Abstract: A separating clutch for a drive train of a motor vehicle includes a torque forwarding component, an outer multiple disc carrier fixed to the torque forwarding component for conjoint rotation, a first plurality of friction discs, a second plurality of friction discs arranged to transmit torque through a non-positive connection with the first plurality of friction discs, a pressing element having a first side facing the friction discs and a second side, opposite the first side, facing away from the friction discs, and a restoring spring. The pressing element is for axially displacing a one of the first or second plurality of friction discs to realize the non-positive connection, and the restoring spring contacts the pressing element for canceling the non-positive connection. The restoring spring engages through and behind the first side from the second side in a positively locking connection with the pressing element.

Abstract: An improved twin clutch, two-speed disconnect secondary drive unit, which may be configured as a rear drive unit (RDU) for an all wheel drive vehicle is provided. The RDU is driven through an input shaft, which is connected to a vehicle drive source such as a motor, and includes a twin clutch assembly, which is connected to the drive shaft and is selectively actuated to drive left and right main shafts, which drive respective wheels of the vehicle. The RDU further includes a modular a shift assembly mountable to one or both of said main shafts to drive output shafts, wherein each shift assembly is selectively operable between the hi-range and lo-range modes to shift driving operation of the output shafts between hi-speed and lo-speed operation. The shift assembly may be controlled by improved mono-stable or bi-stable actuators.

Abstract: An improved clutch basket assembly is disclosed. The improved clutch basket assembly provides improved wear resistance at the interfaces between friction discs and a clutch basket housing while allowing an operator to have improved clutch lever control and modulation when manually engaging or disengaging the clutch system. The improved clutch basket assembly includes a generally cylindrical clutch basket having a sidewall, a closed first end and an open second end. A plurality of removable pins is attached to the sidewall. A plurality of frictions disks is mounted in said clutch basket. The friction disks each have a plurality of positioning tabs extending out from a periphery of each of the friction disks. The positioning tabs are configured for engagement with at least one adjacent removable pin removably attached to the sidewall.

Abstract: Dual clutch transmission system, vehicle and method of cooling. A dual clutch transmission system, including coaxial first and second engageable and disengageable torque transmitting assemblies, configured to be installed in a power train of a vehicle, the system including a main flow path for supply of cooling fluid, wherein the main flow path branches into a first flow path for supply of cooling fluid to the first torque transmitting assembly, and a second flow path for supply of cooling fluid to the second torque transmitting assembly, wherein the system includes a third flow path for supplying cooling fluid, which is discharged from the second torque transmitting assembly, to the first torque transmitting assembly, the third flow path preferably being arranged within a space defined by a housing of the dual clutch transmission system.

Abstract: An electric vehicle transmission includes a housing, a first gear, a second gear, and a first clutch pack supported in the housing. A first actuator is arranged in the housing. The first actuator is coupled with a first actuator member. A second actuator is arranged in the housing. The second actuator is coupled with a second actuator member. A modular actuation system is mounted to the housing. The modular actuation system includes a first energizer member and a second energizer member. The first energizer member is operatively connected to the first actuator and is operable to engage the first gear and the second energizer member is operatively connected to the second actuator and is operable to engage the second gear.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios and at least nine reverse speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, a fourth planetary gearset, and a fifth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have five planetary gearsets and eight selective couplers. The eight selective couplers may include three clutches and five brakes.

