Title:
GREASE COMPOSITION AND ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2023/140383
Kind Code:
A1
Abstract:
[Problem] To provide: a grease composition with which satisfactory acoustic properties can be achieved even in high-load environments; and a rolling bearing, as well as a motor equipped with the bearing, in which the grease composition is used so that satisfactory acoustic properties can be achieved in high-load environments. [Solution] A grease composition comprising a fluorine-based base oil, a fluorine-based thickener, and yttria-stabilized zirconia nanoparticles; a rolling bearing packed with said grease composition; and a motor equipped with said rolling bearing.
Inventors:
TAKATA SHINTARO (JP)
Application Number:
PCT/JP2023/001965
Publication Date:
July 27, 2023
Filing Date:
January 23, 2023
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
C10M169/00; F16C33/66; H02K5/173; C10M105/52; C10M105/54; C10M119/22; C10N10/06; C10N10/08; C10N30/00; C10N40/00; C10N40/02
Foreign References:
| US20120184471A1 | 2012-07-19 | |||
| US20140106162A1 | 2014-04-17 | |||
| US20070105726A1 | 2007-05-10 |
Other References:
LI DANDAN, XIE YUCHEN, YONG HUAISONG, SUN DAZHI: "Surfactant-assisted preparation of Y 2 O 3 -stabilized ZrO 2 nanoparticles and their tribological performance in mineral and commercial lubricating oils", RSC ADVANCES, vol. 7, no. 7, 1 January 2017 (2017-01-01), pages 3727 - 3735, XP093079902, DOI: 10.1039/C6RA26346A
Attorney, Agent or Firm:
HANABUSA PATENT & TRADEMARK OFFICE (JP)
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