F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 9/18 (2006.01) B64D 29/00 (2006.01) F02K 1/54 (2006.01) F15D 1/10 (2006.01)
Patent
CA 2669280
The arrangement comprises a fan by-pass duct (32) located within the nacelle (34) and having an inlet (32a) and an outlet (32b). The outlet (32b) is generally oriented substantially radially and at an intermediary location along the nacelle (34). The nacelle (34) has an aft section with an initially convex and substantially outwardly extending surface (34a) adjacent to the outlet (32b) of the fan by-pass duct (32). The surface (34b) of the aft section decreases in curvature and becomes concave towards a rear end of the engine.
La présente invention concerne un agencement qui comprend un canal de dérivation de soufflante (32) situé dans la nacelle (34) et ayant un orifice d'entrée (32a) et un orifice de sortie (32b). L'orifice de sortie (32b) est généralement orienté sensiblement radialement et au niveau d'un emplacement intermédiaire le long de la nacelle (34). La nacelle (34) possède une section arrière avec une surface (34a) initialement convexe et s'étendant sensiblement vers l'extérieur qui est adjacente à l'orifice de sortie (32b) du canal de dérivation de soufflante (32). La surface (34b) de la section arrière a une courbure qui diminue et devient concave vers une extrémité arrière du moteur.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pratt & Whitney Canada Corp.
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