Lubricating oil composition for automibile engine lubrication

Lubricating oil composition for automibile engine lubrication

  • CN 103,305,318 A
  • Filed: 03/06/2013
  • Published: 09/18/2013
  • Est. Priority Date: 03/08/2012
  • Status: Active Application
First Claim
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1. the lubricating oil composition that is used for automotive engine lubrication, it is the lubricating oil composition that comprises the base oil of the SAE viscosity grade with 5W20, wherein viscosity index is in 140 to 230 scopes, shear viscosity is 2.9mPas or higher at 150 ℃

  • , NOACK volatilization loss is 13% or still less, further comprises;

    A) nitrogen content is at the nitrogenous ashless dispersant of 0.01 to 0.3 quality %,B) alkaline earth metal content is at the alkaline including earth metal purification agent of 0.08 to 0.4 quality %,C) phosphorus content is in the phosphorous antiwear agents of 0.05 to 0.12 quality %,D) antioxidant that is selected from aminated compounds, phenolic compound and molybdenum compounds of 0.1 to 7 quality %,E) viscosity index improver of 0.5 to 20 quality %, and further wherein each amount of adding component be based on the quality % of the total amount of lubricating oil composition.

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