Patent ID: 8926027
Filing Date: 2015-01-06
Classification: B60T

Abstract:
1. A vehicle braking system comprising: an operation amount detector configured to detect an amount of operation of a brake pedal; a hydraulic pressure source to generate brake hydraulic pressure corresponding to the amount of operation detected by the operation amount detector; a controller configured to control an operation performed by the hydraulic pressure source; a wheel cylinder to be operated by the brake hydraulic pressure generated by the hydraulic pressure source; the hydraulic pressure source comprising: the controller being configured to selectively operate the first actuator and the second actuator based on the amount of operation detected by the operation amount detector, the controller being configured to control the first actuator and the second actuator to operate the wheel cylinder by the brake hydraulic pressure generated by one of the first actuator and the second actuator, and the controller being configured to control the first actuator and the second actuator to operate the wheel cylinder by the brake hydraulic pressures generated by both of the first actuator and the second actuator; a master cylinder to generate brake hydraulic pressure corresponding to the amount of operation detected by the operation amount detector; a first cutoff valve disposed between the master cylinder and the first actuator, the first cutoff valve being configured to cut communication between the master cylinder and the first actuator; and a second cutoff valve disposed between the master cylinder and the second actuator, the second cutoff valve being configured to cut communication between the master cylinder and the second actuator, wherein after one of the amount of operation detected by the operation amount detector and a target hydraulic pressure has reached a predetermined value, the controller opens the first and second cutoff valves with the first actuator and the second actuator being operated.