C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/12 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2648219
The present invention is directed to a lubricating oil composition comprising a lubricating oil basestock, an organic silane containing additive of at least 0.1 and less than 2.0 weight percent of the composition, a dispersant-detergent-inhibitor system of less than 15 weight percent of the composition, an organic boron additive of at least 0.1 and less than 8.0 weight percent of the composition, a zinc dithiophosphate additive of at least 0.1 weight percent of the composition and less than 1.6 weight percent of the composition and the composition having at least 80 PPM and less than 1600 RPM silicon, at least 100 PPM and less than 630 PPM phosphorus, at least 105 PPM and less than 710 PPM zinc, at least 1,000 PPM and less than 4,000 PPM sulfur, at least 800 PPM, less than 10,000 PPM ash and less than 450 PPM boron. In a second embodiment, an additive composition for lubricating oils is disclosed. In a third embodiment, a method of obtain a favorable lubricating properties is disclosed.
L'invention concerne une composition d'huile lubrifiante contenant une huile de base, un silane organique contenant au moins 0,1 et moins de 2,0% en poids d'un additif d'au moins, moins de 15% en poids d'un système d'inhibition dispersant-détergent, au moins 0,1 et moins de 8,0% en poids d'un additif au bore organique, au moins 0,1 et moins de 1,6% en poids d'un additif au dithiophosphate de zinc, cette composition ayant par ailleurs au moins 80 p.p.m. et moins de 1600 p.p.m. de silicium, au moins 100 p.p.m. et moins de 630 p.p.m. de phosphore, au moins 105 p.p.m. et moins de 710 p.p.m. de zinc, au moins 1000 p.p.m. et moins de 4000 p.p.m. de soufre, au moins 800 p.p.m., moins de 10.000 p.p.m. de cendre et moins de 450 p.p.m. de bore. Dans un second mode de réalisation, l'invention concerne une composition additive pour lubrifier les huiles. Dans un troisième mode de réalisation, l'invention concerne une méthode d'obtention des propriétés lubrifiantes favorables.
Buck William H.
Farng Liehpao Oscar
Givens Willie A.
Horodysky Andrew G.
Jackson Andrew
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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