The invention relates to an An acoustic protection system for a motor vehicle has two walls extending opposite each other; an elastically compressible acoustic decoupling layer arranged in compression at least along its periphery between the walls, the layer having two opposing faces pressed respectively against each of the walls, the faces being connected to each other by an edge, the layer being enclosed in a bag made from plastic film closed so as to form a sealed barrier on the edge, at least one air passage hole being provided in the bag opposite at least one of the faces, the hole being arranged at a distance from the edge so as to provide, around the hole, a seal created by the bag bearing on the corresponding wall.
SYSTÈME DE PROTECTION ACOUSTIQUE POUR VÉHICULE AUTOMOBILE
ACOUSTIC PROTECTION SYSTEM FOR A MOTOR VEHICLE
SCHALLSCHUTZSYSTEM FÜR EIN KRAFTFAHRZEUG
2024-03-06
Patent
Electronic Resource
French
SYSTÈME DE PROTECTION ACOUSTIQUE POUR VÉHICULE AUTOMOBILE
European Patent Office | 2021
|Système de protection acoustique pour véhicule automobile
European Patent Office | 2022
|Système de protection acoustique pour véhicule automobile
European Patent Office | 2022
|Système de protection acoustique pour pare-boue de véhicule automobile
European Patent Office | 2021
|SYSTEME DE PROTECTION ACOUSTIQUE POUR PARE-BOUE DE VEHICULE AUTOMOBILE
European Patent Office | 2020
|