Lubricant composition
    4.
    发明授权
    Lubricant composition 有权
    润滑油组成

    公开(公告)号:US08796194B2

    公开(公告)日:2014-08-05

    申请号:US13392189

    申请日:2010-08-30

    IPC分类号: C10M145/14 C10M173/02

    摘要: The lubricating oil composition of the invention includes a lubricating base oil with a kinematic viscosity at 100° C. of 1-6 mm2/s, a % Cp of 70 or greater and a % CA of no greater than 2, and a viscosity index improver which, when added to the lubricating base oil, results in an A/B ratio of less than 3.2 and a C/B ratio of less than 1.5. A is the thickening effect on the kinematic viscosity at 100° C., B is the thickening effect on the HTHS viscosity at 150° C., and C is the thickening effect on the HTHS viscosity at 100° C.

    摘要翻译: 本发明的润滑油组合物包括在100℃下的运动粘度为1-6mm 2 / s,70%以上的%Cp,不大于2%的CA的润滑油基础油和粘度指数 当添加到润滑油基础油中时,导致A / B比小于3.2且C / B比小于1.5的改进剂。 A是在100℃下对运动粘度的增稠效果,B是在150℃下对HTHS粘度的增稠作用,C是在100℃下对HTHS粘度的增稠作用。

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

    公开(公告)号:US09404062B2

    公开(公告)日:2016-08-02

    申请号:US13375122

    申请日:2010-05-11

    摘要: The invention provides a lubricating oil composition comprising a lubricating base oil with a kinematic viscosity at 100° C. of 1-10 mm2/s, a % Cp; of 70 or greater and a % CA of no greater than 2 and a viscosity index improver having a weight-average molecular weight of 100,000 or greater and a ratio of weight-average molecular weight to PSSI of 1.0×104 or greater, at 0.1-50% by mass based on the total amount of the composition, and having a kinematic viscosity at 100° C. of 9.0-12.5 mm2/s and a HTHS viscosity at 150° C. of 2.8 mPa·s or greater. It further provides a lubricating oil composition comprising a lubricating base oil with a kinematic viscosity at 100° C. of 1-6 mm2/s, a % Cp of 70 or greater and a % CA of no greater than 2, a hydrocarbon-based viscosity index improver with a PSSI of no greater than 20, and a poly(meth)acrylate-based viscosity index improver.

    摘要翻译: 本发明提供一种润滑油组合物,其包含在100℃下的运动粘度为1-10mm 2 / s,%Cp的润滑油基础油; 70以上,%CA为2以下,粘均指数改性剂,重均分子量为100,000以上,重均分子量与PSSI的比为1.0×10 4以上,为0.1 相对于组合物总量为50质量%,在100℃下的运动粘度为9.0-12.5mm 2 / s,150℃下的HTHS粘度为2.8mPa·s以上。 它还提供了一种润滑油组合物,其包含在100℃下的运动粘度为1-6mm 2 / s,70%或更大的%Cp和不大于2的%CA的润滑基础油,基于烃的 PSSI不大于20的粘度指数改进剂和基于聚(甲基)丙烯酸酯的粘度指数改进剂。

    Lubricating oil composition for internal combustion engine
    8.
    发明授权
    Lubricating oil composition for internal combustion engine 有权
    内燃机润滑油组成

