Pumpback adaptive braking system with slave isolation valve

Details Pumpback adaptive braking system with slave isolation valve Pumpback adaptive braking system with slave isolation valve

1992-11-19

1994-01-25

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031155, 3031162, 3031171, 3031191, 303900, 303901, 303 842, B60T 832

Patent

active

052810100

ABSTRACT:
The closed circuit, pump-back adaptive braking system (10, 110, 210, 310, 410) includes a slave isolation valve mechanism (30, 30', 30", 130, 330, 330') which has a valve member (34, 34', 34", 134, 334, 334') that permits master cylinder (12) generated hydraulic braking pressure to oppose pressure received from the pump (23) of the braking system (10, 110, 210, 310, 410) in order to prevent displacement of the valve member (34, 34', 34", 134, 334, 334') when the pump (23) is not operating. When the pump (23) of the system (10, 110, 210, 310, 410) is operating, the valve member (34, 34', 34", 134, 334, 334') is displaced to isolate substantially the master cylinder (12) from an electrically actuated valve mechanism (40, 40') during operation of the adaptive braking system (10, 110, 210, 310, 410).

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patent: 5137339 (1992-08-01), Brown
patent: 5163474 (1992-11-01), Rizk
patent: 5172963 (1992-12-01), Brown

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