Title:
FLUID BEARING DEVICE AND MOTOR HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2007/000925
Kind Code:
A1
Abstract:
A fluid bearing device having high bearing performance and high durable lifetime
and manufacturable at low cost. The fluid bearing device (1) comprises, as major
components, a shaft member (2) and a bearing member (7) having a cylindrical radial
bearing face (A) facing the outer peripheral surface (2a) of the shaft member
(2). The bearing member (7) is injection-molded with an electrocast part (10)
inserted therein, and the radial bearing face (A) is formed on the electrocast
part (10). Furthermore, a thrust bearing face (B) is formed on the upper end surface
(7b) of the bearing member (7), and the shaft member (2) is supported on the bearing
member in a thrust direction by the dynamic pressure action of a lubricating fluid
produced in the clearance of a thrust bearing facing the thrust bearing face (B).
Inventors:
KOMORI ISAO (JP)
Application Number:
PCT/JP2006/312430
Publication Date:
January 04, 2007
Filing Date:
June 21, 2006
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
KOMORI ISAO (JP)
KOMORI ISAO (JP)
International Classes:
F16C17/10; B29C45/14; C25D1/00; F16C33/14; F16C33/20; H02K7/08
Domestic Patent References:
| WO2004092600A1 | 2004-10-28 |
Foreign References:
| JP2003056552A | 2003-02-26 | |||
| JP2005155911A | 2005-06-16 | |||
| JP2003314534A | 2003-11-06 | |||
| JP2002276649A | 2002-09-25 |
Attorney, Agent or Firm:
EHARA, Syogo et al. (15-26 Edobori 1-chome, Nishi-k, Osaka-shi Osaka 02, JP)
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