Patent ID: 7478888

Claim:
A braking system for a vehicle, comprising: an electronic service braking system having at least one brake cylinder and a pressure control module assigned to the brake cylinder, the pressure control module comprising a control chamber and a working chamber, a) wherein the working chamber is connected by way of a supply conduit to an air supply; b) wherein the control chamber is connected by way of a connection conduit and an inlet valve to the air supply; c) wherein the control chamber is connected with the atmosphere by way of an outlet valve and is connected by way of a backup conduit and a backup valve with a backup braking system, and the backup valve and the inlet valve have essentially equal flow areas; d) wherein the electronic service braking system further has a control system for controlling at least the inlet valve and the backup valve; e) wherein the control system opens the backup valve together with the inlet valve such that air flows into the control chamber when there is an ABS signal for increasing the pressure after a preceding pressure reduction.