Filter assembly for air purifier
US6866695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2004 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Feb 3, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air purifying device is provided for removing airborne particles. The device includes a housing including an air inlet and an air outlet. A fan is positioned within the housing for drawing air into the housing through the air inlet and expelling air through the air outlet. A filter assembly is positioned within the housing between the air inlet and the fan. The filter assembly includes a frame and a filter element mounted to the frame. The device also includes a hanger and an elongate hanger support that removably extends within the hanger. Either the hanger or the elongate hanger support is coupled to the frame while the other is coupled to the housing. The hanger can include a channel or a pair of opposed legs configured to form a gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.