Rotor bearing assembly
US8400035B2 · kind B2 · utility
9Cited by
13References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2009 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Mar 26, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/226
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electrical submersible pump according to one or more aspects of the present invention comprises a stator; a rotatably shaft; and a rotor bearing disposed between the shaft and the stator, the rotor bearing comprising carbide bearing sleeve receiving the shaft, wherein the carbide bearing sleeve does not form a keyway; and a device rotatively coupling the carbide bearing sleeve to the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.