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Gas-Only Cartridge for a Premix Fuel Nozzle

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A gas-only cartridge for a fuel nozzle includes a flange that defines a plurality of apertures for receiving a gaseous fuel, an outer tube that is coupled to the flange and an inner tube that extends axially within the outer tube. The inner tube and the outer tube define a fuel passage therebetween and the fuel passage is in fluid communication with the plurality of apertures of the flange. A fuel distribution tip is disposed at a downstream end of the gas-only cartridge and defines a plurality of fuel ports circumferentially spaced along and annularly arranged about an outer surface of the fuel distribution tip. The fuel ports are in fluid communication with the fuel passage.
Cihlar, David William (Greenville, SC), Melton, Patrick Benedict (Horse Shoe, NC), York, William David (Greer, SC)
15/ 046,482
February 18, 2016
FEDERAL RESEARCH STATEMENT [0001] 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.