Sound absorption system for automotive vehicles

Details Sound absorption system for automotive vehicles Sound absorption system for automotive vehicles

Category

B - Operations, Transporting

Subcategory

60

Subsubcategory

R

IPC codes

B60R 13/08 (2006.01)

Type

Patent

Patent number

CA 2410598

Description

An automotive vehicle sound absorption system. An expandable material (20), such as an polymer-based foam, is disposed on a surface of a wall (22). Upon activation, the foam transforms, preferably during an automobile assembly operation, and remains bonded to surface for sound absorption.

L'invention concerne un système d'absorption acoustique pour un véhicule automobile. Un matériau extensible (20), tel que de la mousse à base de polymère, est placé sur une surface d'une paroi (22). Lorsqu'elle est activée, la mousse se transforme, de préférence pendant l'assemblage du véhicule automobile, puis elle reste fixée à la surface afin d'absorber les sons.

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