Electro-hydraulic brake apply system

Details Electro-hydraulic brake apply system Electro-hydraulic brake apply system

1992-09-08

1993-09-21

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 3, 3031132, B60T 834, B60T 848

Patent

active

052462838

ABSTRACT:
An electro-hydraulic braking system for a vehicle is provided including, in a preferred embodiment, a master cylinder, an alpha first pressure transducer providing a signal in response to the pressure of the fluid delivered by the master cylinder, an accumulator for accepting fluid from the master cylinder, an electric actuator for delivering and relieving pressurized fluid to the brake in response to the alpha pressurizer transducer in a normal mode of operation, an isolation valve isolating the master cylinder from the wheel brake when the braking system is in a normal braking mode and exposing the master cylinder with the wheel brake during an occurrence of an electric failure, and an accumulator shut-off valve to diminish the capacity of the accumulator when the master cylinder is exposed to the wheel brake due to an electric failure.

REFERENCES:
patent: 4768843 (1988-09-01), Baughman et al.
patent: 4950028 (1990-08-01), Harrison
patent: 5115116 (1992-05-01), Mikhaeil-Boules et al.
patent: 5150951 (1992-09-01), Leiber et al.

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