Abstract: A release system for a clutch assembly comprises a release slide, which is or can be connected to a stored-energy element of the clutch assembly to execute release movements, and at least one brake element, which can move along with the release slide during the execution of release movements. This brake element can be brought into braking interaction with an opposing brake element which is or can be connected in an essentially nonrotatable manner to a clutch output shaft, where the release slide and the minimum of one brake element form a piston/cylinder unit with at least one fluid chamber. Pressure fluid is introduced into the minimum of one fluid chamber to produce a force which preloads or moves the minimum of one brake element relative to the release slide.

Abstract: In a power converter module, a first input area intended to be connected to a first predetermined electric potential (+V) or a second input area intended to be connected to a second predetermined electric potential (−V) can be connected to an output area. At least one group of switches is provided, each group of switches has two semiconductor switch units, and each of the semiconductor switch units has a gate terminal. An input terminal of one of the semiconductor switch units is connected to the first input area, and an input terminal of the other semiconductor switch unit is connected to the second input area. Each of the semiconductor switch units has an output terminal, which is connected to the output area. The two semiconductor switch units of the minimum of one group of switches are positioned facing each other in such a way that at least the output terminals are opposite each other.

Abstract: A drive system for a motor vehicle includes a drive shaft with a flywheel mass arrangement provided thereon, an electric machine for driving the drive shaft and/or obtaining electric energy from the rotating drive shaft. The electric machine has a stator arrangement and a rotor arrangement which can be rotated by the drive shaft. The rotor arrangement is connected via the flywheel mass arrangement to the drive shaft. Furthermore, the rotor arrangement is connected to the flywheel mass arrangement via a connecting region having a higher resistance to thermal conduction than at least one of the regions that adjoins the connecting region.

Abstract: The invention relates to spring strut with a flexible pad between a coil spring and a spring-plate which is firmly connected to a cylindrical container of an oscillation damper. The flexible pad, which is used, in particular, for noise damping, is formed by a component of disk-shaped design which is flat on both sides, is composed of rubber, PU or some other plastic, and is connected in a captive and positionally correct manner to the spring-plate. For this purpose, at least one inward-pointing projection and/or at least one aperture is arranged on the flexible pad, interacting with a corresponding aperture and/or projection of the spring-plate. The flexible pad is adapted to the surface of the spring receptacle of the spring-plate by the prestressed coil spring.

Abstract: A vibration damping device for a drive system of a motor vehicle includes a base body arranged for rotating about an axis of rotation and a deflection mass arrangement arranged in said base body and having at least one deflection mass and a deflection path associated with the at least one deflection mass and along which the deflection mass is movable during rotation of the base body about the axis of rotation. The deflection path has a vertex area at a position furthest from the axis of rotation and deflection areas on both sides of the vertex area extending from the vertex area to ends areas. The deflection areas have a decreasing distance from the axis of rotation (A) proceeding from the vertex area toward their end areas. A braking arrangement acts in the end areas of the deflection areas for gradually slowing the approach of the at least one deflection mass to a respective end area of the deflection path.

Abstract: In a master/slave cylinder system for clutches or brakes, primary seals have bevels which interact with similar bevels of formations on housings of the respective cylinders. Along with the lowest possible friction in the region of the sealing lips, this permits carrying out uncomplicated pressure/negative-pressure filling in the case of the master cylinder. The primary seals slide by the wedge of effects in the direction of the pressure on the bevels of the annular formations and reduce the annular bearing face of the sealing lip in a frictionally optimized manner.

Abstract: A clutch disk includes a hub area and a plurality of friction lining elements, which are supported on the hub area and arranged in sequence in the circumferential direction relative to a clutch disk rotational axis (A). These elements provide at least part of an associated friction surface area, where the friction lining elements are intended to make frictional contact with an associated opposing friction surface of a flywheel, a pressure plate, or the like. At least one friction lining element is supported so that the pressure exerted by its friction surface area against an opposing friction surface can change in response to a change in the sliding frictional interaction between its friction surface area and an opposing friction surface area which is or can be associated with it.

Abstract: A power electronics device for controlling an electric machine, for example a permanently excited synchronous machine includes a plurality of capacitors and power semiconductors connected to a bus bar. To measure currents through the bus bar, the bus bar includes at least one portion with a shaped section. This at least one portion comprises an essentially U-shaped configuration. A sensor of a current-measuring device is provided in the vicinity of the at least one portion to measure the current flowing therethrough. The sensor is designed to measure an electric and/or magnetic field in the bus bar and is in turn connected to an evaluation device. The sensor and/or the evaluation device are disposed on at least one control printed circuit board of the power electronics device, which is arranged underneath the bus bar.

Abstract: A clutch device which serves to connect the drive) of a motor vehicle with a multiple-speed shift transmission has, for this purpose, two friction clutches which can be engaged or disengaged independently from one another in that they are connected via their respective driven sides with a transmission input shaft. At least one of the friction clutches is in a working connection at its drive side with a driving member of a hydrodynamic clutch which can be activated at least under predetermined operating conditions of the drivetrain for transmitting torque introduced by the drive. At the same time, a driven member of the hydrodynamic clutch can be connected with one of the transmission input shafts.

