F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
F02F 7/00 (2006.01) F23R 3/04 (2006.01) F23R 3/16 (2006.01) F23R 3/34 (2006.01)
Patent
CA 2089296
DILUTION POLE COMBUSTOR AND METHOD ABSTRACT OF THE DISCLOSURE An annular combustor includes a plurality of circumferentially spaced, radially extending dilution poles disposed in an intermediate zone thereof between a forward combustion zone and an aft combustion zone. Adjacent ones of the dilution poles define therebetween a throat for receiving the combustion gases from the forward zone. The dilution poles includecircumferentially facing dilution holes for injecting dilution air into the throats for mixing with the combustion gases being channeled therethrough. The dilution poles are effective for blocking the combustion gases at a plurality of circumferentially spaced apart locations and accelerating the combustion gases through the throats for reducing residence time in the throat. The dilution air is injected through the dilution holes for improved penetration into the combustion gases in the throats for mixing therewith to form lean combustion gases which undergo final combustion in the aft zone for reducing NOx emissions.
Cook George Edward
Dodds Willard James
Holloway Gary Mac
Loconti Craig Louis
Sabla Paul Edward
Company General Electric
Craig Wilson And Company
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