sun gear of the output planetary gear set, wherein the planet carrier of the output planetary gear set is adapted to be rotationally fixed with a rim of the wheel, wherein the planetary gear sets are axial arranged in relation to each other such that the output planetary gear set is provided axially in-between the input planetary gear set and the intermediate planetary gear set.2. The wheel hub drive system of claim 1 , wherein the wheel hub drive system further comprises a brake claim 1 , wherein the brake comprises a first part and a second ...

MULTI-WHEEL TRANSMISSION

The present disclosure includes a transmission comprising a first wheel assembly including a first wheel, a first drive gear coupled to the first wheel such that driving the first drive gear causes a corresponding rotation of the first wheel, and a first motor coupled to the first drive gear to drive the first drive gear. The transmission also includes a second wheel assembly that includes, a second wheel, a second drive gear coupled to the second wheel such that driving the second drive gear causes a corresponding rotation of the second wheel, and a second motor coupled to the second drive gear to drive the second drive gear. 1. A transmission comprising: a first wheel;', 'a first drive gear disposed within and coupled to the first wheel such that driving the first drive gear causes a corresponding rotation of the first wheel; and', 'a first motor coupled to the first drive gear to drive the first drive gear;, 'a first wheel assembly including a second wheel of a size within ten percent of the first wheel;', 'a second drive gear disposed within and coupled to the second wheel such that driving the second drive gear causes a corresponding rotation of the second wheel, the second drive gear a different size from the first drive gear by between approximately ten percent and two hundred percent; and', 'a second motor coupled to the second drive gear to drive the second drive gear., 'a second wheel assembly including2. The transmission of claim 1 , wherein the first drive gear drives the first wheel by driving a ring gear coupled to a rim of the first wheel.3. The transmission of claim 1 , wherein the first drive gear drives the first wheel via static friction between the first drive gear and a rim of the first wheel.4. The transmission of claim 1 , wherein the first motor is configured to rotate a first drive shaft at a first speed and the second motor is configured to rotate a second drive shaft at a second speed.5. The transmission of claim 1 , further comprising: a ...

Electric wheel assembly with integrated hub motor

An electric wheel assembly with an integrated hub motor includes a tire, a rim, a hub, a planetary reducer, an inner rotor motor, a braking system and a steering knuckle assembly. The inner rotor motor is provided in the rim, and its rotor is hollow and fitted over a motor rotor holder. An end of the motor rotor holder is mounted with a sun gear to transmit power to the planetary reducer, and the other end thereof is mounted with a brake disc. The planetary reducer employs a two-stage planet gear. The planetary reducer further includes a planet carrier integrated with the hub, serving as the reducer's power output end. The hub and the knuckle sleeve pass through the hollow motor rotor holder, and hub bearings are arranged thereamong. The inner rotor motor and the planetary reducer can employ an integrated direct oil cooling technology.

Heavy-duty drive axle

The present invention discloses a heavy-duty drive axle comprising a reduction gearbox and a drive motor; a differential case is provided within the reduction gearbox; a motor output shaft of the drive motor is linked with a first output shaft and a second output shaft via the differential case; the differential case consists of a differential holder, a connecting pole, a linkage gear and four bevel gears; each bevel gear is meshed with two bevel gears; the bevel gears comprise a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, the first bevel gear and the second bevel gear are arranged oppositely, and the third bevel gear and the fourth bevel gear are arranged oppositely and sheathed on the connecting pole; the connecting pole is fixed with the differential holder; a cavity is formed within the differential holder; a through hole for fitting with the connecting pole is formed on each of an upper side and a lower side of the differential holder, and a third shaft hole and an opening are separately formed on a left side and a right side of the differential holder; the linkage gear is fixed at the opening of the differential holder; and the motor output shaft is linked with the linkage gear.

METHOD OF STABLY DRIVING IN-WHEEL MOTOR VEHICLE

A method of stably driving an in-wheel motor vehicle having two drive motors mounted on an axle of the in-wheel motor vehicle between a left wheel and a right wheel of the in-wheel motor vehicle and configured to be drivable independently of each other for driving the left wheel and the right wheel respectively, may include detecting failure of one among the two drive motors or failure of one of two inverters electrically connected to and configured for driving the two drive motors, respectively; measuring each speed of the left wheel and the right wheel of the in-wheel motor vehicle and determining a speed difference between the speed of the left wheel and the speed of the right wheel; and controlling torque of a drive motor that operates normally among the two drive motors when the determined speed difference between the speed of the left wheel and the speed of the right wheel falls out of a preset range. 1. A method of driving an in-wheel motor vehicle having two drive motors mounted on an axle of the in-wheel motor vehicle between a left wheel and a right wheel of the in-wheel motor vehicle and configured to be drivable independently of each other for driving the left wheel and the right wheel respectively , the method comprising:determining, by a controller electrically-connected to two inverters, failure of one among the two drive motors or failure of one of the two inverters electrically connected to and configured for driving the two drive motors, respectively;determining, by the controller, each speed of the left wheel and the right wheel of the in-wheel motor vehicle and determining a speed difference between the speed of the left wheel and the speed of the right wheel; andcontrolling, by the controller, torque of a drive motor that operates normally among the two drive motors when the determined speed difference between the speed of the left wheel and the speed of the right wheel falls out of a preset range.2. The method according to claim 1 , wherein ...

SELF-POWERED PLANETARY ORBITAL WHEEL ASSEMBLIES

Powered wheel assemblies and methods of manufacturing and operating such assemblies are provided. 1. A wheel assembly configured to couple to a rim having a first axis of rotation , the wheel assembly comprising:a drive assembly including a drive mechanism and a motor located within the drive mechanism, the motor configured to provide power to the drive mechanism with the drive mechanism coupled to the rim,wherein the drive assembly includes an axle having a fixed rotational position and providing a second axis of rotation about which the drive mechanism and the motor rotate.2. The wheel assembly of claim 1 , wherein the drive mechanism includes a surface configured to engage the rim.3. The wheel assembly of claim 2 , wherein the surface includes a mechanical interface selected from a group consisting of gears and teeth.4. The wheel assembly of claim 2 , wherein the surface includes a substantially smooth surface configured to engage the rim using friction.5. The wheel assembly of claim 1 , wherein the drive mechanism is rotatably coupled to the rim.6. The wheel assembly of claim 5 , wherein the first axis of rotation and the second axis of rotation are different axes of rotation.7. The wheel assembly of claim 6 , wherein the first axis of rotation and the second axis of rotation are substantially parallel.8. The wheel assembly of claim 7 , wherein the drive assembly includes a transmission configured to couple the drive mechanism to the motor.9. The wheel assembly of claim 5 , wherein the drive mechanism includes a roller.10. The wheel assembly of claim 1 , further comprising at least one hub plate including at least one arm including a distal end claim 1 , the at least one hub plate configured to couple to the drive assembly claim 1 ,wherein the drive assembly is located at the distal end of the at least one arm.11. The wheel assembly of claim 10 , further comprising at least one guide mechanism coupled to the at least one hub plate claim 10 ,wherein the at least ...

Wheel module

A wheel module according to an embodiment includes a wheel, a motor, a shaft, a holding member and a brake. A tire is mounted on the wheel. The motor is arranged on the inner side of the wheel and includes a stator and a rotor. The shaft is fixed to the rotor coaxially with a rotation axis of the rotor and transmits rotation force of the rotor to the wheel. The holding member holds the stator. The brake restricts rotation of the shaft. One end portion of the holding member in the axial direction of the rotation axis of the rotor is fixed to and supported by a support member. The brake is on the opposite side to the wheel with the support member interposed therebetween. The shaft extends to an inner portion of the brake while passing through through-holes formed in the one end portion and the supporting member.

Powered ride-on vehicle

A powered ride-on vehicle having a frame supported by a first drive wheel, a second drive wheel and at least one non-driven support wheel. The vehicle has a first motor connected to the first drive wheel, a second motor connected to the second drive wheel, a steering wheel, a plurality of movement selectors, a dance selector, and one or more controllers operably electrically connected to the motors, the plurality of movement selectors, and the dance selector. The controllers operate to manipulate the motors to cause movements of the vehicle for a set period of time upon depression of one of the plurality of movement selectors independent of an angular location of the steering wheel. The controllers further operate to manipulate the motors to cycle through at least four different dances based on subsequent depression of the dance selector.

In-wheel motor drive device

In an in-wheel motor drive device, a speed reduction part is a parallel shaft gear reducer that includes a plurality of gear shafts extending in parallel to one another. One of the gear shafts is coupled with the rotation shaft of the motor part, the other one of the gear shafts is coupled with the wheel hub of the wheel hub bearing part. Remaining gear shafts decelerate the rotation of the motor part and transmit it to the wheel hub. The motor drive device includes a parking gear attached to any of the gear shafts. The parking pawl has a projection portion engaged with a recess portion of the parking gear. A movement member enables a parking pawl to move between a locking position engaged with the recess portion and an unlocking position not engaged therewith. The parking gear, the parking pawl, and movement member are housed inside a housing.

