Submersible pump motor protector
US8328539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2009 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Aug 25, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/128
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
According to one or more aspects of the present disclosure, a motor protector comprises a housing defining a compensator chamber; a compensator disposed in the housing having a motor fluid end in fluid communication with a motor fluid and a well fluid end, the compensator axially moveable relative to the housing in response to the expansion and contraction of the motor fluid; and a port formed through the housing to provide fluid communication from exterior of the housing to the well fluid end of the compensator. The compensator may be one selected from the group of a bellows and a plunger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.