FIELD: mechanical engineering; nonpositive displacement internal combustion engines.
SUBSTANCE: proposed engine has housing with two working chambers each provided with cavities for fitting intake valves, ignition sources and with outlet port. Two rotors are installed in working chambers on engine shaft. Said rotors are provided with cavities with channels to create torque on engine shaft. Rotors are installed at angle of 180° relative to each other. According to invention, surfaces of working chambers and rotors are made in from of surface of rotating oval. Rotors are provided with projections, and system of seals contains removable locks attached to end faces and projections of rotor on which oil control and with compression rings are fitted and also spring-loaded semirings fitted in slots of rotor made over conjugation lines of oval. Ends of semirings are driven under first of twin compression rings.
EFFECT: increased efficiency of engine.
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