Abstract: A motorcycle has at least two independently driven wheels to reduce energy consumption. The independently driven wheels are driven independently.

Abstract: A vehicle including a wheel assembly with an in-wheel motor that reduces the rate of output of the in-wheel motor using a reduction mechanism, which includes a counter gear mechanism and a planetary gear set, and drives a wheel and is structured such that the directionality of a helix angle of a helical gear of a counter gear mechanism in a left wheel is opposite the directionality of a helix angle of a helical gear of the counter gear mechanism in a right wheel, and the directionality of the helix angle of a helical gear of the planetary gear set in the left wheel is the same as the directionality of the helix angle of a helical gear of the planetary gear set in the right wheel.

Abstract: A housing structure of an in-wheel motor, the housing structure being formed by combining a plurality of divided housings, the housing structure receiving at least an electric motor for revolving a wheel, the housing structure includes a suspension side divided housing having a fixing boss for fixing the housing structure to a suspension system, and a connection side divided housing connecting to the suspension side divided housing and having a connection boss formed in a position corresponding to a position where the fixing boss is formed.

Abstract: A vehicle drive assembly is provided. The vehicle drive assembly includes an engine, a transmission operably coupled with the engine, an output shaft operably coupled with the transmission, a differential operably coupled with the output shaft, an axle shaft rotatably coupled to the differential, at least one wheel selectively coupled to the axle shaft via a rotatable axle stub, an electric wheel motor operably coupled to the at least one wheel via the rotatable axle stub, and a coupling device operably coupled with the electric wheel motor for selectively coupling the axle stub with the axle shaft.

Abstract: A sensor equipped axle unit having an in-wheel type motor built therein, in which a hub bearing assembly (A), an electric motor (B), a reduction gear unit (C) and a brake assembly (D) are arranged coaxially on a center axis of a vehicle drive wheel. Sensors (80, 81 and 82) are provided for measuring forces Fx, Fy and Fz acting at a point of contact of the vehicle drive wheel (70) and a road surface in three axis directions perpendicular to each other, respectively, from the status of at least one of the hub bearing assembly (A), the electric motor (B), the reduction gear unit (C) and the brake assembly (D). Results of such measurement are utilized for a suspension control, an ABS control and any other control.

Abstract: An improved bag, case, trolley case and the like comprises a containing body including wheels for displacing the containing body, wherein to at least a wheel is coupled an electric current generator, for power supplying at least an electric component.

Abstract: A drive train module with an electric motor, a clutch differential, a pair of wheel hubs and a pair of shafts, which rotatably couple the wheel hubs to the clutch differential. The clutch differential can have an input member, which can be coupled to an output shaft of the motor, and first and second overrunning clutches. The overrunning clutches permit the electric motor to drive the wheel hubs when the drive train module is activated to provide supplemental drive power, and to prevent the electric motor from being back-driven by the wheel hubs when supplemental drive power is not desired.

Abstract: A vehicle wheel driving apparatus arranging structure has a road wheel 27, a road wheel supporting member 71 connected to a vehicle body via a suspension 31 to support the road wheel 27, and a motor 72 rotating a road wheel side of the road wheel supporting member 71. A center of gravity of the motor 72 is disposed higher than a center C of the road wheel 27, a plurality of arms 32 to 36 which make up the suspension 31 are disposed to support the road wheel supporting member 71, at least one of the arms 32 to 36 is disposed higher than the center of the road wheel 27, and one end of the arm 32 which is disposed higher than the center C of the road wheel 27 is connected to a motor housing 93 of the motor 72.

Abstract: A hub drive has a tubular housing suspended in a vehicle, and a motor in one, inboard end of the housing, and a gearbox in the other end. A hub is driven by the gearbox and is journalled on the housing. A gallery is defined between the motor and housing to receive lubricant from an external connector to cool the motor before delivery via a passage to a rotor of the motor, and thence to the gearbox to lubricate the gearbox. The drive is dismantleable without removal of the vehicle wheel, from the open ends of the housing. A gear change mechanism permits minimisation of the motor while still providing a wide range of torque and speed capability.

Abstract: A cooling structure for an in-wheel motor includes an in-wheel motor mounted within a wheel of a vehicle to drive the wheel or to be driven by the wheel, and an oil channel and a fin serving as “heat radiating portions” to facilitate cooling of the in-wheel motor. The in-wheel motor has a case serving as a “housing”. The “heat radiating portion” is located apart from the case.

