Front wheel pressure control when vehicle stopping is imminent

Details Front wheel pressure control when vehicle stopping is imminent Front wheel pressure control when vehicle stopping is imminent

1994-06-16

1995-12-12

Ballato, Josie A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031191, 303DIG4, B60T 800

Patent

active

054743702

ABSTRACT:
A binary valve (40) for use in an anti-lock brake system having an electronic control unit (12) responsive to a wheel speed sensor (14) for optimizing the utilization of pressurized fluid to front (20,22) and rear (24,26) wheels during a brake application. The binary valve (40) is responsive to an input signal from the electronic control unit (12) derived by calculating when a complete stop (54) of a vehicle would occur and at approximately five seconds prior to such complete stop (54) decaying the fluid pressure supplied to the front (20,22) brakes to provide a transition (58) between the rate of deceleration (52) and a delayed complete stop location (56).

REFERENCES:
patent: 4620565 (1986-11-01), Brown
patent: 4778226 (1988-10-01), Brown
patent: 4991910 (1991-02-01), Shimanuki et al.
patent: 5272636 (1993-12-01), Buschmann et al.

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