Gas turbine engine with recirculating bleed

Details Gas turbine engine with recirculating bleed Gas turbine engine with recirculating bleed

F - Mech Eng,Light,Heat,Weapons

02

K

60/75, 60/81

F02K 3/04 (2006.01)

Patent

CA 1103942

13DV-6632 GAS TURBINE ENGINE WITH RECIRCULATING BLEED Abstract A method of reducing carbon monoxide and unburned hydrocarbon emissions in a gas turbine engine by bleeding hot air from the engine cycle and introducing it back into the engine upstream of the bleed location and upstream of the combustor inlet. As this hot inlet air is recycled, the combustor inlet temperature rises rapidly at a constant engine thrust level. In most combustors, this will reduce carbon monoxide and unburned hydrocarbon emissions significantly. The preferred locations for hot air extraction are at the compressor discharge or from within the turbine, whereas the preferred re-entry location is at the compressor inlet.

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