Protector for electrical submersible pumps
US6981853B2 · kind B2 · utility
24Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2205/09
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relatively balanced pressure bellows free of sliding seals, and a multi-orientable labyrinth. Each of these motor protectors also may have various moisture absorbents, filters, particle shedders and various conventional motor protector components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.