FIELD: engines and pumps.;SUBSTANCE: invention relates to propulsion engineering. ICE housing accommodates two hollow rotor sections, that is, compressor rotor section and drive rotor section. Every said rotor section houses cylindrical vanned rotor. Engine incorporates symmetric cylindrical hollow seats to accommodate lock drums. Relative arrangement of rotor outer surface and housing inner circular surface as well as those of rotor vanes and lock drum compose working chambers, that is, segments of expansion and contraction. Engine main shaft drives via gearing the shafts of lock drums. Every rotor section has gas exchange openings. Two drive rotor sections operate with one compressor rotor section. The latter is arranged between two drive rotor sections. One end surface of every drive rotor section abuts on every end surface of compressor section. Combustion chambers are arranged in spinning rotors of rotor sections.;EFFECT: higher output and efficiency.;2 cl, 15 dwg
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