Electric motor and rod-driven rotary gear pumps
US11208999B2 · kind B2 · utility
2Cited by
11References
20Claims
0Family size
Inventors
Key dates
| Filing date | Feb 27, 2017 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Feb 27, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C15/008
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A downhole pumping apparatus comprising a positive displacement rotary gear pump (RGP), driven by a rotating rod string or a submersible electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.