Zf Automotive Germany Gmbh

Marc Elstner

Werner Freisler

Benjamin Weimer

Nico Maier

Kalus Bernhard

The invention describes an airbag module (), specifically a knee airbag module, comprising at least a module housing (), an airbag, specifically a knee airbag, and an inflator (), as well as a holding element (), the holding element () including a seat () for the inflator () and enclosing the inflator () at least partly, in particular in a cage-like manner, the holding element () including securing elements () at least for securing the holding element () and the airbag to the module housing (), the holding element () and/or the module housing () comprising a fixing element () for fixing the inflator () in the holding element (). The invention further describes a method for replacing an inflator () of an airbag module ().

Airbag module, method for exchanging a gas generator of an airbag module, and method for producing an airbag module

A vehicle occupant restraint system comprises a vehicle seat () which includes a backrest () with a seat back surface (), the seat back surface () being provided for a vehicle occupant () seated in the vehicle seat () to lean against the same, and comprising an airbag module () integrated in the vehicle seat () which includes an airbag () being U-shaped in a horizontal section plane, wherein the airbag () includes an L-shaped restraining portion () and an L-shaped supporting portion (), wherein the L-shaped restraining portion () has a fillable cushioning portion () forming a first leg of the L which is positioned along a seat longitudinal direction (L) spaced apart from the seat back surface () and which includes a baffle () being directed toward the seat back surface () and being provided to cushion the vehicle occupant (), if he/she is displaced forward along the seat longitudinal direction (L), and includes a fillable connecting portion () forming a second leg of the L which connects the cushioning portion () to the vehicle seat (), wherein the L-shaped supporting portion () includes a fillable first bearing portion () forming a first leg of the L and being positioned along a seat longitudinal direction (L) behind the backrest () and a second bearing portion () forming a second leg of the L which connects the first bearing portion () to the vehicle seat (), wherein the connecting portion () of the restraining portion () and the second bearing portion () of the supporting portion () form a transverse leg () of the U, wherein the supporting portion () includes a bearing surface () directed toward the backrest () and counteracts a load (F) being directed away from the seat back surface () and acting on the restraining portion (), if the vehicle occupant () impacts the baffle (), so as to stabilize the restraining portion () relative to the vehicle seat ().

Growing community of inventors

Mutlangen, Germany

Marc Elstner