A motor assembly includes a motor, a housing that accommodates the motor, an inverter electrically connected to the motor, an inverter case that accommodates the inverter, an auxiliary device provided in a lower portion of the housing to oppose a road surface, a wire harness that includes a first connector connected to a connector provided in the inverter case, a second connector connected to a connector provided in the auxiliary device, and an electric wire connecting the first connector and the second connector, and a lower connector cover provided in the lower portion of the housing and covering the second connector from a lower side.

A torque transfer mechanism for a vehicle, including a housing and a pump disposed therein. The housing includes an exterior surface, an interior surface, and an interior compartment. The interior surface of the housing includes at least one pocket formed therein with the at least one pocket having a plurality of pocket surfaces, which define an interior area. The pump includes a pump portion and a pump housing. The pump housing includes at least one projecting tab extending outwardly therefrom. The at least one projecting tab disposed within the at least one pocket to secure the pump within the transfer case housing. The at least one projecting tab has a pump crown disposed thereover, with the pump crown engaging each of the plurality of pocket surfaces and substantially filling out the interior area.

An oil pump configuration for a motor vehicle includes an oil pump having a pump part and an electric pump motor, wherein the pump part is operatively connected to the electric pump motor, The pump part and/or the electric pump motor can be mounted to a housing which at least partially delimits an oil chamber. Sealing problems at the pump part are prevented and the required installation space is low because the pump part can be mounted inside the housing and the electric pump motor can be mounted from the outside to the housing.

A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing is operationally coupled to the shift actuator and a linear clutch actuator. The linear clutch actuator is a self-adjusting actuator, and the transmission includes a self-adjusting clutch.

The invention discloses a high-transmission-ratio suspension shaft centrifugal supercharger which comprises a transmission unit, a fan supercharging unit and a cooling unit; the transmission unit is composed of a belt wheel, a planetary gear mechanism, a friction wheel group and a suspension mainshaft, the planetary gear mechanism comprises a sun gear and a planetary gear both installed in a gearbox, the sun gear and the belt wheel are in coaxial installation and rotate together, the planetary gears are distributed at the periphery of the sun gear in a 120 degree symmetric way and are meshed with and follow up the sun gear; the friction wheel group comprises friction wheels arranged in a sealed box and arranged coaxially with corresponding planetary gears; the suspension mainshaft generates contact friction with surfaces of the friction wheels and is driven to rotate together with the friction wheels; the cooling unit is used to pump out high-temperature lubricating oil in the gearbox and the sealed box, and lubricating oil is returned after cooling is performed. According to the invention, the supercharger is substantially improved in transmission precision and speed increasing ratio at a high speed range, and also possesses characteristics of long safe life, convenience for mounting, good heat dispersion performance, low noise and the like.

An oil supply device comprises a main pump driven by an engine and capable of supplying oil to an automatic transmission and to a hydraulic control valve, an electric motor, a subsidiary pump driven by the electric motor that raises the pressure of a portion of the oil discharged from the main pump and supplies the oil to the hydraulic control valve, and a motor controller which controls driving of the electric motor on the basis of the pressure of the oil supplied to the automatic transmission. The motor controller implements control to drive the subsidiary pump by the electric motor to raise the pressure of a portion of the oil discharged from the main pump to a prescribed pressure or above and supply the oil to the hydraulic control valve when the pressure of the oil supplied to the automatic transmission is less than the prescribed pressure.

One aspect of a motor unit of the present invention is a drive apparatus including a motor that has a motor shaft extending in an axial direction, a transmission mechanism that is connected on one side in the axial direction of the motor shaft, a lock mechanism that restricts driving of the transmission mechanism, a housing that houses the motor, the transmission mechanism, and the lock mechanism, an oil that is stored in the housing, and an oil passage that circulates the oil. The housing includes a motor room that houses the motor, a gear room that houses the transmission mechanism and the lock mechanism, and a partition that is provided between the motor room and the gear room. The oil passage includes a pump that pumps the oil in the oil passage, a first feed flow passage that feeds the oil to the motor, and a second feed flow passage that feeds the oil to the lock mechanism.

A power transmission device for a hybrid vehicle has a first clutch device (1a) disposed in a drivetrain between an engine (E) and a driving wheel (D). A second clutch device (1b) disposed in a drivetrain extends from a motor (M) to the driving wheel (D). The oil pump (P), connected to the motor (M), supplies oil to a predetermined moving component disposed in the vehicle by using driving power of the motor (M). A transmission (A) is disposed in a drivetrain between the engine (E) and the motor (M) and the driving wheel (D). The transmission adjusts rotation speed of the motor (M). The power transmission device supplying oil by causing the motor (M) to rotate the oil pump (P) at an appropriate rotation speed.

A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. A controller controls the shift actuator utilizing an actuating pulse and an opposing pulse.

A drive unit of a hybrid vehicle includes an engine; an electric motor; first and second differential mechanisms; a selectable one-way clutch; and a case accommodating the electric motor. Further, the first differential mechanism includes a first rotational element coupled to the electric motor, a second rotational element coupled to the engine, and a third rotational element that outputs power toward drive wheels, the second differential mechanism includes a sun gear coupled to the electric motor, a carrier coupled to the engine, a ring gear whose rotation is regulated by the selectable one-way clutch, and a ring gear flange that rotates integrally with the ring gear, and the selectable one-way clutch switches a state thereof between a locked state and an unlocked state, and the ring gear flange is supported by a rotor shaft of the electric motor via a radial bearing.