Brake actuator

Details Brake actuator Brake actuator

2008-07-08

2008-07-08

Schwartz, Christopher P (Department: 3683)

Brakes

Operators

Spring

C303S071000, C092S062000, C092S09800R, C092S13000R

Reexamination Certificate

active

07395906

ABSTRACT:
A brake actuator including a chamber in which is provided a movable pressure responsive element which divides the chamber into first and second compartments, the brake actuator also including a valve assembly with an inlet which is connected to a source of pressurised fluid, an outlet which is connected to a volume within the brake actuator not including the second compartment, and an exhaust port through which fluid from the volume may be released, wherein the exhaust port of the valve assembly is connected to the second compartment.

REFERENCES:
patent: 3302530 (1967-02-01), Dobrikin et al.
patent: 3736842 (1973-06-01), Valentine
patent: 6907818 (2005-06-01), Anderson
patent: 10228934 (2004-01-01), None
patent: 0 279 930 (1988-08-01), None
patent: 1 162 458 (1968-08-01), None
patent: 99/38744 (1999-08-01), None
patent: 03/080417 (2003-10-01), None
International Search Report; Sep. 12, 2005; 4 pages.
United Kingdom Search Report; Nov. 16, 2004; 1 page.
Written Opinion of the International Searching Authority; 5 pages.

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