Hydraulic anti-lock braking systems for vehicles

Details Hydraulic anti-lock braking systems for vehicles Hydraulic anti-lock braking systems for vehicles

1989-03-02

1990-05-29

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 61, 303117, 303119, B60T 840, B60T 848, B60T 836

Patent

active

049290371

ABSTRACT:
In a hydraulic anti-lock braking system a modulator incorporates a solenoid-operated valve responsive to anti-lock signals, a re-application valve and an expansion chamber to which fluid relieved from the brake in an anti-lock mode. The solenoid-operated valve determines the pressure in a control chamber, a poppet valve controls communication between the master cylinder and the brake, and a restricted connection is provided between the master cylinder and the output from a re-application pump.

REFERENCES:
patent: 3877758 (1975-04-01), Kuwana
patent: 4350396 (1982-09-01), Mortimer
patent: 4611859 (1986-09-01), Otsuki et al.
patent: 4715666 (1987-12-01), Farr
patent: 4778227 (1988-10-01), Bayliss

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