Lubricant composition for reduction of fuel consumption in internal combustion engines
AssigneeMobil Oil Corporation
InventorsJohn W. Schick, Joan M. Kaminski
Life of this patent
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Abstract
Lubricating oils containing certain hydroxyl-containing acid esters have been found to be effective friction modifiers and to aid in the reduction of fuel consumption in internal combustion engines.
Claims20
A lubricating oil composition containing an additive amount, sufficient to provide fuel consumption reduction in an internal combustion engine, of a member selected from the group consisting of glycerol mono- and dioleate, sorbitan monooleate, sorbitan monolaurate, diisostearyl malate and diisostearyl tartrate.
A method of reducing fuel consumption in an internal combustion engine by lubricating the internal portion thereof with a lubricating oil composition containing an additive amount, sufficient to provide fuel consumption reduction in an internal combustion engine, of a member selected from the group consisting of glycerol mono- and dioleate, sorbitan monooleate, sorbitan monolaurate, diisostearyl malate and diisostearyl tartrate.
Dependencies are inferred from the claim text.