Vehicular brake system

Details Vehicular brake system Vehicular brake system

1997-12-24

1999-10-19

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

With failure responsive means

188353, 188356, 188358, 3031131, 3031141, 303146, 3031161, 303199, 303 12, 3031143, B60T 832, B60T 1360

Patent

active

059676280

ABSTRACT:
When a vacuum booster fails, an pressure amplifying mechanism increases a wheel brake pressure. After that, even when it is detected that the vehicle is brought into a stopped state, the state in which an increased brake fluid pressure is applied to wheel cylinders is held. If a condition for terminating control to maintain a stationary state of the vehicle is satisfied, that is, if a predetermined time period has elapsed since when the vehicle stops, the operation of the pressure amplifying mechanism is stopped to reduce the wheel cylinder pressure.

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patent: 5709438 (1998-01-01), Isakson et al.
patent: 5735585 (1998-04-01), Koike et al.
patent: 5890776 (1999-04-01), Sawada

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