Brake booster

Details Brake booster Brake booster

1989-01-05

1990-06-19

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 91374, 92 51, 92 52, 92108, 13762568, 13762569, 60552, F15B 910

Patent

active

049342509

ABSTRACT:
A brake booster which includes a control slide that is displaceably supported in a servo piston and acted upon by a piston rod under the influence of brake pressure. The control slide has bores that establish communication between a pressure chamber and a pressure source or return for power brake fluid in the pressure chamber. The control slide is intended to penetrate a control bush in a stepped bore in the servo piston, which has a radial bore for connecting the pressure source with a radial bore in the control slide toward the pressure chamber. The control bush is supported radially movably in the stepped bore.

REFERENCES:
patent: 3815364 (1974-06-01), Belart et al.
patent: 4379423 (1983-04-01), Leineweber et al.
patent: 4467700 (1984-08-01), Udono

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