A vehicle occupant restraint system comprises an inflatable knee airbag (10). The knee airbag (10) includes an airbag sheath (12) and at least one vent hole (18) formed therein. The vent hole (18) is arranged in the upper half of the knee airbag (10) and is provided on a side of the knee airbag (10) facing away from the vehicle occupant which in the operating position of the knee airbag (10) is directly opposed to a fixed component (28) in the vehicle interior. A method of protecting a vehicle occupant comprises the following steps of: Inflating a knee airbag (10) with gas so that the knee airbag (10) adopts an operating position; and adapting the gas discharge behavior in accordance with the constitution, especially the body height of the vehicle occupant, in that a vent hole (18) formed in an upper section (36) of the knee airbag (10) is pressed against a fixed component (28) in the vehicle interior by the knee (38) of a normal size vehicle occupant moving forward and is closed thereby, or is not pressed against a fixed component (28) in the vehicle interior by the knee (38) of a small size vehicle occupant moving forward.


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    Titel :

    Vehicle occupant system having an adaptive knee airbag


    Beteiligte:
    ABELE TIMO (Autor:in) / FREISLER WERNER (Autor:in)

    Erscheinungsdatum :

    2015-06-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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