Patent ID: 8511452
Filing Date: 2013-08-20
Classification: F16D

Abstract:
1. A clutch system for closing and interrupting a force flow, comprising: a clutch actuator to which pressure medium is applyable; a first electrically actuatable valve device; a second electrically actuatable valve device, wherein pressure medium is supplyable via the first valve device to a switching chamber of the clutch actuator in order to build-up pressure and wherein supplied pressure medium is dischargeable again via the second valve device to release pressure, the clutch system interrupting or closing the force flow at a pressure P≧Pd in the switching chamber; and a switching chamber pressure increase avoidance device operatively configured such that, in an event of a defect of the first valve device and the second valve device, a subsequent pressure increase in the switching chamber sufficient to actuate the clutch system is avoided, wherein the avoidance device comprises a safety valve, operatively configured to open at a pressure P≧P wherein the safety valve is further operatively configured to close at a further pressure P≧P