Actuation unit for clutches, has longitudinally extended housing with cylindrical opening for fixed piston, and guide sleeve is inserted in cylindrical opening

摘要

The actuation unit (100) has a longitudinally extended housing (102) with a cylindrical opening (106) for a fixed piston (112). A guide sleeve (108) is inserted in the cylindrical opening and uses the guiding of the fixed piston along the longitudinal axis (110) of the housing and is movably supports along the axes. The guide sleeve is manufactured from non-magnetizable material, plastic and non-ferrous metal, particularly an aluminium.