This porous sound-absorbing structure comprises: an outer material (2) having a smooth curved surface shape; an inner material (3) having an uneven shape and having a hollow (S) formed between the outer material (2) and same by having a perimeter bonded to that of the outer material (2); and a reinforcing sheet material (4) having a plurality of holes (5) and attached to the surface on the hollow (S) side of the inner material so as form an air layer between said surface and the reinforcing sheet material. The inside of the hollow (S) has sound absorbing properties as a result of the reinforcing sheet material (4).


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    Title :

    Porous sound-absorbing structure


    Contributors:

    Publication date :

    2015-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge



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