Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1987-09-17
1989-10-10
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Pipeless valves
303111, 303115, B60J 882, B60J 864
Patent
active
048727296
ABSTRACT:
In an anti-ski control apparatus for a vehicle braking system including fluid pressure control valve devices and a valve apparatus, when brake-relieving output signals are obtained from both rear wheels, the brake-relieving output signal of the one of the rear wheels that is obtained later than that of the other is combined logically with the brake-relieving output signal of the one of the front wheels running on the same side as the one rear wheels to form a brake-relieving control signal for controlling a first or second fluid pressure control valve device connected to the wheel cylinder of the one front wheel. A brake-increasing control signal is generated by the first or second fluid pressure control valve device after the brake-relieving control signal disappears based on the brake-increasing output signal of the one of the front and rear wheels on the same side which has a stronger locking tendency than the other. In the alternative, the signal is formed based on the brake-increasing output signal of the one of the front and rear wheels on the same side, the acceleration of which is smaller than that of the other. A brake-holding control signal by the first or second fluid pressure control valve device, before the brake-relieving control signal generates, is formed by logical sum (OR) of the brake-holding output signals of the one front and rear wheels on the same side, and a brake-increasing control signal by the first or second fluid pressure control valve device, after the brake-relieving control signal disappears, is formed on the basis of the brake-increasing output signal of the one of the one front and rear wheels on the same side the brake-holding output signal of which has generated sooner than that of the other.
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Graham Matthew C.
Kashnikow Andres
Nippon ABS, Ltd.
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