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Flame holding tolerant fuel and air premixer for a gas turbine combustor

United States Patent

November 20, 2012
View the Complete Patent at the US Patent & Trademark Office
A fuel nozzle with active cooling is provided. It includes an outer peripheral wall, a nozzle center body concentrically disposed within the outer wall in a fuel and air pre-mixture. The fuel and air pre-mixture includes an air inlet, a fuel inlet and a premixing passage defined between the outer wall in the center body. A gas fuel flow passage is provided. A first cooling passage is included within the center body in a second cooling passage is defined between the center body and the outer wall.
York; William David (Greer, SC), Johnson; Thomas Edward (Greer, SC), Ziminsky; Willy Steve (Simpsonville, SC)
General Electric Company (Schenectady, NY)
12/ 256,901
October 23, 2008
FEDERAL RESEARCH STATEMENT This invention was made with the Government support under Contract No. DE-FC26-05NT42643, awarded by the Department of Energy. The Government has certain rights in this invention.