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    • 4. 发明申请
    • Bonded fiber structures for use in controlling fluid flow
    • 用于控制流体流动的粘合纤维结构
    • US20060034886A1
    • 2006-02-16
    • US11185381
    • 2005-07-20
    • Bennett WardJian XiangDavid HarrisJackie Payne
    • Bennett WardJian XiangDavid HarrisJackie Payne
    • A61F2/00
    • A61J7/0038A47G21/183
    • A flow control element is provided for use in selectively controlling the flow of a liquid through an annular conduit. The flow control element comprises a self-sustaining, three dimensional fibrous element comprising a network of polymeric fibers. These fibers are disposed in a highly dispersed and randomly spaced orientation and are bonded to each other at spaced apart points of contact to form a tortuous interstitial passage through the fiber element. The fibrous element has a substantially uniform density and is sized for disposition in the lumen with an interference fit relative to the inner conduit surface. The fibrous element divides the lumen into a proximal lumen portion and a distal lumen portion when so disposed. The fibrous element is adapted to prevent passage of the liquid through the conduit when disposed therein absent a differential pressure between the distal conduit portion and the proximal conduit portion of at least a first predetermined critical differential pressure. The fibrous element allows passage of the liquid through the conduit when the differential pressure between the distal conduit portion and the proximal conduit portion equals or exceeds the first predetermined critical differential pressure. In some embodiments, the fibrous element may also be adapted so that it will move from its first position in the lumen to a second position when the differential pressure between the distal conduit portion and the proximal conduit portion equals or exceeds a second predetermined critical differential pressure.
    • 提供流量控制元件用于选择性地控制通过环形导管的液体的流动。 流量控制元件包括自支撑的三维纤维元件,其包括聚合物纤维网络。 这些纤维以高度分散和随机间隔的方式设置,并且在间隔开的接触点处彼此接合以形成穿过纤维元件的曲折间隙通道。 所述纤维元件具有基本上均匀的密度,并且其尺寸设定成用于在内腔中相对于内导管表面具有过盈配合。 当这样设置时,纤维状元件将内腔分成近端内腔部分和远端内腔部分。 所述纤维元件适于在不存在至少第一预定临界压差的远端导管部分和近端导管部分之间的压差的情况下防止液体通过导管的通道。 当远端导管部分和近侧导管部分之间的压差等于或超过第一预定临界压差时,纤维元件允许液体通过导管。 在一些实施例中,纤维元件也可以适于使得当远端导管部分和近端导管部分之间的压差等于或超过第二预定临界压差时,其将在其内腔中的第一位置移动到第二位置 。
    • 10. 发明申请
    • Vapor Emitting Device
    • 气体发射装置
    • US20080251599A1
    • 2008-10-16
    • US12099942
    • 2008-04-09
    • Bennett C. WardJian XiangYelena N. Rogova
    • Bennett C. WardJian XiangYelena N. Rogova
    • B65D83/00B67D5/08
    • A61L9/127A01M1/2044G01N31/22
    • The invention is generally directed to a vapor emitting device having a container, at least one liquid in the container, and a wick. The container has an interior in which the at least one liquid is disposed. The wick has a distal portion disposed in the container interior and a proximal portion. The wick is configured and positioned so as to maintain contact with the at least one liquid and allows the wick to draw the at least one liquid into and through the distal portion toward the proximal portion, thereby making the at least one liquid available for evaporation when the proximal portion is exposed to air. A change in a visible characteristic of the wick occurs upon exhaustion of the at least one liquid from the wick.
    • 本发明一般涉及具有容器,容器中的至少一种液体和灯芯的蒸气发射装置。 容器具有其中设置有至少一种液体的内部。 芯具有设置在容器内部中的远侧部分和近端部分。 芯被构造和定位成与至少一种液体保持接触,并且允许芯将至少一种液体吸入并通过远端部分朝向近端部分,从而使至少一种液体可用于蒸发,当 近端部分暴露于空气。 灯芯的可见特性的改变发生在来自灯芯的至少一种液体耗尽之后。