KNEE AIRBAG MODULE

A knee airbag module, comprising an airbag () which has plural vertical chambers superimposed in the inflated state, including a middle, upper and lower chamber (), is filled directly via the middle chamber (), wherein the lower chamber () can be fluid-communicated with the middle chamber via plural overflow openings () and a valve device is configured on the overflow openings () so that the overflow openings () are open at the beginning of the deployment operation and the valve device closes the overflow openings () in the course of the deployment operation.