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    • 2. 发明申请
    • CONTROL METHOD AND APPARATUS
    • 控制方法和装置
    • US20120255436A1
    • 2012-10-11
    • US13081808
    • 2011-04-07
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • B03C3/34
    • B01D53/22B01D53/326B01D2256/12B01D2257/102C01B13/0251Y02E60/366
    • A method and apparatus for controlling the electrical power applied to an electrically driven oxygen separation device having one or more composite membrane elements to separate oxygen from an oxygen containing feed. The composite membrane elements have a resistance increasing during the operation thereof that would act to reduce oxygen output if applied voltage were held constant. In order to increase the time interval for renewing the composite membrane elements, the electrical potential difference is controlled such that the electric current drawn by the elements remains at a substantially constant level by increasing the electrical potential difference as the resistance increases until a predetermined voltage level is reached. Once this level is obtained, the electrical potential difference is maintained at a constant level and the electric current being drawn and the oxygen output is allowed to decay to a predetermined low level after which the element or elements are replaced.
    • 一种用于控制施加到具有一个或多个复合膜元件的电驱动氧分离装置以从含氧进料分离氧的电功率的方法和装置。 复合膜元件在其操作期间具有电阻增加,如果施加的电压保持恒定,其将用于减少氧输出。 为了增加更新复合膜元件的时间间隔,控制电位差,使得由元件汲取的电流通过随着电阻增加直到预定的电压电平来增加电位差而保持在基本上恒定的水平 到达了。 一旦获得该电平,电位差就保持在一个恒定的水平,并且被抽出的电流和氧气输出被允许衰减到一个预定的低电平,之后元件被替换。
    • 3. 发明授权
    • Control method and apparatus
    • 控制方法和装置
    • US08409323B2
    • 2013-04-02
    • US13081808
    • 2011-04-07
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • B01D46/46
    • B01D53/22B01D53/326B01D2256/12B01D2257/102C01B13/0251Y02E60/366
    • A method and apparatus for controlling the electrical power applied to an electrically driven oxygen separation device having one or more composite membrane elements to separate oxygen from an oxygen containing feed. The composite membrane elements have a resistance increasing during the operation thereof that would act to reduce oxygen output if applied voltage were held constant. In order to increase the time interval for renewing the composite membrane elements, the electrical potential difference is controlled such that the electric current drawn by the elements remains at a substantially constant level by increasing the electrical potential difference as the resistance increases until a predetermined voltage level is reached. Once this level is obtained, the electrical potential difference is maintained at a constant level and the electric current being drawn and the oxygen output is allowed to decay to a predetermined low level after which the element or elements are replaced.
    • 一种用于控制施加到具有一个或多个复合膜元件的电驱动氧分离装置以从含氧进料分离氧的电功率的方法和装置。 复合膜元件在其操作期间具有电阻增加,如果施加的电压保持恒定,其将用于减少氧输出。 为了增加更新复合膜元件的时间间隔,控制电位差,使得由元件汲取的电流通过随着电阻增加直到预定的电压电平来增加电位差而保持在基本上恒定的水平 到达了。 一旦获得该电平,电位差就保持在一个恒定的水平,并且被抽出的电流和氧气输出被允许衰减到一个预定的低电平,之后元件被替换。