Compressor stator blade and compressor rotor blade

Details Compressor stator blade and compressor rotor blade Compressor stator blade and compressor rotor blade

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/16 (2006.01) F04D 29/54 (2006.01)

Patent

CA 2669061

A compressor stator blade (10) includes a seal mechanism (12) configured to hermetically seal a part between a radial inner end on the upstream side and an outer surface of a rotary body, and a remainder part on the downstream side of the seal mechanism includes a hub clearance (14) between the outer surface of the rotary body and itself. Additionally, a compressor rotor blade (20) includes a seal mechanism (22) configured to hermetically seal a part between a radial outer end on the upstream side and an inner surface of a stationary body, and a remainder part on the downstream side of the seal mechanism includes a tip clearance (24) between the inner surface of the stationary body and itself.

L'invention concerne une aube de stator (10) d'un compresseur, qui comprend un mécanisme d'étanchéité (12) pour une étanchéité à l'air entre le côté en amont de l'extrémité interne radiale et la surface externe d'un corps rotatif. La partie restante du mécanisme d'étanchéité sur le côté en aval a un jeu de moyeu (14) entre la surface externe du corps rotatif et lui-même. Une aube de rotor (20) du compresseur comprend un mécanisme d'étanchéité (22) pour une étanchéité à l'air entre le côté en amont de l'extrémité externe radiale et la surface interne d'un corps immobile. La partie restante du mécanisme d'étanchéité sur le côté en aval a un jeu à l'extrémité (24) entre la surface interne du corps immobile et elle-même.

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