Anti-skid brake control system

Details Anti-skid brake control system Anti-skid brake control system

1990-10-31

1992-05-12

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303116R, 303119R, 188358, B60T 832

Patent

active

051121158

ABSTRACT:
In a known anti-skid control system having a brake booster, a servo piston is followed in the actuating direction by a restoring piston. After a partial stroke, the servo piston can reach the restoring piston and displace it. This arrangement is disadvantageously long. In the brake booster proposed here, a restoring piston is displaceably disposed inside the guide bore. This piston has a bottom and bordering on its a cylinder wall open toward the brake pedal. This wall forms a cylinder jacket in which the servo piston is displaceable. The servo piston executes a part of its working stroke at a variable distance from the bottom of the restoring piston. From the time of contact with the restoring piston, the servo piston executes a further working stroke together with the restoring piston, if necessary.

REFERENCES:
patent: 4415210 (1983-11-01), Belart
patent: 4914917 (1990-04-01), Schonlau
patent: 4964676 (1990-10-01), Resch
patent: 5027599 (1991-07-01), Nishii et al.
patent: 5066077 (1991-11-01), Farr

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