Lubricating oil composition
AssigneeNippon Oil Co., Ltd.
InventorsShigeki Matsui, Kazuo Tagawa
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Abstract
The lubricating oil composition of the invention comprises a lubricating base oil with a urea adduct value of no greater than 4% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear agent at 0.01-0.2% by mass as phosphorus, based on the total amount of the composition.
Claims6
A lubricating oil composition comprising a lubricating base oil with a urea adduct value of no greater than 4% by mass, a NOACK evaporation of no greater than 15% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear agent at 0.01-0.2% by mass as phosphorus, based on the total amount of the composition.
Dependencies are inferred from the claim text.