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Lubricating oil contg. additive

A technology of additives and lubricating oil, applied in the field of fuel, can solve the problems of limited effect, deterioration of oil quality, accelerated friction and wear, etc., to achieve the effect of long action time, enhanced improvement effect, and reduced friction and wear

Inactive Publication Date: 2003-05-28
北京劳森兄弟科贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this method is added in a large amount, the oil quality will be deteriorated, and the friction and wear will be accelerated, and the effect will be limited if the amount is small.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] In 120 liters of diesel engine lubricating oil, 12.5mg of combined additives per liter (see the composition and content table), the total content is 1.5g, after mixing evenly, add 520 horsepower 12150L diesel engine (this machine has reached overhaul standard). Start the engine and run it under the condition of rated power of 520 horsepower and rated speed of 2000rpm under full load. By replenishing lubricating oil to maintain the lubricating oil level, measure the lubricating oil consumption of the engine during 50 motorcycle hours. The test results are shown in Table 1. This result is compared with the original machine and can be seen that the lubricating oil consumption in the process of working 50 motor hours under the additive situation is obviously lower than the lubricating oil consumption of the willing machine without adding the present invention. The friction surface of measuring oil ring and the friction surface of cylinder barrel were newly added with 3um an...

Embodiment 2

[0026] In 120 liters of diesel engine lubricating oil, by every liter containing the composition of the original invention, the same ratio is reduced to 11.25mg and its total content is 1.35g of the combined additive, after mixing evenly, add 520 horsepower 12150L diesel engine (this machine has been up to overhaul standard). Start the engine and run it under full load conditions with a rated power of 520 horsepower and a rated speed of 2000 rpm, and perform a bench acceleration test. The test results are shown in Table 4. After dismantling and measuring and using optical microscope and scanning electron microscope to observe and analyze the friction surface of the gas ring, oil ring and cylinder barrel, it was found that a hard layer with a thickness of about 1-2 microns was formed on the surface, and the surface was smooth. The skid mark is shallow, so the sealing degree of the cylinder is improved, the friction resistance is reduced, and the acceleration of the engine is gr...

Embodiment 3

[0029] In 120 liters of diesel engine lubricating oils, by every liter containing the composition of the original invention, the same ratio is reduced to 10mg and its total content is 1.2g of combined additives, after mixing evenly, add the 12v150zLc diesel engine new machine of 730 horsepower (the Machine 400 hours for the overhaul period). Start the engine and run it under the full load conditions of 730 horsepower and 2000rpm, and carry out the 800-hour durability test on the bench. The gap between the exhaust cam journal and the bearing seat hole is reduced by 0.01-0.03mm, and the service life of the engine is more than doubled.

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Abstract

A lubricating oil containing additive is characterized by that its additive includes powdered magnesium hydroxysilicate, microtubular magnesium hydroxysilicate, flaky magnesium hydroxy silicate, superfine staple of magnesium hydroxy silicate, microtubular aluminium hydroxysilicate, superfine staple of aluminium oxide and silicon oxide, and flaky aluminium silicate.

Description

technical field [0001] The invention relates to a lubricating oil containing additives, which belongs to the technical field of fuels. Background technique [0002] When the engine is working, its internal piston rings, cylinder liners, crankshafts, bushings, gears and other moving parts are in a state of mutual friction. After the engine works for a certain period of time, due to the friction and wear on the surface of the moving parts, the surface roughness of the parts increases and the sealing performance decreases, which makes the engine heat increase and output power decrease, and the lubricating oil consumption increases sharply due to the lubricating oil entering the combustion chamber. The carbon monoxide content in the exhaust gas increases. Therefore, it is necessary to regularly repair or replace the worn parts in the engine, that is, to carry out an overhaul. [0003] In order to reduce the friction and wear of engine parts and prolong the overhaul period of t...

Claims

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Application Information

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IPC IPC(8): C10M155/02
Inventor 罗晋平石新光
Owner 北京劳森兄弟科贸有限公司
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