Abstract: An earth working machine (10), encompassing a drive motor (42) and a working apparatus (22) drivable by the drive motor (42) so as to move rotationally, the drive motor (42) being connected to the working apparatus (22), for transfer of a torque, with interposition of a shiftable transmission (50; 150) comprising at least two gearing stages having different torque transfer ratios, is characterized in that by means of a first gearing stage of the shiftable transmission (50), an input shaft (48), coupled on the input side to the drive motor (42), of the shiftable transmission (50) is connectable in torque-transferring fashion directly to an output shaft (52), coupled on the output side to the working apparatus (22), of the shiftable transmission (50) so as to rotate together at the same rotation speed; and by means of a second gearing stage of the shiftable transmission (50), the input shaft (48) is connectable in torque-transferring fashion, with interposition of a transmission assemblage (64), to the output s

Abstract: Provided is a clutch type driving wheel of an electric scooter. The clutch type driving wheel of the electric scooter includes a wheel body and a power shaft penetrating through the center of the wheel body, wherein a motor power input structure is arranged at one end of the power shaft, a central supporting shaft penetrates through the power shaft, a controlled clutch structure enabling the wheel body to be circumferentially positioned relative to the power shaft or enabling the wheel body to circumferentially rotate relative to the power shaft when the controlled clutch structure acts is arranged between the power shaft and the wheel body, and a clutch state locking structure is arranged on the controlled clutch structure. According to the clutch type driving wheel of the electric scooter, the clutch state locking structure is arranged between the power shaft and the wheel body.

Abstract: A cooling oil guiding device for rotating component parts. An annular oil channel extends in radial direction and cooling oil can be supplied from radially inward. The oil channel is partially open radially outwardly. A sealing area is provided in a radially outer area of the oil channel having blocking elements and outlet elements. The blocking elements are arranged radially inwardly of the outlet elements and have at least two passages in radial direction which are distributed along the circumference. Outlet channels aligned with the passages and inlets which are disposed between the outlet channels in circumferential direction are formed by the outlet elements. An annular channel is provided between the blocking elements and the outlet elements to connect the inlets with the outlet channels and passages, respectively.

Abstract: A friction engagement device includes an elastic member between a piston and a friction plate in an axial direction. Elastic member includes: second engaged portion to be brought into engagement with engagement portion of tubular member so as to be movable in axial direction; and annular plate portion sandwiched between pressing surface of piston and friction plate from both sides in axial direction. Surface of annular plate portion facing first axial side is provided with projection and recess arranged alternately in circumferential direction. Assuming that a phase where radial groove provided in pressing surface and projection provided on annular plate portion are located at corresponding positions in circumferential direction is a particular phase, engagement portion of tubular member, first engaged portion of piston, and second engaged portion of elastic member are formed such that piston and elastic member are unable to come into engagement with tubular member at particular phase.

Abstract: An actuating assembly includes a body; a plunger axially movable with respect to the body; a linear actuator configured for being activated to axially move the plunger in a first direction into engagement with the body such that the plunger and body are rotationally fixed with respect to each other; a barrel movable with respect to the body for contacting the plunger and the body depending on an axial position of the plunger; and a spring for biasing the barrel toward the plunger. The barrel is configured such that the spring forces the barrel into circumferential engagement with the body in two different axial positions of the barrel with respect to the body when the linear actuator is inactive depending on a rotational orientation of the barrel.

Abstract: An axle assembly having a gear reduction unit that is configured to operatively connect an electric motor to a drive pinion. The gear reduction unit includes at least two gear sets. At least one clutch is engageable to provide a torque path between the electric motor and the drive pinion.

Abstract: A park lock for an output drive gear includes a pawl, a rotational cam, and a rotational spring. The pawl has an engagement protrusion that extends outward from a body disposed on a pawl rotational shaft, such that rotation moves the engagement protrusion toward the output drive gear. The rotational cam rotates such that a circumferential side engages with a portion of the pawl opposite the engagement protrusion, causing rotation of the pawl about the rotational pawl shaft to move the engagement protrusion towards the output drive gear. The rotational spring maintains tension on the pawl and cam such that the engagement protrusion maintains an engagement with the output drive gear based on rotation of the cam and a speed of the output drive gear.

