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    VENTED LIQUID FILTER VENTED THROUGH MEDIA
    4.
    发明公开
    VENTED LIQUID FILTER VENTED THROUGH MEDIA 审中-公开
    DURCH MEDIENBELÜFTETERFLÜSSIGKEITSFILTER

    公开(公告)号：EP2658629A4

    公开(公告)日：2016-06-15

    申请号：EP11854417

    申请日：2011-12-29

    申请人： BALDWIN FILTERS INC

    发明人： MARSHALL JAMES N ,  KRULL TIMOTHY L

    IPC分类号： B01D27/08 ,  B01D29/15 ,  B01D29/33 ,  B01D29/44 ,  B01D35/01

    CPC分类号： B01D29/21 ,  B01D35/153 ,  B01D35/1576 ,  B01D35/16 ,  B01D36/001 ,  B01D36/006 ,  B01D2201/0415 ,  B01D2201/291 ,  B01D2201/305 ,  B01D2201/316 ,  B01D2201/347

    摘要： A filter apparatus and filter element therefore are provided. The filter apparatus includes a filter head including an inlet port, a main flow outlet port and a drain flow outlet port. The filter element includes a ring of filter media defining an internal cavity. The filter element defines a main flow passage and a drain flow passage through the internal cavity. Each flow passage has an inlet on a clean side of the filter media directly fluidly communicating with the internal cavity. The main flow passage is fluidly coupled to the main flow outlet port. The drain flow passage (or air bleed passage) is fluidly coupled to the drain flow outlet port and includes (i) a restriction 154 sized large enough to allow air flow and small enough to prevent substantial liquid flow and (ii) a check valve 912 limiting flow to a single direction. The filter media separates the inlet port from the main flow and drain flow outlet ports.

    摘要翻译： 因此提供了一种过滤装置和过滤元件。 过滤装置包括过滤头，该过滤头包括入口端口，主流出口端口和排出流出口。 过滤元件包括限定内腔的过滤介质环。 过滤元件限定通过内部空腔的主流动通道和排出流动通道。 每个流动通道在过滤介质的干净的一侧上具有与内部空腔直接流体连通的入口。 主流道流体地联接到主流出口。 排水流通道流体地联接到排水流出口。 过滤介质将入口与主流和排出流出口分开。