FIELD: mechanical engineering; internal combustion engines with separation of fuel mixture. SUBSTANCE: proposed method of operation of internal combustion engine with torus-shaped swirling of fuel-air mixture in working chamber comes to delivery of mixture into working chamber, compression of mixture, its ignition, combustion, expansion and discharge. Swirling of mixture is provided at its expansion by two opposite nozzle chambers. Working chamber has central rod-cone. Combustion chamber is ring-shaped with lens-shaped radial section. EFFECT: reduced fuel consumption and toxicity of exhaust gases. 3 cl, 3 dwg
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