Patent ID: 8672419
Filing Date: 2014-03-18
Classification: B60T

Abstract:
1. A brake system comprising: a plurality of hydraulic brakes provided for respective wheels of a vehicle, and configured to be activated by hydraulic pressures of respective brake cylinders thereof so as to restrain rotations of the respective wheels; a power hydraulic pressure source including a drive source that is activatable by supply of electric energy thereto, and configured to generate hydraulic pressure by activation of said drive source; and a common passage to which said power hydraulic pressure source and said brake cylinders of said hydraulic brakes are connected, wherein said brake cylinders include a first brake cylinder connected to said common passage via a first individual passage that is provided with a first individual control valve, said first individual control valve being a normally-closed electromagnetic valve that is to be placed in a closed state when electric current is not being supplied to a solenoid of said first individual control valve, said brake cylinders include a second brake cylinder that is other than said first brake cylinder, said second brake cylinder being connected to said common passage via a second individual passage which is other than said first individual passage and which is provided with a second individual control valve, said second individual control valve being a normally-open electromagnetic valve that is to be placed in an open state when electric current is not being supplied to a solenoid of said second individual control valve, and said first and second brake cylinders are provided for respective front wheels of the vehicle.