METHOD FOR CONTROLLING GEAR SHIFTING OF A WORKING MACHINE

A method for controlling gear shifting of a working machine includes determining a representation of a first total tractive force of the working machine for the entire set of drive units; initiating a procedure for redistributing the tractive force while maintaining the first total tractive force, including decreasing, at least partly towards a level suitable for shifting gear, the torque and tractive force of at least the first drive unit down, and increasing, in a compensational manner, the torque and tractive force of at least one of the other drive units not subject to gear shifting; monitoring, during the redistribution procedure, a representation of a second total tractive force of the working machine for the other drive units not subject to gear shifting, and, provided that the second total tractive force exceeds a threshold limit that forms a function of the first total tractive force: decreasing the torque and tractive force of at least the first drive unit down to the level suitable for shifting gear and performing gear shifting for at least the first drive unit. 1. Method for controlling gear shifting of a working machine , wherein the working machine is provided with a set of drive units , each drive unit comprising at least one drive wheel and a drive motor capable of applying a torque to the drive wheel that results in a traction force of the drive wheel , and wherein at least a first drive unit comprises a gearbox providing at least two forward gears for the at least one drive wheel , the method comprising:determining a representation of a first total tractive force of the working machine for the entire set of drive units,initiating a procedure for redistributing the tractive force while maintaining the first total tractive force, comprisingdecreasing, at least partly down towards a level suitable for shifting gear, the torque and tractive force of at least the first drive unit, andincreasing, in a compensational manner, the torque and tractive force ...

Drum Brake Concept for use with an Electric Wheel End Drive Motor

A drum brake apparatus is provided for a vehicle air braking system. The drum brake apparatus comprises a wheel drum having a first interior chamber. The drum brake apparatus also comprises a drum brake assembly disposed in the first interior chamber of the wheel drum and mounted on inboard side of the wheel drum. The drum apparatus further comprises a brake drum adapter mounted on outboard side of the wheel drum and providing a second interior chamber in which an electric drive motor can be disposed. The drum brake apparatus also comprises a wheel hub disposed in the second interior chamber of the brake drum adapter and to which a wheel rim can be mounted.

Offset Extendable Axle With Wheels On Common Centerline

An extendable axle with wheels on a common centerline preferably includes a base housing, a left axle device, a right axle device, a left extension cylinder and a right extension cylinder. The left axle device slides into a left side of the base housing and the right axle device slides into a right side of the base housing. The left axle device preferably includes a base tube, a steering knuckle, a drive motor and a steering cylinder. The steering knuckle is pivotally engaged with an end of the base tube. The drive motor is retained on the steering knuckle. The steering cylinder pivots the steering knuckle. The right axle device is the left axle device rotated 180 degrees. The left extension cylinder extends the left axle device. The right extension cylinder extends the right axle device. The left drive motor and the right drive motor are on the same centerline.

METHOD FOR DETERMINING ACTUAL STATE VALUES

A method for determining state values of a wheel (R) of a wheel drive module that includes the wheel (R), a speed modulation gearbox (G), a first electric motor (M) and a second electric motor (M), as well as at least one first sensor (S) for sensing state values of the first electric motor (M), at least one second sensor (S) for sensing state values of the second electric motor (M), wherein additional state value sources of the electric motors (M, M) and/or the wheel (R) are provided and the sensed state values are compared with each other in order to compensate for and to recognize errors in the sensing of the state values so that actual state values of the wheel (R) are determined from the individual sensed state values.

In-wheel motor drive device

A speed reduction unit (31) includes an input shaft (32) coupled to a motor rotary shaft (22) of a motor unit (21), an input gear (33) coupled to the input shaft, a cylindrical output shaft (41) coupled to an outer ring (12), and an output gear (40) coupled to the output shaft, and constructs a driving-force transmission path that reduces the rotational speed of the input gear and transmits the reduced rotational speed to the output gear. The output shaft is rotatably supported at both ends by a first output-shaft bearing (44) rotatably supporting an outer diameter of an axially outer end side of the output shaft and a second output-shaft bearing (46) rotatably supporting an inner diameter of an axially inner end side of the output shaft.

ELECTRIC-MOTOR-DRIVEN RIGID AXLE FOR VEHICLES, IN PARTICULAR UTILITY VEHICLES, WITH ELECTRIC MOTORS NEAR TO THE WHEELS AND WITH OFFSET TRANSMISSIONS

An electric-motor-driven rigid axle for vehicles. The axle has a body with wheel carriers and points for attachment to a vehicle frame such that, in a cross-section, an upper end of the body faces the frame and a body axis forms a vertical axis extending toward the upper end and intersecting the wheel axis. The axle has electric motors and offset transmissions. The motors drive respective carriers. The transmissions are respectively interposed between the associated motor and carrier. The transmissions enable the shafts of the respective motors to be offset from the wheel axis. The transmissions are arranged such that, in the cross-sectional view, the motor shafts and the wheel axis form intersection points on an offset line which is at an angle of between 1 and 90 degrees to the vertical axis and the vertex is at an intersection point between the wheel axis and the offset line. 118-. (canceled)19100100. An electric-motor-driven rigid axle () for vehicles , the rigid axle () comprising:{'b': '110', 'an axle body (),'}{'b': 120', '120', '150', '110', '400, 'two wheel carriers (, ′), and at least one attachment point () for fixing the axle body () to a vehicle frame (),'}{'b': 110', '111', '111', '120', '120', '110', '121', '121', '150', '110', '400', '100', '110', '400', '112', '110', '113', '112', '121', '121, 'the axle body () is of elongated form and at opposite longitudinal ends (, ′) in each case one of the wheel carriers (, ′) is provided, each of the wheel carriers is rotatable relative to the axle body () about a wheel axis (; ′), and the at least one attachment point () is designed to fix the axle body () onto the vehicle frame () in such a manner that, when viewed in a cross-section of the rigid axle (), the axle body () faces toward the vehicle frame () at an upper end () and an axis of the axle body () forms a vertical axis () that extends in a direction toward the upper end (), which axis intersects with the wheel axis (; ′),'}{'b': 100', '130', '130', ' ...

In-wheel system for hybrid electric vehicle

Disclosed is an in-wheel system for a hybrid electric vehicle. The in-wheel system includes an engine that provides a rotational driving power to front wheels or rear wheels, at least one in-wheel motor that is driven by a battery, and is provided at each of the front wheels or each of the rear wheels so as to correspond to the wheels to which the driving power of the engine is transmitted to provide a rotational driving power to the same wheels as wheels driven by the engine, and a controller that controls the engine and the in-wheel motor to be driven.

Axle Assembly Having an Electric Motor Module and a Shift Mechanism

An axle assembly having an electric motor module, a gear reduction module, and a shift mechanism. The shift mechanism may have a shift collar that may transmit torque from the gear reduction module to a drive pinion. The shift collar may be movable between a first position in which a low range gear ratio is engaged, a second position in which a neutral gear ratio is selected, and a third position in which a high range gear ratio is engaged. 1. An axle assembly comprising:an axle housing;a differential carrier that is mounted to the axle housing and rotatably supports a differential;a differential carrier cover that is mounted to an end of the differential carrier that is disposed opposite the axle housing;an electric motor module disposed in the differential carrier between the axle housing and the differential carrier cover;a gear reduction module that is disposed adjacent to the differential carrier cover, wherein the gear reduction module transmits torque from the electric motor module to the differential via a drive pinion; anda shift mechanism that is moveable to selectively engage a low range gear ratio and a high range gear ratio of the gear reduction module.2. The axle assembly of wherein the shift mechanism is received in a shift mechanism housing that is mounted to the differential carrier cover and disposed opposite the differential carrier.3. The axle assembly of wherein the shift mechanism includes a shift collar that is at least partially received in the shift mechanism housing claim 2 , wherein the shift collar is moveably disposed on the drive pinion and is rotatable about an axis with the drive pinion.4. The axle assembly of further comprising an actuator that is disposed on the shift mechanism housing that actuates the shift collar along the axis.5. The axle assembly of further comprising an end plate disposed on an end of the shift mechanism housing that is disposed opposite the axle housing claim 3 , wherein the shift collar is rotatably ...

SPACE-MAXIMIZING CLUTCH ARRANGEMENT FOR VEHICLE DRIVE WHEEL

A vehicle wheel drive assembly, particularly useful in an aircraft, is provided. The vehicle wheel drive assembly is mounted completely within a space defined by structural dimensions of a vehicle wheel and includes a drive means controllable to power the wheel and move the vehicle autonomously on a ground surface, a gear assembly drivingly connected to the drive means, and a clutch assembly operatively connected to the gear assembly. The clutch assembly is operatively mounted with respect to the gear assembly completely within an interior portion of a vehicle wheel axle on which the wheel drive assembly is mounted, thereby maximizing the space functionally available for all of the other components of the wheel drive assembly. 1. A vehicle wheel drive assembly for driving a vehicle wheel autonomously on a ground surface , comprising one or more wheels rotatably mounted on one or more vehicle axles , each supporting a tire and a wheel drive system mounted to drive said one or more wheels , wherein each said wheel comprises inboard and outboard sections configured to define a cavity with maximum dimensions between said axle and said tire , and components of said wheel drive system comprising a drive motor and a gear assembly drivingly connected to said drive motor are operatively positioned completely within said cavity , and components of said wheel drive system comprising a clutch assembly are located completely within an interior space of said one or more axles and positioned to be operatively engaged with said gear assembly to drive said drive motor and move said vehicle on said ground surface.2. The assembly of claim 1 , wherein said drive motor comprises an electric drive motor controllable to move the vehicle autonomously on the ground surface without reliance on another source of motive power.3. The assembly of claim 2 , wherein said electric drive motor comprises a rotor element rotatably supported to maintain a gap having a predetermined optimum width with a ...

