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    • 44. 发明授权
    • Mixed hydrophilic/hydrophobic fiber media for liquid-liquid coalescence
    • 用于液 - 液聚结的混合亲水/疏水纤维介质
    • US09474989B2
    • 2016-10-25
    • US14147824
    • 2014-01-06
    • George ChasePrashant Kulkarni
    • George ChasePrashant Kulkarni
    • B01D61/00B01D37/00B01D39/00B01D24/00B01D39/14B01D17/02B01D17/04B01D17/00B01D39/04B01D39/06
    • B01D17/0202B01D17/045B01D17/10B01D39/04B01D39/06
    • An immiscible lipophilic or hydrophilic liquid phase separated respectively from a continuous hydrophilic phase or a lipophilic phase liquid. Fibers having hydrophilic and hydrophobic properties are formed into a filter. The separation mechanism involves capture of small droplets of the immiscible phase, coalescence of the small droplets into larger droplets as the immiscible liquid flows through the fiber filter, and release of the large immiscible droplets from the filter. Regarding separation of a hydrophilic immiscible fluid such as water in a lipophilic continuous fluid such as oil, the hydrophobic fibers cause small water droplets to migrate towards the hydrophilic fibers whereby large droplets form on hydrophilic surface. The large droplets stay on hydrophilic fiber surface for extended periods of time and continue to coalescence until they are so large that they can no longer be maintained by the hydrophilic fibers and are released and drained off of the filter.
    • 分离自连续亲水相或亲油相液体的不混溶的亲脂性或亲水性液相。 具有亲水性和疏水性的纤维形成为过滤器。 分离机制包括捕获不混溶相的小液滴,当不混溶液体流过纤维过滤器时,小液滴聚集成更大的液滴,并从过滤器中释放大的不混溶液滴。 关于在亲脂性连续流体如油中分离亲水性不混溶的流体如水,疏水性纤维导致小的水滴向亲水性纤维迁移,从而在亲水表面上形成大的液滴。 大的液滴长时间停留在亲水性纤维表面上,并继续聚结,直到它们变得非常大,使得它们不能再被亲水纤维维持并被释放并从过滤器中排出。
    • 47. 发明授权
    • Filter manufacturing machine, filter manufacturing method using the machine, and hollow filter
    • 过滤器制造机,过滤器制造方法使用机器和中空过滤器
    • US09427929B2
    • 2016-08-30
    • US14039613
    • 2013-09-27
    • JAPAN TOBACCO INC.
    • Hiroyuki ToraiSatoshi Nakamura
    • B31D5/00B01D39/14A24D3/02
    • B31D5/0082A24D3/0233A24D3/0279B01D39/14
    • A filter manufacturing machine includes a forming device for forming filter tow into a hollow rod-shaped continuous filter body, a forming tube included in the forming device and having a tubular forming path through which the filter tow is passed while being brought together, a mandrel arranged in the forming tube and forming the tubular forming path in cooperation with the forming tube, and a heat treating section included in the forming tube and configured to heat the filter tow while the filter tow passes through the tubular forming path. The mandrel has a small-diameter portion located at the inlet of the forming tube, a large-diameter portion located at the outlet of the forming tube, and a diameter expansion portion located between the small- and large-diameter portions. The diameter expansion portion is located downstream of the heat treating section as viewed in the moving direction of the filter tow.
    • 过滤器制造机包括用于将过滤丝束形成为中空棒状连续过滤器主体的成形装置,包括在成形装置中的成形管,并且具有管状成形路径,过滤丝束通过该管状成形路径同时通过,心轴 配置在成形管中并与成形管协同地形成管状成形路径,以及热处理部,该热处理部包括在成形管中,并且构造成在过滤丝束通过管状成形路径的同时加热过滤丝束。 心轴具有位于成形管入口处的小直径部分,位于成形管出口处的大直径部分和位于小直径部分和大直径部分之间的直径扩张部分。 当从过滤丝束的移动方向观察时,直径膨胀部分位于热处理部分的下游。
    • 50. 发明申请
    • RESIN IMPREGNATED FIBER WEBS
    • 树脂印花纤维网
    • US20160136553A1
    • 2016-05-19
    • US14547276
    • 2014-11-19
    • Hollingsworth & Vose Company
    • David T. HealeySneha Swaminathan
    • B01D39/16B01D39/14
    • B01D39/163B01D39/14B01D39/1623B01D39/2017B01D2239/064B01D2239/065B01D2239/1233
    • The present disclosure relates to filter media having one or more pre-filter layers disposed upstream a main filtration layer. The main filtration layer may include synthetic polymer fibers (e.g., continuous meltblown fibers). A coating (e.g., binder resin) may be suitably applied to at least a portion of the main filtration layer (e.g., saturated, impregnated) and/or other layers of the filter media (e.g., pre-filter layer(s), scrim, etc.), or portions thereof. In some embodiments, the coating has a cure temperature that is comparatively less than a shrinkage temperature of the synthetic polymer fibers of the filtration layer(s). In some embodiments, the coating may coat a 5 cm×5 cm area, or a majority area, of the outer surface of the second layer. In some embodiments, the second layer has a pressure drop of less than about 80 kPa, a mean flow pore size of between about 0.05 micron and about 30 microns with the standard deviation of the mean flow pore size of the second layer being less than about 10 microns.
    • 本公开涉及具有设置在主过滤层上游的一个或多个预过滤层的过滤介质。 主过滤层可以包括合成聚合物纤维(例如连续熔喷纤维)。 涂层(例如粘合剂树脂)可以适当地施加到过滤介质的主过滤层(例如饱和,浸渍)和/或其它层的至少一部分(例如,预过滤层,稀松布 等),或其部分。 在一些实施方案中,涂层具有比过滤层的合成聚合物纤维的收缩温度小的固化温度。 在一些实施例中,涂层可以涂覆第二层的外表面的5cm×5cm面积或多数区域。 在一些实施方案中,第二层具有小于约80kPa的压降,约0.05微米至约30微米的平均流动孔径,第二层的平均流动孔径的标准偏差小于约 10微米。