Brake pressure control valves

Details Brake pressure control valves Brake pressure control valves

1979-05-30

1981-05-26

Reger, Duane A.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

B60T 826

Patent

active

042694531

ABSTRACT:
A brake pressure control valve consisting in a combined pressure differential warning actuator (PDWA) and pressure conscious reducing valve (PCRV) in which the PDWA consists of a piston exposed at each end to fluid pressure of one brake system acting in combination with an electric switch in such a manner that if the differential pressure between the ends exceeds a certain value the piston is moved to operate the switch and give a warning and in which the PCRV consists of a piston or a number of pistons arranged within the PDWA piston to provide for control of the fluid pressure supplied to rear brakes of a vehicle to assist in preventing locking up, such control not being exercised in the event that there is a failure of the front brake system of the vehicle.

REFERENCES:
patent: 3967082 (1976-06-01), Remy
patent: 4053186 (1977-10-01), Jakobi
patent: 4174867 (1979-11-01), Oberthur

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