F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/170, 60/174
F02C 3/14 (2006.01) F23R 3/04 (2006.01) F23R 3/34 (2006.01)
Patent
CA 1070965
PARALLEL STAGED FUEL COMBUSTION SYSTEM Abstract of the Disclosure Combustion apparatus for a gas turbine engine includes two separate combustion zones; one having a first air flow thereto defined by a plurality of holes in com- bustion apparatus liner; the second zone has air flow thereto through a second plurality of holes in the com- bustion apparatus liner. Parallel fuel injectors supply fuel into the respective zones and include a wide angle fuel flow nozzle that supplies fuel to the pilot zone of combustion and a narrow cone fuel injector that directs fuel through the pilot zone without combustion and into a downstream main combustion region where the fuel is then burned with air flow through the second plurality of holes to produce a staged combustion of air fuel in the combustion apparatus to achieve high combustion efficiency over a broad range of fuel/air ratios as well as more uniform combustor outlet temperatures and low smoke output.
284710
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