Independent suspension system

An independent suspension system includes a wheel knuckle engaged with a wheel and configured to be rotated in response to a steering input; a motor assembly disposed at one end of the wheel knuckle and configured to rotate the wheel knuckle; an upper arm engaged with the motor assembly; a lower arm having a first end engaged with a vehicle body and a second end engaged with the wheel knuckle; a connection arm configured to be engaged with the upper arm; a rotation pin disposed at a connection portion between the upper arm and the connection arm to enable integral rotation of the upper arm and the connection arm; and a shock absorber disposed between the connection arm and the lower arm and engaged with the connection arm so as to be perpendicular to the connection arm.

DRIVE WHEEL HAVING AN ELECTRIC WHEEL HUB MOTOR FOR MOTOR VEHICLES AND MOTOR VEHICLE

A drive wheel having an electric wheel hub motor for a motor vehicle includes a stator arranged around a wheel hub and is connected to the wheel hub in a non-rotatable manner. A rotor is mounted in such a manner that it can rotate relative to the stator to drive a wheel rim connected to the rotor in a non-rotatable manner. At least two energy storage devices are arranged between the wheel hub and the stator to output electrical energy for operation of the electric wheel hub motor. The energy storage devices are embodied in each case in the shape of a ring segment in such a manner that the energy storage devices form a closed ring around the wheel hub when lying adjacent to one another. 1. A drive wheel having an electric wheel hub motor for a vehicle , comprising:a stator non-rotatably mounted to a wheel hub;a rotor rotatably mounted around the stator; anda plurality of energy storage devices arranged between the wheel hub and the stator to electrically power the wheel hub motor, the energy storage devices shaped as ring segments to form a closed ring around the wheel hub.2. The drive wheel of claim 1 , wherein an inner circumferential surface of the stator forms an outer wall of the plurality of energy storage devices.3. The drive wheel of claim 1 , wherein an outer circumferential surface of the wheel hub forms an inner wall of the plurality of energy storage devices.4. The drive wheel of claim 1 , wherein each of the plurality of energy storage devices comprises a battery.5. The drive wheel of further comprising at least one power control device attached to at least one of the plurality of energy storage devices to control electrical energy supplied from each of the plurality of energy storage devices to the electric wheel hub motor.6. The drive wheel of claim 1 , wherein the rotor is mounted in a rotatable manner on an outer circumferential surface of the stator using at least one roller bearing arranged between the rotor and the stator.7. The drive wheel of ...

METHOD AND APPARATUS FOR AN ACTIVE CONVERTOR DOLLY

The disclosure is directed at a method and apparatus for an active convertor dolly for use in a tractor-trailer configuration. In one embodiment, the apparatus includes a system to connect a tractor to a trailer. The apparatus further includes a charge generating system for translating the mechanical motions or actions of the dolly into electricity or electrical energy so that this energy can be used to charge a battery or to power other functionality for either the dolly or the tractor-trailer. The active dolly may also operate to assist in shunting the tractor-trailer. 118.-. (canceled)19. An active converter dolly comprising:a frame portion including a trailer/truck connecting portion and a trailer connecting portion;a first wheel rotatably coupled to the frame portion and disposed on a first side of the frame portion;a second wheel rotatably coupled to the frame portion and disposed on a second side of the frame portion opposite, or substantially opposite to the first wheel;a first motor operably coupling the first wheel to the frame portion;a second motor operably coupling the second wheel to the frame portion; anda controller operably coupled, independently, to the first motor and to the second motor; the first motor is operable, via the controller, in at least a drive mode for providing torque to the first wheel; and', 'the second motor is operable, via the controller, in at least a drive mode for providing torque to the second wheel., 'wherein20. The active converter dolly as claimed in ; the first motor is an in-wheel motor disposed within the first wheel; and', 'the second motor is an in-wheel motor disposed within the second wheel., 'wherein21. The active converter dolly as claimed in ; 'the controller is operable such that the torque provided by the first motor to the first wheel, and the torque provided by the second motor to the second wheel is the same.', 'wherein22. The active converter dolly as claimed in ; 'the controller is operable such that the ...

STAKED ROTOR CORE FOR RETAINING MAGNETS

Electric motors are disclosed. The motors are preferably for use in an automated vehicle, although any one or more of a variety of motor uses are suitable. The motors include lift, turntable, and locomotion motors. 1. A method of forming a rotor for use in a motor , said method comprising the steps of:(a) forming a core to define a plurality of arcuately spaced apart magnet-receiving slots;(b) inserting a plurality of magnets into corresponding ones of the slots; and(c) deforming the core along each of the slots to define a securement portion that extends along and projects radially into the corresponding slot to engage the respective magnet and thereby secure the respective magnet in the slot.2. The method as claimed in claim 1 ,step (a) including the steps of punching a plurality of laminations and stacking the laminations.3. The method as claimed in claim 2 ,step (c) including the step of stamping a selected number of the laminations so that the securement portion has a total axial extent that is less than the core axial height. This is a divisional application of U.S. application Ser. No. 15/047,265, filed Feb. 18, 2016, entitled STACKED ROTOR CORE FOR RETAINING MAGNETS which claims priority from U.S. Provisional Patent Application No. 62/117,810, filed Feb. 18, 2015, and entitled LOCOMOTION GEARMOTOR FOR AUTOMATED GUIDED VEHICLE; U.S. Provisional Patent Application No. 62/153,985, filed Apr. 28, 2015, and entitled INTEGRATED MOTOR AND CONTROL FOR AUTOMATED GUIDED VEHICLE; and U.S. Provisional Patent Application No. 62/206,109, filed Aug. 17, 2015, and entitled GEARMOTOR FOR AUTOMATED GUIDED VEHICLE AND THE LIKE, the entire disclosure of each of which is hereby incorporated by reference herein.The present application is filed contemporaneously with U.S. patent application Ser. No. 15/047,244, entitled TRACTION MOTOR ASSEMBLY WITH GEAR-INTERCONNECTED WHEEL AND OUTPUT SHAFT, filed Feb. 18, 2016; U.S. patent application Ser. No. 15/047,249, entitled ELECTRIC MOTOR ...

VEHICLE IN-WHEEL TYPE MOTOR DRIVE DEVICE

A vehicle in-wheel type motor drive device comprises: a motor portion including an electric motor; and a reducer portion that is fixed to a non-rotating member rotatably supporting a wheel and that includes a reducer reducing a speed of rotation input from a motor rotating shaft of the electric motor to output the rotation from an output shaft concentric with the wheel, the vehicle in-wheel type motor drive device rotationally driving the wheel by the output of the reducer portion. An end portion of the motor rotating shaft on the reducer portion side is rotatably supported in a cantilever manner by the reducer portion, and a coupling device coupling the motor portion via an elastic member to the reducer portion is disposed between the motor portion and the reducer portion. 1. A vehicle in-wheel type motor drive device comprising: a motor portion configured to include an electric motor; and a reducer portion configured to be fixed to a non-rotating member rotatably supporting a wheel and to include a reducer reducing a speed of rotation input from a motor rotating shaft of the electric motor to output the rotation from an output shaft concentric with the wheel , the vehicle in-wheel type motor drive device rotationally driving the wheel by the output of the reducer portion , whereinan end portion of the motor rotating shaft on the reducer portion side is rotatably supported in a cantilever manner by the reducer portion, and whereina coupling device coupling the motor portion via an elastic member to the reducer portion is disposed between the motor portion and the reducer portion.2. The vehicle in-wheel type motor drive device according to claim 1 , whereinthe reducer portion includes a reducer case housing the reducer and fixed to the non-rotating member, whereinthe motor portion includes a motor case housing the electric motor in a state of being separated from the reducer case, and whereinthe coupling device is disposed between the motor case and the reducer case ...

WHEEL RIM FOR MOTOR VEHICLES DRIVEN WITH WHEEL HUB MOTORS

A wheel rim for motor vehicles driven with wheel hub motors has a wheel rim base, an outer and an inner wheel rim flange, and a wheel disk having a center hole, attachment holes, and, if applicable, having spokes. At least a part of the rotor housing of a wheel hub motor forms at least a part of the wheel rim. 110121416141618202210. Wheel rim () for motor vehicles driven with wheel hub motors , having a wheel rim base () , an outer () and an inner () wheel rim flange ( , ) , and a wheel disk having a center hole () , attachment holes () , and , if applicable , having spokes () , wherein at least a part of the rotor housing of a wheel hub motor forms at least a part of the wheel rim ().2102412. Wheel rim () according to claim 1 , wherein at least part of the rotor housing forms the wall () of the ring-shaped wheel rim base () claim 1 , at least in part.310281024122620. Wheel rim () according to claim 1 , wherein the rotor housing has a cap () in the interior of the wheel rim () claim 1 , between the wall () of the ring-shaped wheel rim base () and the pitch circle () having the attachment holes ().4102822. Wheel rim () according to claim 3 , wherein the cap () of the rotor housing is disposed on the inner side of the wheel disk claim 3 , which might have spokes ().510282412. Wheel rim () according to claim 1 , wherein the rotor housing is configured in the manner of a rotor bell composed of a cap () and at least partially of a ring-shaped wall () of the ring-shaped wheel rim base ().6101010. Wheel rim () according to claim 1 , wherein the rotor housing claim 1 , particularly as an at least partially integral component of the wheel rim () claim 1 , is configured in one piece with the wheel rim ().7101010. Wheel rim () according to claim 1 , wherein the rotor housing claim 1 , particularly as an at least partially integral component of the wheel rim () claim 1 , is cast or forged in one piece with the wheel rim ().8101010. Wheel rim () according to claim 1 , wherein ...

