Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1989-09-29
1991-06-25
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188162, 303 93, 303119, B60T 832
Patent
active
050261266
ABSTRACT:
A traction control system (TC) pressure actuator is provided. The actuator includes a frame with a central bore fluidly exposed to a solenoid valve and to a vehicle wheel cylinder. A piston is slidably mounted within the bore having a contact surface and a first predetermined position within the bore. A power device is actuated by a controller. A cam moved by the power device has a ramp surface in contact with the piston contact surface. The position of the piston within the wheel cylinder is determined by the position of the cam.
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Fabris Alroy G.
Kade Alexander
Umasankar Guruswamy
Butler Douglas C.
General Motors Corporation
Helms Ernest E.
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