F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/22 (2006.01) F01D 5/20 (2006.01) F01D 11/02 (2006.01) F01D 11/08 (2006.01)
Patent
CA 2448802
The turbine blade comprises a heel (6) on the external peripheral end thereof on the outer side of which at least one sealing element is formed (12), having a first end portion (16) and a second end portion (20), in addition to a summit (26) lying between both end portions. The first portion (16) is located on the top side of the blade at a level which is higher than that of the second portion (20) in order to form saw toothing between the sealing elements (12) of two neighbouring blades mounted on the rotor of a turbine. The summit (26) of the sealing elements has a convex surface between the first portion (16) and the second portion (20).
L'aube de turbine comporte un talon (6) à son extrémité périphérique externe sur la face externe duquel est formé au moins une léchette (12) ayant une première portion d'extrémité (16) et une deuxième portion d'extrémité (20), et un sommet de léchette (26) entre les deux portions d'extrémité. La première portion (16) située côté extrados de l'aube a une hauteur plus importante que celle de la deuxième portion (20) pour former des dents de scie entre les léchettes (12) de deux aubes voisines montées sur un rotor de turbine. Le sommet (26) des léchettes présente une surface convexe entre la première portion (16) et la deuxième portion (20).
Giot Chantal
Soupizon Jean-Luc
Goudreau Gage Dubuc
Snecma
Snecma Moteurs
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