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    • 7. 发明授权
    • Solid electrolyte gas concentration detector
    • 固体电解质气体浓度检测仪
    • US5985118A
    • 1999-11-16
    • US958388
    • 1997-10-27
    • Daisuke MakinoKeigo MizutaniHisayoshi OhtaYoshimasa HijikataKanehito NakamuraHiroshi Mori
    • Daisuke MakinoKeigo MizutaniHisayoshi OhtaYoshimasa HijikataKanehito NakamuraHiroshi Mori
    • G01N27/416G01N27/407G01N27/26
    • G01N27/4074
    • A gas concentration detector using solid electrolyte layers laminated measures a concentration of gas constituents in measuring gas such as exhaust gas of an internal combustion engine without being influenced by oxygen concentration in the measuring gas. The measuring gas is introduced into an inner cavity of the detector and outside air as a reference gas is introduced into an air passage in the detector. Oxygen concentration in the measuring gas in the inner cavity is maintained at a predetermined level by operation of an oxygen pumping cell constituted by an ion conductive solid electrolyte layer and a pair of electrodes formed on both surfaces of the layer. The oxygen concentration in the inner cavity is measured by an oxygen sensor cell having one electrode exposed to the inner cavity and the other electrode exposed to the reference gas. The concentration of the gas constituents in the measuring gas is measured in terms of ion current generated in a detector cell constituted by an ion conductive solid electrolyte layer and a pair of electrodes formed on both surfaces of the layer, one electrode being exposed to the measuring gas in the inner cavity and the other exposed to the reference gas in the air passage. Either one of the sensor cell and detector cell electrodes exposed to the measuring gas in the inner cavity is made of a material active to the gas constituents to be measured and the other electrode is made of a material inactive thereto.
    • 使用固体电解质层层压的气体浓度检测器不受测量气体中的氧浓度的影响而测量诸如内燃机的废气的测量气体中的气体成分的浓度。 当检测器中的空气通道中引入参考气体时,测量气体被引入到检测器和外部空气的内腔中。 通过由离子传导固体电解质层和形成在该层的两个表面上的一对电极构成的氧抽吸电池的操作将内腔中的测量气体中的氧浓度保持在预定水平。 通过具有暴露于内腔的一个电极和暴露于参考气体的另一电极的氧传感器单元来测量内腔中的氧浓度。 测量气体中气体组分的浓度以离子导电固体电解质层和形成在该层的两个表面上的一对电极构成的检测器电池中产生的离子电流来测量,一个电极暴露于测量 内腔中的气体,另一个暴露于空气通道中的参考气体。 暴露于内腔中的测量气体的传感器单元和检测器单元电极中的任何一个由对待测量的气体成分有活性的材料制成,另一个电极由对其无活性的材料制成。
    • 8. 发明申请
    • Heat transport medium
    • 传热介质
    • US20080061268A1
    • 2008-03-13
    • US11894528
    • 2007-08-21
    • Eiichi TorigoeTouru KawaguchiYoshimasa Hijikata
    • Eiichi TorigoeTouru KawaguchiYoshimasa Hijikata
    • C09K5/00
    • C09K5/10
    • A heat transport medium comprises a single solvent and fine particles 1 of a predetermined material dispersed in the solvent, and transports heat transferred from a heat transfer surface 5. The fine particles 1 consist of one or more atoms, and have a structural substances 3 arranged on the surfaces to protect the fine particles 1. The heat transport medium satisfies a relationship among a diameter A, a length B and an average clearance distance C, which is represented by the expressions A≦B, and B≦C/2, wherein the diameter A is the diameter of a solvent molecule 2 composing the solvent, the length B is a length of a structural substance 3 extending from a functional group 3a to be adsorbed on the fine particles 1, and the average clearance distance C is an average distance between the fine particles dispersed in the solvent.
    • 传热介质包括单一溶剂和分散在溶剂中的预定材料的细颗粒1,并且传送从传热表面5传递的热量。 细颗粒1由一个或多个原子组成,并且具有布置在表面上以保护细颗粒1的结构物质3。 传热介质满足由A <= B和B <= C / 2表示的直径A,长度B和平均间隙距离C之间的关系,其中直径A是直径A 构成溶剂的溶剂分子2的长度B是从被吸附在微粒1上的官能团3a延伸的结构物质3的长度,平均间隙距离C是分散在 溶剂。