LUBRICATING OIL COMPOSITION FOR TRACTION DRIVE TRANSMISSION
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United States of America Patent
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Jul 14, 2016
app pub date -
Sep 5, 2014
filing date -
Sep 25, 2013
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Abstract
An object of the present invention is to provide a lubricating oil composition capable of improving oxidation stability by allowing a base number to remain, preserving seizure resistance, preventing generation of precipitation to be caused due to addition of a base, and inhibiting a lowering of traction coefficient. The lubricating oil composition for traction drive transmission includes (A) a base oil, (B) a phosphate ester-based compound, (C) an antioxidant, and (D) an amine represented by the following general formula (I) and/or an amine oxide of the amine.
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