Hydraulic brake pressure controlling apparatus for a vehicle

Details Hydraulic brake pressure controlling apparatus for a vehicle Hydraulic brake pressure controlling apparatus for a vehicle

1990-03-02

1992-01-14

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

818345, 303 52, 303116R, 303119R, B60T 832

Patent

active

050804499

ABSTRACT:
A hydraulic brake pressure control apparatus in which a relief valve is disposed in a fluid passage communicating a fluid pressure chamber of a master cylinder with an ejection end of a fluid pump for discharging a brake fluid to a reservoir when the brake fluid pressure in the fluid passage exceeds a predetermined value and the relief valve opens. An abutting direction of a valve member of the relief valve against a valve seat is the same as a discharging direction of the brake fluid during the opening operation of the relief valve.

REFERENCES:
patent: 4415210 (1983-11-01), Belart et al.
patent: 4867509 (1989-09-01), Maehara et al.
patent: 4869560 (1989-09-01), Nishii
patent: 4952003 (1990-08-01), Okubo

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