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Fuel nozzle assembly

United States Patent

August 30, 2011
View the Complete Patent at the US Patent & Trademark Office
A fuel nozzle assembly is provided. The assembly includes an outer nozzle body having a first end and a second end and at least one inner nozzle tube having a first end and a second end. One of the nozzle body or nozzle tube includes a fuel plenum and a fuel passage extending therefrom, while the other of the nozzle body or nozzle tube includes a fuel injection hole slidably aligned with the fuel passage to form a fuel flow path therebetween at an interface between the body and the tube. The nozzle body and the nozzle tube are fixed against relative movement at the first ends of the nozzle body and nozzle tube, enabling the fuel flow path to close at the interface due to thermal growth after a flame enters the nozzle tube.
Johnson; Thomas Edward (Greer, SC), Ziminsky; Willy Steve (Simpsonville, SC), Lacey; Benjamin Paul (Greer, SC), York; William David (Greer, SC), Stevenson; Christian Xavier (Inman, SC)
General Electric Company (Schenectady, NY)
12/ 249,158
October 10, 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.