Hydrodynamic bearing device and inspection method of amount of working fluid
US7513688B2 · kind B2 · utility
6Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Aug 17, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2370/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydrodynamic bearing device in a hydrodynamic bearing device in which a sleeve (2) is covered with a cover (5), which is capable of easily confirming that a working fluid is favorably filled between the cover and the sleeve, and easily confirming that an adhesive (21) which bonds the cover and the sleeve is favorably filled, and an inspection method of an amount of the working fluid are provided. By using the cover having translucency, the filled state of the working fluid is visually recognized through the cover, and is confirmed with an image recognition apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.