Title:
OIL IMPREGNATED SINTERED BEARING
Document Type and Number:
WIPO Patent Application WO/2004/072498
Kind Code:
A1
Abstract:
An oil impregnated sintered bearing, which is a porous sintered bearing having pores impregnated with an lubricating oil, characterized in that the lubricating oil comprises a base oil comprising a poly-&agr -olefin, and 2-ethylhexyl hydroxystearate. The lubricating oil may further comprises at least one lubricity-improving agent selected from the group consisting of polyisobutylene, polybutene and a poly(alkyl methacrylate).
Inventors:
YANASE TAKESHI (JP)
MIYASAKA MOTOHIRO (JP)
MIYASAKA MOTOHIRO (JP)
Application Number:
PCT/JP2004/001538
Publication Date:
August 26, 2004
Filing Date:
February 14, 2004
Export Citation:
Assignee:
HITACHI POWDERED METALS (JP)
YANASE TAKESHI (JP)
MIYASAKA MOTOHIRO (JP)
YANASE TAKESHI (JP)
MIYASAKA MOTOHIRO (JP)
International Classes:
C10M169/04; F16C17/02; F16C33/10; H02K7/08; (IPC1-7): F16C33/10; C10M169/04; H02K5/167
Foreign References:
| JPH09125086A | 1997-05-13 | |||
| JPS6436870A | 1989-02-07 | |||
| JPH11269475A | 1999-10-05 | |||
| JP2002310156A | 2002-10-23 |
Attorney, Agent or Firm:
Miyoshi, Hidekazu (Toranomon 1-chome Minato-ku, Tokyo, JP)
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