Sound absorbing element and method for producing a sound...

Details Sound absorbing element and method for producing a sound... Sound absorbing element and method for producing a sound...

B - Operations, Transporting

64

C

B64C 1/40 (2006.01)

Patent

CA 2615590

The present invention relates to a sound absorbing element (1), to a method for producing such a sound absorbing element (1), as well as to an aircraft in which at least one component is designed in the form of such a sound absorbing element (1). The sound absorbing element (1) according to the invention comprises a first wall area (2), a second wall area (3) as well as a plurality of spring elements (4). In this arrangement the first wall area (2) and the second wall area (3) are arranged so as to be spaced apart by a clear space (7), in which the plurality of spring elements (4) are arranged which connect the first wall area (2) and the second wall area (3) to each other. In order to achieve the best possible decoupling of the first wall area (2) from the second wall area (3) the spring elements (4) are pre-tensioned.

La présente invention concerne un élément insonorisant (1), un procédé pour produire un tel élément insonorisant (1), ainsi qu'un avion dans lequel au moins un composant est conçu sous la forme d'un tel élément insonorisant (1). L'élément insonorisant (1) selon l'invention comprend une première zone de paroi (2), une seconde zone de paroi (3) ainsi qu'une pluralité d'éléments de ressorts (4). Dans cet agencement, la première zone de paroi (2) et la seconde zone de paroi (3) sont agencées pour être espacées par un espace dégagé (7), dans lequel la pluralité d'éléments de ressorts (4) est agencée pour raccorder la première zone de paroi (2) et la seconde zone de paroi (3) l'une à l'autre. Afin d'obtenir le meilleur découplage possible de la première zone de paroi (2) à partir de la seconde zone de paroi (3), les éléments de ressorts (4) sont pré-tendus.

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