US 12,486,982 B2
Combustor having a main chamber and one or more trapped vortex cavities
Pradeep Naik, Bengaluru (IN); Clayton S. Cooper, Loveland, OH (US); Perumallu Vukanti, Bengaluru (IN); Michael A. Benjamin, Cincinnati, OH (US); Steven C. Vise, Loveland, OH (US); and Sripathi Mohan, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Evendale, OH (US)
Filed by General Electric Company, Evendale, OH (US)
Filed on Nov. 15, 2024, as Appl. No. 18/949,096.
Application 18/949,096 is a division of application No. 18/453,500, filed on Aug. 22, 2023, granted, now 12,152,779.
Prior Publication US 2025/0075911 A1, Mar. 6, 2025
Int. Cl. F23R 3/16 (2006.01); F23L 7/00 (2006.01)
CPC F23R 3/16 (2013.01) [F23L 7/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A combustor for a turbine engine, the combustor comprising:
a main chamber including an outer liner and an inner liner;
one or more trapped vortex cavities extending from at least one of the outer liner or the inner liner;
a plurality of mixing assemblies configured to inject fuel and air into the one or more trapped vortex cavities to generate a fuel-air mixture in the one or more trapped vortex cavities, the combustor configured to combust the fuel-air mixture to produce combustion gases in the one or more trapped vortex cavities, the one or more trapped vortex cavities providing the combustion gases to the main chamber; and
a steam system in fluid communication with the main chamber, the steam system including one or more steam injectors, wherein the one or more steam injectors are in flow communication with the plurality of mixing assemblies, and at least one of the one or more steam injectors configured to provide steam to at least one of the one or more trapped vortex cavities to supply the steam to the combustor, to reduce nitrogen oxide emissions and to reduce a specific fuel consumption of the turbine engine.