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    • 2. 发明公开
    • Internal combustion engines
    • Brennkraftmaschinen。
    • EP0350182A2
    • 1990-01-10
    • EP89306339.6
    • 1989-06-23
    • JAGUAR CARS LIMITED
    • Parsons, Bryan Nigel Victor
    • F16J9/20F16J9/10
    • F02B75/22F02B75/00F16J9/10
    • An internal combustion engine includes a piston (11) mounted for reciprocating motion within a cylinder and sealed with respect thereto. The piston (11) is connected to a crankshaft by means of a connecting rod (12), pivotal connections being provided between the connecting rod (12) and crankshaft and between the connecting rod (12) and piston (11). An oil ring (16) is provided in a circumferential groove (17) in the wall of the piston (11), said oil ring (16) being split so that there is a gap (18) in the ring (16) when it engages the wall of the cylinder. An interconnection (21-32) is provided between the connecting rod (12) and oil ring (16) by which tilting of the connecting rod (12) upon upward movement of the piston (11) will reduce the gap (18) so that the load applied by the oil ring (16) on the cylinder wall is reduced, the oil ring (16) being permitted to expand against the cylinder wall upon downward movement of the piston (11).
    • 一种内燃机包括一个活塞(11),该活塞(11)安装成用于在气缸内往复运动并相对于其密封。 活塞(11)通过连杆(12)连接到曲轴上,枢转连接件设置在连接杆(12)和曲轴之间以及连杆(12)和活塞(11)之间。 在活塞(11)的壁上的周向凹槽(17)中设置油环(16),所述油环(16)被分开,使得当环(16)中存在间隙(18)时 接合气缸的壁。 在连杆(12)和油环(16)之间设有互连(21-32),通过该连接杆(12),连杆(12)在活塞(11)向上运动时的倾斜将减小间隙(18),使得 由油环(16)施加在气缸壁上的负荷减小,当活塞(11)向下运动时,允许油环(16)在气缸壁上膨胀。