A powertrain includes an internal combustion engine, an electric machine including a rotor, a geartrain including a pump drive mechanism, a first clutch and a second clutch and a variator for a continuously variable transmission (CVT). The internal combustion engine is rotatably coupled to the rotor of the electric machine by activation of a second clutch. The internal combustion engine is rotatably coupled to the variator by activation of first and second clutches. The rotor of the electric machine is rotatably coupled to the variator by activation of the first clutch, and the electric machine is operative in either a forward direction or a reverse direction. The geartrain is disposed to operate the pump drive mechanism to drive a fluidic pump in a first direction when the electric machine is operating in the forward direction and when the electric machine is operating in the reverse direction.

The invention aims to provide a motor module in which the number of components is reduced and the number of steps required for assembly is reduced, and an ABS hydraulic unit in which the motor module is embedded. Provided is a motor module including a motor and a planetary gear mechanism which is attached to an output shaft of the motor. The motor module includes a fixing portion that integrally fixes the motor and the planetary gear mechanism. The fixing portion fixes the motor by inwardly clamping the motor and fixes an internal gear of the planetary gear mechanism.

Systems and methods are provided for a mechanical system for a transmission. In one example, the mechanical system in a transmission of a vehicle, comprising: a first one-way clutch included in a first gear combination that is rotationally coupled to an output shaft and to a pump shaft; and a second one-way clutch included in a second gear combination that is arranged parallel to the first gear combination, the second gear combination also rotationally coupled to the output shaft and to the pump shaft; wherein the first and the second gear combinations have an unequal number of gears.

A cooling system for an electric drive device of a vehicle. The electric drive device includes a housing, a motor accommodated in a first space in the housing and a reducer accommodated in a second space in the housing. The cooling system includes a cooling pump, having a first suction port and a second suction port connected to the first space and the second space respectively. The cooling pump is operatively configured to alternatively suck in cooling liquid from the first suction port or the second suction port; and a cooler connected to an outlet of the cooling pump to receive the cooling liquid sucked in from the first suction port or the second suction port.

A vehicle drive device that includes a mechanical oil pump that is driven by a driving force source for a wheel; an auxiliary oil pressure source; a driving force transmission mechanism that transmits a driving force between the driving force source and the wheel; and a case that accommodates at least the driving force transmission mechanism.

A powertrain includes an internal combustion engine, an electric machine including a rotor, a geartrain including a pump drive mechanism, a first clutch and a second clutch and a variator for a continuously variable transmission (CVT). The internal combustion engine is rotatably coupled to the rotor of the electric machine by activation of a second clutch. The internal combustion engine is rotatably coupled to the variator by activation of first and second clutches. The rotor of the electric machine is rotatably coupled to the variator by activation of the first clutch, and the electric machine is operative in either a forward direction or a reverse direction. The geartrain is disposed to operate the pump drive mechanism to drive a fluidic pump in a first direction when the electric machine is operating in the forward direction and when the electric machine is operating in the reverse direction.

It is an object of the present invention to provide a transmission convertible to various specifications while ensuring compatibility of housing. It is further an object of the present invention to provide a transmission that can restrain vibration of a hydraulic unit, and that can downsize the housing. As a solution to the problem, a transmission (3) includes: a hydraulic unit which operates with a working fluid; an input shaft (312, 372) configured to transmit rotary power to the hydraulic unit; an output shaft (313, 373) configured to transmit rotary power from the hydraulic unit; and a housing (7) configured to accommodate the hydraulic unit, the input shaft (312, 372), and the output shaft (313, 373), wherein the transmission is capable of selecting a continuously variable transmission (311) or a connection/disconnection device (371) as the hydraulic unit.

A self-propelled earth working machine (10) comprises a machine frame (14) and a traveling gear (12), wherein the traveling gear (12) comprises a plurality of rollable drive units (18, 22), wherein the machine frame (14) supports a working apparatus (28) for ground removal work, wherein the working apparatus (28) is accommodated on the machine frame (14) so as to be rotatable about an axis of rotation (R), wherein the earth working machine (10) comprises an electric work drive (50) in order to drive the working apparatus (28) to perform a rotating working movement effecting the ground removal work, wherein the earth working machine (10) comprises an electrical energy source (56), which outputs electrical energy to the working apparatus (28) during the ground removal operation, and wherein the earth working machine (10) comprises a receiving configuration (42) for receiving a conveyor apparatus (40) for transporting removed ground material.

According to the invention, the electrical energy source (56) is an electrical energy store (56), wherein in a reference state, in which the earth working machine (10) stands on level ground (U), the electrical energy store (56) on the one hand and the receiving configuration (42) on the other hand are situated on different sides of a reference plane (BE) that contains the axis of rotation (R) and that is orthogonal to the contact surface of the ground (U).

The invention aims to provide a motor module in which the number of components is reduced and the number of steps required for assembly is reduced, and an ABS hydraulic unit in which the motor module is embedded. Provided is a motor module including a motor and a planetary gear mechanism which is attached to an output shaft of the motor. The motor module includes a fixing portion that integrally fixes the motor and the planetary gear mechanism. The fixing portion fixes the motor by inwardly clamping the motor and fixes an internal gear of the planetary gear mechanism.

An electric work vehicle includes a mounted body enabling execution of a specific work. The electric work vehicle further includes a main frame, a cab in a front portion of the main frame, an electrical component unit on the main frame in a position lower than a lower surface of the cab, and a power take off (PTO) unit having a work machine drive unit for driving a work machine to execute the specific work by the mounted body, and a mounted motor for supplying rotational power, by electric power of the battery, to the work machine drive unit. In the PTO unit, the mounted motor is in a position lower than the lower surface of the cab and in a lowermost layer region of a space where the electrical component unit is disposed, and the work machine drive unit is disposed in a position rearward from the mounted motor.