Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1989-02-08
1990-09-11
Olszewski, Robert P.
Fluid-pressure and analogous brake systems
Pipeless valves
303 963, B60T 810
Patent
active
049556711
ABSTRACT:
An antiskid control device is for use with the brake assembly of a motor vehicle. It includes a program for detecting any malfunction of wheel speed sensors of the non-driven wheels. The program is adapted to judge when the non-driven wheel sensors are out of order and to give a signal notifying the abnormality of the sensors, if the wheel speed values detected by the non-driven wheels are kept out of a predetermined range for a predetermined period while the wheel speeds detected by the driven wheel speed sensors are above a predetermined point. Thus, a possible malfunction of the antilock device itself resulting from wrong information transmitted from the troubled non-driven wheel sensors will be identified and prevented.
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patent: 2168866 (1979-09-01), McNinch, Jr. et al.
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patent: 3920280 (1975-11-01), Luhdorff et al.
patent: 3920284 (1975-11-01), Lane et al.
patent: 4546437 (1985-10-01), Bleckmann et al.
patent: 4701854 (1989-10-01), Matsuda
patent: 4814990 (1989-03-01), Kirstein
Graham Matthew C.
Olszewski Robert P.
Sumitomo Electric Industries Ltd.
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