Title:
GREASE COMPOSITION FOR BEARING OF WIND POWER GENERATOR
Document Type and Number:
WIPO Patent Application WO/2011/046201
Kind Code:
A1
Abstract:
Provided is a grease composition for the bearings of wind power generators, the composition comprising a lube base oil that has a dynamic viscosity at 40ºC of 10-70 mm2/s and a pour point of -40ºC or lower and a diurea compound, e.g., a diurea compound represented by formula (1), as a thickener. (In formula (1), R1 and R2 each is a C8 alkyl.) The grease composition for the bearings of wind power generators can accommodate not only fatigue life (peeling life) but also seizing life and pumpability.
Inventors:
NAMIKI MINORU (JP)
DONG DAMING (JP)
YOSHINARI TERASU (JP)
DONG DAMING (JP)
YOSHINARI TERASU (JP)
Application Number:
PCT/JP2010/068161
Publication Date:
April 21, 2011
Filing Date:
October 15, 2010
Export Citation:
Assignee:
KYODO YUSHI (JP)
NAMIKI MINORU (JP)
DONG DAMING (JP)
YOSHINARI TERASU (JP)
NAMIKI MINORU (JP)
DONG DAMING (JP)
YOSHINARI TERASU (JP)
International Classes:
C10M169/02; C10M101/02; C10M105/04; C10M105/18; C10M105/32; C10M107/02; C10M115/08; C10M135/10; C10N20/02; C10N30/00; C10N30/02; C10N30/06; C10N30/12; C10N40/02; C10N50/10
Foreign References:
| JP2006161624A | 2006-06-22 | |||
| JP2008111514A | 2008-05-15 | |||
| JP2008143958A | 2008-06-26 | |||
| JP2006182909A | 2006-07-13 | |||
| JP2008038088A | 2008-02-21 | |||
| JP2006077967A | 2006-03-23 | |||
| JP2006161624A | 2006-06-22 | |||
| JP2007063423A | 2007-03-15 | |||
| JP2008038088A | 2008-02-21 | |||
| JP2008111514A | 2008-05-15 |
Other References:
See also references of EP 2489721A4
Attorney, Agent or Firm:
TSUJII Koichi et al. (JP)
辻居 Koichi (JP)
辻居 Koichi (JP)
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