LUBRICATING OIL COMPOSITION - EXXONMOBIL RES & ENG CO

Title:

LUBRICATING OIL COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2018/021570

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a lubricating oil composition that can suppress wear of bearings and the like and scoring of gear teeth surfaces and the like even at low viscosity. Provided is a lubricating oil composition that includes a lubricating oil base oil, a sulfur-based extreme pressure agent, and a phosphorus-based extreme pressure agent, wherein the lubricating oil composition is characterized in that: the quantity of active sulfur in the sulfur-based extreme pressure agent is 5-30% by mass; the sulfur-based extreme pressure agent is included in the composition at a quantity of 5-15% by mass relative to the mass of the entire lubricating oil composition; and the phosphorus-based extreme pressure agent is included in the composition at a quantity of 1.5-8% by mass relative to the mass of the entire lubricating oil composition.

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Inventors:

UMAMORI NOBUHARU (JP)
UENO KENJI (JP)
HIRAGA KOTARO (JP)

Application Number:

PCT/JP2017/027565

Publication Date:

February 01, 2018

Filing Date:

July 28, 2017

Export Citation:

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Assignee:

EXXONMOBIL RES & ENG CO (US)
TOYOTA MOTOR CO LTD (JP)

International Classes:

C10M141/10; C10M169/04; C10M105/04; C10M107/02; C10M135/04; C10M137/04; C10M137/08; C10M137/10; C10N20/02; C10N30/00; C10N30/06; C10N40/04

Domestic Patent References:

WO2016022773A1	2016-02-11
WO2017131121A1	2017-08-03

Foreign References:

JP2002003879A	2002-01-09
US20110003724A1	2011-01-06
JP2007039480A	2007-02-15
JPH06200270A	1994-07-19
JPH0232195A	1990-02-01
JPH04255794A	1992-09-10
JP2004217797A	2004-08-05
JP2007131856A	2007-05-31

Other References: