Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1984-08-07
1989-08-22
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 97, B60T 864, B60T 874
Patent
active
048590037
ABSTRACT:
To control the braking effect of a brake-slip controlled hydraulic or pneumatic brake system for automotive vehicle transducers (14, through 18) serve to determine the braking pressure, the axle loads, the translational deacceleration of the vehicle, the brake torque, the brake force and the wheel rotational behavior, and to evaluate these measured values after they have been electronically prepared, logically combined and processed, to control of the braking pressure variation. Upon the occurrence of an anomaly between the translational deacceleration of the vehicle and the braking pressure which is indicative of overbraking, the braking pressure in all or in individual wheel brake cylinders is periodically decreased and/or kept constant and reincreased by virtue of control of the pressure medium supply and its return flow.
REFERENCES:
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patent: 3637264 (1972-01-01), Leiber et al.
patent: 4043607 (1977-08-01), Signorelli et al.
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patent: 4231620 (1980-11-01), Leiber
patent: 4414630 (1983-11-01), Harris et al.
patent: 4418966 (1983-12-01), Hattwig
patent: 4483144 (1984-11-01), Steffes
patent: 4512615 (1985-04-01), Kita et al.
Alfred Teves GmbH
Oberleitner Robert J.
Seitter Robert P.
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