F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/48 (2006.01) F02K 1/38 (2006.01)
Patent
CA 2761510
The invention relates to an annular cowling (14) for the nozzle (10) of a turbine engine, comprising a plurality of patterns (26) arranged as an extension of the trailing edge (14a) of the cowling and circumferentially spaced apart from each other. Each pattern has an outline with a substantially polygonal shape, with a base (26a) defined by a portion of the trailing edge of the cowling and at least one vertex (26b) spaced apart downstream from the base and connected thereto by side edges (26c), and includes at least one blade (28) at each of the side edges thereof, each blade being radially inclined relative to the pattern along a plane inclined at an angle of between 0° and 45° relative to the radial direction.
L'invention concerne un capot annulaire (14) pour tuyère (10) de turbomachine comportant une pluralité de motifs (26) disposés dans le prolongement d'un bord de fuite (14a) du capot et espacés circonférentiellement les uns des autres. Chaque motif a un contour de forme sensiblement polygonale avec une base (26a) formée par une partie du bord de fuite du capot et au moins un sommet (26b) espacé vers l'aval de la base et raccordé à celle-ci par des bords latéraux (26c), et comporte, au niveau de chacun de ses bords latéraux, au moins une ailette (28), chaque ailette étant inclinée radialement par rapport au motif suivant un plan incliné d'un angle compris entre 0° et 45° par rapport à une direction radiale.
Quarin Benedetta
Zeggai Kamel
Goudreau Gage Dubuc
Snecma
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