Power brake booster for a hydraulic vehicle brake system

Details Power brake booster for a hydraulic vehicle brake system Power brake booster for a hydraulic vehicle brake system

1985-12-13

1987-03-31

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Motorman's valves

Multiple motors

60554, 303114, B60T 1314, B60T 802

Patent

active

046538143

ABSTRACT:
A power brake booster including booster pressure acting upon a booster piston and controlled by a brake valve which is actuated by an actuating element supported in the booster housing is disclosed. A travel simulator is interposed between the actuating element and the brake valve. Acting on which travel simulator is a simulator piston which is acted on by the actuating pressure in opposition to main actuating direction. The simulator piston is connected to a valve spool for the purpose of actuating the brake valve. The actuating element includes a plunger piston which projects into a booster chamber and which transmits a reaction force onto the actuating element on actuation of the power brake booster.

REFERENCES:
patent: 4286826 (1981-09-01), Leiber
patent: 4318272 (1982-03-01), Leiber et al.
patent: 4346942 (1982-08-01), Leiber
patent: 4405181 (1983-09-01), Resch et al.
patent: 4489989 (1984-12-01), Belart et al.
patent: 4534171 (1985-08-01), Leiber

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