Brake system with slip control

Details Brake system with slip control Brake system with slip control

1986-01-27

1987-08-11

Reger, Duane A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303119, B60T 802

Patent

active

046857478

ABSTRACT:
A brake system with slip control comprises a conventional braking pressure generator (1), for example a master cylinder (2) with a vacuum-type booster (3) connected before it. An auxiliary pressure control valve (23) is provided whose control inlet port (21) is connected with a pressure chamber (9) of the master cylinder. As the slip control action starts, a hydraulic pump (26) is put into operation which causes an auxiliary pressure proportional to the pedal force to be built up by means of the control valve (23). The auxiliary pressure causes hydraulically actuatable valve arrangements (27, 28, 45, 46) to be switched over and thus the auxiliary pressure supply system (23, 26) instead of the master cylinder (2) to be connected with the wheel brakes (31 to 34). Simultaneously, the brake circuits (I, II) of the master cylinder are cut off and thus a further displacement of the master cylinder pistons (6, 7) is prevented.

REFERENCES:
patent: 4362339 (1982-12-01), Belart
patent: 4416491 (1983-11-01), Belart et al.

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