Method of friction control
AssigneeThe Lubrizol Corporation
InventorsDaniel J. SACCOMANDO, Shawn DICKESS, Jody A. KOCSIS, Brent R. DOHNER
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Abstract
This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear, and wet-clutch a lubricating composition containing: (a) an oil of lubricating viscosity; and (b) a friction modifying additive which is the reaction product of a hydrocarbyl-substituted succinic anhydride and an acid functionalized amine compound.
Claims17
A method of maintaining static friction in an internal combustion engine comprising a crankcase and at least one of a gear and a wet-clutch, the method comprising supplying to the crankcase and at least one of the gear and wet-clutch a lubricating composition comprising:
- (a) an oil of lubricating viscosity;
- and
- (b) the reaction product of a hydrocarbyl-substituted succinic anhydride and an acid-functionalized amine compound.
Dependencies are inferred from the claim text.