Automatic antilock control system

Details Automatic antilock control system Automatic antilock control system

1975-11-18

1977-10-18

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303106, B60T 802

Patent

active

040543285

ABSTRACT:
An automatic antilock control system for vehicles comprises a sensor which determines the presence of a tendency of a wheel to lock, a brake pressure open loop control device for varying the brake pressure at the said wheel and controlled by an evaluation circuit responsive to the sensor, the evaluation circuit including switch apparatus for producing open loop control signals which achieve a steep brake presence variation during an antilock control operation and thereafter achieve a further slower pressure variation, and open loop control apparatus for varying the duration of the pressure variation in dependence on the duration of the steep pressure variation of the previous cycle.

REFERENCES:
patent: 3677609 (1972-07-01), Davis et al.
patent: 3888550 (1975-06-01), Reinecke et al.
patent: 3930688 (1976-01-01), Rau et al.
patent: 3958835 (1976-05-01), Rothfusz et al.

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