Fluid bearing device
US6712513B2 · kind B2 · utility
7Cited by
2References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Feb 23, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/085
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid bearing device achieves superior in wear start-stop resistance and in manufacturing ability. The fluid bearing device includes a shaft having a flange portion, a sleeve opposing to the shaft across a fluid bearing clearance of a radial fluid bearing, a counterpart member opposing to at least one of plane of the flange portion across a fluid bearing clearance of a thrust bearing. The flange portion and the sleeve portion being formed of copper alloy of mutually difference composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.