Rectilinear turbulent flow type air purifier
US5622543A · kind A · utility
Inventor
Key dates
| Filing date | Sep 20, 1995 |
| Grant date | Apr 22, 1997 |
| Priority date | — |
| Expiry date | Sep 20, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C3/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air purifier including a housing, a front cover, a front wire gauze filter, an anion generating pin board, a dust collector, and an active carbon filter, wherein: the housing has a plurality of parallel tracks horizontally disposed at different elevations for mounting the front wire gauze filter, the anion generating pin board, the dust collector, and the active carbon filter, a plurality of arched metal springs fixedly fastened to the parallel tracks for connecting power supply to the anion generating pin board and the dust collector, a side cover, and a micro switch which turns on power supply when the side cover is installed, or to turn off power supply when the side cover is removed from the housing; the dust collector has a plurality of equally spaced round holes over the whole area thereof, and is controlled to produce positive ions; the anion generating pin board has a plurality of triangular projecting plates perpendicularly raised from one side thereof and respectively aimed at the center of every four adjacent round holes of the dust collector, and is controlled to produce negative ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.