Patent ID: 8210091
Filing Date: 2012-07-03
Classification: B60T

Abstract:
1. Brake booster comprising: a casing ( an assembly comprising a skirt ( a three-way valve ( a distributor-plunger ( a sleeve ( a securing means capable axially of connecting the said sleeve ( the said three-way valve ( 26 ) comprising a first valve seat ( 48 ) and a second valve seat ( 50 ) and a valve shutter ( 46 ) intended to be pressed against the first and/or second valve seat ( 48 , 50 ), the said second valve seat ( 50 ) being borne by a first longitudinal end of the distributor-plunger ( 32 ), the first valve seat being borne by a first longitudinal end of the said sleeve ( 54 ), characterized in that the securing means comprises a device for gradually moving the sleeve according to the movement of the piston.