Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1985-10-21
1987-03-31
Caldwell, Sr., John W.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303113, 303115, 303DIG4, B60T 842
Patent
active
046538151
ABSTRACT:
A vehicle brake and wheel anti-lock control system in which an electronically controlled actuator normally provides brake pressure for the vehicle wheel brakes and also acts as a modulator to vary the brake actuating pressures for wheel anti-lock control. The actuator is so arranged that a master cylinder may be used to provide actuating pressure to the wheel brakes, the pressure passing through the actuator pressurizing chamber, if for any reason the actuator does not perform as needed to provide brake actuating pressure to stop the vehicle.
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Agarwal Paul D.
Hammersmith Robert J.
Kade Alexander
Caldwell Sr. John W.
General Motors Corporation
McGraw D. D.
Oberley Alvin
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