Abstract: A pedaled drivetrain includes a drive mechanism, a wheel, a freewheel hub, and a locking mechanism. The wheel has a rotational axis. The freewheel hub connects the drive mechanism to the wheel, and the freewheel hub transmits torque from the drive mechanism to the wheel in a first rotational direction around the rotational axis. The locking mechanism has a locked state and an unlocked state. The locked state rotationally fixes a component of the drive mechanism to the wheel relative to the rotational axis.

Abstract: A clutch assembly for a roller door operator, the clutch assembly providing selective engagement with a drive wheel, the clutch assembly comprising: a rotatable shaft rotatable relative to the drive wheel; a clutch disc supported in a clutch lever and arranged to rotate with the rotatable shaft, the clutch disc and clutch lever configured to rotate relative to one another around the axis of rotation of the shaft; and a clutch cam supported in a clutch base, the clutch base configured to permit operative rotation of the clutch cam around the axis of rotation of the shaft in a first direction; wherein the clutch lever is operatively associated with the clutch cam so that rotational movement of the clutch lever in a second direction opposite to the first direction actuates movement of the clutch disc and the clutch lever axially along the rotatable shaft to engage or disengage the clutch disc with the drive wheel, and subsequent rotational movement of the clutch lever in the first direction actuates rotational m

Abstract: A pedaled drivetrain includes a drive mechanism, a wheel, a freewheel hub, and a locking mechanism. The wheel has a rotational axis. The freewheel hub connects the drive mechanism to the wheel, and the freewheel hub transmits torque from the drive mechanism to the wheel in a first rotational direction around the rotational axis. The locking mechanism has a locked state and an unlocked state. The locked state rotationally fixes a component of the drive mechanism to the wheel relative to the rotational axis.

Abstract: Disclosed is a double concentric clutch for a transmission having a power flow to both clutches that extends around an outer drive drum, and for an inner via an oil distributor. Parts are assembled using splines, and axial movements are limited using retaining rings which increases ease of assembly and disassembly.

Abstract: The invention relates to a transmission housing (1) comprising a housing (1) body (1A) which defines an enclosure (1B) and, arranged at least partly inside said enclosure (1B), an input shaft (2), an output shaft (3) and a mechanism (4) for transmitting the movement of the input shaft (2) to the output shaft (3), this movement transmitting mechanism (4) comprising at least one clutch (5), the clutch (5) comprising a driving element (6) and a driven element (7), the driven element (7) being mounted for conjoined rotation with the output shaft (3) and comprising an active part (8) of the clutch (5) and a sleeve (9) that carries said active part (8) of the clutch (5), wherein the active part (8) of the clutch (5) is in bearing contact with the driving element (6) of the clutch (5) when the clutch (5) is in the engaged position, the sleeve (9) being coaxial to the output shaft (3) and mounted for conjoined rotation with the output shaft (3), the sleeve (9) of the driven element (7) being made in a single piece wi

Abstract: The disclosure relates to a disengagement system for actuating a clutch, in particular a clutch in the powertrain of a motor vehicle between the drive motor and the transmission, having a threaded spindle which is rotationally fixed to the clutch at an end region and is thus connected to the drive motor. The disengagement system additionally comprises a disengagement unit, having a stator and a rotor which is connected to the stator by an axial bearing, wherein the rotor rotates together with the threaded spindle and is in engagement with the threaded spindle via a spindle nut, and the clutch is actuated by adapting the rotational speed of the rotor.

Abstract: A wet-running multi-disk clutch (B) for a motor vehicle transmission (G) includes a piston (K) provided at a first side of the multi-disk clutch (B), by which a force acting in an axial direction is applicable onto inner and outer clutch disks (IL, AL) in order to engage the multi-disk clutch (B). The multi-disk clutch (B) is supported against an abutting surface (AF) via an end disk (ALE) of the outer clutch disks (AL) at a second side, which is opposite the first side. Grooves (N) are provided at one or both of the abutting surface (AF) and the end disk (ALE). The grooves (N) are configured and arranged such that cooling fluid (O) routed to the multi-disk clutch (B) is flowable out of the multi-disk clutch (B) through the grooves (N).

Abstract: A double clutch unit for a transmission, having an outer clutch pack and an inner clutch pack each having a clutch pack input and a clutch pack output, wherein a clutch unit input hub rotationally fixed to the outer clutch pack input side and the inner clutch pack input side, a clutch unit inner output hub attached in fixed rotational relation to the outer clutch pack output side, a clutch unit outer output hub attached in fixed rotational relation to an inner clutch pack output side, and an oil distributor rotationally fixed to the inner clutch pack input side, are axially slidable relative to a stator, and a spring-loaded bolt is attached to the engine side of a clutch unit inner power output shaft maintaining the inner output hub, clutch unit outer output hub and oil distributor in axial alignment with respect to the stator.

Abstract: A power transmission apparatus of a hybrid vehicle including an engine and a first motor-generator and a second motor-generator includes a compound planetary gear set engaged to a first motor shaft of the first motor-generator, and configured to receive an engine torque from the engine through a one-way clutch, to receive a motor torque of the first motor-generator, and to output an output torque as a combination of the engine torque and the motor torque through a drive gear, a motor shaft gear connected to a second motor shaft of the second motor-generator, and an output shaft disposed between an engine torque shaft connected to the engine and the second motor shaft connected to the second motor, and gear-engaged with the drive gear and the motor shaft gear respectively through a driven gear, and a brake unit configured to selectively connect one of a first sun gear and a second sun gear of the compound planetary gear set to a transmission housing to act as a fixed element.

