Lubricating oil compositions

Details Lubricating oil compositions Lubricating oil compositions

C - Chemistry, Metallurgy

10

M

C10M 141/10 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2599286

An internal combustion engine crankcase lubricating oil composition has a TBN no greater than 6 and contains the following additives: a metal detergent system having a metal ratio no greater than 3, as the sole detergent system; an organic ashless friction modifier; an oil-soluble molybdenum friction modifier; and a metal dihydrocarbyl dithiophosphate.

L'invention concerne une composition d'huile lubrifiante de carter de moteur à combustion interne possédant un indice de basicité ne dépassant pas 6 et contenant les additifs suivants: un système détergent métallique possédant un rapport métallique ne dépassant pas 3, en tant que seul système détergent; une charge modifiant le coefficient de frottement organique sans teneur en cendres; une charge modifiant le coefficient de frottement à molybdène liposoluble; et un dithiophosphate de dihydrocarbyl métallique.

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