Air intake structure for an aircraft nacelle

F - Mech Eng,Light,Heat,Weapons – 02 – C

Patent

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Details

IPC codes

F02C 7/047 (2006.01) B64D 15/04 (2006.01) B64D 33/02 (2006.01)

Type

Patent

Patent number

CA 2713471

Description

The invention relates to an air intake structure capable of being mounted upstream of a central structure of a nacelle for an aircraft engine, the said air intake structure comprising: - an external wall incorporating a lip, - an upstream partition (108) defining, with the external wall, a deicing compartment (103) in the said lip and comprising an orifice, - a hot air supply device (105) intended to supply the deicing compartment (103) with hot air, the said device (105) comprising a hot air supply tube (107) and a peripheral sealing element (109) surrounding the said supply tube (107), the hot air supply tube (107) having an elbowed free end (111), the orifice (113) in the upstream partition being configured to allow the free end (111) to pass along the main axis (115) of the supply tube, and the sealing element (109) comprising a contact plate (121) surrounding the said tube (107) so as to provide sealing at the upstream partition (108). A further subject of the invention is a nacelle for an aircraft engine comprising such an air intake structure.

L'invention concerne a pour objet une structure d'entrée d'air apte à être montée en amont d'une structure médiane d'une nacelle pour un moteur d'un aéronef, ladite structure d'entrée d'air comprenant : - une paroi externe intégrant une lèvre, - une cloison amont (108) définissant avec la paroi externe un compartiment de dégivrage (103) dans la dite lèvre et comprenant un orifice, - un dispositif d'alimentation en air chaud (105) destiné à alimenter le compartiment de dégivrage (103) en air chaud, ledit dispositif (105) comprenant un tube d'alimentation en air chaud (107) et un élément d'étanchéité périphérique (109) entourant ledit tube d'alimentation(107), le tube d'alimentation en air chaud (107) comportant une extrémité libre (111 ) coudée, l'orifice (113) de la cloison amont étant configuré pour permettre le passage de l'extrémité libre (111 ) selon l'axe principal (115) du tube d'alimentation, et l'élément d'étanchéité (109) comportant une platine de contact (121 ) entourant ledit tube (107) de sorte à assurer l'étanchéité au niveau de la cloison amont (108). L'invention a également pour objet une nacelle pour un moteur d'un aéronef comprenant une telle structure d'entrée d'air.

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