Air-filter device
US5505754A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 5, 1993 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | Apr 5, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2267/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air-filter device has folded filters which form a plurality of filter regions. The device possesses at least one cleaning device for a filter region. On the crude-air side, the cleaning device has a mechanism which generates a transport flow, parallel to the folded filters and directed transversely to the air flow in the filter mode, and a disposal outlet for the material conveyed by the transport flow. On the clean-air side, the air-filter device possesses a comb nozzle which is movable along the filter region and which has a plurality of nozzles arranged in one plane and directed to the folded filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.