Brake pressure apparatus in vehicle, comprises solenoid valve which performs connection and disconnection of pressure line between pressure reduction valve and power chamber

摘要

The apparatus has a solenoid valve which perform connection and disconnection of pressure line between pressure reduction valve and power chamber (9). Another solenoid valve performs connection and disconnection between pressure source and power chamber. A regulator (17) controls pressure of pressure source depending on pressure on brake pedal. A booster is made to operate by the regulator.