Gas filtering device
US6627166B1 · kind B1 · utility
20Cited by
4References
15Claims
0Family size
Inventor
Key dates
| Filing date | Apr 12, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Apr 12, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D50/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a device for filtering gas comprising a microporous or microfibrous adsorbent filter (6) and means for forcing an air flow between an exhaust hood (2) and outlet duct (3) for the filtered air. The invention is characterized in that it comprises liquid spraying means (18) and centrifuging means arranged between the spray means and the filtered gas outlet. The particles wetted by the sprayer are blocked by the internal rotary filter and discharged with the carrier liquid towards an external container (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.