F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 9/18 (2006.01) F01D 5/02 (2006.01) F01D 5/14 (2006.01) F02K 3/075 (2006.01) F04D 27/02 (2006.01) F04D 29/68 (2006.01)
Patent
CA 2321640
A compression system endwall bleed system having a plurality of bleed slots formed in a mechanical housing downstream of a rotating shrouded rotor. In one embodiment, the plurality of bleed slots bleed off a separated tip boundary layer to relieve back pressure associated with this blockage. A sealing structure downstream of the shrouded rotor is utilized to minimize working fluid leakage ahead of the plurality of bleed slots.
L'invention concerne un système de purge de paroi d'extrémité d'un système de compression, comprenant une pluralité de fentes de purge situées dans un logement mécanique, en aval d'un rotor rotatif caréné. Selon un mode de réalisation, la pluralité de fentes de purge purge une couche limite séparée d'extrémité de manière à relâcher la pression associée au blocage. On utilise une structure d'étanchéité en aval du rotor caréné, pour réduire une fuite de liquide de travail en avant de la pluralité desdites fentes de purge.
Hansen Jeffrey L.
Ress Robert A. Jr.
Allison Advanced Development Company
Smart & Biggar
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