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US 7,803,745 B2Granted
Lubricant composition
AssigneeIdemitsu Kosan Co., Ltd.
InventorMoritsugu Kasai
Life of this patent
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Abstract
A lubricating oil composition of the present invention which contains an ether ashless friction modifier is applicable to a sliding surface having a low friction sliding member, is capable of imparting excellent low friction characteristics thereto and, in particular, is capable of giving a fuel saving effect when applied to an internal combustion engine.
Claims20
A method to lubricate a low friction sliding member, comprising:
- applying to the low friction sliding member, a lubricating oil composition, comprising:
- a base oil, and
- a (poly)glycerin ether compound represented by the general formula (I):
- wherein R1 represents a hydrocarbon group and n is an integer of 1 to 10, and wherein
- the low friction sliding member comprises a sliding surface which comprises diamond-like carbon.
2 more elements
Dependencies are inferred from the claim text.