Treatment device
US5637278A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1995 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | Jul 26, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D24/4689
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A treatment device such as a filter device, containing a treatment bed (2) of particulate treatment medium. A fluidizing unit (9) associated with the treatment medium particles, for removing the treatment medium particles from the treatment bed for rejuvenation. The fluidizing unit (9) comprises a liquid supply duct (11) having an outlet (10) and which is arranged to be fed with liquid under pressure from outside the filter bed, and a discharge duct (14) having an inlet (15) and which projects beyond the outlet (10) of the liquid supply duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.