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    Method and apparatus for determining quantity of liquid in a container and/or lack of motion thereof
    1.
    发明授权
    Method and apparatus for determining quantity of liquid in a container and/or lack of motion thereof 失效
    用于确定容器中的液体量和/或其运动不足的方法和装置

    公开(公告)号：US5745377A

    公开(公告)日：1998-04-28

    申请号：US406508

    申请日：1995-03-20

    申请人： Wendy Power ,  Michael A. Reed ,  Dominick J. Frustaci ,  Gerald Larocque ,  Brenda Marchetti

    发明人： Wendy Power ,  Michael A. Reed ,  Dominick J. Frustaci ,  Gerald Larocque ,  Brenda Marchetti

    IPC分类号： G01F23/26

    CPC分类号： G01F23/266 ,  G01F23/268

    摘要： A sensor apparatus is described that detects and indicates the volume of cryogenic liquid in a Dewar container independent of the spatial orientation and physical motions acting on the Dewar container. The sensor apparatus comprises a first conductor, preferably positioned adjacent to the container inner shell wall and a second conductor comprising a plurality of axially spaced and concentric endless conductor bands mounted inside the container in a proximately spaced and a parallel relationship with respect to the first conductor. The second conductor bands divide the first conductor into zones that provide a plurality of distinct and separate capacitors. A computer measures the capacitance of each capacitor and compares the individual capacitance measurements to reference capacitance values corresponding to a known volume of cryogenic fluid filled in the container at known angles of inclination.

    摘要翻译： 描述了一种传感器装置，其独立于作用在杜瓦容器上的空间取向和物理运动而检测并指示杜瓦容器中的低温液体的体积。 该传感器装置包括第一导体，优选地位于容器内壳壁附近，以及第二导体，其包括多个轴向间隔开并且同心的环形导体带，其以相对于第一导体的近似间隔和平行的关系安装在容器内 。 第二导体带将第一导体分成提供多个不同和分开的电容器的区域。 计算机测量每个电容器的电容，并将各个电容测量值与对应于以已知的倾斜角度填充在容器中的已知体积的低温流体的参考电容值进行比较。

    Method and apparatus for determining the quantity of a liquid in a container independent of its spatial orientation
    3.
    发明授权
    Method and apparatus for determining the quantity of a liquid in a container independent of its spatial orientation 失效
    用于确定容器中液体的量与其空间取向无关的方法和装置

    公开(公告)号：US5790422A

    公开(公告)日：1998-08-04

    申请号：US406695

    申请日：1995-03-20

    申请人： Wendy Power ,  Michael A. Reed ,  Dominick J. Frustaci

    发明人： Wendy Power ,  Michael A. Reed ,  Dominick J. Frustaci

    IPC分类号： G01F23/26

    CPC分类号： G01F23/266 ,  G01F23/268

    摘要： A sensor apparatus is described that detects and indicates the quantity of cryogenic liquid in a Dewar container independent of the spatial orientation and physical motions acting on the Dewar container. The sensor apparatus comprises a first conductor, preferably positioned adjacent to the container inner shell wall and a second conductor comprising a plurality of axially spaced and concentric conductor bands mounted inside the container in a proximately spaced and a parallel relationship with respect to the first conductor. The second conductor bands divide the first conductor into zones that provide a plurality of distinct and separate capacitors. A computer measures the capacitance of each capacitor and compares the individual capacitance measurements to reference capacitance values corresponding to a known quantity of cryogenic fluid filled in the container at known angles of inclination. The sensor apparatus is also useful as a motion detector.

    摘要翻译： 描述了一种传感器装置，其独立于作用在杜瓦容器上的空间取向和物理运动来检测并指示杜瓦容器中的低温液体的量。 传感器装置包括第一导体，优选地定位成与容器内壳壁相邻，第二导体包括多个轴向间隔开并且同心的导体带，该导体带以相对于第一导体的近似间隔和平行的关系安装在容器内。 第二导体带将第一导体分成提供多个不同和分开的电容器的区域。 计算机测量每个电容器的电容，并将各个电容测量值与对应于已知量的以已知的倾斜角度填充在容器中的低温流体的参考电容值进行比较。 传感器装置也可用作运动检测器。