DEVICE FOR REMOVING EXHAUST GASES FROM COMBUSTION CHAMBER OF FOUR-STROKE INTERNAL COMBUSTION ENGINE Russian patent published in 1999 - IPC

FIELD: mechanical engineering; power plants of various applications employing four-stroke internal combustion engines. SUBSTANCE: device has crank gear with crankshaft consisting of main journal, crank, crankpin, crankshaft main support, connecting rod with fitted-on piston, and gear fixed on crankshaft main support. Cluster-gear is installed in hole of crank for rotation and it comes into engagement with gear and gear wheel fixed on connecting rod insert made in form of eccentric with eccentricity equal to height of combustion chamber, or in form of cam. Gear wheel-to-gear ratio is 2. EFFECT: simplified design, reduced expenses for removal of exhaust gases, increased economy and reduced harmful effect on atmosphere. 5 dwg