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engine lubricant

A lubricant composition, organometallic technology, applied in the direction of lubricant composition, additives, base materials, etc., can solve the problems of particle emission and unfavorable post-treatment system, etc.

Inactive Publication Date: 2015-09-16
TOTAL MARKETING SERVICES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, these formulations contain high levels of sulfur, metals and phosphorus which can be detrimental in terms of particulate emissions and aftertreatment systems

Method used

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  • engine lubricant
  • engine lubricant
  • engine lubricant

Examples

Experimental program
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Effect test

Embodiment

[0180] Oil preparation:

[0181] Several 0W30 grade oils for diesel engine vehicles, prepared from a complete set of performance additives for diesel engine oils to enable them to meet ACEA C2 / JASO DL1 specifications and contain antioxidants, corrosion inhibitors, dispersants, detergents , anti-wear agents, pour point depressants and corrosion inhibitors.

[0182] The composition (in % by mass) of these oils is given in Table 1 below:

[0183]

[0184] Table 1: Composition of 0W30 grade engine oil (by mass)

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Abstract

A lubricant composition includes: (a) one or more base oils, (b) at least one comb polymer formed by a polyalkyl(meth)acrylate main chain, and hydrocarbon side chains including at least 50 carbon atoms, (c) at least one nitrogen-containing organic friction modifier chosen from the optionally alkoxylated fatty amines, fatty amides or imides obtained by the condensation of fatty amines and carboxylic acids, alone or in a mixture, (d) optionally, one or more organometallic organomolybdenum-type friction modifiers. This is used for the lubrication of 4-stroke gasoline or diesel engines of light vehicles, preferentially of hybrid vehicles.

Description

technical field [0001] The subject of the present invention is a lubricant composition for the engine of a gasoline or diesel vehicle which allows a reduction in the fuel consumption of said vehicle. Background technique [0002] Energy efficiency and reducing fuel consumption in motor vehicle engines are of increasing concern. Engine oils used in such vehicles are known to play an important role in this regard. [0003] Energy losses due to friction between the various engine components are affected by hydrodynamic and hydroelastic dynamics, or limit friction mechanisms, depending on the engine part. [0004] The choice of viscosity index-improving matrix and polymer (VI improver) has an effect on losses under hydrodynamic and hydroelastodynamic mechanisms, while the choice of friction modifier has an effect on energy loss under extreme friction conditions. [0005] However, the formulation of fuel economy engine lubricants is not limited to these different selections of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M161/00C10M169/04
CPCC10N2240/104C10M2205/06C10M2215/042C10M161/00C10M2205/02C10M2205/173C10M2223/045C10M2219/068C10M2223/065C10M2227/066C10M141/06C10M2203/1025C10M2205/04C10M2209/084C10M2215/086C10N2230/54C10M169/044C10N2240/103C10M2215/04C10M2215/08C10N2030/54C10N2040/253C10N2040/255C10N2010/12C10N2020/02C10M101/00C10M103/02C10M103/04C10M105/02C10M105/04C10M105/06C10M105/08C10M105/10C10M105/14C10M169/04
Inventor 阮·长-丁
Owner TOTAL MARKETING SERVICES SA