Nacelle comprising at least one surge trap

Details Nacelle comprising at least one surge trap Nacelle comprising at least one surge trap

B - Operations, Transporting

64

D

B64D 29/00 (2006.01) B64D 33/04 (2006.01) F01D 21/14 (2006.01)

Patent

CA 2696779

The invention relates to a nacelle for a turbojet engine, comprising a rear section forming an outer structure which defines, together with a concentric inner structure (4) comprising an inner panel (10) for surrounding a downstream part of the turbojet engine, an annular flow channel for a so-called secondary flow. The invention is characterised in that the exhaust means (11) are arranged in the inner panel in such a way that any inopportune surge is exhausted in the annular channel.

La présente invention se rapporte à une nacelle pour turboréacteur, du type comportant une section arrière consti-tutive d'une structure externe qui définit, avec une structure interne (4) concentrique comportant un panneau interne (10) destiné à entourer une partie aval du turboréacteur, un canal annulaire d'écoulement d'un flux dit secondaire, caractérisée en ce que des moyens d'échappement (11) sont ménagés dans le panneau interne de façon à ce que toute surpression intempestive soit évacuée dans le canal annulaire.

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