FIELD: mechanical engineering; engines; balancing of piston machines. SUBSTANCE: piston engine with two crank of crankshaft arranged in one plane has pistons, connecting rods coupled with crankshaft on which counterweights and gears with ratio 1:1 are installed. Counterweight are arranged along cylinder axes ar equal distance from middle of crankshaft, are directed to one side and located lower than crankshaft axis at a distance of L=R±0,5R, where R is radius of crank. EFFECT: improved balancing of engine. 6 dwg, 1 tbl
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|---|---|---|---|
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|
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| PORTABLE MOTOR SAW | 0 |
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