C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 133/56 (2006.01) C10M 141/10 (2006.01)
Patent
CA 2584813
The present invention relates to a low sulfur, low phosphorus, low-ash, zinc free consumable lubricant composition suitable for use in an internal combustion engine, comprising: an oil of lubricating viscosity containing less than 0.01 percent by weight of sulfur; a high TBN succinimide dispersant and overall all lubricant composition that has a sulfated ash value of up to about 0.2, a phosphorus content of up to about 50 to about 800 ppm and a sulfur content of up to about 0.4 percent by weight.
L'invention concerne une composition lubrifiante consommable exempte de zinc, à faible teneur en cendres, en phosphore et en soufre, pouvant être utilisée dans un moteur à combustion interne. Cette composition contient: une huile de viscosité lubrifiante contenant moins de 0,01 % en poids de soufre; et un agent dispersant succinimide à indice de base élevé. La composition selon l'invention présente une valeur de cendres sulfatées allant jusqu'à environ 0,2, une teneur en phosphore comprise entre environ 50 et environ 800 ppm, et une teneur en soufre allant jusqu'à environ 0,4 % en poids.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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