A vehicle passenger safety device with an acceleration sensor oriented in the main travel direction and a pressure-sensitive impact sensor device. The pressure sensitive impact sensor can be arranged at the front of the vehicle and can be an air filled pressure hose mounted between a bumper cross member and a bumper element. The impact sensors are pressure sensitive and can be for example piezosensors, optical fibre sensors or acceleration sensors. By determining the relative timing t1, t2 of a set pressure trigger level p2 or the relative pressures p1, p2 at a set time t1 after an impact, a collision can be deduced as symmetric (ie head on) or asymmetric (ie oblique) and an impact position variable can be set. The impact position variable is used to determine the threshold level of an acceleration variable above which the safety device is initiated and that threshold value can be changed to a lower threshold if an oblique impact is identified.


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    Titel :

    Method for operating a vehicle passenger safety device of a motor vehicle and corresponding vehicle passenger safety device


    Beteiligte:
    MICHAEL SCHMID (Autor:in) / GUNTHER LANG (Autor:in)

    Erscheinungsdatum :

    30.08.2017


    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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