Pneumatic brake booster

Details Pneumatic brake booster Pneumatic brake booster

2005-10-07

2009-12-29

Lazo, Thomas E (Department: 3745)

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

Reexamination Certificate

active

07637200

ABSTRACT:
A pneumatic brake booster includes a booster housing, 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, 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 means of a holding element.

REFERENCES:
patent: 4494443 (1985-01-01), Tsubouchi
patent: 4632014 (1986-12-01), Endo
patent: 4784038 (1988-11-01), Gautier
patent: 4892027 (1990-01-01), Wagner et al.
patent: 5452644 (1995-09-01), Bauer et al.
patent: 5546846 (1996-08-01), Bauer
patent: 6467390 (2002-10-01), Harth et al.
patent: 7032496 (2006-04-01), Schramm et al.
patent: 39 04 641 (1990-08-01), None
patent: 42 08 384 (1993-09-01), None

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