Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1994-10-21
1996-01-16
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031143, 3031152, 3031161, 188356, 60545, B60T 832
Patent
active
054841933
ABSTRACT:
An anti-lock brake system having an electronic control responsive to wheel speed sensors associated with each wheel of the vehicle. The electronic control generates a pedal inhibit signal activating a hydraulic cylinder to inhibit further depression of the brake foot pedal in response to detecting at least one of the wheels approaching a locked state. The electronic control will also generate brake pressure control signals activating an anti-lock brake actuator connected between the brake foot pedal and the input to the vacuum power booster of the brake system. The anti-lock brake actuator, in response to the brake pressure control signals, will maintain a maximum friction between the wheels of the vehicle and the road surface.
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Fuller Edward N.
Linkner, Jr. Herbert L.
Butler Douglas C.
Kelsey-Hayes
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