Multistage pump and method of making same
US6971848B2 · kind B2 · utility
8Cited by
12References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2003 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Feb 12, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D1/063
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method is provided for constructing an elongated pump. The pump has multiple stages within an outer housing. Each stage comprises an impeller and a diffuser. The diffusers are divided into separate groups that are compressed during construction of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.