A lubricating oil composition provides improved anti-shudder performance by lubricating an automatic transmission or continuously variable transmission. The lubricating oil composition includes (a) one or more ashless dispersants; and (b) at least one acidic phosphorus compound. When the at least one acidic phosphorus compound is composed only of phosphoric acid, the lubricating oil composition additionally contains one or more neutral phosphorus compounds. The neutralization ratio of the (a) one or more ashless dispersants / the (b) at least one acidic phosphorus compound is 60 to 100%. The lubricating oil composition further includes at least one friction modifier.

The present application pertains to a lubricating oil composition for a hybrid or plug-in hybrid electric vehicle. The composition may comprise a base oil and a ZnDTP derived from a mixture of C3 and C8 alcohols.

This disclosure describes a lubricating oil composition that includes a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula (I): Formula (I) wherein R1 is functional group containing 10 to 250 carbon atoms; and R2 and R3 are independently functional groups containing 2 to 20 carbon atoms.

A low ash lubricating oil composition is described. The composition includes major amount of an oil of lubricating viscosity, detergent system, and boron-containing additive in an amount to provide at least 100 ppm of boron to the lubricating oil composition. The detergent system includes one or more magnesium-containing detergent and optionally, one or more calcium- containing detergent. The lubricating oil composition is free of zinc and phosphorus. The total sulfated ash content of the lubricating oil composition is from 0.30 wt.% to 0.80 wt.%. The total base number of the lubricating oil composition is from 4.

一种用于混合动力发动机的润滑油，其包含主要量的具有润滑粘度的油；含硼化合物，其量为润滑油组合物提供50ppm至300ppm的硼；单独地具有通过ASTM D‑2896的方法测得的大于150mg KOH/g的总碱值的高碱性水杨酸钙或高碱性磺酸钙和高碱性水杨酸钙的混合物，其以为润滑油组合物提供800ppm至1800ppm的钙的量存在；二硫代磷酸锌(ZnDTP)，其量为润滑油组合物带来100ppm至800ppm的磷；以及非分散梳形聚甲基丙烯酸酯(PMA)粘度指数改进剂(VII)。所述含硼化合物包括硼酸化分散剂。所述润滑油组合物的100℃下的KV为6cSt至8.5cSt，所述润滑油组合物的40℃下的KV为25cSt至35cSt，并且所述润滑油组合物的VI大于200。

本文描述了一种用于加氢异构化烃进料的方法。所述方法可包括：将烃进料与加氢异构化添加剂组合以提供组合的进料；以及使组合的进料与包含沸石SSZ‑91的加氢异构化催化剂接触，其中所述加氢异构化添加剂是取代或未取代的氮杂环。

A lubricating oil composition for internal combustion engine with a roller follower type valvetrain is disclosed. The composition includes major amount of an oil of lubricating viscosity; one or more magnesium detergents in an amount to provide 100 to 1000 ppm of magnesium to the lubricating oil composition; 0.1 to 0.5 wt% of organic friction modifier; and d) optionally a viscosity modifier present at no more 0.5 wt%. The composition is substantially free of molybdenum friction modifier and has a total boron content ranging from 20 to 200 ppm.

This disclosure describes an ashless lubricant additive. The additive is a tertiary amine-containing compound having the following structure: where each R1 and R5 is independently a linear or branched-chain monovalent hydrocarbyl group having two to about twenty carbon atoms, where each R2, R3, and R4 is independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms wherein at least one of R2, R3, and R4 is hydrogen, each m is independently from 0 to 2, each p is independently from 0 to 2, for each cylic moiety m + p is from 2 to 4, and each n is independently from 1 to 6.

描述了一种润滑油组合物。所述组合物包含大量的润滑粘性基础油和基于聚磷酸盐的分散体。所述分散体包含聚磷酸铵和分散剂。

提供了一种润滑油组合物，其包含主要量的润滑粘度的油和清净剂体系，以及一种在拖拉机液压系统的低速下保持低扭矩变化的同时改善制动器和离合器能力的方法。