ELECTRIC MOTOR ASSEMBLY FOR A MOTOR VEHICLE AND BRAKE

An electric motor assembly for a motor vehicle and brake has an engine cartridge with a stator connected to an engine casing. The engine cartridge also has a rotor connected to a wheel shaft. The assembly also has a disc of a disc brake connected to the wheel shaft. The assembly also has a disc brake caliper arranged astride the disc and connected to the engine casing. 19-. (canceled)10. An electric motor assembly for a motor vehicle and brake comprising:an engine cartridge comprising a stator connected to an engine casing;said engine cartridge further comprising a rotor connected to a wheel shaft;said assembly further comprising a disc of a brake disc connected to said wheel shaft;wherein said assembly further comprises a disc brake caliper positioned astride said disc and connected to said engine casing.11. The assembly according to claim 10 , whereinsaid wheel shaft forms an inner bearing fifth wheel; and/or whereinsaid inner bearing fifth wheel is joined to a fifth wheel bearing; and/or whereinsaid engine casing is keyed onto said bearing and/or whereinsaid wheel shaft is supported to rotate about said engine casing.12. The assembly according to claim 10 , whereinsaid assembly comprises a fork for a motor vehicle firmly attached to said engine casing; and/or whereinsaid assembly comprises a fork for a motor vehicle in one piece with said engine casing; and/or whereinsaid disc brake disc is placed parallel or coplanar with said fork of a motor vehicle and facing said engine cartridge; and/or whereinsaid disc brake disc is placed between said motor vehicle fork and said motor cartridge.13. The assembly according to wherein:the assembly comprises a first half-caliper firmly connected to, or in one piece with said fork or said engine casing;said assembly further comprising an associable opposite second half-caliper associated with said first half-caliper so as to place said caliper astride the brake disc.14. The assembly according to wherein:said engine casing ...

ELECTRIC HUB DRIVE WITH BRAKING ASSEMBLY

Some embodiments are directed to an electric hub drive with a braking assembly. The hub drive includes a housing; a rotary drive transmission system mounted within the housing; and a braking assembly positioned within the housing. The braking assembly includes a braking formation that is coupled to be rotationally driven by the rotary drive transmission system. Advantageously or preferably, the braking formation is coupled to be rotationally driven by a part of the rotary drive transmission system that has a higher angular velocity than the output shaft. This enables the braking formation to rotate at a faster speed than the wheel hub. 1. An electric hub drive comprising:a housing;a rotary drive transmission system including an input shaft, output shaft, and a torque transfer arrangement to effect a rotational coupling between the input shaft and the output shaft mounted within the housing; anda braking assembly including a braking formation positioned within the housing, the braking formation being coupled to be rotationally driven by the drive transmission system.2. The hub drive of claim 1 , wherein the braking formation is carried on a drive shaft coupled to be driven rotationally by the drive transmission system.3. The hub drive of claim 1 , wherein the braking formation is a friction formation selectively engageable against one or more complementary friction surfaces carried within the housing.4. The hub drive of claim 1 , wherein the braking formation includes at least one brake disc.5. The hub drive of claim 4 , wherein at least one brake disc is mounted co-axially on a shaft coupled to be driven rotationally by the drive transmission system.6. The hub drive of claim 1 , wherein the braking formation is coupled to be rotationally driven at an angular velocity equal to or greater than that of the output shaft of the hub drive.7. The hub drive of claim 6 , wherein the braking formation is coupled to be rotationally driven at an angular velocity greater than ...

User interface for a motorized wheel

A user interface for an electrically motorized wheel with a hub shell assembly, the user interface can include a user interface cover plate for a user interface panel that provides for operation of the electrically motorized wheel, the user interface cover plate rotationally stationary relative to a rotatable portion of the hub shell assembly, the user interface cover plate including an antenna aperture for an antenna of a wireless system.

Progressive rate suspension for agricultural vehicle

A suspension apparatus connected to a wheel of a vehicle and includes a first linkage, a second linkage, a third linkage, a bell crank, and a shock absorber. The first linkage connects to the wheel. The second linkage includes a first portion that is pivotally connected to a second portion of the first linkage. The third linkage includes a first portion that is pivotally connected to a second portion of the second linkage. The bell crank includes opposed first and second arms and a central pivot connection to the third linkage, wherein the first arm is pivotally connected to a first portion of the first linkage. The shock absorber has a variable length and includes a first portion that is pivotally connected to the first portion of the third linkage and wherein a second portion of the shock absorber is pivotally connected to the second arm of the bell crank.

GUIDED MULTI-BAR LINKAGE ELECTRIC DRIVE SYSTEM

An electric drive system including: a rotary motor system including a hub assembly, a first rotating assembly, a second rotating assembly, and a third rotating assembly, wherein the hub assembly defines a rotational axis about which the first rotating assembly, the second rotating assembly, and the third rotating assembly are coaxially aligned and are capable of independent rotational movement independent of each other; a mechanical guide system supporting the hub assembly and constraining movement of the hub assembly so that the rotational axis of the hub assembly moves along a defined path that is in a transverse direction relative to the rotational axis; and a multi-bar linkage mechanism connecting to each of the first and third rotating assemblies and connecting the hub assembly to the mechanical guide system, wherein the multi-bar linkage mechanism causes the rotational axis of the hub assembly to translate along the defined path in response to relative rotation of the first rotating assembly and third rotating assembly with respect to each other. 1. An electric drive system comprising:a rotary motor system comprising a hub assembly, a first rotating assembly, a second rotating assembly, and a third rotating assembly, wherein the hub assembly defines a rotational axis and wherein each of the first rotating assembly, the second rotating assembly, and the third rotating assembly is coaxially aligned with the rotational axis and is capable of independent rotational movement about the rotational axis independent of each other;a mechanical guide system supporting the hub assembly and constraining movement of the hub assembly so that the rotational axis of the hub assembly moves along a defined path that is in a transverse direction relative to the rotational axis; anda multi-bar linkage mechanism connecting to each of the first and third rotating assemblies and connecting the hub assembly to the mechanical guide system, wherein the multi-bar linkage mechanism causes ...

GEARING ASSEMBLY, VEHICLE DRIVETRAIN AND ELECTRIC WHEEL HUB THEREWITH

A gearing assembly includes a rotary input member, a rotary output member, and a gearing arrangement between the input member and the output member selectively able to effect a driving engagement between the input member and the output member through at least a first torque connection having a first gear ratio. A second torque connection has a second gear ratio and a third torque connection having a third gear ratio. The gearing arrangement includes a first engagement member operable selectively to effect the first torque connection in a 1:1 ratio, a first planetary gear stage, and a second planetary gear stage. A second engagement member is operable selectively to effect the second torque connection, and a third engagement member operable selectively to effect the third torque connection, respectively, through one or more of the planetary gear stages. 1. A gearing assembly , comprising:a rotary input member;a rotary output member;a gearing arrangement between the input member and the output member selectively engageable to effect a driving engagement between the input member and the output member through at least a first torque connection having a first gear ratio, the gearing arrangement including a first engagement member operable selectively to effect the first torque connection in a 1:1 ratio;a second torque connection having a second gear ratio;a third torque connection having a third gear ratio;a first planetary gear stage and a second planetary gear stage; anda second engagement member operable selectively to effect the second torque connection and a third engagement member operable selectively to effect the third torque connection respectively through one or more of the planetary gear stages;wherein the first engagement member is located on a first side of the input member and the first planetary gear stage, second engagement member, second planetary gear stage and third engagement member are located on a second side of the input member opposite to said ...

FREE RANGING AUTOMATED GUIDED VEHICLE AND OPERATIONAL SYSTEM

An automated guided vehicle (AGV) that is configured to operate with a navigation and guidance system includes a base frame structure that supports a material handling apparatus. Casters may be attached at peripheral portions of the base frame structure to movably support the base frame structure away from a ground surface. Drive wheel assemblies may be disposed between two of the casters and configured to propel and steer the AGV. A suspension system may have intersecting swing arms that are pivotally mounted at the base frame structure and independently attach at each of the drive wheel assemblies. The suspension system biases the drive wheel assemblies against the ground surface to maintain friction of the drive wheel assemblies against the ground surface, such as for traversing sloped or uneven surfaces. 1. An automated guided vehicle (AGV) configured to operate with a navigation and guidance system , said AGV comprising:a base frame configured to support a material handling apparatus;a plurality of support wheel assemblies attached at peripheral portions of the base frame and configured to movably support the base frame away from a ground surface;a pair of drive wheel assemblies disposed between at least two of the plurality of support wheel assemblies and configured to propel the AGV over the ground surface; anda suspension system having intersecting swing arms that pivotally mount at the base frame and independently attach at each of the drive wheel assemblies, wherein the suspension system is configured to bias the pair of drive wheel assemblies against the ground surface to maintain friction of the drive wheel assemblies against the ground surface.2. The AGV of claim 1 , wherein the pair of drive wheel assemblies includes spaced apart drive wheels that are configured to rotate about substantially parallel axes.3. The AGV of claim 2 , wherein the spaced apart drive wheels are driven by a differential drive system to propel and steer the AGV of over the ...

