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Dry low NOx combustion system with pre-mixed direct-injection secondary fuel nozzle

United States Patent

December 17, 2013
View the Complete Patent at the US Patent & Trademark Office
A combustion system includes a first combustion chamber and a second combustion chamber. The second combustion chamber is positioned downstream of the first combustion chamber. The combustion system also includes a pre-mixed, direct-injection secondary fuel nozzle. The pre-mixed, direct-injection secondary fuel nozzle extends through the first combustion chamber into the second combustion chamber.
Zuo; Baifang (Simpsonville, SC), Johnson; Thomas (Greer, SC), Ziminsky; Willy (Simpsonville, SC), Khan; Abdul (Greenville, SC)
General Electric Company (Schenectady, NY)
12/ 465,805
May 14, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in this invention.