Oil seal
    8.
    发明授权
    Oil seal 有权
    油封

    公开(公告)号:US08714561B2

    公开(公告)日:2014-05-06

    申请号:US13317856

    申请日:2011-10-31

    IPC分类号: F16J15/32

    CPC分类号: F16J15/324

    摘要: To improve durability of a seal lip (4) of an oil seal (1) in slidably contact with the peripheral surface of a shaft (23), a lubricating oil supply section (11) for collecting adhered oil and dropping it on the shaft (23) is provided at a forward end portion of an installation section (2), the lubricating oil supply section (11) has projections (12) formed on the inner peripheral surface of the installation section (2) to collect oil on the surface thereof, the surface of each projection (12) has a recess (13) for temporarily accumulating oil, guidance projections, or a slope for collecting the oil, and dams are formed on a forward end face (2a) of the installation section (2) to block the oil flowing down along the circumferential direction on the forward end face (2a) and guides the oil toward each projection (12).

    摘要翻译: 为了提高与轴(23)的周面滑动接触的油封(1)的密封唇(4)的耐久性,用于收集粘附油并将其落在轴上的润滑油供给部(11) 23)设置在安装部(2)的前端部,润滑油供给部(11)具有形成在安装部(2)的内周面上的突起(12),以在其表面上收集油 每个突起(12)的表面具有用于临时积存油,引导突起或用于收集油的斜面的凹槽(13),并且在安装部分(2)的前端面(2a)上形成坝, 以阻止沿着前端面(2a)的圆周方向向下流动的油,并且将油引导到各个突起(12)。