| 摘要 |
The vehicle braking system is provided with an input piston (12) and a pressure piston (13) which are moveably supported within a cylinder (11). The input piston (12) is allowed to depress the pressure piston 13 and is connected to a brake pedal (14). Pressure chambers (R1, R2) to the front and to the rear of the input piston (12) are communicated through a communication passage (21) such that the control hydraulic pressure in accordance with the operation amount to the brake pedal (14) is applied to the second pressure chamber (R2) via a first and a second linear valves (40, 42). The control hydraulic pressure in accordance with the operation amount to the brake pedal (14) which has been transmitted to the pressure piston (13) through the input piston (12) is regulated by a pressure regulating valve (22) so as to be applied to the second pressure chamber (R2). The braking hydraulic pressure may be output from the pressure chambers (R1, R3), respectively.
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