Device for controlling pressure of brake fluid

Details Device for controlling pressure of brake fluid Device for controlling pressure of brake fluid

1998-04-03

2000-09-12

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031131, 3031154, 303 842, B60T 840

Patent

active

061167029

ABSTRACT:
A device for controlling pressure of brake fluid having an anti-lock control device arranged in a pipe communicating a master cylinder with a wheel cylinder, comprising: a passage shut-off device arranged in a passage communicating a holding valve, which is a component of the anti-lock control device, with a master cylinder, to shut off the passage when fluid pressure generated in the master cylinder exceeds a predetermined value; and a switch valve arranged in a bypass passage communicating an upper stream side passage of the passage shut-off device with a suction port of a hydraulic pump, to open the passage when the passage shut-off valve shuts off the passage, wherein when the passage shut-off device closes the passage, the hydraulic pump in the anti-lock control device is operated, so that brake fluid in the master cylinder can be sucked via the switch valve and fed into the wheel cylinder.

REFERENCES:
patent: 3773362 (1973-11-01), Lewis
patent: 4453782 (1984-06-01), Arikawa et al.
patent: 5281012 (1994-01-01), Binder et al.
patent: 5401083 (1995-03-01), Altmann et al.
patent: 5564798 (1996-10-01), Zaviska et al.
patent: 5586814 (1996-12-01), Steiner

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