Title:
GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS, AND CONSTANT VELOCITY JOINT IN WHICH SAME IS SEALED
Document Type and Number:
WIPO Patent Application WO/2017/222018
Kind Code:
A1
Abstract:
The present invention provides a grease composition for constant velocity joints, which contains a lubricant base oil, a thickening agent that is composed of a nitrogen-containing compound, a triglyceride, a diester and boron nitride, and wherein: the total content of the triglyceride and the diester is 1-5% by mass based on the total mass of the grease composition; and the mass ratio of the triglyceride content to the diester content (triglyceride/diester) is 0.3-1.5.
Inventors:
ARAI TAKASHI (JP)
TOKUMO YASUHA (JP)
ISHIJIMA MINORU (JP)
KONOMOTO TAKEYOSHI (JP)
TOKUMO YASUHA (JP)
ISHIJIMA MINORU (JP)
KONOMOTO TAKEYOSHI (JP)
Application Number:
PCT/JP2017/023061
Publication Date:
December 28, 2017
Filing Date:
June 22, 2017
Export Citation:
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
NTN TOYO BEARING CO LTD (JP)
NTN TOYO BEARING CO LTD (JP)
International Classes:
C10M141/06; C10M115/08; C10M125/26; C10M129/72; C10M129/74; C10M135/18; C10M135/20; C10M137/10; F16D3/20; C10N10/04; C10N10/12; C10N30/00; C10N40/04; C10N50/10
Domestic Patent References:
| WO2014034647A1 | 2014-03-06 |
Foreign References:
| JP2008156624A | 2008-07-10 | |||
| JP2008069282A | 2008-03-27 | |||
| JPH10147791A | 1998-06-02 | |||
| JPH1112589A | 1999-01-19 | |||
| JPH01503789A | 1989-12-21 | |||
| JPH01503545A | 1989-11-30 | |||
| JP2007056139A | 2007-03-08 | |||
| JP2014043526A | 2014-03-13 |
Other References:
See also references of EP 3476922A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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