Patent · US Expired

Filter for cleaning gases

US4566882A · kind A · utility

6Cited by

3References

11Claims

0Family size

Assignee

Klockner-Humboldt-Deutz AG · DE

Inventors

Harald Hoffmann · Much, DE
Gunter Henrich · Leverkusen, DE
Heinz-Dieter Waldhecker · Bensberg, DE

Key dates

Filing date	Mar 20, 1984
Grant date	Jan 28, 1986
Priority date	—
Expiry date	Mar 20, 2004

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D46/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter structure including a circular housing and annularly disposed individual filter chambers each containing a layer of bulk filter material with a centrally located waste channel having openings leading from each of the chambers above the surface of the filter material, an outer jet for each chamber for directing a cleaning agent along the top of the filter material, a separate supply for fresh filter material at the top of each chamber, clean gas discharge conduits located below the individual filter chambers and a cleaning gas jet connected to each of the clean gas discharge conduits leading downwardly from each of the chambers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.