Patent · US Expired

Air-filter device

US5505754A · kind A · utility

9Cited by
11References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 5, 1993
Grant dateApr 9, 1996
Priority date
Expiry dateApr 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.