Patent ID: 7637200
Filing Date: 2009-12-29
Classification: B60T

Abstract:
1. A pneumatic brake booster comprising: a booster housing, which is subdivided into at least two chambers by at least one axially movable wall to which a pneumatic differential pressure can be applied, a control valve controlling the differential pressure and being arranged in a control housing, an operable input member, which is connected to a valve piston, an output member which applies a boosting force to a master cylinder, as well as an accommodating element, which accommodates a rubber-elastic reaction element and the output member abutting thereon in a radial direction, with the accommodating element being axially and radially supported on the control housing and being held in an axial direction by a holding element, wherein the accommodating element is designed as a cylindrical sleeve, with the reaction element adjoining in an axial direction a head flange of the output member, on the one hand, and the control housing and the valve piston, on the other hand.