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    FILTRATION ARTICLE CONTAINING A FILTRATION MATERIAL HAVING TWISTED PLEATS THEREIN
    1.
    发明申请
    FILTRATION ARTICLE CONTAINING A FILTRATION MATERIAL HAVING TWISTED PLEATS THEREIN 审中-公开
    包含过滤器的过滤材料过滤器

    公开(公告)号：WO2015179164A3

    公开(公告)日：2016-03-10

    申请号：PCT/US2015030243

    申请日：2015-05-12

    Applicant: GORE & ASS

    Inventor： NEITZEL EDWARD T

    IPC: B01D29/13 ,  B01D29/01 ,  B01D29/07 ,  B01D29/21 ,  B01D29/23

    CPC classification number: B01D29/071 ,  B01D29/012 ,  B01D29/13 ,  B01D29/213 ,  B01D29/235 ,  B01D2201/12 ,  B01D2201/125 ,  Y10T29/49803

    Abstract: A filtration device having therein a pleated, twisted filtration material is provided. The filtration material has a generally cylindrical shape and includes a first end, a second end opposing the first end, and outwardly projecting pleats. The pleats have a non-linear orientation within the filtration device. The twisting of the filtration material moves the ends of the pleats a distance around the circumference of the filtration material from a first position (P1) to a second position (P2). The angle of rotation may range from about 5 degrees to about 1440 degrees. Twisting the filtration material increases the effective amount of filtration material in the filtration device, which in turn, corresponds to an increase in the Effective Filtration Area (EFA). The intentional misalignment of the pleat ends in the filtration material improves the cutting ability of the material, removes buckling of the material, and improves the quality of the trim cut.

    Abstract translation: 提供了一种其中具有打褶的扭曲过滤材料的过滤装置。 过滤材料具有大致圆柱形的形状，并且包括第一端，与第一端相对的第二端和向外突出的褶。 褶皱在过滤装置内具有非线性取向。 过滤材料的扭转将褶皱的端部从第一位置（P1）移动到第二位置（P2），围绕过滤材料的圆周一定距离。 旋转角度可以在约5度至约1440度的范围内。 过滤材料的加捻增加了过滤装置中过滤材料的有效量，这反过来又对应于有效过滤面积（EFA）的增加。 过滤材料中褶皱端的故意偏移提高了材料的切割能力，消除了材料的翘曲，并提高了修剪切割的质量。

    FILTRATION ARTICLE CONTAINING A FILTRATION MATERIAL HAVING TWISTED PLEATS THEREIN
    3.
    发明申请
    FILTRATION ARTICLE CONTAINING A FILTRATION MATERIAL HAVING TWISTED PLEATS THEREIN 审中-公开
    包含过滤器的过滤材料过滤器

    公开(公告)号：WO2015179164A2

    公开(公告)日：2015-11-26

    申请号：PCT/US2015/030243

    申请日：2015-05-12

    Applicant: W.L. GORE & ASSOCIATES, INC.

    Inventor： NEITZEL, Edward, T.

    IPC: B01D29/13

    CPC classification number: B01D29/071 ,  B01D29/012 ,  B01D29/13 ,  B01D29/213 ,  B01D29/235 ,  B01D2201/12 ,  B01D2201/125 ,  Y10T29/49803

    Abstract: A filtration device having therein a pleated, twisted filtration material is provided. The filtration material has a generally cylindrical shape and includes a first end, a second end opposing the first end, and outwardly projecting pleats. The pleats have a non-linear orientation within the filtration device. The twisting of the filtration material moves the ends of the pleats a distance around the circumference of the filtration material from a first position (P1) to a second position (P2). The angle of rotation may range from about 5 degrees to about 1440 degrees. Twisting the filtration material increases the effective amount of filtration material in the filtration device, which in turn, corresponds to an increase in the Effective Filtration Area (EFA). The intentional misalignment of the pleat ends in the filtration material improves the cutting ability of the material, removes buckling of the material, and improves the quality of the trim cut.

    Abstract translation: 提供了一种其中具有打褶的扭曲过滤材料的过滤装置。 过滤材料具有大致圆柱形的形状，并且包括第一端，与第一端相对的第二端和向外突出的褶。 褶皱在过滤装置内具有非线性取向。 过滤材料的扭转将褶皱的端部从第一位置（P1）移动到第二位置（P2），围绕过滤材料的圆周一定距离。 旋转角度可以在约5度至约1440度的范围内。 过滤材料的加捻增加了过滤装置中过滤材料的有效量，这反过来又对应于有效过滤面积（EFA）的增加。 过滤材料中褶皱端部故意的未对准提高了材料的切割能力，消除了材料的弯曲，并提高了修剪切割的质量。

    PLEATED FILTER MEDIA
    5.
    发明申请
    PLEATED FILTER MEDIA 审中-公开
    PLEATED FILTER媒体

    公开(公告)号：WO2015199834A1

    公开(公告)日：2015-12-30

    申请号：PCT/US2015/030830

    申请日：2015-05-14

    Applicant: CATERPILLAR INC.

    Inventor： MORRIS, Bryant Alan

    IPC: B01D46/52 ,  B01D29/21

    CPC classification number: B01D46/522 ,  B01D29/21 ,  B01D46/521 ,  B01D2201/02 ,  B01D2201/125 ,  B01D2275/201 ,  B01D2275/206

    Abstract: A filter (60) element includes a center tube (64) and a blank (30) of a filter media (32). The center tube (64) has a first end and a second end. The blank (30) is folded into a plurality of triangles (38). Each triangle is disposed adjacent to another of the plurality of triangles (38) to form a series of triangular pleats (40) to form a pleated filter media (32). The pleated filter media (32) is disposed about the center tube (64). A cross sectional area of the pleated filter media (32) proximal to each of the first end and the second end is greater than a cross sectional area of the pleated filter media (32) at a point between the first end and the second end.

    Abstract translation: 过滤器（60）元件包括中心管（64）和过滤介质（32）的坯料（30）。 中心管（64）具有第一端和第二端。 坯料（30）折叠成多个三角形（38）。 每个三角形被设置成与多个三角形（38）中的另一个相邻，以形成一系列三角形褶皱（40）以形成打褶的过滤介质（32）。 打褶的过滤介质（32）围绕中心管（64）设置。 接近于第一端和第二端中的每一个的打褶的过滤介质（32）的横截面面积大于在第一端和第二端之间的点处的褶式过滤介质（32）的横截面面积。

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