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Methods and systems to facilitate reducing NO.sub.x emissions in combustion systems

United States Patent

February 15, 2011
View the Complete Patent at the US Patent & Trademark Office
A method for assembling a gas turbine combustor system is provided. The method includes providing a combustion liner including a center axis, an outer wall, a first end, and a second end. The outer wall is orientated substantially parallel to the center axis. The method also includes coupling a transition piece to the liner second end. The transition piece includes an outer wall. The method further includes coupling a plurality of lean-direct injectors along at least one of the liner outer wall and the transition piece outer wall such that the injectors are spaced axially apart along the wall.
Lacy; Benjamin Paul (Greer, SC), Kraemer; Gilbert Otto (Greer, SC), Varatharajan; Balachandar (Clifton Park, NY), Yilmaz; Ertan (Albany, NY), Lipinski; John Joseph (Simpsonville, SC), Ziminsky; Willy Steve (Simpsonville, SC)
General Electric Company (Schenectady, NY)
11/ 741,502
April 27, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under DE-FC26-05NT42643 awarded by the Department of Energy ("DOE"). The Government has certain rights in this invention