Powered wheel assemblies and control systems

Powered wheel assemblies and methods of manufacturing and operating such assemblies are provided.

Final drive mounted motor for track-type tractor

A track-type tractor includes a frame housing defining an internal cavity extending to an outer bore, an electric motor module, and a final drive assembly. The electric motor module includes a motor housing having a flanged end portion, and a rotor shaft extending through the flanged end portion. The flanged end portion is mounted to a outer mounting surface of the frame housing surrounding the outer bore, such that the electric motor module extends through the outer bore and is retained within the frame housing internal cavity. The final drive assembly is mounted to the flanged end portion and includes a gear set in operative engagement with the rotor shaft for motorized operation of the final drive assembly.

MULTI-FUNCTIONAL ELECTRIC MODULE FOR A VEHICLE

A multi-functional electric module (eModule) is provided for a vehicle having a chassis, a master controller, and a drive wheel having a propulsion-braking module. The eModule includes a steering control assembly, mounting bracket, propulsion control assembly, brake controller, housing, and control arm. The steering control assembly includes a steering motor controlled by steering controllers in response to control signals from the master controller. A mounting feature of the bracket connects to the chassis. The propulsion control assembly and brake controller are in communication with the propulsion-braking module. The control arm connects to the lower portion and contains elements of a suspension system, with the control arm being connectable to the drive wheel via a wheel input/output block. The controllers are responsive to the master controller to control a respective steering, propulsion, and braking function. The steering motor may have a dual-wound stator with windings controlled via the respective steering controllers. 1. A multi-functional electric module (eModule) for use with a vehicle having a chassis , a master controller , and a drive wheel having a propulsion-braking module , the eModule comprising:a steering control assembly having a steering motor and at least one steering controller, wherein each of the at least one steering controller includes a first printed circuit board assembly (PCBA) operable to control the steering motor in response to control signals from the master controller;a mounting bracket positioned with respect to the steering control assembly, and having a mounting feature that is engageable with the chassis;a propulsion control assembly having a propulsion controller including a second PCBA that is in communication with the propulsion-braking module;a brake controller in communication with the propulsion-braking module, wherein the brake controller includes a third PCBA;a housing that rotates with respect to the mounting bracket, ...

MODULAR ROBOTIC VEHICLE

A modular robotic vehicle includes a chassis, driver input devices, an energy storage system (ESS), a power electronics module (PEM), modular electronic assemblies (eModules) connected to the ESS via the PEM, one or more master controllers, and various embedded controllers. Each eModule includes a drive wheel containing a propulsion-braking module, and a housing containing propulsion and braking control assemblies with respective embedded propulsion and brake controllers, and a mounting bracket covering a steering control assembly with embedded steering controllers. The master controller, which is in communication with each eModule and with the driver input devices, communicates with and independently controls each eModule, by-wire, via the embedded controllers to establish a desired operating mode. Modes may include a two-wheel, four-wheel, diamond, and omni-directional steering modes as well as a park mode. A bumper may enable docking with another vehicle, with shared control over the eModules of the vehicles. 1. A vehicle comprising:a chassis;a plurality of driver input devices;an energy storage system (ESS); a drive wheel containing a by-wire propulsion-braking module configured to selectively propel and brake the drive wheel;', 'a mounting bracket covering a steering control assembly having at least one steering controller which controls a by-wire steering function of the vehicle; and', 'a housing positioned adjacent to the mounting bracket, and containing a propulsion control assembly, a braking control assembly, and a spring-damper assembly, wherein the propulsion control assembly and the braking control assembly include a propulsion controller and a brake controller, respectively, which together control the by-wire propulsion-braking module; and, 'at least one electronic modular assembly (eModule) that is electrically connected to the ESS, and that includesa master controller in communication with the at least one steering controller, the propulsion ...

Traveling drive device for dump truck

A traveling drive device for a dump truck is provided with an axle housing mounted to a vehicle body, a wheel mounting tube rotatably provided on the outer periphery side of the axle housing, a disk holding cylinder provided on the axial outside of the wheel mounting tube, a brake disk mounted to the disk holding cylinder, and a brake device for applying braking to the brake disk. The disk holding cylinder is configured by a cylindrical body to be mounted to the wheel mounting tube and a plurality of disk mounting legs provided on the cylindrical body. A plurality of U-shaped projections are provided on the outer periphery side of the brake disk at positions corresponding to the respective disk mounting legs. A recessed groove which fits on the disk mounting leg so as to hold a distal end thereof is provided in each of the U-shaped projections.

Wheel unit

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. When viewed from the axial direction, the final gear support shaft and the motor shaft are disposed in different positions. The gear case includes a circular hole portion including a cylindrical inner peripheral surface which supports the rotation support portion. The inner peripheral surface of the circular hole portion comes into contact with an outer peripheral surface of the rotation support portion with lubricant interposed therebetween.

WHEEL UNIT

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. When viewed from the axial direction, the final gear support shaft and the motor shaft are disposed in different positions. An initial stage composite gear of the speed reduction mechanism meshes with the pinion gear. The initial stage composite gear is supported by the final gear support shaft such that the initial stage composite gear and the final gear are rotatable relative to the gear case. 1. (canceled)2. A wheel unit , comprising:a motor including a motor shaft;a pinion gear which is fixed to a rotating portion of the motor;a wheel which includes an annular ground surface and rotates around a final gear support shaft;a final gear made of a resin, fixed to the wheel directly or via another member and disposed on one side in an axial direction with respect to the wheel;a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear;a gear case which accommodates the pinion gear, the speed reduction mechanism, and the final gear; anda rotation support portion which rotates along with the final gear and the wheel while being supported by the gear case directly or via another member and is provided between the final gear and the wheel; whereinwhen viewed from one side in the axial direction, the final gear support shaft and the motor shaft are disposed in different positions;the motor includes a rotor magnet on an outside of an armature in a radial direction;at least a portion of the final gear is positioned on an inside of a cylindrical or ...

WHEEL UNIT

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. When viewed from the axial direction, the final gear support shaft and the motor shaft are disposed in different positions. The motor includes a stationary portion and a rotary portion, and the stationary portion is fixed to the gear case by an attachment plate. 1. (canceled)2. A wheel unit , comprising:a motor including a motor shaft;a pinion gear which is fixed to a rotating portion of the motor;a wheel which includes an annular ground surface and rotates around a final gear support shaft;a final gear made of a resin, fixed to the wheel directly or via another member and disposed on one side in an axial direction with respect to the wheel;a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear;a gear case which accommodates the pinion gear, the speed reduction mechanism, and the final gear; anda rotation support portion which rotates along with the final gear and the wheel while being supported by the gear case directly or via another member and is provided between the final gear and the wheel; whereinwhen viewed from one side in the axial direction, the final gear support shaft and the motor shaft are disposed in different positions;the motor includes a rotor magnet on an outside of an armature in a radial direction;the motor includes a stationary portion, and a rotary portion which rotates relative to the stationary portion; andthe stationary portion is fixed to the gear case by an attachment plate.3. The wheel unit according to claim 2 , ...

Drive unit for tracked vehicle and vehicle provided with drive unit

The invention relates to a drive unit for a tracked vehicle such as a tracked forwarder. The drive unit comprises a track support beam, at least one drive wheel, a set of support wheels and an endless track, said at least one drive wheel being arranged to drive said endless track running over said at least one drive wheel and said set of support wheels. The drive wheel and the support wheels are rotatably attached in said track support beam. The drive unit further comprises an electric motor attached to said at least one drive wheel and integrated in said track support beam, and a in the track support beam integrated lubrication system comprising a pump unit arranged for pressurized supply of lubricant to parts of the drive unit in need of lubrication.

AXLE ASSEMBLY FOR FRAME RAIL VEHICLES

An axle assembly for frame rail vehicles is described herein. The axle assembly also includes a drive unit housing that includes an interior cavity enclosing first and second electric machines, a common gear reduction, a differential gear set, and a speed change mechanism with the first and second axle shafts partially disposed within the interior cavity and extending out of the drive unit housing. The drive unit housing includes a central cavity, a lower cavity, a first machine cavity, and a second machine cavity. The central cavity includes the common gear reduction and the axis of rotation of the first and second axle shafts. The lower cavity accumulates a volume of gearbox fluid with the speed change mechanism at least partially immersed in the lower cavity. The first machine cavity includes the first electric machine and the second machine cavity includes the second electric machine. 1. An axle assembly , comprising:a first axle shaft orientated along a first axis of rotation;a second axle shaft orientated along said first axis of rotation with said first and second axle shafts extending in opposite directions;a first electric machine orientated along a second axis of rotation substantially parallel with said first axis of rotation;a second electric machine spaced from said first electric machine and orientated along a third axis of rotation substantially parallel with said first axis of rotation;a common gear reduction rotatable about a fourth axis of rotation and driven by said first and second electric machines;a differential gear set coupled to and driven by said common gear reduction to transfer rotational torque from said first and second electric machines to said first and second axle shafts; anda speed change mechanism coupled between said common gear reduction and said differential gear set to change said rotational torque transferred to said first and second axle shafts; anda drive unit housing including an inner surface defining an interior cavity ...

