Split ring for tip clearance control

Details Split ring for tip clearance control Split ring for tip clearance control

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 11/08 (2006.01)

Patent

CA 2397613

A tip clearance control device for a gas turbine engine having a shroud (20) surrounding a stage of rotor blades (24). The tip clearance control device comprises a one-piece split ring having opposed overlapping end portions (26-27). The split ring is directly supported onto the inner surface (46) of the shroud and is adapted to automatically adjust for thermal growth of the shroud during engine operation.

Un dispositif de régulation de jeu d'extrémité pour moteur à turbine à gaz comprend une enveloppe (20) entourant un étage d'ailettes de rotor (24). Le dispositif de régulation de jeu d'extrémité comporte une bague fendue en une seule pièce dotée de parties d'extrémité opposées se chevauchant (26-27). La bague fendue est directement portée sur la surface interne (46) de l'enveloppe et est conçue pour s'adapter automatiquement à la croissance thermique de l'enveloppe lors du fonctionnement du moteur.

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