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:
Feb. 01, 2022
Filed:
Jan. 08, 2020
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Stefan Kluck, Reilingen, DE;
Karsten Schulz, Neckarbischofsheim, DE;
Sascha Schumacher, Wald-Michelbach, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/52 (2006.01); B01D 46/24 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0068 (2013.01); B01D 46/0071 (2013.01); B01D 46/2414 (2013.01); B01D 46/521 (2013.01);
Abstract
A filter cartridge for cleaning an air flow includes a base, a cover provided with a central recess, and at least one pleated filter element arranged between the cover and the base. The at least one filter element encloses an interior space. The cover has a venturi nozzle, and the venturi nozzle engages in the pleated filter element. The venturi nozzle is spread out in comb-like fashion in the region of its end engaging in the filter element.