FIELD: engine engineering. SUBSTANCE: engine has at least one cylinder 1 with piston 2, cover 3 of the cylinder, air intake 4, and ejector 5. Cover 3 of the cylinder has inlet passageway 6 and outlet passageway 7 provided with inlet valve 8 and outlet valve 9. Air intake 4 is in communication with inlet passageway 6 wherein system 11 for fuel injection is mounted and is connected with passive nozzle 12 of ejector 5 through branch pipe 13 for air withdrawing wherein check valve 14 is mounted. The wall of the cylinder has radial opening 15 for partial discharging exhaust gases and tangential opening 16 for supplying air and exhaust gases to combustion chamber 10. The radial opening is connected to active nozzle 17 of ejector 5 through pipe line 18 wherein additional check valve 19 and accumulating tank 20 are mounted. Diffuser 21 of ejector 5 is connected with tangential opening 16 through pipe line 22. EFFECT: enhanced efficiency. 1 dwg
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