Low emission combustion system for a gas turbine engine

Details Low emission combustion system for a gas turbine engine Low emission combustion system for a gas turbine engine

F - Mech Eng,Light,Heat,Weapons

23

R

F23R 3/26 (2006.01) F02C 3/14 (2006.01)

Patent

CA 2113081

2113081 9400717 PCTABS00030 The present system (12) reduces the formation of NOx within the combustion zone by controlling the air/fuel ratio and more explicitly by controlling the air portion of the air/fuel ratio. The present system (12) includes a system (560) for directing a portion of the flow of compressed air exiting a compressor section (22) into an injection nozzle (66, 190, 430) and a device (598) for controllably varying the quantity of compressed air directed into the injection nozzle (66, 190, 430) and into the combustor (40). The system (12) monitors an engine (10) parameter, such as a power turbine (30) inlet gas temperature, sends a signal to a computer (614) which interprets the signal and directs a second signal to a power cylinder (620) which causes a throttling mechanism (588) to move between an open position (596) and a closed position (594) varying the flow rate of compressor air to the combustor (40) depending on the temperature of the gases.

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