Abstract:
The invention relates to the use of an emulsified fuel in combination with an engine oil that shows a synergistic effect in reducing emissions such as particulate matter, hydrocarbons and/or nitrogen oxides (NO, NO2, N2O, collectively NOx) and/or reducing wear from an engine.
Abstract:
This invention relates to a lubricating oil composition, comprising: (A) a base oil and (B) a boron-containing compound represented by the formulae(RO)3-B or (RO)2-B-O-B (OR)2 (B-1) (B-II)or a cyclic trimeric structure (B-III), wherein in formulae (B-1), (B-11) and (B-111) each R is independently an organic group and any two adjacent R groups may together form a cyclic group; the lubricating oil composition containing sulfur, boron and optionally phosphorus with the ratio of sulfur to boron to phosphorus being represented by the formula S + 5B + 3P > 0.35 wherein S is the concentration in percent by weight of sulfur in the composition, B is the concentration in percent by weight of phosphorus in the composition; the concentration of sulfur in the lubricating oil composition being from 0.01% to 0.25% by weight; the concentration of phosphorus in the lubricating oil composition being up to 0.08% by weight.
Abstract translation:本发明涉及一种润滑油组合物,其包含:(A)基油和(B)由式(RO)3-B或(RO)2 -OBOB(OR)2(B- 1)(B-II)或环状三聚体结构(B-III),其中在式(B-1),(B-11)和(B-111)中,R各自独立地为有机基团, 基团可以一起形成环状基团; 含有硫与硼与磷的比例的硫,硼和任选的磷的润滑油组合物由式S 1 + B 3 + 3 P 1 0.35表示,其中S 1是 组合物中硫的重量百分比,B 1是组合物中磷的重量百分比浓度; 润滑油组合物中的硫的浓度为0.01重量%至0.25重量%; 润滑油组合物中的磷浓度高达0.08重量%。
Abstract:
The present invention relates to a control release gel for delivery of additives free of producing ash to substantially free of producing ash into a lubricant. Further, the invention provides for a method of controlled release of additive(s) into the lubricant.
Abstract:
A lubricated part composition containing (a) a part with at least a partial hard surface coating of average thickness less than about 25 micrometres, said coating containing at least one moiety selected from the group consisting of silicides, nitrides, carbides, borides, oxides, sulphides and mixtures thereof; (b) a detergent selected from at least one of the group consisting of a phenate salt, a sulphonate salt, a salixarate salt and mixtures thereof; and (c) an oil of lubricating viscosity. The invention further relates to the use of the composition to decrease engine wear, decrease sludge formation, filter plugging, decrease sulphur emissions and decrease phosphorus emissions.
Abstract:
This invention relates to a lubricating oil composition, comprising (A) a base oil; and a phosphorus-containing compound represented by the formulae (B-I) or (B-II): wherein in Formulae (B-1) and (B-11), R , R and R are independently hydrogen or hydrocarbyl groups, and a, b and c are independently zero or 1; the lubricating oil composition being characterized by a sulfur content of 0.01 to 0.25 % by weight.
Abstract:
A process for lubricating an internal combustion engine which contains at least one ceramic part which requires lubrication, or which operates at a temperature of at least 250 DEG C at the top ring reversal position, or which is powered by natural gas, comprising supplying to such an engine a lubricant composition comprising: (a) a major amount of an oil of lubricating viscosity, and (b) a minor amount of a salt of an alkylene-linked polyaromatic molecule, the aromatic moieties of wich comprise at least one hydrocarbyl-substituted phenol and at least one carboxy phenol.
Abstract:
This invention relates to a lubricating oil composition, comprising: (A) a base oil; (B) an alkali or alkaline earth metal salt of a saligenin derivative; (C) an alkali or alkaline earth metal salt of a hydrocarbon-substituted salicylic acid, and (D) a metal salt of a phosphorus-containing compound.
Abstract:
Ceramic-containing engines are lubricated by compositions containing synthetic ester base stock. Suitable esters include those prepared from iso- and neo-acids of medium chain length and polyols including inositol.
Abstract:
Ceramic-containing engines are lubricated by compositions containing synthetic ester base stock. Suitable esters include those prepared from iso- and neo-acids of medium chain length and polyols including inositol.
Abstract:
The present invention relates to methods of using a low sulfur, low phosphorus, low-ash, zinc free consumable lubricating composition in an internal combustion engine equipped with a pilot ignition system, where the composition comprises: an oil of lubricating viscosity; a high TBN succinimide dispersant and where the lubricant composition overall has a sulfated ash value of up to about 0.2, a phosphorus content of up to about 50 to about 800 ppm and a sulfur content of up to about 0.4 percent by weight.