F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/22 (2006.01)
Patent
CA 2660368
The invention relates to an arrangement for optimising the running clearance for axial type turbomachines by controlling or regulating the inner diameter, that corresponds to the running clearance, of at least one stator structure surrounding a rotor blade ring. Said stator structure comprises one closed inner ring, one outer ring that is arranged at a concentric and radial distance in relation to said inner ring, and several links that are inclined in relation to the radial direction in the direction of the periphery, integrally connecting the inner ring to the outer ring. Said arrangement comprises an adjusting device for rotating the inner ring in relation to the outer ring by elastically modifying the inner diameter that corresponds to the running clearance.
L'invention concerne un ensemble destiné à optimiser le jeu fonctionnel pour des turbomachines de construction axiale grâce à la commande et à la régulation du diamètre interne, qui correspond au jeu fonctionnel d'au moins une structure de stator entourant la couronne des aubes mobiles. La structure de stator comprend une aube interne fermée, une aube externe espacée de manière radiale et concentrique par rapport à l'aube interne, et plusieurs éléments de liaison qui sont inclinés par rapport au sens radial vers la périphérie, et qui permettent de relier intégralement l'aube interne et l'aube externe. Ledit ensemble comprend un dispositif de réglage permettant la rotation de l'aube interne par rapport à l'aube externe grâce à la modification élastique du diamètre interne correspondant au jeu fonctionnel.
Marks & Clerk
Mtu Aero Engines Gmbh
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