Dual seal for optimized performance
US7726882B2 · kind B2 · utility
4Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2006 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Oct 17, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2370/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid dynamic bearing having a hub, a sleeve, and a sealing arrangement comprising a first capillary seal substantially retaining a first fluid and a second capillary seal comprising a second fluid. The second capillary seal is located between the first capillary seal and an opening between the hub and the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.