Abstract: A vehicular wheel assembly includes a first bearing component including at least one frame connector configured to be coupled to a frame of a vehicle, a second bearing component rotatably coupled to the first bearing component, a motor including a stator and a rotor, the stator being coupled to the first bearing component and the rotor being coupled to the second bearing component such that rotation of the rotor relative to the stator causes the second bearing component to rotate relative to the first bearing component, the first bearing component and the motor being shaped such that a gap is formed between the at least one frame connector and the motor, and a brake mechanism coupled to the second bearing component to slow the rotation of the second bearing component and the rotor.

Abstract: The present invention provides a method for cooling and lubricating an off-axis motor/generator of a hybrid transmission. A transmission case at least partially defines a manifold. A transmission cover is mounted to the transmission case such that the off-axis motor/generator is retained therebetween. The transmission cover at least partially defines an oil passage. Oil is transferred through the manifold and onto a bearing device so that the bearing device is lubricated. Oil is also transferred through the oil passage and onto a torque transfer device such that the torque transfer device is lubricated. A corresponding apparatus for lubricating an off-axis motor/generator of a hybrid transmission is provided is similarly provided.

Abstract: A wheel assembly with an in-wheel motor in which a wheel driving apparatus formed of a motor or a combination of a motor and a reduction mechanism is provided in a wheel, includes an oil supply apparatus that is driven by rotational output of the motor, and an oil supply flow path that leads oil that has been drawn up by the oil supply apparatus to the wheel driving apparatus. The oil supply apparatus is structured so that oil can be supplied to the wheel driving apparatus via the oil supply flow path when the motor is rotating in the forward the direction as well as when the motor is rotating in the reverse direction.

Abstract: A four-wheel vehicle is provided with an in-wheel motor in each of a front wheel and a rear wheel and has approximately the same roll center heights of the front wheel and the rear wheel. The relation between a change in a kingpin offset and a change in a wheel stroke for at least any one of the front wheel and the rear wheel of the four-wheel vehicle is determined based on at least any one of braking force distribution and driving force distribution between the front wheel and the rear wheel.

Abstract: A brake structure for a wheel rotating device is disclosed, which comprises a motor provided in a wheel and is driven for rotating the wheel, and a braking mechanism for actuating brake to brake the wheel. The motor includes: a motor housing; a stator positioned in and fixed to the motor housing; and a rotor positioned in the motor housing and facing to the stator. The braking mechanism includes: a brake rotor to rotate with the wheel; frictional members to be in contact with the brake rotor for generation of braking force; a pressing force generating unit for generating pressing force of the frictional members so that the frictional members are urged to and pressed against the brake rotor by supplying brake fluid through a brake fluid passage to transmit fluid pressure; and a housing for the pressing force generating unit. The brake fluid passage is formed inside a wall of the motor housing, and is connected to a brake fluid supply port provided in the housing for the pressing force generating unit.

Abstract: A drive unit for a motor vehicle exhibits an internal combustion engine and a transmission. The drivable wheels of the motor vehicle can be driven by means of the rotary motion of the output shaft of the transmission. The drivable wheels of the motor vehicle can be driven alternatively or additionally by an electric motor, which can be mounted in such a manner that its rotor forms a part of the output shaft of the transmission. The electric motor is dimensioned in such a manner in its outer dimensions that it can replace a part of the output shaft of the transmission.

Abstract: A central drive personal mobility vehicle is disclosed comprising a frame having a right and a left frame mounting located in a trailing frame portion of the frame with a seat being mounted to an intermediate portion of the frame. A right and a left leaf spring extend between a proximal end and a distal end. The proximal ends of the right and left leaf springs are secured to a right and a left drive wheel assembly supporting a left and a right drive wheel. The distal ends of the right and left leaf springs are secured to the right and left frame mounting for resiliently mounting the right and left drive wheel assemblies to the frame.

Abstract: A vehicle mounting system is disclosed having a transfer arm coupled between the engine and the vehicle's rear axle for equalizing rear tire traction, control violent vibrations due to tire shake, improve drivability of the vehicle and safe control thereof The arm works by torque rotation of the engine at acceleration creating an upward force of the transfer arm at the area engine mount.

Abstract: In an arrangement of a steerable rigid axle on a chassis of a tractor of modular construction, the rigid axle is spring-mounted with respect to the tractor chassis and is supported on its rear side via a propeller shaft tube swingable in a support bearing block on the side of the chassis, the arrangement includes an oil sump provided with a tunnel-like recess a support bearing block partially made in one piece with the oil sump.

