Method and apparatus for pumping a material and a rotor for use in connection therewith
US6551054B1 · kind B1 · utility
8Cited by
15References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2001 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Aug 6, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05B2210/132
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus is disclosed for pumping a material, especially thick, gas-containing, fiber suspensions for wood processing. The apparatus includes a centrifugal pump with a rotor having blades twisted such that the pitch of the blade changes along the length of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.