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    • 10. 发明授权
    • NOX sensor assembly
    • NOX传感器组件
    • US5486336A
    • 1996-01-23
    • US080679
    • 1993-06-22
    • Ralph A. Dalla BettaDaniel L. ReedPriscilla Schubert
    • Ralph A. Dalla BettaDaniel L. ReedPriscilla Schubert
    • F02B1/04G01N25/30G01N27/14G01N33/00G01N25/20
    • G01N33/0037G01N25/30F02B1/04
    • This invention is a self-contained NO.sub.x sensor assembly. It may be used to detect NO.sub.x levels in a flowing gas stream such as might be found in an exhaust gas from a combustion process and to produce a measurable electrical output related to the content of NO.sub.x measured. The NO.sub.x sensor assembly is of a configuration that may be detached from a mounting and replaced. The sensor assembly comprises two sensor elements one of which is made up of a catalyst on a temperature measuring device. The other is a gas stream ambient temperature measuring device. The catalyst is selected and configured so that it selectively reduces NO.sub.x and the resulting heat of the reaction raises the temperature of the allied temperature measuring device. The sensor assembly also contains a NO.sub.x reductant source. The sensor assembly may be placed in a moving vehicle for measuring NO.sub.x levels in its exhaust gas.
    • 本发明是一种独立的NOx传感器组件。 它可以用于检测流动气流中的NOx水平,例如可能在来自燃烧过程的废气中发现,并且产生与所测量的NOx含量相关的可测量的电输出。 NOx传感器组件具有可以从安装和拆卸的构造。 传感器组件包括两个传感器元件,其中一个传感器元件由温度测量装置上的催化剂构成。 另一种是气流环境温度测量装置。 催化剂的选择和配置使得其选择性地还原NOx,并且所产生的反应热量升高了相关温度测量装置的温度。 传感器组件还含有NO x还原剂源。 传感器组件可以放置在移动的车辆中,用于测量其废气中的NOx水平。