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Title:
COMPRESSOR ENDWALL BLEED SYSTEM
Document Type and Number:
WIPO Patent Application WO1999051866
Kind Code:
A3
Abstract:
A compression system endwall bleed system having a plurality of bleed slots (41) formed in a mechanical housing (38) downstream of a rotating shrouded rotor (35). In one embodiment, the plurality of bleed slots (41) bleed off a separated tip boundary layer to relieve back pressure associated with this blockage. A sealing structure (47, 48) downstream of the shrouded rotor (35) is utilized to minimize working fluid leakage ahead of the plurality of bleed slots (41).

Inventors:
RESS ROBERT A JR (US)
HANSEN JEFFREY L (US)
Application Number:
PCT/US1999/004319
Publication Date:
July 19, 2001
Filing Date:
February 26, 1999
Export Citation:
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Assignee:
ALLISON ADVANCED DEV CO (US)
RESS ROBERT A JR (US)
HANSEN JEFFREY L (US)
International Classes:
F02K3/04; F01D5/02; F01D5/14; F02K3/075; F04D27/02; F04D29/56; F04D29/68; (IPC1-7): F01B25/00
Foreign References:
US5531565A1996-07-02
US2738921A1956-03-20
US4969326A1990-11-13
US3262635A1966-07-26
US4419045A1983-12-06
US3966355A1976-06-29
US4156344A1979-05-29
US3632223A1972-01-04
US3945759A1976-03-23
US3597106A1971-08-03
US3142438A1964-07-28
US2693904A1954-11-09
US2520697A1950-08-29
US2848156A1958-08-19
US4362465A1982-12-07
US2958456A1960-11-01
US2192229A1940-03-05
FR1012339A1952-07-08
Other References:
See also references of EP 1147291A4
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