LUBRICATING OIL COMPOSITION
    12.
    发明申请
    LUBRICATING OIL COMPOSITION 有权
    润滑油组成

    公开(公告)号:US20090082233A1

    公开(公告)日:2009-03-26

    申请号:US11913194

    申请日:2006-05-25

    Inventor: Moritsugu Kasai

    Abstract: A lubricating oil composition includes lubricating oil base oil, an organic molybdenum compound (A), zinc dialkyl dithiophosphate (B), at least one compound (C) selected from calcium sulfonate, calcium phenate, and magnesium sulfonate and having a base number of 230 mgKOH/g or more, and an ashless dispersant containing boron or a mixture of an ashless dispersant containing boron and an ashless dispersant containing no boron (D) in predetermined ratios, in which: a mass ratio (P/Mo) of the P content to the Mo content in the composition is 1.5 or more; a mass ratio (CaMg/Mo) of a total content of the Ca and Mg derived from the component (C) to the Mo content in the composition is 3 or more; and a mass ratio (B/N) between B and N derived from the component (D) in the composition is 0.5 or more. The lubricating oil composition of the present invention has a high static friction coefficient of wet clutch, has excellent frictional property in a power transmission mechanism, has excellent fuel saving property, and is suitably used for power transmission lubricating oil and engine lubricating oil.

    Abstract translation: 润滑油组合物包括润滑油基础油,有机钼化合物(A),二烷基二硫代磷酸锌(B),至少一种选自磺酸钙,酚钙和磺酸镁的化合物(C),碱值为230 mgKOH / g以上,以及含有硼的无灰分散剂或含有硼的无灰分散剂和不含硼(D)的无灰分散剂的混合物的预定比例的混合物,其中:P含量的质量比(P / Mo) 对组合物中的Mo含量为1.5以上; 由组分(C)衍生的Ca和Mg的总含量与组合物中的Mo含量的质量比(CaMg / Mo)为3以上; 并且由组合物中组分(D)衍生的B和N之间的质量比(B / N)为0.5以上。 本发明的润滑油组合物具有高湿式离合器的静摩擦系数,在动力传动机构中具有优异的摩擦性能,具有优异的节油性,适用于动力传递润滑油和发动机润滑油。

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