| 摘要 |
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.
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