Pump
US12025135B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Oct 20, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/086
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The pump includes a ring-shaped first inclined surface formed in a portion of a production pipe located above a motor stator and inclined in a direction toward a central axis of the production pipe with respect to a direction from an upper end to a lower end of the production pipe, and a ring-shaped second inclined surface that is formed outside a lower end portion of a pump stator constituting an inner element and comes into surface contact with the first inclined surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.