Abstract: A pressure plate assembly for a friction clutch includes a housing; a pressure plate held in the housing with freedom to move in the same direction as that in which a rotational axis (A) extends; a stored-energy element; and a wear-compensating device acting in the path of force transmission between the stored-energy element and the pressure plate and/or between the stored-energy element and the housing arrangement, where the wear-compensating device has at least one adjusting element able to move in an adjusting direction to compensate for wear. A clearance-producing arrangement includes at least one gripping element, where the minimum of one gripping element has a body section, one end of which is attached to the assembly consisting of the pressure plate and the housing, between which assembly and the stored-energy element the wear-compensating device acts.

Abstract: Piston ring including a covering surface which covers a circumferential surface of a piston, and supporting segments having retaining surfaces which engage the upper and lower sides of the piston. The piston ring has a butt joint which enables the piston ring to be elastically deformable radially, the butt joint being designed at one end of the covering surface with at least one tongue which engages in a cutout in the other end of the covering surface. The tongue is designed with at least one retaining segment which runs in the circumferential direction and engages in a supporting manner in each case on the upper and lower side of the piston.

Abstract: A vibration damping system for a drive system of a motor vehicle includes an electric machine controllable by a control device for exerting a counter-torque on a rotating constructional group. A deflection mass arrangement is arranged at the rotating constructional group having at least one deflection mass and a deflection path associated with the at least one deflection mass and along which the deflection mass can move. The deflection path associated with the at least one deflection mass has a vertex area and deflection areas proceeding from the vertex area. The vertex area is an area with the greatest radial distance of the deflection path from an axis of rotation of the rotating constructional group.

Abstract: A thrust plate subassembly comprises a play indicator arrangement that includes: a blocking/detection element which is mounted on the one component and which is prestressed with a blocking portion against the wear-adjusting device and acts upon the wear-adjusting device to prevent a movement of the at least one wear-adjusting element in the wear-adjusting direction. A detection portion of the detection element is in or is capable of being brought into interaction with another component or subassembly displaceable relative to the one component on the occurrence of wear, for the purpose of detecting the wear. On the occurrence of wear the blocking/detection element being capable of being brought, as a result of the interaction with the other component, into a position for releasing the at least one adjusting element for the purpose of movement in the adjusting direction.

Abstract: A pressure plate assembly for a friction clutch includes a housing for mounting to a flywheel; a pressure plate, held in the housing with the freedom to move in the same direction as that of a rotational axis (A); a stored-energy element; and a wear-compensating device acting in the path of force transmission between the stored-energy element and the pressure plate, where the wear-compensating device has at least one adjusting element, which can move in an adjusting direction to compensate for wear. A clearance-producing arrangement includes a gripping element provided on the pressure plate, which element comes or can be brought to rest against a blocking element (fixed in position relative to the housing arrangement upon the occurrence of wear. When the housing arrangement is being attached to the flywheel arrangement, the blocking element arrives in state in which it is able to enter into a blocking interaction with the associated gripping element.

Abstract: A ball screw includes a spindle element which has a first groove arrangement on an outer circumferential surface, a nut element which surrounds the spindle element and has a second groove arrangement on an inner circumferential surface, and a plurality of balls, at least some of which engage into the first groove arrangement and the second groove arrangement. The nut element is rotatable about an axis of rotation with respect to the spindle element, and, during the rotation of the nut element about the axis of rotation with respect to the spindle element, the balls which engage into the first groove arrangement and the second groove arrangement roll in the first and the second groove arrangement, while at the same time rotate about respective ball axes of rotation.

Abstract: On a housing for a pressure plate assembly of a friction clutch, at least one mass part is provided, especially a motion stop for a clearance-producing arrangement of the pressure plate assembly provided for detecting wear. An imbalance-compensating formation is provided on the housing, which compensates essentially completely for at least the one imbalance introduced by the at least one motion stop.

Abstract: A pressure plate assembly for a friction clutch includes a housing for mounting to a centrifugal mass; a pressure plate, which is mounted in the housing with freedom to move in the same direction as that in which a rotational axis (A) extends; a stored-energy element; and a wear-compensating device, acting in the path of force transmission between the stored-energy element and the pressure plate, where the wear-compensating device has at least one adjusting element able to move in an adjusting direction to compensate for wear. A clearance-producing arrangement includes a gripping element provided on the pressure plate, which, when wear occurs, comes to rest or can be brought to rest against a blocking element, which is fixed or can be fixed in place relative to the housing arrangement.

Abstract: A torsional vibration damper with a driving-side transmission element and a driven-side transmission element which is rotatable relative to the driving-side transmission element and which is connected with the driving-side transmission element by a damping device. A gearset having at least a driving-side gearset element and a driven-side gearset element is associated with the damping device, wherein introduced torsional vibrations can be transmitted to the damping device with gear shifting by means of the gearset. The gearset is provided with a shift mechanism for separating the driving-side gearset element and the driven-side gearset element.

Abstract: A stator for an electrical machine includes a stator yoke and a plurality of stator coils arranged on the stator yoke. An interconnection arrangement is arranged on one end face of the stator yoke. The interconnection arrangement has connecting conductors which are electrically insulated from one another. The connecting conductors are arranged concentrically with respect to one another and each have a different diameter. The connecting conductors have connections for the ends of the stator coils and for connection to the electrical machine. To minimize the space requirement of the stator and simultaneously allow the stator coils to be automatically interconnected in an automated manner, the interconnection arrangement is arranged inside an area bounded by the stator coils. Furthermore, the connections for the ends of the stator coils include connection projections designed such that they project outward at an angle to the respective connecting conductor to attach the stator coil ends.

