FIELD: engine building.
SUBSTANCE: two-stroke internal combustion engine comprises inlet and outlet openings in engine working cylinder (11) and piston (1) reciprocating device. Piston (1) comprises piston pin with plugs (4), oil scraper ring (7) and compression rings, which are located on piston (1). There is a power take-off crankshaft, a combined lubrication system and a recess made in the bearing of the connecting rod journal. On outer surface of piston (1), below oil scraper ring (7), annular groove (6) is made. Annular groove (6) is connected to the engine forced lubrication system, through oil supply channels (5), the piston pin cavity with plugs (4), oil channel (2) located in device of reciprocal movement of piston (1) and recess, which is made in bearing of connecting rod journal. Disclosed is a method of lubricating a two-stroke engine.
EFFECT: reduced oil consumption and increased service life of the engine.
2 cl, 2 dwg
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