Patent ID: 8444231

Claim:
A disk brake apparatus comprising: an actuator; a brake pad that can be moved by actuating the actuator so that the brake pad is pressed against a disk rotor to generate a braking force; and a controller adapted to perform repeatedly a contact and separation control, which is a control for driving the actuator to cause the brake pad to be moved into contact with the disk rotor and then be separated from the disk rotor, when a change of deformation of the disk rotor by heat release over time occurs, so that a pad clearance is adjusted according to the change of deformation of the disk rotor by heat release over time after the braking force is generated, wherein: before or until deformation of the disk rotor by heat release is finished after one braking operation is performed, the controller controls the actuator at a predetermined time interval to cause the brake pad to be moved into contact with the disk rotor, and the predetermined time interval is set to a larger value with each performance of the operation of moving the brake pad into contact with the disk rotor and separating the brake pad from the disk rotor.