Title:
DYNAMIC PRESSURE FLUID BEARING
Document Type and Number:
WIPO Patent Application WO/2006/018916
Kind Code:
A1
Abstract:
A foil type dynamic pressure gas bearing capable of providing excellent bearing performance by using a spring foil easily manufacturable and having excellent productivity and a dynamic pressure gas bearing capable of eliminating a restriction in a rotating direction by using an easily installable top foil fixing structure. The spring foil (12) formed of an elastic thin flat plate having a plurality of slits (16) is fitted to the inside wall of a bearing housing (11), a top foil (13) is disposed on the inside of the spring foil, and a rotating shaft (14) is disposed on the inside of the top foil. The spring foil (12) is bent at the positions of the slits (16) to form a large number of elastic beams in contact with the inside of the inside wall, and the rotating shaft (14) is elastically supported by the elastic beams.
Inventors:
WADA HISAO (JP)
KAIDO HIDEO (JP)
NISHIDA TOORU (JP)
KAIDO HIDEO (JP)
NISHIDA TOORU (JP)
Application Number:
PCT/JP2005/003314
Publication Date:
February 23, 2006
Filing Date:
February 28, 2005
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
WADA HISAO (JP)
KAIDO HIDEO (JP)
NISHIDA TOORU (JP)
WADA HISAO (JP)
KAIDO HIDEO (JP)
NISHIDA TOORU (JP)
International Classes:
F16C27/02; F16C17/12; F16C33/10; (IPC1-7): F16C27/02
Foreign References:
| JP2004190761A | 2004-07-08 | |||
| JPH0676716U | 1994-10-28 | |||
| JPH11247844A | 1999-09-14 | |||
| JP2004011839A | 2004-01-15 | |||
| JPH10331846A | 1998-12-15 |
Attorney, Agent or Firm:
Yoshitake, Kenji (Room 323 Fuji Bldg., 2-3, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, JP)
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