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Methods and systems to thermally protect fuel nozzles in combustion systems

United States Patent

December 17, 2013
View the Complete Patent at the US Patent & Trademark Office
A method of assembling a gas turbine engine is provided. The method includes coupling a combustor in flow communication with a compressor such that the combustor receives at least some of the air discharged by the compressor. A fuel nozzle assembly is coupled to the combustor and includes at least one fuel nozzle that includes a plurality of interior surfaces, wherein a thermal barrier coating is applied across at least one of the plurality of interior surfaces to facilitate shielding the interior surfaces from combustion gases.
Helmick; David Andrew (Fountain Inn, SC), Johnson; Thomas Edward (Greer, SC), York; William David (Greer, SC), Lacy; Benjamin Paul (Greer, SC)
General Electric Company (Schenectady, NY)
12/ 495,918
July 1, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT 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 this invention.