Lubricant oil composition for internal combustion engine

Details Lubricant oil composition for internal combustion engine Lubricant oil composition for internal combustion engine

C - Chemistry, Metallurgy

10

M

C10M 171/02 (2006.01) C10M 101/02 (2006.01) C10M 109/02 (2006.01)

Patent

CA 2719588

The lubricating oil composition for an internal combustion engine of the invention comprises a lubricating base oil having a urea adduct value of not greater than 4 % by mass and a viscosity index of 100 or greater, an ash-free antioxidant containing no sulfur as a constituent element, and at least one compound selected from among ash-free antioxidants containing sulfur as a constituent element and organic molybdenum compounds.

L'invention concerne une composition d'huile lubrifiante destinée à un moteur à combustion interne. Cette composition est caractérisée en ce qu'elle contient: une huile de base lubrifiante à fraction d'addition d'urée de 4 % en masse ou moins et un indice de viscosité de 100 ou plus; et au moins un élément sélectionné parmi un antioxydant sans cendre qui ne contient pas de soufre en tant qu'élément constituant, un antioxydant sans cendre qui contient du soufre en tant qu'élément constituant et un composé organique de molybdène.

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