Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1993-10-14
1995-07-25
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 10, 303 61, 3031152, 3031161, 303 68, B60T 832
Patent
active
054356377
ABSTRACT:
A hydraulic brake control system for a vehicle includes a return line for reducing a pressure built up in a wheel cylinder. The return line includes therein a switching valve for opening and blocking the return line. The return line further includes therein cylinders each having therein a piston for defining a piston chamber therein. Each piston has a first state where a brake fluid flowing from the wheel cylinder via the switching valve is allowed to flow into the piston chamber, and a second state where the brake fluid is allowed to be discharged from the piston chamber so as to be returned to a master cylinder. An operation control mechanism is provided for controlling the pistons into the first states and the second states, respectively, at different timings from each other in turn.
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Harada Tomoo
Imaeda Makoto
Butler Douglas C.
Nippondenso Co. Ltd.
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