ANNULAR COMBUSTION CHAMBER OF GAS-TURBINE ENGINE Russian patent published in 2006 - IPC F23R3/12 F02C3/30 

FIELD: gas-turbine engines.

SUBSTANCE: proposed annular combustion chamber has annular cavity formed by external and internal muffs with flame tube placed in-between and provided with burner unit in its front part and flame-holding device in each burner, combustion zone, mixing zone, and igniter. Annular combustion chamber is designed to burn hydrogen-oxygen mixture. Annular cavity formed by muffs is sealed to prevent ingress of hydrogen-oxygen mixture therein and has injectors for controlled supply of flame tube cooling liquid and then fuel combustion products thereto. Flame tube is designed for split and sealed fixation to outlet annular manifold of compressor. Flame-holding device is made in the form of conical or spherical shut-off device installed in each head of burner unit for axial displacement of its working element to open-close positions.

EFFECT: enhanced economic efficiency and environmental friendliness.

1 cl, 3 dwg