FIELD: heat power engineering. SUBSTANCE: engine has compressor, combustion chamber, gas turbine with a rotor and working passages, and exhaust unit. The engine also has pipe line for returning a part of cyclic air to the compressor and pipe line for recirculation of cyclic air to the combustion chamber. The rotor is conical and the working passages are closed, screwed, and curved in the direction of rotation. The cyclic air is compressed in the compressor, rotor of the turbine is cooled by the air, and then the air is separated into two parts. One part is mixed with fuel and burning out in the combustion chamber, and the other one returns to the compressor. EFFECT: enhanced efficiency. 2 cl, 2 dwg
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