F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/14 (2006.01)
Patent
CA 2730892
A method for varying the aerodynamic shape of a blade (22, 24) of a gas turbine provides for this blade to be provided with a coating (42) made of a shape- memory alloy. Hot air (36) is transported via channels (32) to the coated blade (22, 24) in order to cause a phase change in the coating (42) and an aerodynamic shape change to the blade (22, 24).
L'invention concerne un procédé de modification de la forme aérodynamique d'une aube (22, 24) d'une turbine à gaz, lequel procédé consiste à munir cette aube d'un revêtement (42) constitué d'un alliage à mémoire de forme. Selon le procédé, de l'air chaud (36) est apporté à l'aube enduite (22, 24) par l'intermédiaire de canaux (32), de sorte qu'un changement de phase du revêtement (42) et une modification de la forme aérodynamique de l'aube (22, 24) soient occasionnés.
Millman Ip
Mtu Aero Engines Gmbh
LandOfFree
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