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    • 9. 发明申请
    • Filtration media pack, filter element, and methods
    • 过滤介质包,过滤元件和方法
    • US20090127211A1
    • 2009-05-21
    • US12215718
    • 2008-06-26
    • Gary J. RocklitzRobert M. RogersDaniel AdamekMing OuyangAnitha M. Mathew
    • Gary J. RocklitzRobert M. RogersDaniel AdamekMing OuyangAnitha M. Mathew
    • B01D29/07B01D37/00B32B37/00
    • B01D46/526B01D46/0001B01D46/522B01D46/525B01D46/527Y10T156/10
    • A filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered fluid flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered fluid flowing out of the second portion of the plurality of flutes so that fluid passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the fluid. The filtration media pack can be provided with increased filtration media compared with commonly used z-media packs. Techniques for increasing the amount of filtration media available for filtration include increasing the flute density, reducing masking, adjusting flute width height ratio, increasing flute density, adjusting flute shape, and reducing plug length. Techniques for increasing performance while reducing initial pressure drop are also provided. A filter element containing the filtration media pack is provided, and the filter element includes a seal member extending around a periphery of the filtration media pack. A method for manufacturing a filtration media pack and a method for using a filtration media pack are provided.
    • 提供具有多层单面介质的过滤介质包。 单层介质层包括槽形片材,面层片材和在槽纹片材和面层片材之间延伸的多个槽纹,并且具有从过滤介质包装的第一面延伸到第二面的槽纹长度 过滤介质包装。 多个凹槽中的第一部分被封闭以流入多个凹槽的第一部分中的未过滤的流体,并且多个凹槽的第二部分被封闭以流过多个凹槽的第二部分的未过滤流体,因此 流入介质包的第一面和第二面之一并且介质包的第一面和第二面中的另一面的流体通过介质以提供流体的过滤。 与常用的z-媒体包相比,过滤介质包可以配备有增加的过滤介质。 用于增加可用于过滤的过滤介质的量的技术包括增加槽纹密度,减少掩蔽,调节槽宽高度比,增加槽纹密度,调节槽纹形状和减小插头长度。 还提供了用于在降低初始压降的同时提高性能的技术。 提供了包含过滤介质包的过滤元件,并且过滤元件包括围绕过滤介质包的周边延伸的密封件。 提供一种过滤介质包的制造方法和使用过滤介质包的方法。