Conical hydrodynamic pivot bearing
US6921209B2 · kind B2 · utility
2Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Jun 8, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A bearing having a conical hydrodynamic bearing section and a pivot bearing section. The bearing can be used with a spindle motor. The conical hydrodynamic bearing section is formed by the conical portion of the shaft and a correspondingly shaped cavity of the bearing sleeve. The pivot bearing section is located adjacently to the conical bearing section and is formed by the curved end face of the shaft and an endplate inserted into the cavity of the bearing sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.