Internal manifold air extraction system for IGCC combustor...

Details Internal manifold air extraction system for IGCC combustor... Internal manifold air extraction system for IGCC combustor...

2011-04-12

2011-04-12

Kim, Ted (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S785000, C060S752000

Reexamination Certificate

active

07921653

ABSTRACT:
A combustor for a turbine including a combustor liner; a first flow sleeve surrounding the combustor liner with a first flow annulus therebetween, the first flow sleeve having at least one cooling aperture formed about a circumference thereof for directing compressor discharge air as cooling air into the first flow annulus; a casing surrounding first flow sleeve with a second flow annulus therebetween, the first flow sleeve having at least one air extraction opening formed about a circumference thereof for directing compressor discharge air from the first flow annulus as extraction air into the second flow annulus; and an extraction port operatively coupled to the casing for extracting the extraction air from the second flow annulus.

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U.S. Application of Johnson et al.; U.S. Appl. No. 11/905,238, filed Nov. 28, 2007.

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