Fluid pressure valve

Details Fluid pressure valve Fluid pressure valve

1982-04-02

1984-07-24

Schwadron, Martin P.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

137843, F16K 717

Patent

active

044613130

ABSTRACT:
A quick release valve for a vehicle braking system has an inlet port, an outlet port for connection to a brake actuator, and an exhaust port closed during operation of the actuator by a working area of a diaphragm. A support area of the diaphragm surrounding the area has peripheral indents with re-entrant edge portions. Reduction of the support area by formation of the indents lessens noise produced by the valve during exhausting after operation of the brake actuator.

REFERENCES:
patent: 2669979 (1954-02-01), Kiekhaefer
patent: 3093153 (1963-06-01), Horowitz
patent: 3424185 (1969-01-01), Lansky et al.
patent: 4204555 (1980-05-01), Durling
patent: 4318809 (1982-03-01), Bethel

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