In-wheel motor drive device

A wheel hub bearing unit includes an outer ring disposed on an axially outer side of the hub bearing unit and coupled to a wheel, a stationary shaft passing through a center bore of the outer ring, and a plurality of rolling elements arranged in an annular space between the outer ring and the stationary shaft. Motor and speed reduction units are offset from an axis of the wheel hub bearing unit in a direction perpendicular thereto, with the motor unit disposed adjacent to an axially inner end portion of the stationary shaft. The speed reduction unit includes an output gear coupled to the outer ring and a rolling bearing provided between the output gear and the stationary shaft to support the output gear. A carrier disposed on an axially inner side relative to the hub bearing unit is secured to the axially inner end portion of the stationary shaft.

DRIVE DEVICE

A planetary gear mechanism includes a sun gear, planetary gears, an annular internal gear, a carrier that is fixed to a bracket and includes a second lid, and a support shaft. An output unit is supported to be rotatable by a first bearing attached to the support shaft and a second bearing attached to the bracket, and fixed to the internal gear. The bracket includes a protrusion protruding from a first lid to one side in the axial direction. A radially inside surface of the protrusion includes a first curved surface extending in a circumferential direction as viewed along the axial direction. The carrier includes a second curved surface located radially inside the first curved surface. The second curved surface extends in the circumferential direction as viewed along the axial direction, and contacts with the first curved surface. 1. A drive device that rotates a wheel , the drive device comprising:a motor including a motor shaft disposed along a center axis;a planetary gear mechanism connected to one side in an axial direction of the motor shaft; and a rotor including the motor shaft;', 'a stator opposed to the rotor in a radial direction with a gap interposed therebetween; and', 'a bracket including a first lid covering one side in the axial direction of the stator;, 'an output unit to which rotation of the motor shaft is transmitted through the planetary gear mechanism; wherein the motor includes a sun gear provided at a portion on one side in the axial direction of the motor shaft;', 'a plurality of planetary gears that are arranged along a circumferential direction on one side in the axial direction of the first lid to engage with the sun gear;', 'an annular internal gear that surrounds a radial outer periphery of the plurality of planetary gears to engage with the planetary gears;', 'a carrier including a second lid located on one side in the axial direction of the planetary gear, the carrier being fixed to the bracket; and', 'a support shaft that is attached ...

DRIVE DEVICE

A drive device that rotates a wheel includes a motor including a motor shaft disposed along a center axis, a speed reduction mechanism connected to one side in an axial direction of the motor shaft, and an output unit to which rotation of the motor shaft is transmitted through the speed reduction mechanism. The motor includes a rotor including the motor shaft, a stator opposed to the rotor in a radial direction with a gap interposed therebetween, and a housing accommodating the rotor and the stator. The housing includes a first fixing unit fixed to a chassis of a traveling body on which the drive device is mounted. The stator includes a stator core and coils mounted on the stator core. The stator core contacts directly with the housing. 1. A drive device that rotates a wheel , the drive device comprising:a motor including a motor shaft disposed along a center axis;a speed reduction mechanism connected to one side in an axial direction of the motor shaft; andan output unit to which rotation of the motor shaft is transmitted through the speed reduction mechanism; wherein a rotor including the motor shaft;', 'a stator opposed to the rotor in a radial direction with a gap interposed therebetween; and', 'a housing that accommodates the rotor and the stator therein;, 'the motor includesthe housing includes a first fixing unit fixed to a chassis of a traveling body on which the drive device is mounted; a stator core; and', 'a plurality of coils mounted on the stator core; and, 'the stator includesthe stator core contacts directly with the housing.2. The drive device according to claim 1 , wherein a first motor bearing that rotatably supports the motor shaft on one side in the axial direction with respect to the rotor core; and', 'a second motor bearing that rotatably supports the motor shaft on another side in the axial direction with respect to the rotor core;, 'the rotor includes a rotor core fixed to the motor shaft; the motor includes a first housing that holds the ...

DRIVE DEVICE

A motor includes a circuit board, a rotation sensor attached to the circuit board, a connector protruding from the circuit board to a second side in an axial direction, and a cable electrically connected to the rotation sensor. A housing includes a protruding cylinder and a bearing holder located radially inside of the protruding cylinder. The circuit board is located on a first side in the axial direction of the protruding cylinder. The protruding cylinder includes an extraction hole radially penetrating a wall of the protruding cylinder. The connector is located radially inside of a stator. An end on the second side in the axial direction of the connector is located in the protruding cylinder. The cable is extracted from the end on the second side in the axial direction of the connector to a radial outside of the protruding cylinder through the extraction hole. 1. A drive device that rotates a wheel , the drive device comprising:a motor including a motor shaft disposed along a center axis;a speed reduction mechanism connected to one side in an axial direction of the motor shaft; and a rotor including the motor shaft and a rotor main body fixed to an outer circumferential surface of the motor shaft;', 'a stator opposed to the rotor in a radial direction with a gap interposed therebetween;', 'a housing that accommodates the rotor and the stator;', 'a circuit board accommodated in the housing on another side in the axial direction with respect to the rotor main body;', 'a rotation sensor attached to the circuit board to detect rotation of the rotor;', 'a connector protruding from the circuit board to the other side in the axial direction; and', 'a cable electrically connected to the rotation sensor through the connector;, 'an output unit to which rotation of the motor shaft is transmitted through the speed reduction mechanism; wherein the motor includes a protruding cylinder that protrudes to the other side in the axial direction to cover at least a portion of the ...

MOTOR GEARBOX ASSEMBLY

A motor gearbox and suspension arrangement is provided for a vehicle. The arrangement includes a drive system for driving a wheel of the vehicle, and the drive system includes an electric motor and a gear train associated with the motor. The arrangement further includes a housing that receives the motor and the gear train, and a suspension control arm having a first end configured to be connected to the vehicle and a second end configured to be connected to the housing. 1. A motor gearbox and suspension arrangement for a vehicle having a knuckle that supports a wheel , the arrangement comprising:a drive system for driving the wheel of the vehicle, the drive system including an electric motor and a gear train associated with the motor;a housing that receives and encloses the motor and the gear train; anda suspension control arm having a first end configured to be connected to the knuckle of the vehicle and a second end configured to be pivotally connected directly to the housing.2. The arrangement of further comprising an additional drive system for driving an additional wheel of the vehicle claim 1 , the additional drive system including an additional electric motor and an additional gear train associated with the additional electric motor claim 1 , wherein the additional electric motor and the additional gear train are received in and enclosed by the housing.3. The arrangement of wherein at least a portion of the drive system has a generally inverse orientation with respect to at least a portion of the additional drive system in a longitudinal direction of the vehicle when the arrangement is mounted on the vehicle claim 2 , so that the at least a portion of the drive system and the at least a portion of the additional drive system are offset with respect to each other in the longitudinal direction when the arrangement is mounted on the vehicle.4. The arrangement of wherein the gear train and the additional gear train at least partially overlap each other in a ...

Front-Wheel Drive Hybridization

A hybrid transmission for a front-wheel drive vehicle includes a multi-speed transmission, a differential, an electric motor, and a planetary gear set. The multi-speed transmission includes an input shaft with a first axis. The differential includes a housing with a second axis, radially offset from the first axis. The electric motor is concentric with the second axis. The planetary gear set connects the multi-speed transmission, the differential, and the electric motor. In some example embodiments, the planetary gear set includes a sun gear drivingly engaged with the multi-speed transmission, a planet carrier drivingly engaged with the differential, and a ring gear drivingly engaged with the electric motor.

ELECTRIC WHEEL END ASSEMBLY

An electric wheel-end assembly comprising a mounting portion, a spindle having an inboard end connected to the mounting portion and an outboard end distal from the mounting portion. A hub is rotatably mounted to the spindle via one or more bearings disposed between the inboard and outboard ends of the spindle. A reduction gearbox is disposed at the distal end of the spindle. An input shaft comprising an inboard end having a drive receiving portion arranged to releasably connect to a drive shaft of an electric motor, extends through the spindle to deliver a rotational input to the drive input of the reduction gearbox, the drive output of the reduction gearbox being connected to the hub to drive the hub in rotation about the spindle.

