Air inlet shroud structure

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 33/02 (2006.01) B64D 29/06 (2006.01) F02C 7/045 (2006.01) F02K 1/82 (2006.01) F04D 29/66 (2006.01)

Patent

CA 2637901

The present invention relates to a nacelle for a turbojet, comprising an air inlet structure capable of channelling a flow of air to a turbojet fan and a middle structure (5) comprising a casing (9) designed to encircle said fan, with the air inlet structure attached to it, said structure having a peripheral inside surface at least partly equipped with a sound-attenuating structure (13) extending without geometrical interruption around at least part of the casing, said structure being characterized in that a gap (14) is provided between the sound-attenuating structure and the casing.

La présente invention se rapporte a une nacelle pour turboréacteur comprenant une structure d' entrée d'air apte a canaliser un flux d'air vers une soufflante du turboréacteur et une structure médiane (5) comportant un carter (9) destine a entourer ladite soufflante et auquel est rattache Ia structure d' entrée d'air, cette dernier présentant une surface intérieure périphérique au moins partiellement équipée d'une structure d' atténuation acoustique (13) s'étendant sans rupture géométrique sur au moins une partie du carter, caractérise en ce qu'un espace (14) est ménagé entre Ia structure d' atténuation acoustique et Ie carter.

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