Slave cylinder for a coupling device, coupling device with the slave cylinder and method for operating a slave cylinder

摘要

The invention relates to a slave cylinder 1 for a clutch device 5 for integration in a motor vehicle, the slave cylinder 1 comprising a cylinder housing 11 and an annular piston 13, the cylinder housing 11 forming a pressure chamber 12, the annular piston 13 being located at least in sections in the pressure chamber 12 based on a main axis H is movably arranged in an axial direction A. To reduce friction on the annular piston 13, the slave cylinder 1 comprises at least one sealing device 19, 20 for sealing off the pressure chamber 12, which is arranged in a fixed position.