Hydraulic braking system

Details Hydraulic braking system Hydraulic braking system

1988-11-17

1990-08-21

Olszewski, Robert P.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303113, 303116, B60T 858, B60T 846

Patent

active

049500287

ABSTRACT:
An hydraulic braking system includes a primary pressure source connected to a brake actuator and operable by a force input device, a fluid displacer actuated by an electrical stepper motor operated by a controller in response to action of the force input device, as sensed by a sensor, whereby fluid displaced from the displacer is added to that displaced from the primary pressure source for application to the brake actuator. By suitable programming of the controller, servo-assistance and/or quick-fill modes can be produced by the displacer and wheel-slip correction and anti-skid facility can be provided.

REFERENCES:
patent: 3948568 (1976-04-01), Leiber
patent: 4653813 (1987-03-01), Burgdorf
patent: 4658939 (1987-04-01), Kircher et al.
patent: 4726549 (1988-02-01), Dittner et al.
patent: 4753490 (1988-06-01), Belart et al.
patent: 4811994 (1989-03-01), Friedow
patent: 4826255 (1989-05-01), Volz
patent: 4826256 (1989-05-01), Von Hayn et al.
patent: 4835695 (1989-05-01), Walenty et al.
patent: 4838622 (1989-06-01), Kircher et al.

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