Apparatus for pressure regulation in a hydraulic system

Details Apparatus for pressure regulation in a hydraulic system Apparatus for pressure regulation in a hydraulic system

1989-12-01

1991-07-16

Reger, Duane A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 87, B60T 842

Patent

active

050319698

ABSTRACT:
The invention relates to an apparatus for pressure regulation in hydraulic systems, in particular in anti-skid systems of vehicle brake systems. According to the invention, a throttle switchover valve that includes a bypass valve and a throttle assembly is disposed in the brake circuit between a damper chamber and the master cylinder. The throttle switchover valve either creates an unhindered passage for the brake fluid or throttles it, depending on the intensity of the brake pressure. This suppresses pulsations transmitted to the foot pedal, yet nevertheless, rapid braking and fast release of the brake of a motor vehicle are assured.

REFERENCES:
patent: 4395073 (1983-07-01), Arikawa
patent: 4807945 (1989-02-01), Budecker et al.
patent: 4812777 (1989-03-01), Shirai

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