Pumping device
US6881028B2 · kind B2 · utility
0Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2002 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Mar 20, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D9/041
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Apparatus for pumping a pulp suspension and simultaneous abduction of gas from the suspension is disclosed. The apparatus comprises at least one pulp pump including a pump housing with an inlet, a first outlet for the suspension, and a second outlet for the gas. The gas outlet is connected to at least one external vacuum pump by a gas conduit including a substantially vertical portion having a maximum height, located on a level above the pulp pump, and a flushing water supply for the supply of flushing water to the gas conduit connected above the substantially vertical portion of the gas conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.