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)
UENO KENJI (JP)
HIRAGA KOTARO (JP)
Application Number:
PCT/JP2017/027565
Publication Date:
February 01, 2018
Filing Date:
July 28, 2017
Export Citation:
Assignee:
EXXONMOBIL RES & ENG CO (US)
TOYOTA MOTOR CO LTD (JP)
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:
See also references of EP 3492565A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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