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US 12,590,561 B2Granted
Combustor with lean openings
AssigneeGeneral Electric Company
InventorsMichael T. Bucaro, Manampathy G. Giridharan, Pradeep Naik, Sripathi Mohan, Michael A. Benjamin, Steven C. Vise, Ajoy Patra, Perumallu Vukanti, R Narasimha Chiranthan
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Abstract
A turbine engine and method of operation with a combustor as shown and described. The turbine engine including a combustor comprising an annular array of rich cups and an annular array of lean cups. A method for controlling nitrogen oxides including injecting a fuel/air mixture from the lean cups and the rich cups.
Claims18
A gas turbine engine comprising:
- a compressor section, a combustion section, and a turbine section in serial flow arrangement and collectively defining an engine centerline, the combustion section comprising:
- a combustor liner at least partially defining a combustion chamber;
- a plurality of spaced rich cups fluidly coupled to the combustion chamber;
- a plurality of lean cups interspersed amongst the spaced rich cups;
- a dome wall coupled to the combustor liner further defining the combustion chamber, with the plurality of lean cups located in the dome wall;
- and
- a fuel chamber defined by the dome wall and fluidly coupled to at least one lean cup of the plurality of lean cups.
4 more elements
Dependencies are inferred from the claim text.