Filter element for filtering media

    公开(公告)号:US10252207B2

    公开(公告)日:2019-04-09

    申请号:US14788930

    申请日:2015-07-01

    申请人: MANN+HUMMEL GMBH

    IPC分类号: B01D46/52 B01D46/10

    摘要: A filter element for filtering media with a pleated filter medium is described. Each pleat (6) is formed by two pleated sheets which form a pleat tip (7) with one another on the crude side (3) exposed to oncoming flow. Two neighboring pleats (6) form a pleat base (8) with one another, wherein the crude side (3) and/or the clean side (4) of the filter medium has a plurality of elongated adhesive sections along at least two adhesive traces (14), each having at least one adhesive section and each having at least one adhesive interruption (15). The mutual spacing of the two pleated sheets in the region of the pleat tip (7) is between zero and two mm or the two pleated sheets are in contact with one another in the region of the pleat tip (7), wherein the pleat spacing (9) between the two pleated sheets of a pleat pocket (11) amounts to at least twice the pleat spacing in the region of the pleat tip 7 in the region of the pleat base (8).

    Apparatus and method for producing a bellows

    公开(公告)号:US10376828B2

    公开(公告)日:2019-08-13

    申请号:US15078859

    申请日:2016-03-23

    申请人: Mann+Hummel GMBH

    摘要: A device for producing a bellows from a filter medium, including: an embossing device embossing fold lines into a filter medium that runs through the embossing device, producing an embossed filter medium for folding into a folded filter medium; the folded section of the filter medium being delimited by two adjacent fold lines; an adhesive application device applying adhesive onto the embossed filter medium; and a folding device folding, in a zig-zag manner, the embossed filter medium onto which the adhesive was applied into the folded filter medium; wherein the folding device includes a plurality of adjacent supporting elements that can be moved into or out of a folding space of the folding device; wherein the supporting elements are movable into the folding space such, that at least one folded section of the folded filter medium is contacted and supported by a respective one of the plurality of supporting element.