Patent · US Expired

Method and apparatus for washing a plurality of filter elements

US4731100A · kind A · utility

35Cited by

8References

11Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Rudolf Loeffelmann · Langenfeld, DE
Hubert Freese · Goldkronach, DE
Ulrich Martini · Monheim, DE

Key dates

Filing date	Nov 8, 1985
Grant date	Mar 15, 1988
Priority date	—
Expiry date	Nov 8, 2005

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D46/79
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method and apparatus for simultaneously washing a plurality of generally tubular or sock-like filtering elements of a gas filtering apparatus without removing the elements from the apparatus, the filter elements being disposed in a regular array of rows and columns within a housing between an inlet and an outlet thereof. The method includes positioning in the housing a liquid conduit having a plurality of axially spaced spray nozzles for delivering washing liquid along one or more rows of elements and supplying washing liquid to the conduit.

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