Boots – shoes – and leggings
Patent
1987-03-25
1988-04-19
Chin, Gary
Boots, shoes, and leggings
303103, 361238, B60T 832
Patent
active
047394846
ABSTRACT:
A method and device for controlling the variation of braking pressure in the wheel cylinders of brake-slip controlled vehicle brakes. The wheel rotational behavior (v.sub.Rad) and further a vehicle reference velocity (v.sub.Ref) are determined by sensors and logically combined to produce control signals. The braking pressure at the wheels is controllable by the operation of electromagnetically actuated valves (AV, EV) inserted in the pressure fluid circuit. A first pressure-decrease pulse is triggered as soon as the wheel velocity exceeds a deceleration or slip threshold during a braking action. The duration of the said pressure-decrease pulse is determined by the instantaneous deceleration upon attainment of the first switching threshold. Any subsequent pressure decrease pulse is delivered only after a predetermined waiting period and is of a duration determined by reference to the average acceleration.
REFERENCES:
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Chin Gary
IT&T Industries, Inc.
Raden James B.
Seitter Robert P.
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