Downhole centrifugal pump diffuser with protuberant vanes and related pumps and methods
US11549520B2 · kind B2 · utility
0Cited by
37References
20Claims
0Family size
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Key dates
| Filing date | Oct 21, 2021 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Oct 21, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/122
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Stationary diffusers, downhole centrifugal pumps, and methods of pressurizing a fluid may include vanes configured to direct fluid flow through fluid passageways, where at least some of the vanes include a bulge or protrusion extending axially beyond the fluid passageways into an open rotational volume of the diffuser in a direction toward an impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.