The present invention relates to an active bolster for pedestrian protection. A vehicle instrument panel has a pedestrian protection zone along a forward side. The instrument panel generally has a low stiffness that avoids impact forces in the pedestrian protection zone greater than a predetermined force. An accessory component mounted on the instrument panel within the protection zone has a stiffness that could generate an impact force above the predetermined force. A cover providing a trim surface of the instrument panel has an annular wall region between inner and outer tear seams which encompass the accessory component. An annular bladder wall joined to the annular wall region forms a substantially toroidal expandable chamber. An inflator is arranged to supply an inflation gas into the expandable chamber during an impact of a pedestrian to tear the tear seams and expand the expandable chamber above the instrument panel body to intercept the pedestrian prior to impacting the accessory component.


    Access

    Download


    Export, share and cite



    Title :

    Active bolster for pedestrian protection


    Contributors:

    Publication date :

    2015-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    ACTIVE BOLSTER FOR PEDESTRIAN PROTECTION

    REJNZ STEJSI KH / UEST SHON B | European Patent Office | 2018

    Free access

    Active bolster for pedestrian protection

    RAINES STACEY H / WEST SEAN B | European Patent Office | 2015

    Free access

    Active bolster and bolster vent

    STANCATO CORTNEY / CHENG JAMES CHIH | European Patent Office | 2016

    Free access

    Active bolster for side impact protection

    Saraf,B.K. / Trutzel,M.N. / Bilkhu,S.S. et al. | Automotive engineering | 2008


    Active bolster and bolster vent

    CORTNEY STANCATO / JAMES CHIH CHENG | European Patent Office | 2017

    Free access