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Title:
GREASE COMPOSITION AND ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2022/009841
Kind Code:
A1
Abstract:
The present invention relates to a grease composition containing a base oil, a thickener, a corrosion inhibitor, and an extreme pressure agent, wherein: the corrosion inhibitor includes 0.10-10.00 mass% of calcium sulfonate, 0.20-10.00 mass% of zinc sulfonate, and 0.10-10.00 mass% of zinc carboxylate relative to the total mass of the grease composition; and the extreme pressure agent includes 2.00-14.00 mass% of zinc dialkyl dithiophosphates relative to the total mass of the grease composition.

Inventors:
NIIYA KANAKO (JP)
MIYAKE KAZUNORI (JP)
MURAKAMI MASAYUKI (JP)
AKIMOTO SHOTA (JP)
MAEDA TAKAHIRO (JP)
NISHI KANAME (JP)
YOSHIHARA MICHITAKA (JP)
ISA KAZUKI (JP)
ANDO KOKI (JP)
Application Number:
PCT/JP2021/025324
Publication Date:
January 13, 2022
Filing Date:
July 05, 2021
Export Citation:
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Assignee:
JTEKT CORP (JP)
KYODO YUSHI (JP)
International Classes:
C10M129/26; C10M141/10; C10M133/12; C10M135/10; C10M137/10; F16C33/66; C10N10/04; C10N30/00; C10N30/12; C10N40/02; C10N50/10
Foreign References:
JPH10279981A1998-10-20
JP2008239687A2008-10-09
JP2009185084A2009-08-20
JP2011084646A2011-04-28
JP2012012441A2012-01-19
JP2012193298A2012-10-11
JP2014084442A2014-05-12
JP2020116496A2020-08-06
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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