Shaftless centrifugal pump
US8267645B2 · kind B2 · utility
6Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D13/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A centrifugal pump has impellers that are not connected by a central shaft. More specifically, each of the impellers has a separate hub segment that interlocks with an adjacent hub segment from another impeller. The hub segments are rotated in unison with each other to rotate the impellers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.