Lewis econosizer for hydraulically classifying particles
US4961843A · kind A · utility
17Cited by
8References
8Claims
0Family size
Inventor
Key dates
| Filing date | Apr 10, 1989 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Apr 10, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03B5/623
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A particle separator comprising a liquid column having a liquid admission point located above the column lower end. Coarse size particles migrate downwardly to a hopper in the columns lower end. Carrier liquid flows upwardly through the column; fine size particles are removed at different levels along the liquid path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.