There is disclosed a noise reduction member (10), used in a noise reduction system, comprising: a structure of an automotive vehicle (100); a noise reduction member (10) located within the cavity (96) of the structure, the noise reduction member including: a carrier member having a first wall (20) and a side wall (24); a mass of expandable material (30) located adjacent the first wall; and an attachment (44) attached to the carrier member, the expandable material or both and locating the noise reduction member relative to the structure; wherein: the first wall, upon expansion of the mass of expandable material, shields the expandable material from forming a foam material in a space adjacent the structure; and the mass of expandable material expands to form a foam that occupies a volume that is at least 500% of the volume occupied by the original unexpanded mass of expandable material.


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    Titel :

    Noise reduction member and system


    Weitere Titelangaben:

    Element und System zur Geräuschverminderung
    Membre et système de réduction du bruit


    Beteiligte:
    VILCEK MERK J (Autor:in) / ZDROJEWSKI STEVE (Autor:in)

    Erscheinungsdatum :

    07.08.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / 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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