Title:
LUBRICANT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/208373
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a lubricant composition which can be applied as a gear oil for a high-output and high-speed gear mechanism, and whereby fuel saving as well as further wear resistance in a bearing of a pinion gear can be realized while maintaining excellent durability, seizure resistance, and stability are maintained. A lubricant composition containing a Fischer-Tropsch-derived base oil, a polyalpha-olefin, and an ester compound, and further containing an unsaturated fatty acid and/or a partial ester compound of an unsaturated fatty acid and a polyol, wherein the partial ester compound of an unsaturated fatty acid includes a monoester compound of an unsaturated fatty acid and a polyol in a ratio of 50% by mass with respect to the total amount of the partial ester compound, and the SAE viscosity grade of the lubricant composition is 75W-85 or lower.
Inventors:
MARUYAMA RYUJI (JP)
OHARA KENJI (JP)
MORIKI KEIICHI (JP)
NAGAKARI MITSUHIRO (JP)
KISHI MISATO (JP)
HIRAGA KOTARO (JP)
SHINYOSHI TAKATOSHI (JP)
OHARA KENJI (JP)
MORIKI KEIICHI (JP)
NAGAKARI MITSUHIRO (JP)
KISHI MISATO (JP)
HIRAGA KOTARO (JP)
SHINYOSHI TAKATOSHI (JP)
Application Number:
PCT/JP2019/016584
Publication Date:
October 31, 2019
Filing Date:
April 18, 2019
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
SHELL LUBRICANTS JAPAN K K (JP)
SHELL LUBRICANTS JAPAN K K (JP)
International Classes:
C10M169/04; C10M105/04; C10M105/32; C10M107/02; C10M129/26; C10M129/76; C10N20/02; C10N30/00; C10N30/02; C10N30/06; C10N40/04
Foreign References:
| JP2014098090A | 2014-05-29 | |||
| JP2017115038A | 2017-06-29 | |||
| JP2005343972A | 2005-12-15 | |||
| JP2008179780A | 2008-08-07 | |||
| JP2017119748A | 2017-07-06 | |||
| JP2012012536A | 2012-01-19 |
Attorney, Agent or Firm:
KAWAGUTI & PARTNERS (JP)
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