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    FILTER MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND METHOD FOR MANUFACTURING FILTER MEDIUM FOR AIR FILTER
    1.
    发明公开
    FILTER MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND METHOD FOR MANUFACTURING FILTER MEDIUM FOR AIR FILTER 审中-公开
    过滤介质，空气滤清器，滤芯，空气过滤装置及其制造方法过滤介质空气滤清器

    公开(公告)号：EP3124093A1

    公开(公告)日：2017-02-01

    申请号：EP15767950.7

    申请日：2015-03-20

    申请人： Daikin Industries, Ltd.

    发明人： SHIBUYA, Yoshiyuki ,  KIYOTANI, Hideyuki ,  INUI, Kunihiko ,  BAO, Li ,  CHAEN, Shinichi ,  YAMAMOTO, Seigo ,  KOBAYASHI, Makoto ,  NIINUMA, Hitoshi

    IPC分类号： B01D39/16 ,  B01D46/52 ,  B01D63/14 ,  B01D65/00 ,  B01D71/36

    CPC分类号： B01D46/543 ,  B01D39/1623 ,  B01D39/1692 ,  B01D46/521 ,  B01D69/10 ,  B01D71/36 ,  B01D2239/065 ,  B01D2239/0654 ,  B01D2239/10 ,  B01D2239/1216 ,  B01D2275/10 ,  B01D2275/305

    摘要： The present invention provides a filtering medium for an air filter which has a greatly increased dust retention amount while maintaining high collecting efficiency, a filter pack, an air filter unit, and a method for producing the filtering medium for an air filter. The filtering medium for an air filter of the present invention is provided with a first porous membrane and a second porous membrane mainly composed of a fluororesin. The second porous membrane is disposed on the downstream side of airflow compared to the first porous membrane. The first porous membrane has a dust retention amount of the polyalphaolefin particles when the air containing polyalphaolefin particles with a count median diameter of 0.25 µm is continuously passed through at a flow rate of 5.3 cm/sec, which is larger than that of the second porous membrane. The filtering medium for an air filter has a pressure loss of less than 200 Pa, a collecting efficiency for NaCl particles with a particle diameter of 0.3 µm is 99.97% or more, and the dust retention amount for the polyalphaolefin particles with a count median diameter of 0.25 µm is 25 g/m 2 or more.

    摘要翻译： 本发明提供一种用于空气过滤器的过滤介质，其具有同时保持高的集电效率，过滤器包以空气过滤器单元大大增加的尘埃滞留量，以及用于制造用于在空气过滤器过滤介质的方法。 在本发明的空气过滤器的过滤介质被设置有第一多孔膜和主要由氟树脂构成的第二多孔膜。 第二多孔膜设置在相比于第一多孔膜的空气流的下游侧。 所述第一多孔膜具有聚α-烯烃颗粒当含有聚α-烯烃颗粒的0点25微米的计数中值直径的空气连续地通过在5.3cm /秒的流速通过的尘埃滞留量，在所有这比第二多孔的较大 膜。 在空气过滤器的过滤介质具有小于200帕，对于具有0.3微米的颗粒直径的NaCl颗粒的收集效率为99.97％以上的用于与计数中值直径的聚α-烯烃颗粒的压力损失，且尘埃滞留量 的0:25微米为25g / m 2以上。

    EMBOSSED FILTER MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND PRODUCTION METHOD FOR EMBOSSED FILTER MEDIUM FOR AIR FILTER
    4.
    发明公开
    EMBOSSED FILTER MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND PRODUCTION METHOD FOR EMBOSSED FILTER MEDIUM FOR AIR FILTER 审中-公开
    压花中效过滤器空气滤清器，滤芯，空气过滤装置和方法EMBOSSED中效过滤器空气滤清器

    公开(公告)号：EP3061512A1

    公开(公告)日：2016-08-31

    申请号：EP14855774.7

    申请日：2014-10-22

    申请人： Daikin Industries, Ltd.

    发明人： HARA, Satoshi ,  INUI, Kunihiko ,  BAO, Li ,  KOBAYASHI, Makoto ,  NIINUMA, Hitoshi

    IPC分类号： B01D39/16 ,  B01D46/52 ,  B01D63/14 ,  B01D71/36

    CPC分类号： B01D46/522 ,  B01D39/1623 ,  B01D39/1692 ,  B01D46/0001 ,  B01D46/523 ,  B01D2239/0654 ,  C08L27/18 ,  C08L2205/025 ,  C08L2205/03

    摘要： Provided are an embossed air filter filtration medium, a filter pack, and an air filter unit, with which a rise in pressure loss associated with the embossing process is minimized; and a method for manufacturing an embossed air filter filtration medium with which the rise in pressure loss associated with the embossing process is minimized. The embossed air filter filtration medium is an embossed air filter filtration medium for trapping dust in a stream of air, provided with one or a plurality of porous films that include a fibril-formable polytetrafluoroethylene, a non-fibril-forming and non-hot-melt-processable component, and a non-fibril-forming and hot-melt-processable component having a melting point below 320°C; and a plurality of air-permeable support materials supporting the porous film. The surfaces of both sides of the embossed air filter filtration medium are formed by two air-permeable support materials among the plurality of air-permeable support materials, and the air filter filtration medium is furnished with a plurality of projections by undergoing an embossing process.

    摘要翻译： 提供以塑封的空气过滤器过滤介质，过滤器组合件，以及空气过滤器单元，利用该与压花过程相关联的压力损失的上升被最小化; 和用于制造压印的空气过滤器过滤介质的与在与压花过程相关的压力损失的上升被最小化的方法。 压花的空气过滤器过滤介质是在空气流中捕获灰尘的压花的空气过滤器过滤介质，设置有一个或多孔膜的多元性并包括原纤维形成性的聚四氟乙烯，非原纤维形成性的和非热 - 可熔融加工的组分，和非原纤维形成，并且具有小于320℃的熔点的热熔融加工的组分; 和通气性支撑材料的多个支撑多孔电影。 压花的空气过滤器过滤介质的bothsides的表面是由两个可透气的载体材料的透气性支撑材料的多元之间形成，并且空气过滤器过滤介质是通过在压花过程进行配有突起的复数。