Apparatus for centrifugal separation of coal particles
US5008083A · kind A · utility
5Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1988 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Aug 30, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/25375
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gravimetric cell for centrifugal separation of fine coal by density has a cylindrical body and a butterfly valve or other apparatus for selectively sealing the body radially across the approximate center of the cylinder. A removable top is provided which seals the cylinder in the centrifuge and in unvented areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.