Abstract: A drive system for a vehicle comprises an internal combustion engine and a torsional vibration damping arrangement. The internal combustion engine is switchable between operating modes of different performance capability, and the torsional vibration damping arrangement comprises a flywheel mass arrangement and at least one deflection mass pendulum unit with a deflection mass carrier and a deflection mass arrangement supported at the deflection mass carrier such that it can deflect out of a basic relative position with respect to the latter by means of a deflection mass coupling arrangement.

Abstract: A torsional vibration damper with a primary side and a secondary side, wherein rotation of the primary side relative to the secondary side causes displacement of hydraulic fluid from at least one displacement chamber and compression of pneumatic fluid in at least one compensating chamber. A first displacement chamber assembly includes a pair of axially opposed end walls bounding each displacement chamber in both axial directions and a circumferential wall bounding it in one radial direction, and a second displacement chamber assembly bounds it in the other radial direction. A sealing arrangement is provided between the end walls and the second displacement chamber assembly to produce an essentially fluid-tight closure of the at least one displacement chamber.

Abstract: A friction clutch is configured with a pressure plate arrangement having: a housing rotatably fixed to an abutment arrangement for joint rotation about an axis of rotation; a plate arrangement having at least one intermediate plate and a pressure plate, at least one of the intermediate and pressure plates being mounted in the housing and operative to axially move relative thereto and to rotate about the axis of rotation; an energy storage device coupled to the housing and operative to generate a elastic restoring force exerted on the plate arrangement, the energy storage device being coupled to the pressure plate; a releasing spring arrangement located between the housing and plate arrangement and coupled thereto, the releasing spring arrangement being tensioned to generate an elastic restoring force exerted at least on the pressure plate in a second direction opposite to the first direction in response to the elastic restoring force; and a clutch disk arrangement clamped between the abutment arrangement and

Abstract: A rotary leadthrough for an assembly is disclosed. The rotary leadthrough includes a stator having a first fluid channel; a rotor connectable to the assembly for rotation in common around an axis of rotation and having a second fluid channel cooperating with the first fluid channel; first sealing elements on either side of the first fluid channel and the second fluid channel, the first sealing elements bearing sealingly against the rotor and the stator; second sealing elements on either side of the first fluid channel and the second fluid channel, the second sealing elements bearing sealingly against the rotor and the stator; and first leakage channels. Each first leakage channel leads away from a respective space defined by the first sealing element and the second sealing element on the same side of the first fluid channel and the second fluid channel, the rotor and the stator.

Abstract: A clutch disk arrangement for a multi-disk clutch has a hub rotatable about an axis of rotation and a plurality of friction lining assemblies connected to the hub by a torsional vibration damper arrangement. The torsional vibration damper arrangement includes a central disk element on the hub and a cover disk element on each side of the central element, where the cover disk elements are permanently connected to each other and are also connected by a damper element arrangement to the central disk element for transmitting torque. A driver formation is provided on at least one of the cover disk elements and an opposing driver formation is arranged on at least one of the friction lining assemblies. The driver formation engages the opposing driver formation so that the at least one of the friction lining assemblies is fixed with respect to rotation relative to the cover disks and is axially displaceable in a direction parallel to the axis of rotation.

Abstract: A friction clutch is configured with a pressure plate arrangement having: a housing rotatably fixed to an abutment arrangement for joint rotation about an axis of rotation; a plate arrangement having at least one intermediate plate and a pressure plate, at least one of the intermediate and pressure plates being mounted in the housing and operative to axially move relative thereto and to rotate about the axis of rotation; an energy storage device coupled to the housing and operative to generate a elastic restoring force exerted on the plate arrangement, the energy storage device being coupled to the pressure plate; a releasing spring arrangement located between the housing and plate arrangement and coupled thereto, the releasing spring arrangement being tensioned to generate an elastic restoring force exerted at least on the pressure plate in a second direction opposite to the first direction in response to the elastic restoring force; and a clutch disk arrangement clamped between the abutment arrangement and

Abstract: A dual clutch comprises two clutch areas, each with a pressure plate which can be moved by a force-exerting arrangement toward an abutment arrangement, where the abutment arrangement is to be connected by a connecting plate arrangement to a drive element, also comprising a starter gear ring connected to the abutment arrangement for rotation in common, where the starter gear ring has a first connecting area for connection to the abutment arrangement and a second connecting area for connection to the connecting plate arrangement.

