Abstract
An operational description is given of a brake pressure regulator which is utilized as a part of an antilocking brake system for motor vehicles. The regulator consists of an electronic controlled valve. Wheel locking is prevented by operation of the solenoid, and the pump is required for the back flow of the brake fluid into the manter cylinder of the brake fluid pressure is controlled by the restriction valve and depends upon the contact between the vehicle tyre and pavement surface. A safety valve ensures trouble-free operation of the brake system.