FIELD: mechanical engineering; gas-turbine engines. SUBSTANCE: device to deliver fuel into main combustion chamber of gas-turbine engine has small fuel nozzle and nozzle made in form of outer housing (sleeve) of small nozzle, and outer and inner air swirlers. Nozzle (sleeve), being of high flow- rate design, is held stationarily by spring, while blades of outer swirler are made turnable. EFFECT: enlarged range of steady burning, provision of stability of combustion process at increase of fuel consumption. 7 dwg
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