公开(公告)号：US20220176296A1

公开(公告)日：2022-06-09

申请号：US17546078

申请日：2021-12-09

Applicant: Carl Freudenberg KG

Inventor： Tobias Beisel ,  Alexander Oelsner ,  Christoph Krambs ,  Peter Zimmermann ,  Emre Karasu ,  Peter Capuani

IPC: B01D46/12 ,  B01D46/42 ,  B01D46/00 ,  B01D46/24 ,  B01D46/40 ,  B01D46/62

Abstract: The invention relates to a filter arrangement for cleaning an air stream having at least three filter elements, wherein each filter element has a bellows made of pleated filter medium, wherein the filter elements are arranged in series and any two adjacent filter elements are connected to one another by means of a connecting tab. According to the invention, a fold run-out of all end folds of all bellows is oriented in a particular direction, the connecting tabs are of two different embodiments and the different embodiments of the connecting tabs are arranged alternatingly when viewed in a longitudinal direction of the filter arrangement. Not only is a simple installation of the filter elements in a filter holder thus facilitated but also a defined seating of the filter elements in the filter holder is ensured.

公开(公告)号：US12083467B2

公开(公告)日：2024-09-10

申请号：US17546078

申请日：2021-12-09

Applicant: Carl Freudenberg KG

Inventor： Tobias Beisel ,  Alexander Oelsner ,  Christoph Krambs ,  Peter Zimmermann ,  Emre Karasu ,  Peter Capuani

IPC: B01D46/12 ,  B01D46/00 ,  B01D46/24 ,  B01D46/40 ,  B01D46/42 ,  B01D46/62

CPC classification number: B01D46/12 ,  B01D46/0008 ,  B01D46/0016 ,  B01D46/2403 ,  B01D46/406 ,  B01D46/4236 ,  B01D46/62

Abstract: The invention relates to a filter arrangement for cleaning an air stream having at least three filter elements, wherein each filter element has a bellows made of pleated filter medium, wherein the filter elements are arranged in series and any two adjacent filter elements are connected to one another by means of a connecting tab. According to the invention, a fold run-out of all end folds of all bellows is oriented in a particular direction, the connecting tabs are of two different embodiments and the different embodiments of the connecting tabs are arranged alternatingly when viewed in a longitudinal direction of the filter arrangement. Not only is a simple installation of the filter elements in a filter holder thus facilitated but also a defined seating of the filter elements in the filter holder is ensured.