Air filtration apparatus and filter cartridge retaining means therefor
US5746796A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1997 |
| Grant date | May 5, 1998 |
| Priority date | — |
| Expiry date | Jan 22, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2265/025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter apparatus generally including a housing defining an air plenum having an inlet and at least one outlet, a filter member having an outlet, disposable within the air plenum in a preoperative position with the outlet thereof in registry with the housing outlet, means selectively operable when the filter member is in the preoperative position for displacing the filter member into an operative position with the filter member outlet communicating with the housing outlet and the filter member in sealing engagement with the housing about the housing outlet, and means for producing an airflow from the housing inlet and through the filter member and the housing outlet whereby airborne particles entrained in airflow drawn through the housing inlet are caused to be removed by the filter member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.