The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Feb. 01, 2008
Wolfgang Diemer, Waldstetten, DE;
Martin Zeiler, Schwäbisch, DE;
Dieter Mohn, Berlin, DE;
Klaus Feifel, Schwäbisch Gmünd, DE;
Wolfgang Diemer, Waldstetten, DE;
Martin Zeiler, Schwäbisch, DE;
Dieter Mohn, Berlin, DE;
Klaus Feifel, Schwäbisch Gmünd, DE;
Pall Corporation, Port Washington, NY (US);
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.