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Combustor nozzles in gas turbine engines

United States Patent

September 12, 2017
View the Complete Patent at the US Patent & Trademark Office
A micro-mixer nozzle for use in a combustor of a combustion turbine engine, the micro-mixer nozzle including: a fuel plenum defined by a shroud wall connecting a periphery of a forward tube sheet to a periphery of an aft tubesheet; a plurality of mixing tubes extending across the fuel plenum for mixing a supply of compressed air and fuel, each of the mixing tubes forming a passageway between an inlet formed through the forward tubesheet and an outlet formed through the aft tubesheet; and a wall mixing tube formed in the shroud wall.
Johnson; Thomas Edward (Greer, SC), Keener; Christopher Paul (Denver, NC), Stewart; Jason Thurman (Greer, SC), Ostebee; Heath Michael (Piedmont, SC)
General Electric Company (Schenectady, NY)
14/ 448,321
July 31, 2014
FEDERAL RESEARCH STATEMENT This invention was made with Government support under Contract No. DE-FC26-05NT42643, awarded by the Department of Energy. The Government has certain rights in the invention.