SELECTIVELY ATTACHABLE AND DETACHABLE AXIAL HUB MOTOR

Systems, methods, and other implementations described herein relate to a hub motor for a wheel of a vehicle. In one embodiment, the hub motor includes a cylindrical rotor and a cylindrical stator coaxially spaced from the cylindrical rotor along an axle. The cylindrical rotor includes a rotor attachment to selectively couple the cylindrical rotor to the axle. The cylindrical stator is disposed between the cylindrical rotor and the wheel and includes stator attachments to selectively couple the cylindrical stator to an outer wheel surface of the wheel. The cylindrical rotor and the cylindrical stator are selectively attachable to the axle and the outer wheel surface, respectively, without removing the wheel from the vehicle. 1. A hub motor for a wheel of a vehicle , comprising:a cylindrical rotor and a cylindrical stator coaxially spaced from the cylindrical rotor along an axle,the cylindrical rotor including a rotor attachment to selectively couple the cylindrical rotor to the axle,the cylindrical stator disposed between the cylindrical rotor and the wheel, the cylindrical stator including stator attachments to selectively couple the cylindrical stator to an outer wheel surface of the wheel; andthe cylindrical rotor and the cylindrical stator being selectively attachable to the axle and the outer wheel surface, respectively, without removing the wheel from the vehicle.2. The hub motor of claim 1 , wherein the axle extends in an axial direction away from the vehicle to an outer end of the axle claim 1 , and the wheel is supported by the axle and rotatable about a rotational axis that coincides with the axial direction claim 1 , andwherein the hub motor is arranged between the outer wheel surface and the outer end in the axial direction.3. The hub motor of claim 1 , wherein the hub motor delivers power to cause the wheel to rotate upon selectable attachment of the cylindrical rotor and the cylindrical stator to the axle and the outer wheel surface claim 1 , ...

Geared in-wheel motor

Disclosed herein is a geared in-wheel motor, the geared in-wheel motor, including, a circular rim an outer wheel of which is wrapped by a tire and which is coupled to the tire, a shaft configured to pass through a center of the rim and connected to the rim, a motor assembly comprising a stator connected and fixed to the shaft in the rim and a rotor disposed to wrap the stator and configured to rotate, a cover configured to seal an opened portion of the rim and coupled to the rim, and a gear assembly disposed in the rim and configured to reduce a speed of rotation of the rotor, wherein the gear assembly comprises a sun gear disposed at the same center as the rotor, and a plurality of planetary gears disposed to surround and wrap a circumference of the sun gear, fixed to the rotor and configured to rotate along with the rotor.

TENSIONER FOR A SUSPENSION SWING ARM

A swing arm suspension for suspending a rear drive wheel in a three-wheeled electric vehicle has an adjustable arm which allows the tension on the drive belt to be easily adjusted for installing or removing the drive belt or adjusting tension for operation. 1. A swing arm suspension for suspending a driven wheel from a vehicle chassis having front and rear ends , said suspension comprising;a. a rigid arm having a first end pivotally mounted for pivoting about a first horizontal axis transverse to a longitudinal axis of the vehicle on a first axle pivotably supported on said chassis and a second end for adjustably securing to a wheel hub assembly;b. at least one wheel hub rotatably supported on a second axle rotatably mounted on said wheel hub assembly for securing a wheel thereto for rotation about a second transverse horizontal axis;c. a first driven pulley mounted on said second axle;d. an electric motor having a drive shaft and comprising a second drive pulley mounted on said drive shaft;e. an endless flexible drive belt or chain for transmitting rotational motion from said second drive pulley to said first driven pulley; andf. means on said rigid arm spaced from said first end thereof for securing one end of a shock absorber or spring;g. an access to the second drive pulley, said access having a width that is greater than a combined width of said second drive pulley and said endless flexible drive belt or chain; 'whereby the tension of said endless flexible drive belt or chain can be increased or decreased by extending or retracting said adjustment member, and whereby said endless flexible drive belt or chain may be mounted onto or removed from said second drive pulley via the access without the need to remove any parts of said suspension when mounting or removing said endless flexible drive belt or chain.', 'h. wherein said rigid arm is pivotally connected to said wheel hub assembly at two vertically spaced locations, the location of the second one of said ...

Powered utility cart and compliant drive wheel therefor

A lift-enabled motorized wheel assembly and material handling cart. A drive wheel is supported on an axel between a fixed leg and a floating leg. The axel passes through the fixed leg without interference, but is captured in the floating leg by a self-aligning bearing. The axle is driven by a drive motor that is bolted to the fixed leg through a right-angle gearbox. A vertical suspension unit provides compliance for drive wheel traction. A lifter sub-assembly alternately raises and lowers the drive wheel into and out of contact with the ground. The lift-enabled motorized wheel assembly is attached to the bottom of a cart frame, along with a plurality of caster wheels. The cart includes a tow-bar that is moveable between raised and lowered positions. When the tow-bar is lowered condition for towing, the drive wheel automatically lifts out of contact with the ground.

UNIVERSAL WHEEL

The universal wheel includes a base member, a vertical axle, a lift member, and a wheel member. The lift member adjusts the universal wheel's height. A first driving element, a second driving element, and an engaging element are configured on the base member and the wheel member. The first driving element for turning the base member laterally within 360 degrees. The second driving element is for rolling the wheel member around its lateral axle. The engaging element couples or decouples an external shaft with the lateral axle of the wheel member. As such, through the first and second driving elements, and the engaging element, the universal wheel can control a height from the ground and can be rolled forward, laterally, obliquely, turned 360 degrees when standing in place, or in a combination of these operations. 1. A universal wheel , comprisinga base member having a top side, a pair of downward extended and parallel side pieces from the top side, and a bearing on the top side;a lift member having a bottom end joined to the top side of the base member on the bearing for adjusting a height of the wheel member from the ground;a vertical axle running vertically upward through a fastening element, the top side of the base member, and the bearing, where a first end of the vertical axle is joined to the bottom end of the lift member, a second end of the vertical axle has flange segments for engaging with the fastening element;a wheel member having a lateral axle whose two ends are joined to the side pieces, respectively, so that the wheel member is rotatable between the side pieces around the lateral axle;a first driving element for engaging the bottom end of the lift member and therefore turning the base member laterally within 360 degrees around the vertical axle;a second driving element coupled to the lateral axle of the wheel member for rolling the wheel member around the lateral axle; anda tubular element configured on a second side piece and coupled to the lateral ...

DRIVE UNIT FOR TRACKED VEHICLE AND VEHICLE PROVIDED WITH DRIVE UNIT

The invention relates to a drive unit for a tracked vehicle such as a tracked forwarder. The drive unit comprises a track support beam, at least one drive wheel, a set of support wheels and an endless track, said at least one drive wheel being arranged to drive said endless track running over said at least one drive wheel and said set of support wheels. The drive wheel and the support wheels are rotatably attached in said track support beam. The drive unit further comprises an electric motor attached to said at least one drive wheel and integrated in said track support beam, and a track support beam integrated lubrication system comprising a pump unit arranged for pressurized supply of lubricant to parts of the drive unit in need of lubrication. 1. (canceled)2. A track support beam for a tracked vehicle , configured to support at least one drive wheel , a set of support wheels and an endless track , the track support beam comprising a transversal partition plane along which the track support beam is configured to be divided in a front section and a rear section.3. The track support beam according to claim 2 , wherein said front and rear sections are configured for removable mounting to each other along said transversal partition plane.4. The track support beam according to claim 2 , comprising an electric motor constituting an electric drive unit arranged to drive said at least one drive wheel claim 2 , wherein the electric motor is integrated in one of said front and rear sections constituting a motor comprised section.5. The track support beam according to claim 4 , further comprising a transmission device integrated in said motor comprised section of the track support beam.6. The track support beam according to claim 5 , further comprising a lubrication system integrated in said motor comprised section of the track support beam.7. The track support beam according to claim 4 , wherein the transversal partition plane is arranged such that the motor comprised ...

Drive Unit for an Industrial Transport Vehicle

A drive unit, in particular for an industrial transport vehicle, is at least comprised of a gearbox with at least one gear stage, a drive motor and a running wheel. To minimize the costs when there are substantially greater loads on the running wheel, there are provisions in accordance with the invention for the running wheel to be directly connected to a bevel gear on the output side, which is supported by a first bearing element for accommodating the load and by a second bearing element that serves to provide stabilization and that is supported in the gearbox . The first bearing element bears all of the loads here, whereas the second bearing element with substantially smaller dimensions merely has to cushion tilting forces that arise.

Mover, carrier, parts mounting system, and shaft coupling for movers

A mover includes a body, an axle, a drive wheel, a motor, a speed reducer, and a shaft coupling. The wheel is arranged rotatably around the axle. The reducer is attached to the axle to reduce and transmit rotational power of the motor and includes an output shaft aligned with a center axis of the axle. The coupling transmits the rotational power of the reducer to the wheel and includes a cylindrical portion having an annular shape when viewed along the center axis and housing the reducer at least partially inside. The cylindrical portion includes an input portion and an output portion at first and second ends, respectively, along the center axis. The cylindrical portion further includes an absorber between the input and output portions to absorb deviation and an angle of deviation between respective rotational center axes of the output shaft and the drive wheel.

Electric axle assembly

An electric axle assembly is disclosed. The electric axle assembly includes a common housing with an electric motor, a continuously variable transmission, and a planetary differential. The electric motor includes an output shaft and the continuously variable transmission is connected to the output shaft. The continuously variable transmission includes a drive shaft configured to be variably driven by the output shaft. The planetary differential is connected to the drive shaft, and the planetary differential includes a carrier configured to be driven by the drive shaft and dual sun gears configured to be driven by the carrier. Wheel axles are in independent driving engagement with a respective one of the dual sun gears.

