FIELD: engines.
SUBSTANCE: working machine with motor drive, including: two-stroke engine, including piston made for reciprocating inside cylinder, to which exhaust channel is bonded, and tool in front part, made so that to be driven by motor, wherein expansion chamber is connected with exhaust channel via connection channel, wherein connecting channel includes first and second ends, and connection channel extends from first end in exhaust channel axial direction, bent in direction from exhaust channel axis of the and connected to expansion chamber on second end, and wherein expansion chamber casing is located on connecting channel inner side, and engine unit comprises cylinder and crank case.
EFFECT: machine operation.
16 cl, 11 dwg
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