Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1985-05-23
1986-07-15
Reger, Duane A.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303105, B60T 810
Patent
active
046002448
ABSTRACT:
To simplify the anti-lock brake system in which two brake circuits (I,II) are used, connected to diagonally located wheels (2,3; 1,4), magnetic valves are provided in which one braking circuit fully controls the wheels thereof and the wheels of the other braking circuits are controlled by a slave or follower valve system (9,10) which includes a biassed valve (10) controlling the braking pressure at the front wheel of the second braking circuit (1) with a difference pressure, so that the second slave control valve operates as a differential pressure control valve (10,32). The differential can be controlled as a function of absolute braking pressure, as sensed, for example, by a brake pressure piston (30) and a biassing spring (30a) therefor.
REFERENCES:
patent: 4093317 (1978-06-01), Lindemann et al.
patent: 4288127 (1981-09-01), Leiber et al.
patent: 4374421 (1983-02-01), Leiber
Reger Duane A.
Robert & Bosch GmbH
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