Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1995-11-09
1997-04-15
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031161, 303189, 303900, B60T 832
Patent
active
056202385
ABSTRACT:
A brake control device includes a master cylinder for generating a brake fluid pressure that is supplied to a first wheel brake via a switching valve and a first normally opened solenoid valve. The brake fluid pressure is also supplied to a second wheel brake via the switching valve and a second normally opened solenoid valve. The first wheel brake and the second wheel brake are associated with a one-way fluid pressure pump. Each of the switching valve, the solenoid valves and the pump is independently controllable. By selecting the condition of each of the switching valve, the solenoid valves and the pump, the brake fluid pressure supplied to each of the wheel brakes is adjustable depending on function which the brake control device is to fulfill.
REFERENCES:
patent: 4934761 (1990-06-01), Sauvageot et al.
patent: 4969696 (1990-11-01), Yogo et al.
patent: 5441336 (1995-08-01), Takeuchi
patent: 5531514 (1996-07-01), Nishii et al.
Aisin Seiki Kabushiki Kaisha
Butler Douglas C.
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