Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1986-07-23
1987-12-22
Reger, Duane A.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 61, 303119, B60T 842
Patent
active
047143002
ABSTRACT:
A pressure modulator for anti-skid systems in vehicle brake systems, including a plunger/cylinder assembly actuatable merely by supplying electrical auxiliary energy and in the form of a linear actuator is incorporated into a hydraulic or pneumatic pressure line between a master brake cylinder and at least one associated wheel brake cylinder in such a way that upon the onset of ABS functions a pump plunger is displaced by a linear motor action in such a way that fluid pressure arriving from the master brake cylinder is counteracted while the wheel brake cylinder pressure is simultaneously relieved. By appropriate design including a double check valve, ASR functions (anti-slip regulation) are also attainable, for which the pressure modulator can be mounted directly in an appropriately shaped housing recess of a brake caliper such as that of a disk brake.
REFERENCES:
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patent: 3614176 (1971-10-01), Holst et al.
patent: 3617098 (1972-11-01), Leiber
patent: 3690736 (1972-09-01), Smirl et al.
patent: 3719401 (1973-03-01), Peruglia
patent: 3731979 (1973-05-01), Mikaila
patent: 4068904 (1978-01-01), Blomberg et al.
patent: 4138165 (1979-02-01), Blomberg et al.
patent: 4275934 (1981-06-01), MacDonald
Heess Gerhard
Karnopp Dean
van Zanten Anton
Greigg Edwin E.
Reger Duane A.
Robert & Bosch GmbH
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