| 摘要 |
PURPOSE: A braking force control device of vehicle is provided to prevent the blocking of a wheel when in braking, and to shorten a braking distance, by intermittently controlling the pressure of a wheel cylinder with simple structure. CONSTITUTION: A brake switch(5), which is equipped on a brake pedal(1), is switched on/off by the brake pedal. A detecting sensor of wheel rotary speed(7) is equipped on the wheel side and detects the rotary speed of wheels. A pressure control device(3) is equipped on a brake line(8) between a brake master cylinder(5) and a brake wheel cylinder(4), and has a hydraulic control plate, which is operated by a step motor and forms several connecting holes. An electronic control device(6), which is input by the brake switch and the detecting sensor of wheel rotary speed, operates the pressure control device.
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