Brake pressure control valves for split braking systems

Details Brake pressure control valves for split braking systems Brake pressure control valves for split braking systems

1975-02-19

1977-05-31

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188349, 303 22R, B60T 818, B60T 826

Patent

active

040266079

ABSTRACT:
A valve assembly for use in a vehicle braking system comprises two valves having respective inlets for connection to separate wheel brakes. Each valve has a plunger carrying one part of a valve set which co-operates with a stationary part of the valve set to control communication between the inlet and outlet, and a spring urging the plunger in a direction to maintain the valve set open. Each plunger has opposed piston portions of different dimensions subjected to the pressure at the inlet of the associated valve to produce a net force tending to close the valve, and a further portion subjected to the inlet pressure of the other valve to produce an additional force which is removed upon failure of that inlet pressure of the other valve.

REFERENCES:
patent: 3441318 (1969-04-01), Bueler
patent: 3459000 (1969-08-01), Oberthur
patent: 3684329 (1972-08-01), Kawabe et al.
patent: 3736031 (1973-05-01), Yabuta et al.
patent: 3738709 (1973-06-01), Stokes
patent: 3806207 (1974-04-01), Reinecke et al.

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