C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 161/00 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2609770
This invention relates to a lubricating composition containing (a) an oil soluble phosphorus amine salt; (b) about 0.0001 wt % to about 0.5 wt % of a metal containing detergent package comprising a phenate and a sulphonate; (c) a dispersant; (d) a dispersant viscosity modifier; (e) a metal deactivator; and (f) an oil of lubricating viscosity, wherein the lubricating composition contains less than about 0.25 wt % of a metal dialkyldithiophosphate. The invention further relates to a method of lubricating a transmission by employing the lubricating composition.
L'invention concerne une composition lubrifiante qui contient : (a) un sel aminique de phosphore soluble dans l'huile ; (b) entre environ 0,0001 % en poids et environ 0,5 % en poids d'un agent détergent contenant un métal qui comprend un phénate et un sulfonate ; (c) un dispersant ; (d) un modificateur de viscosité dispersant ; (e) un désactivateur de métaux ; et (f), une huile à viscosité lubrifiante, la composition lubrifiante contenant moins d'environ 0,25 % en poids d'un dialkyldithiophosphate métallique. L'invention concerne en outre un procédé de lubrification d'une transmission au moyen de ladite composition lubrifiante.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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