Lubricating oil compositions

Lubricating oil compositions

  • CN 1,865,418 A
  • Filed: 05/18/2006
  • Published: 11/22/2006
  • Est. Priority Date: 05/20/2005
  • Status: Active Application
First Claim
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1. one kind is lubricated the method that has cam and rotate the oil engine of tappet, this method comprises uses the lubricant of following lubricating oil composition as engine---said composition contain phosphorus, 1500 to the 3000 quality ppm of base oil with lubricant viscosity, 50 to 900 quality ppm sulphur, 0.0 to 100ppm boron, be no more than the sulfated ash of 1.0 quality % and the friction improver of 0.0 to 0.1 quality %, described amount is based on the quality of the lubricating oil composition for preparing fully.

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