ANNULAR COMBUSTION CHAMBER BURNER Russian patent published in 2025 - IPC F23R3/28 

FIELD: engines.

SUBSTANCE: invention relates to burner modules of combustion chambers of gas turbine engines operating mainly on gaseous fuel of various composition. Annular combustion chamber burner comprises a burner housing, a fuel injector flanged to the combustion chamber shell, the nozzle end is installed in the burner housing opening, burner housing is installed in ring head and fixed by threaded nut, between injector end and burner housing there is a sealing unit. Fuel injector comprises annular receiver with holes applied on inner wall, inner and outer nozzles in the form of cylinders, at the outlet of the inner nozzle there is a round sprayer with perforated holes, on the wall of the outer nozzle there are three rows of holes, annular channel is formed between the external and internal nozzles, the internal wall of the receiver contains an annular groove, in which a swirler is installed, having a streamlined central bushing, burner housing comprises annular collar to which a nozzle adapter is welded, the shape of which can be in the form of a diffuser, or a confuser, or a cylinder.

EFFECT: elimination of burner overheating, provision of low concentration of nitrogen oxides and carbon oxides, provision of high quality of fuel mixing with air, provision of uninterrupted air supply at the burner inlet, provision of high completeness of gas combustion.

1 cl, 1 dwg