FIELD: engine engineering. SUBSTANCE: two-stroke internal combustion engine is provided with blowing receiver 11, that encloses cylinder 1 in the zone of location of blowing ports 4 and is connected with port 4, and by-passes 12 connected with compressor chambers 9 through by-pass ports 3. Chambers 9 are provided with displacers 15, outer side of which is answered to the side of skirt 16 of pistons 6. Fresh air compressed in chambers 9 enters receiver 11 and, when the blowing ports are open, intensively blows working chamber 8 to remove residual gases and fill it. EFFECT: enhanced efficiency. 2 cl, 2 dwg
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