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公开(公告)号：US20200016959A1
公开(公告)日：2020-01-16
申请号：US16439771
申请日：2019-06-13
Applicant: Carl Freudenberg KG
Inventor： Ulrich Stahl , Judith Hemmerling , Christoph Krambs , Oliver Kurtz , Gerhard Schoepping , Birgit Goedicke , Alen Nosic , Angela Weik , Renate Tapper , Saru Dawar , Mark Stiborsky , Anette Arnold
Abstract: A filter arrangement for a vehicle includes a flat filter element. The filter element has a filter medium and is integrated into an interior component of the vehicle. The filter element forms a surface facing an interior of the vehicle. In an embodiment, air flows through the filter element, and the air exits through the filter element into the interior of the vehicle.
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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
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.
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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
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.
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