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.
Noise reduction member and system
Element und System zur Geräuschverminderung
Membre et système de réduction du bruit
07.08.2019
Patent
Elektronische Ressource
Englisch
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 |
Noise reduction member and solenoid valve for brake system having noise reduction member
Europäisches Patentamt | 2024
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