Vacuum brake booster with an assembly-friendly chamber arrangement and method for mounting of a vacuum brake booster

摘要

The present invention relates to a vacuum brake booster (10) with a chamber arrangement (12) for generating a a brake actuation force assisting servo force, wherein the chamber arrangement (12) comprises a housing (14), in which a working chamber (22) of a vacuum chamber (24) by means of a movable wall (26) is separated, wherein the housing (14) a first housing shell (16) and a second housing shell (18) which, in a connection area (20) are connectable or connected to one another in a sealing manner, whereby in the connecting region (20) is a flexible section (30) of the movable wall (26) is arranged in a sealing manner, and wherein the housing shells (16, 18) of the housing (14) of at least two fastening bolts (32) for fastening of the vacuum brake power booster (10) are passed through on a vehicle chassis, in this case, for easier installation, it is provided that at least one of the fastening bolt (32) with an engagement formation (46, 50) is provided with the one of the housing shells (16) during the assembly and thus can be brought into engagement with respect to the other of the housing shells (18) can be locked in a predetermined position is permanently.