Pump for pumping liquids including solid matter
US8231337B2 · kind B2 · utility
15Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2006 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Apr 14, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/2288
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a pump for pumping contaminated liquid including solid matter, comprising a pump housing provided with a rotatable impeller suspended in a drive shaft and having at least one vane, and an impeller seat, at least one part of the impeller and the impeller seat being movable in the axial direction in relation to each other. Furthermore, the impeller seat presents at least one groove in the top surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.