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    Dye-based fuel indicator system for fuel cells
    2.
    发明授权
    Dye-based fuel indicator system for fuel cells 有权

    公开(公告)号：US06998185B2

    公开(公告)日：2006-02-14

    申请号：US10044507

    申请日：2002-01-11

    申请人： Makarand P. Gore ,  L. Chris Mann

    发明人： Makarand P. Gore ,  L. Chris Mann

    IPC分类号： H01M8/00 ,  H01M8/04 ,  H01M8/12 ,  G01N21/25 ,  G01J1/10

    CPC分类号： H01M8/04194

    摘要： A means for determining the concentration of a hydrogen-rich fuel in a fuel solution within the anode reservoir of a fuel cell. The fuel concentration is determined using a dye mixture responsive to fuel concentration within a fuel solution. As fuel is consumed, the fuel concentration decreases. As the fuel concentration decreases, the dye changes color. The resulting color changes occur within the anode reservoir of the fuel cell, or within a dye chamber in fluid contact with the anode reservoir, and are made visible by a window. A color strip and fuel scale may be included to facilitate fuel concentration determination based on the color of the fuel solution. Additionally, a valve responsive to dye color may act to control fuel delivery.

    Density-based fuel indicator system for fuel cells
    3.
    发明授权
    Density-based fuel indicator system for fuel cells 有权
    燃料电池基于密度的燃料指示器系统

    公开(公告)号：US06789421B2

    公开(公告)日：2004-09-14

    申请号：US10044088

    申请日：2002-01-11

    申请人： Makarand P. Gore ,  L. Chris Mann

    发明人： Makarand P. Gore ,  L. Chris Mann

    IPC分类号： G01N900

    CPC分类号： G01N9/14 ,  G01N9/36

    摘要： A means for determining the concentration of a hydrogen-rich fuel in a fuel solution within the anode reservoir of a fuel cell. The fuel concentration is determined using a float responsive to fuel solution density. As fuel is consumed, the fuel concentration decreases. As the fuel concentration decreases, the density of the fuel solution increases, causing the float to rise. A window may be included in the anode reservoir or in an attached float chamber to facilitate inspection of the position of the float. A fuel scale may be included to facilitate fuel concentration determination based on the position of the float within the fuel solution. Additionally, a valve responsive to float position may act to control fuel delivery.

    摘要翻译： 一种用于确定燃料电池的阳极储存器内的燃料溶液中的富氢燃料的浓度的方法。 使用响应于燃料溶液密度的浮子来确定燃料浓度。 当燃料消耗时，燃料浓度降低。 当燃料浓度降低时，燃料溶液的密度增加，导致浮子上升。 一个窗口可以被包括在阳极容器中或者在附接的浮子室中，以便于检查浮子的位置。 可以包括燃料标尺以便根据浮子在燃料溶液中的位置来确定燃料浓度。 此外，响应于浮动位置的阀可以用于控制燃料输送。