Purifier comprising a photocatalytic filter
US8048391B2 · kind B2 · utility
9Cited by
2References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 2008 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Jul 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0215
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a gas purifier containing a filtering media having a photocatalytic action, a system for illuminating said media with UV radiation, a time-delay means or a volatile organic compound analyzer, and a means for automatically adjusting the speed of the gas passing through the media or for adjusting the intensity of the UV illumination, said adjusting being carried out as a function of the time determined by the time-delay means or as a function of the content of a volatile organic compound analyzed by the analyzer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.