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    • 6. 发明公开
    • Microstructered filter
    • 微结构过滤器
    • EP1772175A2
    • 2007-04-11
    • EP07101090.4
    • 1998-08-28
    • Boehringer Ingelheim International GmbH
    • Bachtler, WulfDunne, Stephen TerenceEicher, JoachimFreund, BernhardGeser, JohannesKadel, Klaus
    • B01D29/03
    • B01D67/0062A61M11/00A61M15/00A61M2205/0233B01D39/16B01D39/2003B01D39/2027B01D39/2068B01D46/0023B01D46/12B01D46/40B01D46/521B01D67/003B01D67/0058B01D67/0069B01D71/022B01D2275/206B01D2325/021B01D2325/04B05B15/40
    • A microstructured filter for a fluid, the filter having an inlet for unfiltered fluid and an outlet for filtered fluid the filter comprising: - a plurality of projections (7) which are arranged in at least two rows (3) in mutually juxtaposed relationship and which project out of a base plate (1) and which are an integral component of the base plate, - a plurality of passages (8) between the projections (7), and - a cover plate which is securable to the base plate to cover the projections (7) b - e and the passages (8), wherein - the passages form a plurality of through paths from the inlet to the outlet, - said inlet comprises an elongate inlet slot (5) for the unfiltered fluid, which extends over approximately the entire filter width and which is approximately as high as the projections (7) projecting out of the base plate, on the inlet side of the filter, and - said outlet comprises an elongate outlet slot for the filtered fluid, which extends over approximately the entire filter width and which is approximately as high as the projections (7) projecting out of the base plate, on the outlet side of the filter.
      The filter according to the invention remains operational, even if a part of the filter area is obstructed. The filter is used for example in an atomiser with which an aerosol is produced from a fluid which contains a medicament.
    • 1。一种用于流体的微结构过滤器,所述过滤器具有用于未过滤流体的入口和用于过滤流体的出口,所述过滤器包括: - 多个突起(7),所述突起(7)以相互并置的关系布置成至少两排(3) 从基板(1)突出并且是基板的整体部件, - 在突起(7)之间的多个通道(8),以及 - 盖板,其可固定到基板以覆盖 (7)b-e和通道(8),其中 - 通道形成从入口到出口的多个通路, - 所述入口包括用于未过滤流体的细长入口槽(5) 大约整个过滤器宽度,并且大约与在所述过滤器的入口侧上伸出所述基板的所述突出部(7)一样高,并且 - 所述出口包括用于所述过滤流体的细长出口槽,所述出口槽大致延伸 整个过滤器wid 并且在过滤器的出口侧大致与从基板突出的突出部(7)一样高。 即使过滤器区域的一部分被阻塞,根据本发明的过滤器仍保持可操作。 该过滤器用于例如雾化器中,利用该雾化器从包含药剂的流体产生气雾剂。