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Combustor With Multiple Combustion Zones With Injector Placement for Component Durability

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A combustion system including a combustor; a combustor liner disposed within the combustor is provided. At least one primary fuel nozzle is provided to provide fuel to a primary combustion zone disposed proximate to the upstream end of the combustor liner. A transition duct is coupled to the downstream end of the combustor liner. A secondary nozzle assembly is disposed proximate to the downstream end of the combustor to provide fuel to a secondary combustion zone at locations predetermined to reduce peak thermal loads on the surface area of the transition duct.
DiCintio, Richard Martin (Simpsonville, SC), Chen, Wei (Greer, SC), Melton, Patrick Benedict (Horse Shoe, NC), Stoia, Lucas John (Taylors, SC), Hadley, Mark Allan (Greer, SC)
13/ 485,110
May 31, 2012
STATEMENT OF FEDERALLY SPONSORED RESEARCH [0001] This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department Of Energy. The Government has certain rights in this invention.