Turbojet engine nacelle

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 29/08 (2006.01)

Patent

CA 2740490

The invention relates to a nacelle (1) for a turbojet engine (8) comprising: an air intake structure (4) able to channel a flow of air towards a fan (7) of the turbojet engine (8), comprising an air intake lip (21) upstream of the nacelle (1) and attached at its ends to an outer panel (25) and an inner panel (23); a central structure (5) intended to surround said fan (7) and to which the air intake structure (4) is attached in such a way as to ensure aerodynamic continuity, said central structure (5) comprising a secondary, or bypass, flow path outer ring section (11) intended to surround the engine and a central outer cowl (13), and a downstream section (6), the outer panel (25) comprising a moving part (25a) attached to the air intake lip (21) and extending downstream of the inner panel (23) and at least one fixed part (25b) fixed to the central structure (5) or to the downstream section (6) and intended to nest together with the moving part (25a) through their having complementary shapes.

L'invention concerne une nacelle (1) pour turboréacteur (8) comprenant : une structure d'entrée d'air (4) apte à canaliser un flux d'air vers une soufflante (7) du turboréacteur (8), comprenant une lèvre d'entrée d'air (21) en amont de la nacelle (1) rattachée à ses extrémités à un panneau externe (25) et un panneau interne (23); une structure médiane (5) destinée à entourer ladite soufflante (7) et à laquelle est rattachée la structure d'entrée d'air (4) de manière à assurer une continuité aérodynamique, ladite structure médiane (5) comprenant une virole externe du canal du flux secondaire (11) destinée à entourer le moteur et un capot externe médian (13), et une section aval (6), le panneau externe (25) comprenant une partie mobile (25a) rattachée à la lèvre d'entrée d'air (21 ) et s'étendant en aval du panneau interne (23), et au moins une partie fixe (25b) fixée à la structure médiane (5) ou à la section aval (6) et destinée à s'emboîter avec la partie mobile (25a) par complémentarité de forme.

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