Patent ID: 6454074
Filing Date: 2002-09-24
Classification: F16D

Abstract:
Multiple-clutch device, for installation in a drivetrain of a motor vehicle between a drive unit and a transmission, comprising a first clutch arrangement associated with a first transmission input shaft of the transmission, and a second clutch arrangement associated with a second transmission input shaft of the transmission for transmitting torque between the drive unit and the transmission, at least one of the clutch arrangements having an actuating piston defining a pressure chamber for pressure medium actuation of the said one clutch arrangement, the actuating piston dividing the pressure chamber from an associated centrifugal force pressure compensation chamber holding a pressure compensation medium, a restoring spring arrangement for restoring the actuating piston from an actuating position thereof being carried in the centrifugal force pressure compensation chamber, an elastic sealing arrangement is associated with the pressure compensation chamber and a boundary wall of the pressure compensation chamber, said elastic sealing arrangement being engagable with the actuating piston in actuated position thereof and applying pretension to said actuating piston for reinforcing a release movement of said actuating piston during disengagement of the clutch arrangement.