Impeller and pump
US12247576B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2020 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Mar 29, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/048
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An impeller includes: main vanes which are provided in a front stage section of a hub so as to connect an outer surface of the front stage section and an inner surface of a shroud, and are arranged at intervals in a circumferential direction of the hub, wherein the main vanes generate an oblique flow of crude oil; and splitter vanes which are provided in a rear stage section of the hub so as to be connected to an outer surface of the rear stage section, and are arranged at intervals in the circumferential direction, wherein the splitter vanes generate an axial flow of the crude oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.