Method and apparatus for turbomachine active clearance control

Details Method and apparatus for turbomachine active clearance control Method and apparatus for turbomachine active clearance control

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/22 (2006.01) F01D 11/20 (2006.01)

Patent

CA 2481971

An apparatus for providing active clearance control between blade tips and seals in a turbomachine comprising: a first stator carrier segment (30), with stator seals (24) centripetally disposed on it; a second stator carrier segment (32) located along a same circumference as the first stator carrier segment (30), also with stator seals (24) centripetally disposed on it; a shell (10) that adjustably houses the first stator carrier segment (30) and the second carrier segment (32); at least one displacement apparatus (34) in operable communication with at least one stator carrier segment (12) and configured to position the at least one stator carrier segment (12) to provide active clearance control to the stator seals (24) disposed on the at least one stator carrier segment (12).

Un appareil visant à garantir un contrôle actif de l'espace libre entre les pointes de lame et les joints à l'intérieur d'une turbomachine, constitué des éléments suivant : un premier segment de support de stator (30), équipé de joints de stator (24) disposés sur le support de manière centripète; un second segment de support de stator (32) le long de la même circonférence que le premier segment (30), également équipé de joints de stator (24) disposés sur le support de manière centripète; une enveloppe de protection (10) qui peut être ajustée pour contenir le premier segment (30) et le second segment (32); au moins un appareil de déplacement (34) en communication fonctionnelle avec au moins un des segments de support des stators (12) et configuré pour positionner au moins l'un des segments (12) de manière à fournir un contrôle actif de l'espace libre pour les joints de stator (24) équipant le segment concerné (12).

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