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    • 10. 发明申请
    • Combined oil ring
    • 组合油环
    • US20080122185A1
    • 2008-05-29
    • US11898553
    • 2007-09-13
    • Isao Katou
    • Isao Katou
    • F16J9/06F02F5/00
    • F16J9/18F16J9/062
    • A combined oil ring 1 is comprised of an oil ring 2 with a generally I-shaped cross section including upper and lower rails 6, 7 joined by a web 8 for sliding on an inner circumferential surface 10 of a cylinder 9, and a coil expander 3 to press the oil ring 2 radially outwards. The combined oil ring 1 contains a seal member 14 for sealing a gap of the oil ring 2 and capable of making contact with the upper rail 6 in an outer circumferential groove 12 formed by the web 8 and the upper and lower rails 6, 7. The seal member 14 may include a structure where the edge of the seal member 14 is bent, and catches in a window hole 13 formed on the web 8 of the oil ring 2.
    • 组合的油环1由具有大致I形横截面的油环2组成,包括通过用于在气缸9的内圆周表面10上滑动的腹板8连接的上轨道6,7和下轨道6,7,以及线圈膨胀机 3将油环2径向向外按压。 组合油环1包含密封件14,用于密封油环2的间隙,并能够在由卷筒纸8和上下轨道6,7形成的外周槽12中与上轨道6接触。 密封构件14可以包括密封构件14的边缘弯曲的结构,并且捕获在形成在油环2的腹板8上的窗孔13中。