FIELD: mechanical engineering; internal combustion engines.
SUBSTANCE: invention relates to four-stroke internal combustion engines of stationary and mobile power plants. Proposed engine has at least one cylinder with intake and exhaust valves and piston connected with crank of crankshaft by connecting rod. Sectional eccentric disk with hole displaced relative to its center is arranged in hole of connecting rod big end. Said hole encloses crank of crankshaft. Disk is installed for rotation relative to crank of crankshaft and connecting rod big end. Disk division plane is arranged in horizontal or vertical section plane passing through center of its hole. Additional crescent-shaped hole is made symmetrically relative to disk hole to reduce weight of disk.
EFFECT: improved efficiency of four-stroke engine.
3 cl, 10 dwg
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