Hydraulic braking pressure control valve

Details Hydraulic braking pressure control valve Hydraulic braking pressure control valve

1978-10-11

1980-08-26

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 24C, 303 24F, B60T 1306

Patent

active

042192439

ABSTRACT:
A hydraulic braking pressure control valve for use in a vehicle includes a first inlet and outlet connected to a first pressure circuit, a second inlet connected to a second pressure circuit, a first piston having therethrough a liquid passage which normally connects the first inlet and outlet, a second piston receiving liquid pressure in the second inlet for displacing the first piston against the biassing force of a pressure control spring, and a valve mechanism associated with the first piston for closing the liquid passage when the first piston is displaced by a predetermined distance by the second piston. A plunger is provided with one surface thereof facing the first piston with the pressure control spring interposed therebetween and the other surface thereof receiving liquid pressure from the first pressure circuit, and an inertia valve is provided for cutting off the supply of liquid pressure to the other surface of the plunger at a predetermined deceleration of the vehicle.

REFERENCES:
patent: 3922020 (1975-11-01), Koike
patent: 3976334 (1976-08-01), Farr
patent: 4077673 (1978-03-01), Takeshita

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