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

IPC: B60H3/06 ,  B01D46/00 ,  B01D46/10 ,  B01D46/52 ,  B01D46/16 ,  B01D53/04

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.

公开(公告)号：US20210362082A1

公开(公告)日：2021-11-25

申请号：US17322924

申请日：2021-05-18

Applicant: Carl Freudenberg KG

Inventor： Achraf Khedimi ,  Birgit Goedicke ,  Jean-Francois Kerhault

IPC: B01D39/16 ,  B32B5/02 ,  B32B5/26 ,  D04H1/4382 ,  D04H1/492 ,  D04H1/724 ,  A62B23/02

Abstract: A face mask for protection against infectious agents includes: a filter medium from spun nonwoven, which has multicomponent filaments, which are split at least partially into elementary filaments. In an embodiment, the filter medium includes at least two layers of spun nonwoven. In an embodiment, each layer of spun nonwoven has a basis weight of 10 to 100 g/m2.