LUBRICATING OIL COMPOSITION
    4.
    发明申请
    LUBRICATING OIL COMPOSITION 有权
    润滑油组成

    公开(公告)号:US20090131291A1

    公开(公告)日:2009-05-21

    申请号:US12297531

    申请日:2007-04-19

    IPC分类号: C10M137/10

    摘要: The present invention provides a lubricating oil composition which is less in evaporation loss even having a low viscosity and excellent in lubricating properties such as low-temperature viscosity characteristics and anti-seizure properties and in oxidation stability, suitable for use in engines, automatic transmissions, manual transmissions, final reduction gear units, and continuously variable transmissions. The lubricating oil composition comprises (A) a lubricating base oil and (B) a poly(meth)acrylate additive in such an amount that the kinematic viscosity at 100° C. of the composition (Vc) is from 3 to 15 mm2/s, the viscosity index of the composition is from 95 to 200, and the ratio of the kinematic viscosity at 100° C. of (A) the lubricating base oil (Vb) to (Vc) (=Vb/Vc) is 0.60 or greater, further, (C) a metallic detergent, (D) an ashless dispersant and (E) zinc dithiophosphate, each in a specific amount.

    摘要翻译: 本发明提供一种润滑油组合物,即使具有低粘度和优异的润滑性能,如低温粘度特性和抗咬合性能以及氧化稳定性优良的蒸发损失,适用于发动机,自动变速器, 手动变速器,最终减速机组和无级变速器。 润滑油组合物包含(A)润滑基础油和(B)聚(甲基)丙烯酸酯添加剂,其量使得组合物(Vc)在100℃下的运动粘度为3至15mm 2 / s ,组合物的粘度指数为95〜200,(A)润滑油基础油(Vb)〜(Vc)(= Vb / Vc)的100℃下的运动粘度比为0.60以上 ,(C)金属洗涤剂,(D)无灰分散剂和(E)二硫代磷酸锌,各自为特定量。

    Lubricating oil composition
    6.
    发明授权
    Lubricating oil composition 有权
    润滑油组成

    公开(公告)号:US08728997B2

    公开(公告)日:2014-05-20

    申请号:US12297531

    申请日:2007-04-19

    IPC分类号: C10M145/14 C10M137/10

    摘要: The present invention provides a lubricating oil composition which is less in evaporation loss even having a low viscosity and excellent in lubricating properties such as low-temperature viscosity characteristics and anti-seizure properties and in oxidation stability, suitable for use in engines, automatic transmissions, manual transmissions, final reduction gear units, and continuously variable transmissions. The lubricating oil composition comprises (A) a lubricating base oil and (B) a poly(meth)acrylate additive in such an amount that the kinematic viscosity at 100° C. of the composition (Vc) is from 3 to 15 mm2/s, the viscosity index of the composition is from 95 to 200, and the ratio of the kinematic viscosity at 100° C. of (A) the lubricating base oil (Vb) to (Vc) (=Vb/Vc) is 0.60 or greater, further, (C) a metallic detergent, (D) an ashless dispersant and (E) zinc dithiophosphate, each in a specific amount.

    摘要翻译: 本发明提供一种润滑油组合物,即使具有低粘度和优异的润滑性能,如低温粘度特性和抗咬合性能以及氧化稳定性优良的蒸发损失,适用于发动机,自动变速器, 手动变速器,最终减速机组和无级变速器。 润滑油组合物包含(A)润滑基础油和(B)聚(甲基)丙烯酸酯添加剂,其量使得组合物(Vc)在100℃下的运动粘度为3至15mm 2 / s ,组合物的粘度指数为95〜200,(A)润滑油基础油(Vb)〜(Vc)(= Vb / Vc)的100℃下的运动粘度比为0.60以上 ,(C)金属洗涤剂,(D)无灰分散剂和(E)二硫代磷酸锌,各自为特定量。

    Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device
    9.
    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。]