Air purifier
US7942956B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 30, 2009 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/4508
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An air purifier with bactericidal and odor removal effect is disclosed. The air purifier comprises a fan module; UV light source; and light catalyst, wherein the fan module withdraws external air into the purifier and the UV light source and the light catalyst are provided at the rear section of the fan module so as to receive the external air withdrawing by the fan module, and the UV light source and the light catalyst are configured to form a passage; the radiation of UV light source onto the light catalyst causes the formation of free radicals in air which decompose bacteria, micro dust and suspension within the air, to clean air odor removal and air drying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.