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    Filter medium
    3.
    发明授权
    Filter medium 有权

    公开(公告)号：US11014038B2

    公开(公告)日：2021-05-25

    申请号：US16021497

    申请日：2018-06-28

    申请人： MANN+HUMMEL GmbH

    发明人： Christoph Hitzke ,  Matthias Heinzmann ,  Christoph Krautner ,  Thomas Pemsel

    IPC分类号： B01D53/02 ,  B01D53/04 ,  B01D53/88 ,  B01D53/82 ,  B01D39/20 ,  B01D53/86 ,  B01J20/20 ,  B01J20/28

    摘要： The invention describes a filter medium (10), in particular for an air filter, in particular an interior air filter or for a fuel cell, including at least three active layers: a catalytic active layer (12) comprising catalytic activated carbon particles (12a), a second active layer (14) comprising impregnated or catalytic activated carbon particles (14a), a third active layer (16) comprising impregnated or catalytic activated carbon particles (16a), wherein at least one active layer comprises impregnated activated carbon particles and the three active layers (12, 14, 16) differ from one another. The invention further discloses a filter media body including the filter medium; a filter element including the filter media body or the filter medium; an air filter including the filter element or the filter media body or the filter medium, and a production method for producing the filter medium.

    Filter medium
    6.
    发明申请
    Filter medium 审中-公开

    公开(公告)号：US20190001253A1

    公开(公告)日：2019-01-03

    申请号：US16021497

    申请日：2018-06-28

    申请人： MANN+HUMMEL GmbH

    发明人： Christoph Hitzke ,  Matthias Heinzmann ,  Christoph Krautner ,  Thomas Pemsel

    IPC分类号： B01D53/04 ,  B01D39/20 ,  B01D53/86 ,  B01J20/20 ,  B01J20/28

    摘要： The invention describes a filter medium (10), in particular for an air filter, in particular an interior air filter or for a fuel cell, including at least three active layers: a catalytic active layer (12) comprising catalytic activated carbon particles (12a), a second active layer (14) comprising impregnated or catalytic activated carbon particles (14a), a third active layer (16) comprising impregnated or catalytic activated carbon particles (16a), wherein at least one active layer comprises impregnated activated carbon particles and the three active layers (12, 14, 16) differ from one another. The invention further discloses a filter media body including the filter medium; a filter element including the filter media body or the filter medium; an air filter including the filter element or the filter media body or the filter medium, and a production method for producing the filter medium.

    FILTER MEDIUM, FILTER ELEMENT AND USE THEREOF AND FILTER ARRANGEMENT
    10.
    发明申请
    FILTER MEDIUM, FILTER ELEMENT AND USE THEREOF AND FILTER ARRANGEMENT 审中-公开

    公开(公告)号：US20200024781A1

    公开(公告)日：2020-01-23

    申请号：US16585812

    申请日：2019-09-27

    申请人： MANN+HUMMEL GmbH

    发明人： Stefan Orendt ,  Thomas Pemsel

    IPC分类号： D04H3/147 ,  D04H3/018 ,  B01D39/16

    摘要： A filter medium (10) for filtering a fluid, in particular for use in an interior air filter (32), comprises a spun-bonded nonwoven formed at least in part of multi-component segmented pie fibers (1) having at least a first plastic component (2) and a second plastic component (3). The multi-component fibers (1) are largely non-split, and in order to manufacture same, segmented pie filaments are spun in a spun-bonding process (S4) to form a spun-bonded nonwoven (10). The segmented pie filaments then form the multi-component fibers (4), the first plastic component (2) and/or the second plastic component (3) being made in particular of a polypropylene.