Magnesium and boron containing lubricating oil composition for hybrid vehicles
AssigneesChevron Japan Ltd., Chevron Oronite Company LLC
InventorsIsao TANAKA, John Robert MILLER
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Abstract
Disclosed is a method for maintaining emulsion stability in a hybrid engine. The method involves lubricating and operating the hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; minor amount of a magnesium containing detergent, and a minor amount of a borated dispersant.
Claims10
A method for maintaining emulsion stability in a hybrid engine, said method comprising lubricating and operating the hybrid engine with a lubricating oil composition comprising:
- a. a major amount of an oil of lubricating viscosity;
- b. a minor amount of a magnesium containing detergent;
- and
- c. a minor amount of a borated dispersant.
A method of operating a hybrid engine, said method comprising
- lubricating and operating the hybrid engine with the lubricating oil composition comprising:
- a. a major amount of an oil of lubricating viscosity;
- b a minor amount of a magnesium containing detergent:
- and
- c. a minor amount of a borated dispersant.
The use of a lubricating oil composition to improve emulsification of water and/or fuel contamination in a hybrid engine comprising:
- providing to the hybrid engine a lubricating oil composition comprising:
- a. a major amount of an oil of lubricating viscosity;
- b a minor amount of a magnesium containing detergent:
- and
- c. a minor amount of a borated dispersant.
Dependencies are inferred from the claim text.