Acoustic absorption system for an aircraft interior trim...

Details Acoustic absorption system for an aircraft interior trim... Acoustic absorption system for an aircraft interior trim...

B - Operations, Transporting

64

D

B64D 11/00 (2006.01)

Patent

CA 2592338

An acoustic absorption trim panel includes a composite core, a decoupler layer, and a mass barrier layer. By ensuring that the mass barrier layer remains limp in a limp area but in contact with the composite core through the decoupling layer, damping greater than that imparted in conventional construction is achieved.

L'invention concerne un panneau d'aménagement intérieur d~absorption acoustique comprenant un noyau composite, une couche de découplage et une couche barrière de masse. En s'assurant que la couche barrière de masse reste souple dans une zone souple mais en contact avec le noyau composite grâce à la couche de découplage, on obtient un amortissement supérieur à celui réalisé dans une construction conventionnelle.

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