Fluid-pressure and analogous brake systems – Speed-controlled – Pulse frequency or time period controlling pressure rebuild
Patent
1995-01-30
1996-07-23
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Pulse frequency or time period controlling pressure rebuild
303174, 303158, B60T 832
Patent
active
055383378
ABSTRACT:
An anti-skid braking system for wheeled vehicles having fluid actuated brakes associated with the vehicle wheels, speed sensors associated with the vehicle wheels and a cyclically operating control device which is responsive to speed signals from the speed sensors to actuate a pressure dump device to periodically release the fluid pressure applied to the brake of any wheel which is determined to be about to lock and to later re-apply the actuating pressure to that brake when the tendency of that wheel to lock has reduced, and wherein the pressure dump phase is arranged to be cancelled during wheel-lock when the aggregate dump time for the current cycle exceeds a limit value based upon a weighted-average dump time of previous cycles.
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Harris Alan L.
Phillips Mark I.
Butler Douglas C.
Lucas Industries Public Limited Company
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