Downhole electrical submersible pump with dynamically stable bearing system
US6099271A · kind A · utility
19Cited by
18References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 2, 1999 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Apr 2, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/44
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bearing configuration for use in electrical submersible pumps having improved stability. The bearing configurations include multi-lobed bearings, such as lemon bore, tri-lobe bearings, pocket bearings and tilting pad type bearings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.