Blade for a turbomachine blade wheel with a channel for coolant

F - Mech Eng,Light,Heat,Weapons – 01 – D

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Details

F01D 5/18 (2006.01)

Patent

CA 2652679

Aube (10) pour roue à aubes (100) de turbomachine, comportant un profilé aérodynamique (12) et une plateforme (60) avec au moins un passage d'injection d'air (16), dont la plateforme (60) comporte une rainure (40,140,240) longeant l'intrados (56) au voisinage au moins d'une partie aval (57) de celui-ci, au moins un passage d'injection d'air étant aménagé dans cette rainure. Grâce à la présence de cette rainure, le flux d'air injecté par le(s) passage(s) d'injection d'air est cantonné au voisinage de l'intrados, et assure ainsi un refroidissement efficace de la partie aval de celui-ci.

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