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    • 57. 发明申请
    • Air cleaner element
    • 空气滤清器元件
    • US20050144917A1
    • 2005-07-07
    • US10503542
    • 2003-02-07
    • Atsushi SuzukiKunimoto SugiyamaToshinori Oba
    • Atsushi SuzukiKunimoto SugiyamaToshinori Oba
    • B01D39/16B01D46/00
    • B01D39/1623
    • An air cleaner element is provided which is capable of improving a dust penetrating performance (that is, capable of reducing a penetrating amount of the dust, once captured, as an amount released from a filter member due to an air flow pulsation), while maintaining dust and carbon capturing performances of a density gradient type non-woven fabric. The filter member 1 of the air cleaner element includes a first filter layer 3 formed of a non-woven fabric, and a second filter layer 4 disposed on the downstream side of the first filter layer 3 with respect to an air flow direction, and formed of a non-woven fabric having a fine mesh structure in comparison with that of the first filter layer 3. The first filter layer 3 is impregnated with an oil. The second filter layer 4 has an oil repellent property.
    • 提供一种空气滤清器元件,其能够提高灰尘的穿透性能(即,能够将捕捉到的灰尘的渗透量减少为由于空气流动脉动而从过滤器部件释放的量),同时保持 灰尘和碳捕获性能的密度梯度型无纺布。 空气滤清器元件的过滤构件1包括由无纺布形成的第一过滤层3和相对于空气流动方向设置在第一过滤层3的下游侧的第二过滤层4,并形成 与第一过滤层3相比具有细网格结构的无纺织物。第一过滤层3浸渍有油。 第二过滤层4具有防油性。