Abstract: A first inner support member that supports a first friction member of a first engagement device from an inner side in a radial direction includes a tubular support portion having a tubular shape extending along an axial direction and supporting the first friction member, and a radially extending support portion provided to extend to the inner side in the radial direction from the tubular support portion. The radially extending support portion is connected to the input member such that the input member and the first inner support member rotate integrally, and a first bearing that rotatably supports a rotor support member is disposed on a first side in the axial direction with respect to a rotor and is disposed on an outer side in the radial direction with respect to the tubular support portion.

Abstract: In a power transmission apparatus, an auxiliary clutch plate different in diameter from driving and driven clutch plates located in a clutch housing. When the driving and driven clutch plates are pressed against each other, the auxiliary clutch plate is pressed to enable transmission of a driving force of an engine to a driving wheel. When a pressing force exerted on the driving and driven clutch plates is released, a pressing force exerted on the auxiliary clutch plate is released to cut off transmission of the driving force of the engine to the driving wheel.

Abstract: A hydraulic actuating device for a coupling device having an actuating piston, a piston chamber assigned to the actuating piston and a supply chamber which is arranged further inwards in the radial direction than the piston chamber and via which a hydraulic fluid can be supplied to the piston chamber, wherein the supply chamber is delimited in a first axial direction by a first housing part and in a second axial direction opposite to the first axial direction by a second housing part, and the first housing part is fastened to a hub. The first housing part is fastened to the hub by clamping the second housing part in the axial direction between the first housing part and the hub. Furthermore, the present invention relates to a coupling device having such an actuating device as well as a method for manufacturing such an actuating device.

Abstract: Disclosed is a configurable seamless shift gearbox (100, 506). Configurable seamless shift gearbox comprises input shaft (102, 508) and output shaft (104, 510); gear arrangement (106) engaged between input and output shafts, configured to drive torque from input to output shaft. Gear arrangement comprises first gear member (202), second gear member (108), third gear member (118), and fourth gear member (110A, 110B) that rotationally arranges third gear member thereon; first clutch (112) configured to variably engage and disengage with fourth gear member to transfer input torque from input shaft to gear arrangement; and second clutch (114) configured to variably engage and disengage with second gear member to transfer input torque from gear arrangement to output shaft, wherein first and second clutch selectively engage and disengage with fourth and second gear member, respectively, at same time to enable variable gear ratios for providing a seamless torque from input to output shaft.

Abstract: A rotational translation unit includes a rotation portion that rotates relative to a housing upon receiving an input of torque output from a speed reducer, and a translation portion that moves relative to the housing in an axial direction according to rotation of the rotation portion relative to the housing. A clutch is provided between a first transmission portion and a second transmission portion that are rotatable relative to the housing, and the clutch allows transmission of the torque between the first transmission portion and the second transmission portion in an engaged state of the clutch, and interrupts the transmission of the torque between the first transmission portion and the second transmission portion in a disengaged state of the clutch. A return spring is capable of urging the rotational translation unit in a direction away from the clutch relative to the housing.

Abstract: A prime mover includes a stator fixed to a housing, and a rotor rotatable relative to the stator. The prime mover outputs torque from the rotor by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. The speed reducer includes a sun gear to which the torque from the rotor is input, and a planetary gear that revolves in a circumferential direction of the sun gear while rotating in a state of meshing with the sun gear. The rotor and the sun gear are formed separately, and are disposed coaxially so as to be integrally rotatable.

Abstract: Systems and methods for an electric drive unit are provided. A transmission system in an electric drive unit includes first, second, and third input shafts rotationally coupled to first, second, and third electric machines, respectively, wherein the first and third electric machines are arranged on a first side of the transmission and the second electric machine is arranged on a second opposing side of the transmission. The transmission system further includes an idler shaft that connects the first, second, and third electric machines and couples to a sun gear of a planetary gear set. The planetary gear set is arranged between a first and second clutch wherein the first clutch couples to a carrier and the second clutch couples to a ring gear. An output shaft is spaced away from the planetary gear set via gear and includes two flanges to couple the transmission to outputs.