Anti-lock braking systems for vehicles

Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal

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Details

303 92, 303115, B60T 840, B60T 844

Patent

active

047799366

ABSTRACT:
A vehicle anti-lock braking system is disclosed in which a supply of fluid from a master cylinder is modulated in accordance with signals from wheel speed sensors to affect brake release and re-application during an anti-lock mode. An electric motor drives a first pump to provide a source of power during the anti-lock mode, and a second pump to charge a hydraulic acumulator. The pressure stored in the accumulator may be used to provide assistance when applying the brakes, and may also be used to apply a portion of the braking system.

REFERENCES:
patent: 4477125 (1984-10-01), Belart et al.
patent: 4480877 (1984-11-01), Resch
patent: 4568131 (1986-02-01), Blomberg et al.

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