Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1988-03-29
1989-08-22
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303113, 303114, B60F 802
Patent
active
048590045
ABSTRACT:
A hydraulic braking system for an automotive vehicle having a hydraulic braking pressure generator arranged to control the communication of a pressure chamber defined therein with a power source and a reservoir in response to depression of a brake pedal. The power chamber is normally communicated with the reservoir through a drain passage when the brake pedal is not depressed. Between the pressure generator and wheel brake cylinders disposed is valve means for controlling the communication of the wheel brake cylinders with the pressure generator and the reservoir. A changeover valve is arranged to normally communicate the power chamber with the reservoir and communicate the power chamber with the power source through the drain passage blocking its communication with the reservoir in a slip condition of driven wheels. In accelerating operation the changeover valve and the valve means are operated depending on the slip condition of the driven wheels to brake the same effectively preventing the slip. The system provides anti-locking operation as well.
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Aisin Seiki Kabushiki Kaisha
Graham M. C.
Kashnikow Andres
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