Shock-absorbing inner lining

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 21/04 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01) F16F 1/36 (2006.01) F16F 1/376 (2006.01) F16F 3/08 (2006.01) F16F 9/30 (2006.01) B60R 21/00 (2006.01)

Patent

CA 2257893

Inner lining (1) with numerous shock-absorbing elements (7) distributed over the entire surface, which are decoupled from the vehicle component (3) with the help of a decoupling layer (9). A spring layer (8) is installed between these light-weight shock-absorbing elements (7), which acts in conjunction with a heavy-weight layer (2) on the passenger-compartment side as an acoustically active spring-mass system. In the preferred embodiment, a pneumatic spring is to be used as the spring layer (8). The shock-absorbing elements (7) occupy roughly 40 % to 60 % of the entire surface.

L'invention concerne un habillage intérieur (1) pourvu d'une pluralité d'éléments amortissant les chocs (7) répartis sur toute la surface, qui sont désaccouplés de la partie (3) du véhicule au moyen d'une couche de désaccouplement (9). Une couche faisant ressort (8) est placée entre lesdits éléments amortissant les chocs (7) légers, couche qui coopère avec une couche lourde (2), située du côté habitacle, pour former un système ressort-masse acoustiquement actif. Dans le mode de réalisation préféré, un ressort pneumatique est utilisé pour constituer la couche faisant ressort (8). Les éléments amortissant les chocs (7) occupent environ 40 % à 60 % de la surface totale.

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