BRAKE DEVICE FOR VEHICLE

摘要

PURPOSE: A brake device for a vehicle having an air power brake is provided to be able to regulate and to operate a control valve by an electromagnet, regardless of the intention of a driver. CONSTITUTION: A brake device for a vehicle having an air power brake is composed of:a pneumatic brake force booster; an operation unit consisted of a master brake cylinder connected with a wheel brake, placed on the lower part of the booster; and a brake pressure controller that signals corresponding to a nominal brake pressure and a real brake pressure are supplied and its output variable is corresponding to the nominal value of a current supplied to an electromagnet. Herein, the control valve of the brake force booster can be operated by the electromagnet having an amateur capable of operating one among the sealing sheets of the control valve regardless of the action of a driver.