Patent · US Active

Filter module

US8245853B2 · kind B2 · utility

1Cited by

7References

17Claims

0Family size

Assignee

Pall Corporation · US

Inventors

Wolfgang Diemer · Schwäbisch Gmünd, DE
Martin Zeiler · Schwäbisch Gmünd, DE
Dieter Mohn · Berlin, DE
Klaus Feifel · Schwäbisch Gmünd, DE

Key dates

Filing date	Feb 1, 2008
Grant date	Aug 21, 2012
Priority date	—
Expiry date	Jan 19, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D25/24
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a filter module comprising a body of wound layers of sheet material, with an inner and outer peripheral surface, a winding axis and a passage within the body, the sheet material having a plurality of openings forming at least two types of channels within the wound layers, the channels extending in a direction from the inner peripheral surface to the outer peripheral surface, a first type of channels in fluid communication with the outer periphery and closed at the end toward the inner periphery, a second type of channels in fluid communication with the inner periphery and closed at the end toward the outer periphery, the two types of channels separated by portions of sheet material, one of the types of channels being outlet channels and being covered by a filter material.

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