Abstract: A pressure plate assembly for a friction clutch comprises a housing arrangement, a pressure plate connected to the housing arrangement for rotation about an axis (A), a force-exerting arrangement, which is or may be supported relative to the pressure plate and the housing arrangement, and a wear take-up arrangement in the support path between the force-exerting arrangement and the housing arrangement. The wear take-up arrangement includes at least one adjusting element which may be displaced to compensate for wear, by means of which the force-exerting arrangement is or may be supported relative to the housing arrangement, a wear detection arrangement, mounted on the housing arrangement, which co-operates with the force-exerting arrangement in a wear detection area and which may shift, in the case of wear, relative to the housing arrangement, by means of the force-exerting arrangement.

Abstract: A multiple clutch system, particularly a double clutch system, includes a housing arrangement connectable to a drive element and rotatable therewith about an axis of rotation. The clutch system include a first coupling area and a second coupling area. The first coupling area includes a first pressure plate for pressing a friction area of a first clutch disc against an abutment area, the first pressure plate being rotatable with the housing arrangement, and first actuator device for activating the first coupling area to execute controlling operations. The second coupling area includes a second pressing plate for pressing a friction area of a second clutch disc against an abutment area, the second pressure plate being rotatable with the housing arrangement, and a second actuator device for activating the second coupling area to execute controlling operations.

Abstract: A pressure plate assembly for a friction clutch includes a housing connectable with an abutment arrangement for rotation therewith about an axis of rotation. The housing has an outer axial side and an inner axial side. A pressure plate is mounted in the housing so that it faces the inner axial side. The pressure plate is rotatable with the housing about the axis of rotation. The pressure plate includes actuating sections which extend past a radially outer edge of the housing. An energy storage element is mounted on the outer side of the housing such that the energy storage device exerts a force on the actuating sections for urging the pressure plate away from the inner axial side. An assembly pretensioning arrangement is operative for holding the energy storage element in a pretensioned assembly position in which the energy storage device does not exert a force on the housing.

Abstract: A dual clutch comprises two clutch areas, each with a pressure plate which can be moved by a force-exerting arrangement toward an abutment arrangement, where the abutment arrangement is to be connected by a connecting plate arrangement to a drive element, also comprising a starter gear ring connected to the abutment arrangement for rotation in common, where the starter gear ring has a first connecting area for connection to the abutment arrangement and a second connecting area for connection to the connecting plate arrangement

Abstract: A dual clutch includes a first clutch area with a housing arrangement connected to an abutment plate; a first pressure plate arrangement; and a force-exerting arrangement, which is supported against the housing arrangement and the pressure plate arrangement, and which can press the pressure plate arrangement toward the abutment plate. A second clutch area includes second pressure plate arrangement and a force-transmitting arrangement, which extends axially across the abutment plate and can exert force on the second pressure plate arrangement. The housing arrangement and the abutment plate are connected to each other by the production of a press fit, and a first force-transmitting element and a second force-transmitting element of the force-transmitting arrangement are also connected to each other by the production of a press fit.

Abstract: A friction clutch includes a housing having an axis of rotation; a pressure plate connected to the housing for rotation in common; a force exerting arrangement supported against the housing and the pressure plate; an actuator mechanism which acts on the force exerting arrangement to load the pressure plate axially with respect to the housing; and a bearing arrangement for supporting the actuator mechanism axially with respect to the housing so that it is prevented from moving in either axial direction.

