Vacuum brake booster for automotive vehicles

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type

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91376R, F15B 910

Patent

active

049709402

ABSTRACT:
A vacuum brake booster in which the guiding sleeve (14) for the push rod (29) has an annular ring which defines a cylindrical guiding surface (22) and is guided, in axial movements of the guiding sleeve, by a guide bore in the housing (10) of the control valve.

REFERENCES:
patent: 3838628 (1974-10-01), Kita
patent: 4350076 (1982-09-01), Thiel
patent: 4587885 (1986-05-01), Boehm et al.
patent: 4589937 (1986-06-01), Meynier et al.
patent: 4598548 (1988-07-01), Wagner
patent: 4598625 (1986-07-01), Belart
patent: 4729288 (1988-03-01), Thioux
patent: 4777865 (1988-10-01), Gautier
patent: 4784038 (1988-11-01), Gautier

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