Abstract: A hybrid drive for a vehicle in which the driving power provided by an internal combustion engine (ICE) or an electric motor may be fed via a transmission with a transmission input shaft and a transmission output shaft to the drive train. The ICE and the electric motor are connectable to each other via a coupling and the electric motor is directly connected to the transmission. An electric energy storage device is connected to the ICE for receiving a charge and to the electric motor for providing power to the electric motor. The hybrid drive is designed so that the torque that can be provided by the electric motor is greater than that of the internal combustion engine. In addition, the transmission input shaft always turns in the same direction as the transmission output shaft so that reverse drive by the hybrid drive is only possible using the electric motor.

Abstract: A torque transmission element which connects a starter generator to a torque transmission unit arranged in series, wherein at least parts of the torque transmission unit are able to execute an axial operating movement relative to the starter generator, and the torque transmission element is axially elastic with respect to the series arrangement of the starter generator and the torque transmission unit. The torque transmission element is embodied as a tangential spring arm, one end of which is arranged on the starter generator and the other end of which is arranged on the torque transmission unit.

Abstract: A hydrodynamic torque converter having a torsional vibration damper arrangement which is arranged in a torque-transmission path between a lockup clutch of the torque converter and a turbine impeller of the torque converter. The torsional vibration damper arrangement has a primary side, which is coupled to the lockup clutch or forms a part thereof, and a secondary side, which is coupled to the turbine impeller and/or forms a part thereof. The primary side and the secondary side are able to rotate with respect to one another about a converter axis of rotation, counter to the action of a damper spring arrangement. The turbine impeller has a bearing area for the primary side, which allows radial movement of the primary side with respect to the turbine impeller.

Abstract: An installation apparatus for a coupling device having a drive, a driver that acts on the drive, a flywheel mass which faces the drive and a holder provided on the flywheel mass so as to face the driver. The installation apparatus includes two ring elements which are fittable so that they can rotate on a component of the coupling device which has a radially inner toothed system. The ring elements have a deformation formation by which, when the ring elements rotate about an axis of rotation, radial positioning of the component which has the toothed system located radially on the inside can be varied in a region of the toothed system located radially on the inside. The ring elements have inclines that run in opposite directions and a pair of the inclines are assigned to each tooth.

Abstract: An adjustable vibration damper, having a displacer in a cylinder, a damping medium exerting a damping force via an adjustable damping valve. The adjustable damping valve is activated by a control pressure of a pneumatic spring A safety device is provided which, in the event of a control pressure reduced as a result of damage to the pneumatic spring, provides a sufficiently high damping force of the vibration damper. At least two pneumatic springs are connected to the safety device, which is constructed from a pneumatic circuit functioning as a pressure balance between the pneumatic springs which releases the higher control pressure of a pneumatic spring in the pneumatic circuit. The adjustable vibration dampers which belong to the pneumatic springs are connected via at least one pressure outlet connection of the pneumatic circuit and are activated by the highest control pressure of the pneumatic springs involved.

Abstract: A connecting arrangement for connecting an input drive shaft such as a crank shaft to a coupling device such as a torque converter includes a transmission element having a plate-like design and including an annular body and a plurality of radially extending arms. A first engagement formation is arranged on at least some of the radially extending arms. A second engagement formation is arranged on an engagement element arranged on the coupling device. The first and second engagement formations are brought into engagement/retention arrangement maintains the torque transmitting connection by maintaining the axial positions of the transmission element and engagement element.

Abstract: An arrangement for the rotationally fixed connection of a hydrodynamic coupling device to a drive component, in particular a drive shaft, has a first torque-transmission engagement formation, which is connected in a rotationally fixed manner to the drive component, a second torque-transmission engagement formation, which is connected in a rotationally fixed manner to the hydrodynamic coupling device and is in or can be brought into torque-transmitting engagement with the first torque-transmission engagement formation as a result of these formations being moved toward one another substantially in the direction of an axis of rotation, and a preloading device which preloads the hydrodynamic coupling device with respect to the drive component substantially in the direction of the axis of rotation. The first and second torque-transmission engagement formations are brought into or held in torque-transmitting engagement with one another by the preloading force generated by the preloading device.

Abstract: A connection arrangement for producing a rotational connection of a hydrodynamic torque converter with a rotating shaft includes at least one connection element arrangable at a housing of the torque converter and having a first connection area connectable to the housing and a second connection area connectable to the rotating shaft, wherein the first connection area has a limited circumferential extension with respect to the rotational axis (A) of the converter. The first connection area may be arranged at the housing via a riveting.

Abstract: A parking lock for a vehicle having an electrical drive train including an electric machine with a rotor, a stator having a plurality of stator windings, and power electronics for controlling the electric machine, and a transmission prevents the vehicle from rolling away inadvertently. The parking lock has a mechanical component which is mechanically operatively connected to the rotor when the parking lock is operated to stop rotation of this rotor. The mechanical component has a ratchet wheel and a toothed catch. Furthermore, the parking lock has an electrical component designed such that it produces a short-circuit in the stator windings, at least temporarily, when it is intended to operate the parking lock. When the parking lock is operated, the electrical component is thus activated in a specific time interval before operation of the mechanical component. The short-circuit in the stator windings produces a severe braking torque, which brakes the rotor.

Abstract: A hydrodynamic torque converter includes a converter housing and a turbine wheel which is arranged in the converter housing and is rotatable with respect to the converter housing about a rotational axis of the converter. The torque converter further includes a lockup clutch for producing a torque transmission connection between the converter housing and the turbine wheel.