Patent ID: 8874340
Filing Date: 2014-10-28
Classification: F16D

Abstract:
1. A method of controlling an automated friction clutch, which is arranged as a starting and shifting clutch in a motor vehicle between a driveshaft ( 5 ) of a drive engine ( 4 ) and an input shaft ( 7 ) of a change-speed transmission ( 6 ), the friction clutch is passively engagable by a contact pressure spring ( 10 ) and which is disengagable and engagable by a simply acting pneumatic control cylinder ( 12 ), a control piston ( 13 ) of the control cylinder is in controlling connection with the contact pressure spring ( 10 ) and has a pressure chamber ( 14 ) that is connectable, via at least one controllable air inlet valve ( 15 ), to a compressed-air source ( 19 ), and, via at least one controllable air outlet valve ( 16 ), to a compressed-air sink ( 21 ), the method comprising the steps of: setting, via the contact pressure spring, a particular disengagement position of the friction clutch (