B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 23/00 (2006.01) B64D 29/00 (2006.01) F01D 25/28 (2006.01) F15D 1/08 (2006.01) F15D 1/10 (2006.01)
Patent
CA 2666190
The nacelle drag reduction device (22) comprises a substantially circular and axis symmetrical external airfoil (24) concentric with a aft section of the nacelle (20) and located outside a propulsive jet zone (30) defined behind the engine (10) when operating, the airfoil (24) being positioned at a location providing a maximum streamline angle with reference to the main axis (26) of the engine (10) and a highest streamline curvature.
L'invention concerne un dispositif de réduction de traînée de nacelle (22) qui comprend un plan de sustentation (24) externe sensiblement circulaire à symétrie axiale, concentrique à une section arrière de la nacelle (20) et situé à l'extérieur d'une zone de jet de propulsion (30) définie derrière le moteur (10) lors du fonctionnement, le plan de sustentation (24) étant positionné à un emplacement où il forme un angle aérodynamique maximal par rapport à l'axe principal (26) du moteur (10) et à une courbure aérodynamique la plus élevée.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pratt & Whitney Canada Corp.
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