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    • 7. 发明公开
    • RECIPROCATING ENGINE
    • 往复式发动机
    • EP1533509A1
    • 2005-05-25
    • EP02743671.6
    • 2002-06-20
    • Bando Kiko Co., Ltd
    • BANDO, Shigeru
    • F02F3/00F02F1/18F02F5/00F02B23/00
    • F02F1/18F02B19/108F02B23/08F02B2019/002F02F3/00F16J1/001F16J9/061F16J9/063
    • A reciprocating engine (1) includes a cylinder (2); a piston (3) reciprocating in the cylinder (2) in a direction X; a connecting rod (5) rotatably coupled at its small end portion (4) to the piston (3) through a piston pin (4a); ring grooves (7, 8) disposed adjacent to each other in the direction X and formed in a peripheral side surface (6) of the piston (3); piston rings (9, 10) respectively fitted in the ring grooves (7, 8); partitioning means (14) for partitioning an annular space (11) between the piston rings (9, 10) into a thrust side semiannular space (12) and an anti-thrust side semiannular space (13); and communicating means (16) for allowing the space (12) to communicate with a combustion chamber (15) where a fuel-air mixture is burned.
    • 往复式发动机(1)包括气缸(2); 活塞(3),在缸体(2)中沿X方向往复运动; 连杆(5),其小端部(4)通过活塞销(4a)可旋转地连接到活塞(3); 在所述活塞(3)的外周侧面(6)上形成有沿X方向相邻配置的环状槽(7,8)。 分别装配在环形槽(7,8)中的活塞环(9,10); 用于将活塞环(9,10)之间的环形空间(11)分隔成推力侧半环形空间(12)和反推力侧半环形空间(13)的分隔装置(14); 和用于允许空间(12)与燃烧空气混合物燃烧的燃烧室(15)连通的连通装置(16)。