Electrical submersible pump (ESP) seal section service-less flange
US11572886B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Oct 30, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/086
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electric submersible pump (ESP) seal section assembly. The assembly comprises a seal section filled with dielectric oil; a coupling body partially inserted into the seal section, and a coupling body, wherein the coupling body is substantially cylindrical and has a first outside diameter at an upper end of the coupling body, has a second outside diameter smaller than the first diameter below the first outside diameter, has a circumferential tapered shoulder between the portion of the coupling body having the first diameter and the portion of the coupling body having the second diameter; a service-less flange coupled to the seal section, wherein the service-less flange defines a circumferential opening having a circumferential tapered shoulder on an upper edge that contacts the circumferential tapered shoulder of the coupling body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.