Control valve assemblies for use in fluid pressure braking syste

Details Control valve assemblies for use in fluid pressure braking syste Control valve assemblies for use in fluid pressure braking syste

1975-06-13

1976-11-02

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188195, 188349, 303 22R, 303 84R, B60T 818, B60T 826

Patent

active

039893120

ABSTRACT:
A fluid pressure operated vehicle braking system includes a control valve assembly comprising an inlet and outlet, a normally-open valve having a valve member movable in response to a predetermined inlet pressure to control the flow of pressure fluid between the inlet and the outlet, and a stepped piston subjected to a biasing force dependent upon the vehicle loading and operable in response to both the inlet pressure and the biasing force to reduce the outlet pressure after the predetermined inlet pressure is attained.

REFERENCES:
patent: 3163473 (1964-12-01), Stelzer
patent: 3304128 (1967-02-01), Farr
patent: 3314235 (1967-04-01), Stelzer
patent: 3545814 (1970-12-01), Margetts
patent: 3731981 (1973-05-01), Bueler
patent: 3848932 (1974-11-01), Lewis

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