ADJUSTABLE ANNULAR COMBUSTION CHAMBER Russian patent published in 2021 - IPC F23R3/26 F23R3/50 

FIELD: gas industry.

SUBSTANCE: present invention relates to gas turbine engine building, in particular, to the design of combustion chambers of gas turbine engines, ground gas turbine engines used as a drive for a blower of a gas compressor unit or an electric generator. Disclosed is an adjustable annular combustion chamber. It consists of a diffuser (1), an outer casing (4), an inner casing (8), a flame tube (6) with outer (5) and inner (9) walls, a front device (11) with burners (10). An annular channel (18) is made at the outlet of the diffuser (1). There are rotary blades (13) with a rotary device in the annular channel. There is a spline connection with an adapter (15) on the output shaft of the drive. The adapter is connected to a rotary blade (13). The adapter (15) has a bevel gear (16), which is in engagement with a ring (17), which is connected to adapters of other blades. There are rows of holes (12) on the walls of the flame tube. There is an adapter (19) behind the blades with the rotary device. The adapter has a channel connecting the blades (13) of the rotary device (2) with the front device (11) in which the burners (10) of the flame tube (6) are located.

EFFECT: invention effectively performs its functions.

1 cl, 2 dwg