IN-WHEEL MOTOR

An in-wheel motor, comprising: a rotor () of a surface permanent magnet type, wherein a plurality of permanent magnets () are fixed along an inner circumferential surface of the rotor; wedge-shaped protrusions () for fixing the permanent magnets () on the rotor (); and a stator () disposed inside the rotor (), wherein teeth () and slots () are alternately formed on an outer circumferential portion of the stator; wherein the number of the permanent magnets () is 32, and the number of the slots is 24; wherein each of the permanent magnets () has chamfers () on each of the ends so that a magnetic flux cannot concentrate, and is convex toward the stator (), in a cross-section perpendicular to a rotary axis of the rotor (). 1. An in-wheel motor of an outer-rotor type for driving a wheel of an in-wheel motor vehicle having the motor incorporated in the wheel , comprising:a rotor of a surface permanent magnet type, wherein a plurality of permanent magnets are fixed along an inner circumferential surface of the rotor;wedge-shaped protrusions for fixing the permanent magnets on the rotor; anda stator disposed inside the rotor, wherein teeth and slots are alternately formed on an outer circumferential portion of the stator;wherein the number of the permanent magnets is 32, and the number of the slots is 24;wherein each of the permanent magnets has chamfers on each of the ends so that a magnetic flux cannot concentrate, and is convex toward the stator, in a cross-section perpendicular to a rotary axis of the rotor.3. The in-wheel motor according to claim 2 , wherein the wedge-shaped protrusions are formed integrally with the rotor.4. The in-wheel motor according to claim 1 , wherein each of the permanent magnets engages with the wedge-shaped protrusion on an end side thereof from a position of the chamfer. The present disclosure relates to an in-wheel motor of an outer-rotor type for driving a wheel of an in-wheel motor vehicle in which the electric motor is incorporated in ...

BATTERY POWERED SKATEBOARD

The disclosure relates generally to an electric skateboard. The electric skateboard may include a deck, at least a rechargeable battery pack, a control module, and a communications module, a pair of trucks mounted to the deck, a plurality of wheels mounted on axles of the trucks; and one or more motors installed in one or more of the plurality of wheels for propelling the electric skateboard. The deck may include a front end, a rear end, a top plate. The rechargeable battery pack, control module, and communications module may be enclosed in an enclosure attached to the deck. 1. An electric skateboard , comprising:a deck including a front end and a rear end;at least a rechargeable battery pack enclosed in an enclosure attached to the deck;a front truck mounted on the front end and a rear truck mounted on rear end of the deck; anda pair of wheels mounted on the front truck and a pair a wheels mounted on the rear truck, each of the two pairs of wheels including a hub motor.2. The electric skateboard of claim 1 , further comprising a handle including a remote controller for controlling the hub motors claim 1 , wherein the handle includes two foldable arms that are connectable to the deck for carrying the electric skateboard.3. The electric skateboard of claim 2 , wherein the foldable arms each include a protrusion configured to slide into a groove in the deck for carrying the skateboard.4. The electric skateboard of claim 1 , further comprising one or more elongated side lights mounted to two sides of the deck and each extending approximately to the front and the rear end.5. The electric skateboard of claim 4 , wherein the deck has a length between the front end and the rear end claim 4 , and the two elongated side lights each are more than half of the length of the deck.6. The electric skateboard of claim 1 , wherein the deck includes carbon fiber material.7. The electric skateboard of claim 1 , further comprising one or more sound exciters attached to the deck.8. An ...

YOKE MODULE SYSTEM FOR POWERING A MOTORIZED WHEEL

The yoke module is including wherein an elongated USB power cable, one or more yoke module sections accommodating access for the USB power cable and wire connectors to be threaded through one or more slotted openings and to exit out the top yoke module section, a first connection method to connect with the drive motor's lead cable harness directly to the USB power cable, a method to conceal and protect the drive motor's lead cable harness and the USB power cable by means of a coupling enclosure and yoke sleeve enclosure achieved through the yoke module's fabrication process. The yoke module also comprises a method for USB power cable to provide electricity power to drive a motorized wheel. The yoke module system comprises a second connection method for the yoke module to plug into auxiliary components including; a battery, a computer control system, and sensors for motion stability. 1. A yoke module system for powering a motorized wheel comprising:a yoke module, said yoke module comprising an elongated USB power cable which is contained within said yoke module, said yoke module is fabricated in a preferred shape and dimension, the yoke module is including a process means for accommodating access of said USB power cable to be threaded through the top and the bottom sections of said yoke module,a motorized wheel comprising a drive motor which is rotatably mounted on a hub assembly, said drive motor is comprising a lead cable harness, said lead cable harness to be contained within the yoke module,a first connection method to connect with the drive motor's lead cable harness directly to the USB power cable, anda second connection method for the USB power cable to connect to an auxiliary contrivance including at least that of one of a controlled power system including a battery with a charging device, a computer control system, and sensors.2. The yoke module of comprising one or more yoke sections and access openings allowing the USB power cable and lead cable harness to ...

Self-Balancing Robot System Comprising Robotic Omniwheel

A self-balancing robot system comprising artificial intelligence characterized in that the robot is comprising a humanoid body or comprising a vehicle body. The humanoid body is used for service comprises; an articulated head comprising a voice system for user interaction, and a logic controller for facial imaging via a LED system and LED display monitor. The robot body comprising; a neck, two electromechanical arms with actuating hands used to achieve gripping objects; a pivoting trunk containing a computer operating system, the electrical control system including a batter bank and a battery charger; the lower portion of the body utilizing uni-robotic omniwheel or utilizing legs coupled to the robotic omniwheels or coupled to omnidirectional track wheels which work like skates. The robot system also comprises a computer operating system, a motion control system, an autonomous drive system, a wireless communication system working in combination with an attitude sensing system using state sensors, actuators and accelerometers to control pitch and balance thus allowing the service robot and service vehicle to work indoors and travel on common roadways and on smart highways. 1. A self-balancing robot system comprising:one or more robotic omniwheels, the robotic omniwheel is configured with at least that of; a hub wheel including a drive motor having an axis of rotation, a yoke module shaped with fork arms used for supporting said motorized wheel and a steering motor to steer the robot by means of said robotic omniwheel; the hub wheel configured with an attitude sensing system comprising a state sensor to achieve pitch balance of the robot via trajectory methodologies;a first service robot characterized having a level of artificial intelligence architecture configured to achieve autonomous drive;a service robot body comprising upper, middle and lower body sections configured one or more compartments with access doors;a robot construction method comprised of; a humanoid ...

Stator assembly for wheel motor and stub axle support therefor

Traction/braking device ( 50 ) for electric wheel motor comprising a stator assembly ( 2 ), a rotor ( 3 ), a braking system ( 4 ) with brake disc ( 45 ) rotating as one with the rotor, the stator assembly comprising a stub axle support ( 1 ), a stator body ( 21 ) and a cover ( 22 ) delimiting a stator cooling chamber ( 5 ), the stub axle support comprising a securing base ( 12 ) intended for connecting the traction/braking device ( 50 ) to the vehicle, the stub axle support ( 1 ) comprising three axial passages for two fluid pipes ( 14, 15 ) and one for the passage of cables ( 16 ), these three passages opening into a central zone ( 11 ) of the securing base.

IN-WHEEL MOTOR SYSTEM

An in-wheel motor system can drive an in-wheel motor stably, and also allows power feeding from the road surface, even when transmission and reception coils are misaligned. An in-wheel motor system () includes a power transmitter () that utilizes a resonance phenomenon using a magnetic field. The power transmitter () transmits power (P) wirelessly from the vehicle body to an in-wheel motor () mounted in a wheel. The in-wheel motor system () may also include a communication interface () that communicates between the vehicle body and the wheel, and the communication interface () may transmit a control signal (CTL) for driving the in-wheel motor. 1. An in-wheel motor system comprising:a power transmitter that utilizes a resonance phenomenon using a magnetic field; whereinthe power transmitter transmits power wirelessly from a vehicle body to an in-wheel motor mounted in a wheel.2. The in-wheel motor system of claim 1 , further comprising:a communication interface configured to communicate between the vehicle body and the wheel; whereinthe communication interface wirelessly transmits a control signal for driving the in-wheel motor.3. The in-wheel motor system of claim 2 , further comprising:the in-wheel motor;a motor conversion unit configured to convert a first DC voltage into a motor AC voltage that drives the in-wheel motor during powering;a wheel side capacitor configured to smooth the first DC voltage during powering; anda wheel side conversion unit configured to convert a first AC voltage from a wheel side coil into the first DC voltage during powering; wherein the wheel side coil, configured to receive wirelessly transmitted power at the wheel side during powering; and', 'a wheel side resonance capacitor inserted in series between the wheel side conversion unit and the wheel side coil., 'the power transmitter comprises4. The in-wheel motor system of claim 3 , further comprising:a wheel side controller configured to control, with a first control signal, switching ...

Electric vehicle

An electric vehicle includes a wire harness that flexibly follows the swinging of the swing arm, surely avoids any contact with other components, and has excellent durability. The electric vehicle includes a battery mounted to a frame, an inverter and an electric motor accommodated in a swing arm, and a wire harness wired between the frame and the swing arm. The swing arm includes a hollow pivot section, and a partition wall partitioning the pivot section and an arm section. The wire harness suspends from the frame side, enters inside the pivot section from the top face side of the pivot section, and is bent inside the pivot section reaching the inverter through the partition-wall through port.