Abstract: In a method for producing a winding for electrical machines, a plurality of conductor elements are fitted on a winding former or stator tooth. The conductor elements are aligned parallel to one another in a predetermined order and are placed alongside one another in a slot while being fitted onto the winding former, with the predetermined order being reversed at least once while being fitted, so that the elements change their position on the winding former, at least in places. The winding process is carried out by machine, with the winding former being rotated under a number of wire guide nozzles, the wire guide nozzles being rotated through 180° as a group after a defined number of turns.

Abstract: An electrical machine with a stator component and a rotor component, wherein the stator component carries the winding of the electrical machine, which has a number of coils. An electronic power unit is provided to control the electrical machine. To obtain an electrical machine, which has a long service life but does not occupy much space, the stator component has two or more separate windings to form two or more electrical sub-machines. The electrical machine can be used to advantage as a starter-generator in commercial vehicles and busses. An improved electrical system is also described.

Abstract: Mount for a shock absorber includes a cap in working torque-transmitting connection with the entire mount. The twisting surface, which is in working connection with an opposing surface on the vehicle at least during the installation of the shock absorber in a mounting hole in the vehicle. The twisting surface and the opposing surface ensure the rotational alignment of the connecting means on the mount side with the connecting means on the vehicle side.

Abstract: A torsion damping mechanism with a torsion damper with an input side and an output side, where the input side and the output side are connected elastically to each other by spring-type stored energy elements for rotation in common auxiliary mass which can rotate coaxially to the torsion damping mechanism is connected frictionally to the torsion damping mechanism by way of a friction area, where the frictional connection between the torsion damping mechanism and the auxiliary mass has a predetermined frictional moment. When this moment is exceeded during the occurrence of peaks in the torque being applied to the torsion damping mechanism, the auxiliary mass can slip or slips.

Abstract: Guide for the piston rod of a piston-cylinder assembly, especially for a vibration damper, a shock-absorbing strut, or a level-control element, where the guide body holds the cylinder tube and the outside tube and simultaneously centers the piston rod in a central bore. The guide body has two axially spaced sealing elements which rest on the outside surface of the piston rod and seal off the interior space of the piston-cylinder assembly from the atmosphere. A flow connection, starting from the area of the intermediate space between the seals, extends to the interior space and is provided with a nonreturn valve, through which a flow can proceed only in the direction of the interior space.

Abstract: A vibration damping device for a motor vehicle drive system includes a base body rotatable about an axis of rotation and a deflection mass arrangement having at least one deflection mass and a deflection path associated with the at least one deflection mass. The at least one deflection mass is movable along the deflection path when the base body rotates about the axis of rotation. The deflection path defines a radial outer area of a movement space in the base body in which the at least one deflection mass is movable. The base body includes a carrier element in which the movement space is arranged and a first closure element connected with and constructed separately from the carrier element and arranged at a first axial side of the carrier element for closing the movement space in a first axial direction.

Abstract: A torsion damping mechanism with a torsion damper with an input side and an output side, which are connected elastically to each other by spring-type stored-energy elements, and with an auxiliary mass which can rotate coaxially to the torsion damper. A combination bearing has a first bearing section for supporting the input side and the output side against each other, and a second bearing section for supporting the auxiliary mass.

Abstract: Load cycle oscillations in the drive train of a motor vehicle are reduced by detecting a change in available torque in the drive train, determining the period of a load cycle oscillation, and, at the commencement of the available torque change, applying at least one additional torque pulse, which causes an oscillation in phase opposition to the load cycle oscillation and which lasts half the period of the load cycle oscillation.

Abstract: A hydrodynamic device comprises at least one and preferably two vane wheels in a housing cover which are rotatable with respect to one another about an axis of rotation (A) and a work fluid arranged in the housing cover which can be driven to movement by the at least one vane wheel. The work fluid is electrically conductive and a magnetic device is provided for generating a magnetic field in the area of the work fluid circulation. Further, a electric device is provided for generating an electric current flow through the work fluid.

Abstract: A vibration damping device for a drive system of a motor vehicle, includes a deflection mass arrangement arranged in a base body which is rotatable about an axis of rotation (A). The deflection mass arrangement includes at least one deflection mass and a deflection path associated with the at least one deflection mass and along which the deflection mass moves during rotation of the base body about the axis of rotation (A). The deflection path has a vertex area and deflection areas on both sides of the vertex area. The deflection areas have a decreasing distance from the axis of rotation (A) as they proceed from the vertex area toward their circumferential end areas. A positive rolling arrangement is arranged between the at least one deflection mass and the deflection path which generates a rolling movement of the at least one deflection mass during the movement of the at least one deflection mass along the associated deflection path and thereby prevents a sliding movement of the deflection mass.

Abstract: A pressure plate assembly for a friction clutch includes a housing, a pressure plate held in the housing arrangement with freedom to move axially, and a stored-energy element transmitting force along a path between the housing and the pressure plate. A wear-compensating device acting in the path of force transmission has at least one adjusting element able to move in an adjusting direction to compensate for wear. At least one spring element pretensions the minimum of one adjusting element for movement in the adjusting direction, where at least certain areas of the minimum of one spring element extend in the circumferential direction relative to the rotational axis (A). A support arrangement supports the area of the spring element extending essentially in the circumferential direction radially from the outside and/or radially from the inside relative to the rotational axis (A).