Gas engine lubricating oil composition
AssigneeInfineum International Limited
InventorsLaurent Chambard, Yolanda Owen
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Abstract
A gas engine lubricating oil composition that is substantially free from dispersant. The gas engine lubricating oil composition has a TBN in the range of 3.5 to 20. The gas engine lubricating oil composition comprises an oil of lubricating viscosity and at least one metal detergent.
Claims12
A gas engine lubricating oil composition having a TBN in the range of 3.5 to 20, the gas engine lubricating oil composition comprising:
- an oil of lubricating viscosity;
- and
- at least one metal salicylate detergent;
- characterised in that the gas engine lubricating oil composition is substantially free from dispersant.
A gas engine lubricating oil having a TBN in the range of 3.5 to 20, comprising a major amount of oil of lubricating viscosity, 0.5 to about 30 wt. % of at least one metal salicylate detergent, 0.05 to 3.0 wt % of antioxidant, 0.05 to 1.5 wt. % of anti-wear additive and less than 0.5 wt. % of dispersant.
Dependencies are inferred from the claim text.