Control valve assembly for hydraulic brakes

Details Control valve assembly for hydraulic brakes Control valve assembly for hydraulic brakes

1978-06-13

1980-01-22

Reger, Duane A.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 22R, B60T 826

Patent

active

041847164

ABSTRACT:
A control valve assembly for vehicle hydraulic brake systems having dual or split hydraulic pressure lines, including a body having two coaxial hydraulic chambers, one chamber being in one pressure line, and the other chamber in the other pressure line. A piston in each chamber is axially and serially arranged with the other piston, the pistons abutting each other at one end. Movement of each piston opens and closes a valve in the respective chamber which opens and closes the respective hydraulic pressure line. Hydraulic pressure acts on a circumferential step on each piston tending to close the valves. A single spring acts on the other end of one piston biasing both pistons in one direction tending to open the valves.

REFERENCES:
patent: 3217494 (1965-11-01), Stelzer
patent: 3450443 (1969-06-01), Bueler
patent: 3578821 (1971-05-01), Guettier
patent: 3967082 (1976-06-01), Remy
patent: 4118077 (1978-10-01), Carre

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