Abstract: An enclosure for receiving therein a differential case of an automotive vehicle is arranged adjacent an internal combustion engine and is connected to an oil pan arranged beneath the engine. The enclosure is inclined at a predetermined angle about the horizontal axis of the engine. The enclosure has a pair of openings in the side wall thereof through which a pair of axle shafts pass. The axle shafts are also inclined at the same angle as the inclined angle of the enclosure. One of the axle shafts passes through openings formed in the side walls of the oil pan so as to extend to the opposite side of the oil pan. The inclinations of the enclosure and axle shafts allows the height of an engine hood and the width of the vehicular body to be decreased.

Abstract: A drive unit (D) including a front axle (18) with front axle shafts (20, 22) rotatably supported therein, an electric motor (24), and a reduction gear unit operatively connecting the electric motor to the front axle shafts. A housing (26) for the reduction gear unit fixes the electric motor (24) to the front axle (18) and a pair of brackets (28, 30) connect opposite end portions (18c) of the front axle (18) to the opposite front side frame members (10, 12), respectively, so that the housing (26) with the electric motor (24) is swingable about an axis of the front axle shafts (20, 22). Bosses (38, 40) are formed on the housing (26) and on one of the brackets (28), respectively, and a bolt (42) is inserted through the holes (38a, 40a) in the bosses for detachably fixing the housing (26) with the bracket (28), to thereby fix the electric motor (24) to the front side frame member (10) via the bracket (28).

Abstract: A combined motor and transmission assembly in which a singular, tubular housing contains the motor and a planetary transmission. This tubular housing has the ring gear for the planetary transmission gear set formed integrally within its internal walls and also directly supports on its external wall a member driven by the planetary transmission.

Abstract: An engine mounting structure for a vehicle of the front-engine, front-drive or rear-engine, rear-drive type, wherein an engine and a transmission are separately mounted with the output shaft of the engine and the input shaft of the transmission interconnected through a universal joint. The engine and the transmission are independently supported on the vehicle body through rubber mounts. With such an arrangement, vibrations from the engine can be effectively prevented, and the engine and the transmission can be reliably mounted on the body through supports which are respectively suitable for them.

Abstract: A mounting arrangement for a transversely mounted engine-drive unit in which the engine-drive unit is connected to a vehicle sub-frame by structure preventing longitudinal movement between the unit and the sub-frame while permitting limited vertical movement therebetween with the engine-drive unit carrying the driven axle while the non-driven axle is mounted on the sub-frame and a self-supporting body is resiliently connected to the sub-frame and to the engine-drive unit. The connecting structure also permits slight pivoting movements around a transverse axis.

Abstract: A power unit for a front drive or a four-wheel drive automotive vehicle comprises a counterflow, intake-exhaust type engine with straight-lined cylinders, a clutch, a transmission assembly, a final gear kit and a differential gear unit compactly arranged to one another. The engine is mounted approximately at the center of the width of the vehicle with a crank shaft of the engine extending in a longitudinal direction of the vehicle, and the final gear kit and the differential gear unit are disposed below the engine. The transmission assembly has an output shaft connected coaxially to a final drive pinion shaft which is disposed at the center of the width of the vehicle and extends below the clutch.

Abstract: A self-propelled vibratory compactor has a one-piece frame supported at one end by a steel roller drum and at the other end by a yoke-mounted, single, high-flotation pneumatic rubber tire. An engine on the frame drives hydraulic pumps which supply fluid to a hydraulic vibrator motor which drives an eccentric shaft within the roller drum, a hydraulic wheel motor which drives the pneumatic tire, and a hydraulic power steering system for turning the yoke. The yoke spindle mounts a rotary seal which transmits fluid between a pump on the frame and the wheel motor on the yoke. A special clamp-type drive wheel assembly mounted the pneumatic tire to resist slippage of the tire on the wheel assembly.

Abstract: An axle housing which encloses a transmission for the drive of a pair of traction wheels, e.g. as used on a fork-lift truck, has an upper recess flanked by cheeks of enlarged housing extremities which accommodate respective planetary-gear trains. One of the cheeks carries a vertical supporting plate for a hydrostatic drive motor whose shaft enters the axle housing through that cheek and carries a pinion meshing with a toothed ring on a differential-gear housing. The latter housing may be rotatable about a vertical axis through 180.degree. to accommodate motors of different axial length.