    公开(公告)号:US08258087B2

    公开(公告)日:2012-09-04

    申请号:US12517093

    申请日:2007-12-05

    申请人: Akira Yaguchi

    发明人: Akira Yaguchi

    IPC分类号: C10G71/00 C10L1/22 C10M133/56

    摘要: A lubricating oil composition for an internal combustion engine. The lubricating oil composition includes: (A1) a lubricant base oil as a main component having a kinematic viscosity at 100 degree C. being 1 to 8 mm2/s, pour point being −15 degree C. or less, aniline point being 100 degree C. or more, paraffinic content in saturates being 40 mass % or more, monocyclic naphthenic content being 25 mass % or less, bicyclic to hexacyclic naphthenic content being 35 mass % or less, iodine number being 2 or less, and ratio of tertiary carbon to the total carbon atoms composing the (A1) being 6.3% or more. The total mass of the composition is: (B) 0.005 to 0.5 mass % of a metallic detergent as metal content; (C1) 0.005 to 0.2 mass % of a boron-containing succinimide ashless dispersant as boron content; and (D) 0.005 to 0.2 mass % of a metal salt of phosphorus-containing acid as phosphorus content.

    摘要翻译: 一种用于内燃机的润滑油组合物。 润滑油组合物包括:(A1)在100℃下的运动粘度为1〜8mm 2 / s的润滑油基油作为主要成分,倾点为-15℃以下,苯胺点为100度 C以上,饱和物中的链烷烃含量为40质量%以上,单环环烷烃含量为25质量%以下,双环至六环烷烃含量为35质量%以下,碘值为2以下,叔碳原子数比 构成(A1)的总碳原子数为6.3%以上。 组合物的总质量为:(B)0.005〜0.5质量%的作为金属含量的金属洗涤剂; (C1)0.005〜0.2质量%的含硼琥珀酰亚胺无灰分散剂作为硼含量; 和(D)0.005〜0.2质量%的含磷酸的金属盐作为磷含量。

    LUBRICANT OIL COMPOSITION
    9.
    发明申请
    LUBRICANT OIL COMPOSITION 有权
    润滑油组成

    公开(公告)号:US20120071374A1

    公开(公告)日:2012-03-22

    申请号:US13375061

    申请日:2010-01-25

    IPC分类号: C10M145/14

    摘要: A lubricant oil composition comprising: a lubricant base oil whose kinematic viscosity at 100° C. is 1 to 6 mm2/s, % Cp is not less than 70, and % CA is not more than 2; a first viscosity index improver in which the ratio A/B of a viscosity increasing effect A in the equation (1) to a viscosity increasing effect B in the equation (2) when added to the lubricant base oil is a value of not less than 4.5, and a PSSI is not more than 30; and a second viscosity index improver in which the ratio A/B when added to the lubricant base oil is a value less than 4.5: A=X−X0   (1) B=Y−Y0   (2) wherein A represents a viscosity increasing effect of the kinematic viscosity at 100° C., B represents a viscosity increasing effect of the HTHS viscosity at 150° C., X represents a kinematic viscosity at 100° C. of a mixture of the lubricant base oil with 3% by mass of the first or second viscosity index improver, X0 represents a kinematic viscosity at 100° C. of the lubricant base oil, Y represents an HTHS viscosity at 150° C. of a mixture of the lubricant base oil with 3% by mass of the first or second viscosity index improver, and Y0 represents an HTHS viscosity at 150° C. of the lubricant base oil.

    摘要翻译: 1.一种润滑油组合物,其特征在于,含有100℃下的运动粘度为1〜6mm 2 / s的润滑油基础油,Cp不小于70,%CA不大于2; 在添加到润滑油基础油中时,式(1)中的粘度增加效果A与式(2)中的粘度增加效果B的比A / B的值为不小于 4.5,PSSI不超过30; 和其中添加到润滑油基础油中的比率A / B小于4.5的第二粘度指数改进剂:A = X-X0(1)B = Y-Y0(2)其中A表示增粘效果 的运动粘度为100℃,B为150℃时的HTHS粘度的粘度增加效果,X表示润滑油基油与3质量%的混合物的混合物在100℃下的运动粘度 第一或第二粘度指数改进剂,X0表示润滑剂基油的100℃下的运动粘度,Y表示润滑油基油与3质量%第一油性混合物在150℃下的HTHS粘度 或第二粘度指数改进剂,Y0表示润滑剂基础油在150℃下的HTHS粘度。