Fuel nozzle with eccentric primary circuit orifice

Details Fuel nozzle with eccentric primary circuit orifice Fuel nozzle with eccentric primary circuit orifice

1992-11-17

1993-12-07

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 39142, F23R 314

Patent

active

052674428

ABSTRACT:
The orifice of the primary circuit on a dual circuit fuel nozzle for a combustor of a gas turbine engine is eccentrically located at the nozzle tip to inject fuel directly toward the prefilming surface of the air swirler and located in proximity to the igniter to enhance ignition. In another embodiment the fuel nozzles circumferentially spaced around the dome of the combustor include the eccentric orifice of the primary circuit to enhance lean blowout characteristics.

REFERENCES:
patent: 2881827 (1959-04-01), Roche et al.
patent: 4970865 (1990-11-01), Shekelton et al.

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