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US 2008/0155987 A1Published application
Methods and apparatus for low emission gas turbine energy generation
AssigneeGeneral Electric Company
InventorsThomas Charles Amond, Bradley Donald Crawley, Natesh Chandrashekar, Balan Nagarajan, Rebecca Arlene Feigl-Varela
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Abstract
A low-emission method for producing power using a gas turbine includes premixing a plurality of fuel and air mixtures, injecting the fuel and air mixtures into a combustion chamber using a plurality of fuel nozzles, and adjusting a ratio of fuel and air injected by at least one of the nozzles to control a fuel/air concentration distribution within the combustion chamber.
Claims9
1-22. (canceled)
A gas turbine comprising:
- a combustor having a at least one circular combustion chamber;
- at least one inner fuel nozzle configured to inject a premixed fuel/air mixture into the circular combustion chamber;
- a plurality of outer fuel nozzles arranged around the at least one inner fuel nozzle and configured to inject premixed fuel/air mixtures into the circular combustion chamber;
- and
- a set of manifolds configured to provide a richer fuel/air mixture to said at least one inner fuel nozzle than to said plurality of outer fuel nozzles.
2 more elements
Dependencies are inferred from the claim text.