Patent · US Active

Filter sealing system

US7648545B2 · kind B2 · utility

11Cited by

26References

11Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Dieter Amesoeder · Bietigheim-Bissingen, DE
Sabine Fleck · Ettlingen, DE
Pius Trautmann · Dingolfing, DE

Key dates

Filing date	Jun 23, 2006
Grant date	Jan 19, 2010
Priority date	—
Expiry date	Mar 20, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2275/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An axial flow filter element including alternating flat and folded media layers forming axial channels, one end of a first group of channels being sealed and the remaining channels being sealed at the other end so fluid flowing through the element passes from channels of the first group through the filter media to channels of the second group to exit the filter; channels of the second group adjoining each side of channels of the first group spaced from the edge of the filter element so fluid flows through the entire lateral area of the first channels; an annular sealing collar adjacent an axial end face of the filter element connected to the exterior of the element to seal the element in a housing; part of the collar projecting axially beyond the end face of the element, and a frame connected to the projecting part for radially supporting the collar.

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