PISTON RING AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    PISTON RING AND MANUFACTURING METHOD THEREFOR 有权
    KOLBENRING UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号:EP3026302A4

    公开(公告)日:2017-04-05

    申请号:EP14828686

    申请日:2014-05-26

    申请人: KK RIKEN

    发明人: TSUJI KATSUHIRO

    摘要: A piston ring mounted to a piston made of an aluminum alloy that slides with a cylinder liner containing Fe as a main component, comprising: hard carbon coatings containing no hydrogen formed on an outer periphery and at least one side surface, the hard carbon coating formed on the outer periphery having no columnar structure, and the hard carbon coating formed on the side surface having a columnar structure extending to a direction intersecting with the side surface.

    摘要翻译: 1。一种活塞环,其安装于铝合金制的活塞,该活塞环与以Fe为主要成分的气缸套滑动,其特征在于,在外周和至少一个侧面形成有不含氢的硬质碳覆膜, 在不具有柱状结构的外周上,在侧面形成的硬质碳覆膜具有向与侧面交叉的方向延伸的柱状结构。