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    • 10. 发明授权
    • Air cleaning apparatus, air filter and method for manufacturing the same
    • 空气净化装置,空气过滤器及其制造方法
    • US6120584A
    • 2000-09-19
    • US155493
    • 1998-09-28
    • Soichiro SakataKatsumi SatoHideto TakahashiTakao Okada
    • Soichiro SakataKatsumi SatoHideto TakahashiTakao Okada
    • B01D53/04
    • B01D53/02B01D53/0446B01D2253/108B01D2253/3425B01D2259/4508Y10S55/05
    • An air cleaning apparatus such as a clean room or the like having an air circulation mechanism which circulates the humidity controlled air through a predetermined air circulation path, wherein the air circulation path is provided with a filter which has a hydrophobic zeolite layer formed on its base filter media surface and another filter which is disposed downstream from the filter having a hydrophobic zeolite layer and is used for removing particulate impurities contained in the circulating air. According to this air cleaning apparatus, gaseous organic impurities and particulate impurities contained in the air circulating in the air cleaning apparatus can be removed without lowering the humidity of the circulating air. Furthermore, since this air cleaning apparatus includes no activated charcoal which is inflammable, the apparatus is excellent from the standpoint of disaster prevention. Accordingly, the filters according to the invention and particle filters can be installed with safety in the ceiling portion of the air cleaning apparatus.
    • PCT No.PCT / JP98 / 00383 Sec。 371日期:1998年9月28日 102(e)1998年9月28日PCT PCT 1998年1月30日PCT公布。 第WO98 / 33575号公报 日本1998年8月6日具有空气循环机构的洁净室等的空气净化装置,该空气循环机构使湿度调节空气通过预定的空气循环路径,其中空气循环路径设置有具有疏水性沸石 在其基底过滤介质表面上形成的层和另一个过滤器,其设置在具有疏水性沸石层的过滤器的下游,并用于除去循环空气中所含的微粒杂质。 根据该空气净化装置,能够除去在空气净化装置中循环的空气中含有的气态有机杂质和微粒杂质,而不降低循环空气的湿度。 此外,由于这种空气净化装置不包括易燃的活性炭,所以从防灾的观点出发,该装置是优异的。 因此,根据本发明的过滤器和颗粒过滤器可以安全地安装在空气净化装置的顶部。