Brake fluid pressure control valve responsive to deceleration

Details Brake fluid pressure control valve responsive to deceleration Brake fluid pressure control valve responsive to deceleration

1979-06-21

1981-05-05

Reger, Duane A.

Fluid-pressure and analogous brake systems

Inertia control

303 6C, B60T 814

Patent

active

042654939

ABSTRACT:
A brake fluid pressure control valve is inserted into a brake line connecting the master brake cylinder to the rear wheels of an automobile, and varies the braking pressure applied to the rear wheel brakes at a predetermined value of deceleration to prevent the rear wheels from locking up. Such a valve includes a main body having cylindrical bores of different diameters including a pressure-regulating piston and a hollow control piston slidably fitted within the cylindrical bores. A ball valve responsive to deceleration is disposed within the hollow of the control piston to selectively open and close a passage connecting the hollow to a pressure chamber. The ball closes the passage when the deceleration of an automobile has reached a predetermined value.

REFERENCES:
patent: 3825303 (1974-07-01), Yabuta
patent: 3881786 (1975-05-01), Hayes
patent: 3922020 (1975-11-01), Kolke et al.
patent: 4141596 (1979-02-01), Takeshita et al.

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