Power transmission fluids with improved friction break-in

Details Power transmission fluids with improved friction break-in Power transmission fluids with improved friction break-in

C - Chemistry, Metallurgy

10

M

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

Patent

CA 2300175

The present invention generally pertains to a power transmission fluid composition comprising: (a) a major amount of lubricating oil; (b) an oil soluble phosphorus compound; (c) an ashless dispersant; and (d) an amine (i.e., alkyl primary amine) having the following Structure (1): R-NH2 wherein R is about a C8 to C30 alkyl. Optionally, the power transmission fluid composition may include an amine containing friction modifier.

L'invention concerne en général une composition de fluide de transmission d'énergie contenant (a) une quantité majeure d'huile lubrifiante, (b) un composé de phosphore soluble dans l'huile, (c) un dispersant sans cendres et (d) une amine (notamment, une alkylamine primaire) représentée par la formule suivante I: R-NH2 dans laquelle R représente alkyle C8-C30. Cette composition peut éventuellement comporter un modificateur de friction contenant une amine.

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