Patent ID: 6659252
Filing Date: 2003-12-09
Classification: F16D

Abstract:
Fluid-operated apparatus for actuating a friction clutch between a prime mover and a rotary component in a case of a change-speed transmission in the power train of a motor vehicle, comprising:a slave cylinder including a housing coaxial with the rotary component and borne by the case of the transmission, and a reciprocable annular piston disposed in said housing and surrounded by a wall of the housing; a guide sleeve surrounding the rotary component, surrounded by said piston and defining with the piston and with said wall a fluid-receiving annular plenum chamber, said sleeve including a radially outwardly extending flange between an end portion of said wall and an end face of the transmission case; and means for coupling said flange to said wall, including a plurality of projections borne by said flange and spaced apart from each other in a circumferential direction of said wall, said projections having first portions surrounding said end portion of said wall and second portions recessed into said wall.