All-methanol engine lubricating oil

A methanol engine and engine technology, applied in the field of lubricating oil, to achieve the effect of preventing lubricating oil stratification, outstanding effect, and excellent ability to prevent lubricating oil stratification

Active Publication Date: 2009-12-16
ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention mainly aims at the defect that most engine lubricating oils are not suitable for use on all-methanol engines, and provides a full-methanol engine lubricating oil suitable for use on engines burning pure methanol

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] According to the content in Table 1, take solvent-refined mineral oil as base oil, PAO6, high alkali value magnesium salicylate with alkali value 300mgKOH / g as high alkali value salicylate, succinimide, dialkyl disulfide Zinc phosphate and dialkyl diphenylamine are used as organic amines. The total weight is 2Kg.

[0023] Stir the above components for 2 hours at a constant temperature of 50°C to obtain a full methanol engine lubricating oil.

Embodiment 2

[0025] According to the content in Table 1, take hydrorefined mineral oil as base oil, PAO4, high alkali value magnesium salicylate with alkali value 310mgKOH / g as high alkali value salicylate, succinimide, dialkyl di Zinc thiophosphate, dialkyl diphenylamine as organic amine. The total weight is 2Kg.

[0026] Stir the above components for 2 hours at a constant temperature of 50°C to obtain a full methanol engine lubricating oil.

Embodiment 3

[0028] According to the content in Table 1, take solvent-refined mineral oil as base oil, PAO4, high alkali value calcium salicylate with alkali value 300mgKOH / g as high alkali value salicylate, succinimide, dialkyl disulfide Zinc phosphate and N-phenyl-α-naphthylamine are used as organic amines. The total weight is 2Kg.

[0029] Stir the above components for 2 hours at a constant temperature of 50°C to obtain a full methanol engine lubricating oil.

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Abstract

The invention relates to lubricating oil, in particular to all-methanol engine lubricating oil. Aiming at the defect that most of the current engine lubricating oil is not suitable for use on an all-methanol engine, the invention provides the all-methanol engine lubricating oil suitable for use on an engine which burns pure methanol. The technical scheme is as follows: the engine lubricating oil used on a methanol engine comprises the components of mineral oil, polyolefine and additive, wherein the additive is salicylate with high base number, succimide, zinc dialkyl dithiophosphate and assistant antiseptic agent.

Description

technical field [0001] The invention relates to a lubricating oil, in particular to a full methanol engine lubricating oil. Background technique [0002] At present, environmental pollution and energy shortage are increasing day by day, which promotes the research and application of alternative fuels for vehicles. As a new type of vehicle fuel, methanol has been increasingly accepted and recognized by many automobile suppliers. Compared with traditional fuels, methanol as an alternative fuel has the advantages of wide sources and low emissions. [0003] However, if the lubricating oil used in gasoline engines is directly used on methanol vehicles, it will cause the following hazards: [0004] 1) Methanol has strong hygroscopicity, which will dilute the lubricating oil and reduce its lubricating performance; [0005] 2) The diluted engine oil causes increased wear between the piston and the cylinder wall, and also accelerates the wear of other parts; [0006] 3) Methanol ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M107/02C10M137/02C10N30/06
CPCC10N2240/101C10N2230/12C10N2230/06C10M169/04C10M2215/28C10M2205/0285C10M2223/045C10M2203/1006C10M2207/262C10N2030/06C10N2030/12C10N2040/251
Inventor 金先扬向晖宋金环
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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