Abstract: A double clutch assembly includes a first clutch area with a first pressure plate, which can be moved by a first force-exerting assembly toward an abutment assembly; a second clutch area with a second pressure plate, which can be moved by a second force-exerting assembly toward an abutment assembly; and a connecting assembly for connecting the abutment assembly to a drive element. The connecting assembly includes a connecting plate assembly with a first, radially outer connecting section, which extends over an outer circumferential surface of the abutment assembly and is attached thereto by a plurality of connecting elements.

Abstract: A clutch disk arrangement for a multiple-disk clutch includes at least two friction lining units, a hub element which is connectable to or is connected to the shaft so as to be fixed with respect to rotation and a support arrangement to which the friction lining units are connected substantially so as to be fixed with respect to rotation and by which the friction lining units are connected to or connectable to the hub element. The support arrangement includes a first support member which is connected to or connectable to the hub element and to which one of the friction lining units is fixedly connected, and at least one other support member to which at least one other respective friction lining unit is fixedly connected. The other support members are directly or indirectly connected to the first support member so as to be fixed with respect to rotation relative to it, but axially displaceable relative to the first support member.

Abstract: A friction clutch assembly has a clutch housing, at least one first friction plate, which is connected in a rotationally fixed manner to the clutch housing and can be displaced in the axial direction therein, and a second friction plate, which bears the clutch housing. At least one driver disk is arranged axially adjacent to the first and second friction plates and has friction linings on both sides, which interact with the friction plates, and a spring which can apply a compressive force for actuation of the clutch to the at least one first friction plate. At least one of the friction plates is made at least in part from a metal matrix and at least one nonmetallic foreign phase included in the matrix, which together form a metal matrix composite material. In a further aspect of the invention, the clutch housing is likewise formed from a metal matrix composite material.

Abstract: A dual clutch arrangement including two clutch areas, each with a pressure plate connected to a housing arrangement for rotation in common around an axis of rotation (A) and which can be shifted in the axial direction with respect to the housing; and a clutch disk, the friction surface areas of which can be clamped between the respective pressure plate and an opposing support arrangement. Each of the clutch disks is designed to be connected nonrotatably to a different power takeoff element. In addition a clutch cooling arrangement, through which a coolant can flow, is installed adjacent to the clutch areas.

Abstract: Multi-clutch arrangement, comprising at least two clutch areas, each with a pressure plate, which can be connected to a housing for rotation in common around an axis of rotation (A) and which can be shifted in the axial direction relative to this housing; with an opposing support; and with a clutch disk, the friction surface arrangement of which can be clamped between the pressure plate and the opposing support. Each of the clutch disks is designed to be connected nonrotatably to a different power takeoff element. A wear-compensating device is assigned to at least one of the clutch areas. In at least one of the clutch areas, the pressure plate is connected to the housing for rotation in common by way of a connecting element arrangement, which, when the clutch area is in the torque-transmitting state, exerts a force on the pressure plate arrangement acting in the direction toward the opposing support.

Abstract: A mounting/centering support arrangement for a pressure plate assembly of a multi-clutch arrangement is provided. The pressure plate assembly comprises at least two clutch areas, each with a pressure plate arrangement connected to a housing arrangement for rotation in common around an axis of rotation; with an opposing support arrangement; and with a clutch disk arrangement, the friction surface arrangement of which can be clamped between the pressure plate arrangement and the opposing support arrangement. Each of the clutch disk arrangements is designed to be connected nonrotatably to a different power takeoff element. The mounting/centering support arrangement can arrest at least one of the clutch disk arrangements in a predefinable position with respect to the housing arrangement and/or arrest at least one of the clutch disk arrangements in a predefinable position with respect to at least one other clutch disk arrangement.

Abstract: An actuating device for a friction clutch device installed in the drive train of a motor vehicle introduces actuating forces, especially clutch-engaging or clutch-releasing forces, to the friction clutch device to actuate at least one friction clutch of the friction clutch device in the engaging or releasing direction. At least one actuating element assigned to a friction clutch can be shifted axially relative to at least one support element, which is essentially fixed in the axial direction, to exert the actuating forces. The actuating element belongs to an actuator assigned to the clutch or can be shifted axially relative to the support element by the intermediate action of an actuator assigned to the clutch.