In an embodiment, multi-stage energy absorbing system can comprise: a thermoplastic flanged frame and a crush lobe having a proximal base aligned with the flanged frame and a distal end protruding from the flanged frame. The crush lobe comprises a central slab and slab pairs such that the crush lobe comprises a total of 2i+1 slabs, wherein i is the number of slab pairs and is greater than or equal to 1. The slabs are disposed in a stepped arrangement and configured to absorb impact energy by collapsing in a telescopic manner with increasing energy level. The single energy-absorbing system is able to absorb low energy impact associated with vehicle-to-pedestrian impact; simultaneously with the ability to mitigate damageability associated with low-speed vehicle-to-barrier impact, as well as damageability associated with vehicle-to-vehicle moderate speed impact, head-on, as well as at an angle.


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    Title :

    Energy absorbing system for conflicting regulatory requirements for vehicle bumpers



    Publication date :

    2018-06-26


    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




    ENERGY ABSORBING SYSTEM FOR CONFLICTING REGULATORY REQUIREMENTS FOR VEHICLE BUMPERS

    BOBBA SOMASEKHAR VENKAT / NAGWANSHI DHANENDRA KUMAR | European Patent Office | 2017

    Free access

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    Astrop,A.W. | Automotive engineering | 1975


    Stretch-flow forming energy-absorbing bumpers

    Astrop, A. | Tema Archive | 1975


    A Study of Automotive Energy-Absorbing Bumpers

    Wu, Hai | SAE Technical Papers | 1973