发明申请
US20070024115A1 Brake fluid pressure control device for vehicles 有权
车辆制动液压力控制装置

Brake fluid pressure control device for vehicles
摘要:
A brake fluid pressure control device for vehicles is provided capable of adjusting with a simple control a brake fluid pressure applied to a wheel brake. The control device includes for each system of an X-pipe arrangement: a cut valve as a linear solenoid valve provided to a first fluid pressure path; a pump capable of pressurizing brake fluid on a side toward the wheel brakes than the cut valve on the first fluid pressure path; and a control valve provided on the second fluid pressure path. The control device further includes: a target fluid pressure setting portion for setting a target fluid pressure for each of the wheel brake; and a valve actuating portion for drive-controlling the cut valve and the control valve, based on the target fluid pressure. The valve actuating portion performs for each of the systems the operations of drive-controlling the cut valve by using a higher one of the target fluid pressures of the wheel brakes as a target fluid pressure of the first fluid pressure path, to control the wheel brake having the higher target fluid pressure by driving only the cut valve, and of controlling a wheel brake having a lower target fluid pressure by driving the control valve corresponding to the wheel brake having the lower target fluid pressure.
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