ANNULAR COMBUSTION CHAMBER GAS-AIR BURNER Russian patent published in 2024 - IPC F23R3/14 

FIELD: engines.

SUBSTANCE: gas-air burner of annular combustion chamber is intended for combustion of gas in combustion chambers of gas turbine engines. In the device, the splines in the splined nut are made triangular, the swirler contains an annular divider with a smooth entrance, nozzle comprises a hollow tract protrusion with an inlet channel and outlet holes on the chamfer, a groove is made in the hollow housing, in which a lock ring is installed, at the outlet of the hollow housing, a ceramic sprayer is installed, having a cylindrical part changing into an expansion, at the end of which there is an internal recess in which through holes are located, on cylindrical part of ceramic sprayer there is a groove in which a sealing ring is installed, flow passage area of the hole in the replaceable throttle washer in relation to the flow passage area in the holes on the swirler blades provides supply of 10 % of the gas to sprayer and 90 % of the gas to the swirler, replaceable throttle washer is installed behind gas supply channel to swirler blades.

EFFECT: increased completeness of fuel combustion; higher manufacturability; stable combustion process; absence of flame breakthrough inside the burner; reduction of emissions of harmful pollutants in all operating modes of the engine; reliability of operation; stable ignition.

1 cl, 1 dwg