Abstract: A hydrodynamic torque converter (1) with a converter torus formed by a pump wheel (3) and a turbine wheel (4) and a guide wheel (5). The guide wheel (5) is supported rotatably by a first axial bearing (51) and a second axial bearing (52). A sealing device (11), with a sealing gap, is provided in the area of the first axial bearing (51), which impedes a through-flow of the working fluid of the torque converter (1) through the first axial bearing (51).

Abstract: A disconnect apparatus including a first clutch member and a second clutch member in selective engagement with the first clutch member. The disconnect apparatus also includes a cam mechanism and a sensor assembly. The cam mechanism includes an axially movable first cam member and an axially fixed second cam member. Wherein the sensor assembly generates a pulse pattern which is utilized to determine a position of the first cam member, and thereby a state of the disconnect apparatus.

Abstract: The present invention relates to a clutch device (6) having a clutch (46) and an actuating mechanism (48) for actuating the clutch (46), wherein the actuating mechanism (48) has a first adjusting element (84) and a second adjusting element (86) which interacts with an impinging element (68) acting on the clutch (46). The first adjusting element (84) can be rotated in the axial direction (8, 10) relative to the second adjusting element (86) with displacement of the second adjusting element (86). Moreover, the present invention relates to a drivetrain (2) for a motor vehicle with a clutch device (6) of this kind.

Abstract: Provided are a wet friction plate and a wet multiplate clutch device capable of reduction drag torque while suppressing a decrease in the area of a friction member. The wet friction plate includes multiple friction members through oil grooves on a flat plate annular core metal. The friction member has first fine grooves opening at an inner peripheral edge of the friction member and extending to an outer peripheral edge side and second fine grooves opening at an outer peripheral edge of the friction member and extending to an inner peripheral edge side. The first fine groove and the second fine groove are formed to have a groove width of equal to or greater than 0.1 mm and equal to or less than 0.8 mm, and overlap portions overlapping with each other in a circumferential direction at the same position in a radial direction of the core metal.

Abstract: A power transmission unit in which an oil pump is arranged without extending a shaft length. In the power transmission unit, an input shaft, a first rotary machine, a differential mechanism, and an output shaft are arranged coaxially. The power transmission unit comprise: a first clutch that engages a first movable member connected to an input element of the differential mechanism with a first engagement section formed on another rotary element; a second clutch that engages a second movable member connected to the output element of the differential mechanism with a second engagement section formed on another rotary element; a drive gear mounted on the input element; a driven gear meshed with the drive gear; and an oil pump connected to the driven gear.

Abstract: A hybrid drive system for a motor vehicle includes an input shaft, which introduces torques from an internal combustion engine into the hybrid drive system and which is mounted rotatably around an axis of rotation. An output shaft is arranged coaxially to the input shaft. The system also includes an electric machine having a stator and a rotor, and a hub non-rotatably connected to the rotor. The system further includes a wet clutch which has a first actuating piston. The hub is formed as a one-piece forged part and has a first running surface for the first actuating piston. The wet clutch is provided to non-rotatably connect the hub to the output shaft.

Abstract: A hybrid drive train for a motor vehicle having an internal combustion engine, an electric machine, a first clutch, which is provided for coupling a crankshaft of the internal combustion engine to the rotor, and a second further clutch, which is designed as a wet clutch and which has a clutch cover. A screw connection is provided for non-rotatably connecting the rotor to the clutch cover, which screw connection includes a screw, which is substantially arranged in an axial direction and which at least partially penetrates a connecting piece non-rotatably fastened to the clutch cover.

Abstract: The present invention is a hydraulic pressure control device for an automatic transmission that performs a gear shift by switching between engagement and disengagement of a plurality of friction engagement elements and includes solenoid valves, provided corresponding to the friction engagement elements, respectively, that switches between engagement and disengagement of the friction engagement elements by switching between supply and non-supply of hydraulic pressures to the friction engagement elements, and a control device that switches between supply and non-supply of the hydraulic pressures to the friction engagement elements by supplying a predetermined control current to the solenoid valves, in which the control device supplies a fixation preventing current lower than the control current to at least one of the solenoid valves corresponding to the friction engagement elements in a disengagement state of the plurality of friction engagement elements.

Abstract: A clutch structure that includes a motor to directly drive a rotary disc of an actuation unit, and the actuation unit further directly act on a push unit, so as to achieve reduction of size. Further, the push unit has a spring holder that drives a push bracket to press against a clutching unit, and the push bracket and the clutching unit are rotatably in synchronization with each other and a group of balls is arranged between the push bracket and the spring holder, such that smooth rotation can be maintained even during the process of pressing to thereby effectively reduce pause and setback incurring in coupling and connection and also to efficiently establish a transmission clutching force to have the operability not affected by the delay.

Abstract: The automatic transmission has, on an axis of a power transmission shaft: a one-side clutch including a plurality of friction plates; and an other-side clutch including a plurality of friction plate. A pressing section of a piston of the one-side clutch and a pressing section of a piston of the other-side clutch are arranged to overlap each other in an axial direction. On one side in the axial direction of the plurality of friction plates of the one-side clutch, a radial section of the piston of the one-side clutch and a radial section of the piston of the other-side clutch are arranged in parallel in the axial direction. Pressure-receiving sections of the pistons of the one-side clutch and the other-side clutch and bearing sections of the pistons of the one-side clutch and the other-side clutch are aggregated and arranged on a radially inner side.

Abstract: The invention relates to a gearbox (40) having a park lock (42) which is integrated in a gearbox housing (60) of the gearbox (40). Said park lock comprises a transfer device (48), a detent (50), and a park lock gear (52). Outside the gearbox housing (60) there is an electromechanical actuator (44), which is centred on an interface to the transfer device (48) on the gearbox housing (48) and is sealed off from the gearbox housing (60) there.