Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device
    3.
    发明授权
    Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device 有权
    润滑油基础油,内燃机用润滑油组合物和驱动传动装置用润滑油组合物

    公开(公告)号:US08105990B2

    公开(公告)日:2012-01-31

    申请号:US12225064

    申请日:2007-03-14

    IPC分类号: C07F7/22 C10G71/00

    摘要: The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound. (a) The saturated component content is 90% by mass or greater, and the proportion of cyclic saturated components among the saturated components is 10-40% by mass. (b) The condition represented by the following formula (1) is satisfied. 1.440≦n20−0.002×kv100≦1.453  (1) [wherein n20 represents the 20° C. refractive index of the lubricating base oil, and kv100 represents the kinematic viscosity at 100° C. (mm2/s) of the lubricating base oil.]

    摘要翻译: 本发明的润滑油基础油满足下述条件(a)或(b)中的至少一个。 本发明的内燃机用润滑油组合物含有本发明的润滑油基础油,基本上不含硫作为构成成分的无灰色抗氧化剂和至少一种选自含硫作为构成元素的无灰抗氧化剂中的化合物 和有机钼化合物。 另外,本发明的动力传动装置用润滑油组合物包含本发明的润滑油基油,聚(甲基)丙烯酸酯系粘度指数提高剂和含磷化合物。 (a)饱和成分含量为90质量%以上,饱和成分中的饱和成分的比例为10〜40质量%。 (b)满足下述式(1)所示的条件。 1.440≦̸ n20-0.002×kv100≦̸ 1.453(1)[其中n20表示润滑油基油的20℃折射率,kv100表示​​润滑基料100℃下的运动粘度(mm 2 / s) 油。]

    Lube Base Oil, Lubricating Oil Composition For Internal Combustion Engine, And Lubricating Oil Composition For Drive Transmissoin Device
    4.
    发明申请
    Lube Base Oil, Lubricating Oil Composition For Internal Combustion Engine, And Lubricating Oil Composition For Drive Transmissoin Device 有权
    润滑油基础油,内燃机用润滑油组合物及驱动传动装置用润滑油组合物

    公开(公告)号:US20100016195A1

    公开(公告)日:2010-01-21

    申请号:US12225064

    申请日:2007-03-14

    摘要: The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound.(a) The saturated component content is 90% by mass or greater, and the proportion of cyclic saturated components among the saturated components is 10-40% by mass.(b) The condition represented by the following formula (1) is satisfied. 1.440≦n20−0.002×kv100≦1.453 (1)[wherein n20 represents the 20° C. refractive index of the lubricating base oil, and kv100 represents the kinematic viscosity at 100° C. (mm2/s) of the lubricating base oil.]

    摘要翻译: 本发明的润滑油基础油满足下述条件(a)或(b)中的至少一个。 本发明的内燃机用润滑油组合物含有本发明的润滑油基础油,基本上不含硫作为构成成分的无灰色抗氧化剂和至少一种选自含硫作为构成元素的无灰抗氧化剂中的化合物 和有机钼化合物。 另外,本发明的动力传动装置用润滑油组合物包含本发明的润滑油基油,聚(甲基)丙烯酸酯系粘度指数提高剂和含磷化合物。 (a)饱和成分含量为90质量%以上,饱和成分中的饱和成分的比例为10〜40质量%。 (b)满足下述式(1)所示的条件。 1.440 <= n20-0.002xkv100 <= 1.453(1)[其中,n20表示润滑油基油的20℃折射率,kv100表示​​润滑基料100℃下的运动粘度(mm 2 / s) 油。]