Patent ID: 7322269

Claim:
A housing module ( 1 ) for a brake booster comprising: a housing shell ( 3 ) for accommodating a movable wall ( 4 ) which subdivides an interior space of the brake booster into a low-pressure chamber ( 5 ) and a working chamber ( 6 ), and for accommodating a control housing ( 11 ) in which a control valve ( 10 ) is arranged which controls a pressure difference acting on the movable wall ( 4 ) and is operable by means of an actuating rod ( 9 ), the control valve being comprised of two sealing seats ( 12 , 13 ) which are arranged concentrically to one another and of an elastically deformable valve body ( 14 ), wherein the housing shell ( 3 ) is composed of several components, using at least one metal housing part ( 15 ) and at least one plastic housing part ( 16 ) wherein the plastic housing part ( 16 ) and the metal housing part ( 15 ) are connected to each other by a bayonet-type twist lock arrangement.