F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 9/04 (2006.01) F01D 5/18 (2006.01) F01D 25/24 (2006.01)
Patent
CA 2617826
The invention relates to a guide-vane arrangement (1) of a turbo-machine (4), in particular, a gas turbine. Said device comprises at least one guide vane support (2) which is secured to the housing (5) of a turbo-machine (4), several guide vanes (3) which are secured to the guide vane support (2) and are arranged adjacent to each other in the direction of the periphery. Each guide vane (3) comprises a platform (6) which comprises a first locking section (8) and a second locking section (9) which is arranged at an axial distance therefrom. The vane guide support (2) comprises a first support section (12) and the second support section (13) is arranged at an axial distance therefrom. Each locking section (8, 9) and the respective support section (12, 13) are embodied in such a manner that they provide an axially insertable and radial positive fit connection between the guide vane support (2) and the respective guide vane (3). At least one securing element (14) is secured to the guide vane support (2) and is embodied in such a manner that it forms an axial fixation for at least one of the guide vanes (3).
L'invention concerne un dispositif d'aube directrice (1) d'une turbomachine (4), notamment d'une turbine à gaz, ce dispositif comprenant au moins un support (2) d'aubes directrices, fixé à un carter (5) d'une turbomachine (4), plusieurs aubes directrices (3) fixées sur le support (2) et disposées l'une à côté de l'autre dans le sens périphérique. Chaque aube directrice (3) a une plate-forme (6) dotée d'un premier segment de verrouillage (8) et d'un deuxième segment de verrouillage (9) espacé dans l'axe. Le support (2) d'aubes directrices comporte un premier segment porteur (12) et un deuxième segment porteur (13) espacé dans l'axe. Chaque segment de verrouillage (8, 9) est conçu avec le segment porteur (12, 13) correspondant de manière à former une fixation par liaison de forme radiale enfichable dans l'axe entre le support (2) et l'aube directrice correspondante (3). Au moins un élément de sécurité (14) fixé sur le support (2) d'aubes directrices est conçu pour former une fixation axiale pour au moins une des aubes directrices (3).
Chekanov Alexander
Khanin Alexander
Alstom Technology Ltd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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