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Lubricating agent composition for low heat rejection diesel engine

A lubricant composition, a technology for diesel engines, applied in the directions of lubricating compositions, petroleum industry, etc., can solve problems such as the inability of lubricants to meet high-temperature lubrication, and achieve the effects of reducing emissions, good shear resistance, and low volatility

Inactive Publication Date: 2015-10-14
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The low heat dissipation engine is faced with the problem of high-temperature friction and lubrication between the piston and the cylinder liner, and the previous lubricants can no longer meet the requirements of high-temperature lubrication

Method used

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  • Lubricating agent composition for low heat rejection diesel engine
  • Lubricating agent composition for low heat rejection diesel engine
  • Lubricating agent composition for low heat rejection diesel engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: each component is reconciled and forms by following mass percentage:

[0018]

[0019] The sum of the mass percentages of the above components is 100%.

Embodiment 2

[0021] The components are blended according to the following mass percentages:

[0022]

[0023] The sum of the mass percentages of the above components is 100%.

Embodiment 3

[0025] The components are blended according to the following mass percentages:

[0026]

[0027] The sum of the mass percentages of the above components is 100%.

[0028] The main physical and chemical index of embodiment 3 products:

[0029] project

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Abstract

The invention discloses a lubricating agent composition for low heat rejection diesel engine. Polyphenyl ether is adopted as base oil and combined with multiple additives. The lubricating agent composition comprises a cleaning agent, a dispersing agent, an antioxidant, an antioxygen preservative agent, an antirust agent, an antifoam agent and an accessory ingredient. The lubricating agent composition can be directly applied to a lubricating system of the low heat rejection diesel engine, has the advantages of favorable shearing resistance, thermal oxidation stability, low volatibility, high soot dispersion property, cooling property, sealing property, cleaning property, anti-rust property, low-temperature fluidity, stable alkali number retainability and acid neutralization capability, and is capable of reducing hydrocarbon and oxynitride emission.

Description

technical field [0001] The invention belongs to the field of engine lubricating oil, in particular to a low heat dissipation diesel engine lubricant composition. Background technique [0002] The low heat dissipation diesel engine is different from the traditional liquid cooling system, which converts the energy loss transferred to the cooling medium into the output work of the crankshaft to reduce the fuel consumption of the diesel engine. The combustion temperature of the low-radiation engine is relatively high, which improves the combustion efficiency and can burn inferior fuels. This not only improves the fuel economy fundamentally, but also eliminates cooling water, thermostats, radiators, water pumps, cooling fans and related components. The pipeline and clamps simplify the structure, reduce the weight and increase the output power per unit mass. [0003] The low heat dissipation engine is a diesel engine combustion chamber and exhaust passage adopt heat insulation to...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/25C10N30/10C10N30/04C10N30/12
Inventor 黄福川黄豪中邓富康李康春韦开焕马骁飞黄旖瑶
Owner GUANGXI UNIV
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