| 摘要 |
FIELD: mechanical engineering; internal combustion engines. ^ SUBSTANCE: proposed engine has cylinder, piston with oil control rings and underpiston space installed in cylinder. Windows for scavenging combustion chamber are made in cylinder and piston. With piston in BDC, upper oil control ring of piston is arranged higher than scavenging window, and with piston in TDC, lower oil control ring is arranged lower than scavenging windows. Piston is provided with holes connecting grooves of upper and lower oil control rings with underpiston space. ^ EFFECT: improved lubrication of cylinder, reduced wear of parts. ^ 2 cl, 1 dwg |
