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    METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE
    1.
    发明申请
    METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE 审中-公开
    内燃机润滑方法

    公开(公告)号：US20160326453A1

    公开(公告)日：2016-11-10

    申请号：US15110135

    申请日：2015-01-09

    Applicant: THE LUBRIZOL CORPORATION

    Inventor： Mary Galic Raguz ,  John G. Loop

    IPC: C10M161/00

    CPC classification number: C10M161/00 ,  C10M163/00 ,  C10M167/00 ,  C10M2205/022 ,  C10M2207/026 ,  C10M2207/027 ,  C10M2207/028 ,  C10M2207/262 ,  C10M2215/064 ,  C10M2215/086 ,  C10M2217/06 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2219/082 ,  C10M2219/084 ,  C10M2223/045 ,  C10N2210/02 ,  C10N2220/021 ,  C10N2230/04 ,  C10N2230/06 ,  C10N2230/10 ,  C10N2230/42 ,  C10N2230/43 ,  C10N2230/45 ,  C10N2230/52 ,  C10N2240/102 ,  C10M2205/024 ,  C10N2260/14

    Abstract: The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, 0.1 wt % to 4 wt % of a borated polyisobutylene succinimide dispersant, wherein the polyisobutylene from which the borated polyisobutylene succinimide is derived has a number average molecular weight of 550 to 1150, and 0.1 wt % to 6 wt % of a polyisobutylene succinimide, wherein the polyisobutylene from which polyisobutylene succinimide is derived has a number average molecular weight of 1550 to 2500, 0 wt % to 0.2 wt % of a phenolic based detergent, wherein the total amount of soap delivered by the alkaline earth metal sulphonate (typically calcium sulphonate) is 0.4 to 1 wt % of the lubricating composition, and wherein the lubricating composition has a sulphated ash content of not more than 1.5 wt %.

    Abstract translation: 本发明提供了一种润滑具有最大装载质量超过2700kg的压燃式内燃机的方法，包括向发动机供应润滑组合物，润滑组合物包括：具有润滑粘度的油，300TBN或更高的碱土金属磺酸盐清净剂，其具有 金属比率为10〜40，0.1重量％〜4重量％的硼酸化聚异丁烯琥珀酰亚胺分散剂，其中衍生了硼酸化聚异丁烯琥珀酰亚胺的聚异丁烯的数均分子量为550〜1150，0.1重量％〜6重量％ 衍生出聚异丁烯琥珀酰亚胺的聚异丁烯的数均分子量为1550〜2500,0.0重量％〜0.2重量％的酚类洗涤剂，其中由碱土金属输送的皂的总量 金属磺酸盐（通常为磺酸钙）为润滑组合物的0.4〜1重量％，并且其中润滑组合物具有 硫酸盐灰分不超过1.5重量％。

    METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE
    2.
    发明申请
    METHOD OF LUBRICATING AN INTERNAL COMBUSTION ENGINE 审中-公开
    内燃机润滑方法

    公开(公告)号：US20160326452A1

    公开(公告)日：2016-11-10

    申请号：US15110106

    申请日：2015-01-09

    Applicant: THE LUBRIZOL CORPORATION

    Inventor： Mary Galic Raguz ,  John G. Loop

    IPC: C10M161/00

    CPC classification number: C10M161/00 ,  C10M163/00 ,  C10M167/00 ,  C10M2205/022 ,  C10M2207/026 ,  C10M2207/028 ,  C10M2207/262 ,  C10M2215/064 ,  C10M2215/086 ,  C10M2217/06 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2219/082 ,  C10M2219/087 ,  C10M2219/088 ,  C10M2219/089 ,  C10M2223/045 ,  C10N2210/02 ,  C10N2220/021 ,  C10N2230/04 ,  C10N2230/06 ,  C10N2230/42 ,  C10N2230/43 ,  C10N2230/45 ,  C10N2230/52 ,  C10N2240/102 ,  C10M2205/024

    Abstract: The invention provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, 1.5 wt % to 10 wt % of an ashless dispersant, a 300 TBN or higher alkaline earth metal sulphonate detergent having a metal ratio of 10 to 40, and a 80 TBN or lower alkaline earth metal sulphonate detergent having a metal ratio of 1 to 5, wherein the lubricating composition comprises 0 wt % to 0.2 wt % of a phenolic based detergent, the ratio of higher alkaline earth metal sulphonate detergent to lower alkaline earth metal sulphonate detergent is 80:20 to 20:80, the total amount of soap delivered by the calcium sulphonate detergents is 0.4 wt % to 1.5 wt % of the lubricating composition, and the lubricating composition has a sulphated ash content of not more than 1.5 wt %.

    Abstract translation: 本发明提供了一种润滑具有最大载重质量超过2700kg的压燃式内燃机的方法，包括向发动机供应润滑组合物，其包括：润滑粘度为1.5重量％至10重量％的无灰分散剂的油， 金属比为10〜40的300TBN以上的碱土金属磺酸盐洗涤剂和金属比为1〜5的80TBN以下碱土金属磺酸盐洗涤剂，其中所述润滑组合物包含0重量％〜0.2重量％ 酚类洗涤剂的％，较高的碱土金属磺酸盐洗涤剂与较低碱土金属磺酸盐洗涤剂的比例为80:20至20:80，由磺酸钙清净剂递送的皂的总量为0.4重量％至1.5重量％ ％的润滑组合物，并且润滑组合物的硫酸化灰分含量不大于1.5重量％。

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