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    • 66. 发明授权
    • Sampling device for a gas analyzer
    • 气体分析仪采样装置
    • US4755357A
    • 1988-07-05
    • US822613
    • 1986-01-27
    • Naoki NoguchiToshikazu Ohnishi
    • Naoki NoguchiToshikazu Ohnishi
    • G01N21/77G01N1/00G01N1/22G01N21/76G01N27/62G01N21/85
    • G01N1/2247G01N33/0004G01N35/1097
    • A sampling device for use with a gas analyzer, has an inlet, a changeover valve connected to the inlet, two branch passages having upstream ends connected in parallel to the changeover valve for having gas to be analyzed directed through one or the other thereof from the inlet depending on the position of the changeover valve, a further changeover valve connected to the downstream ends of the branch passages for opening the downstream ends of the respective ones of the passages when gas to be analyzed is being directed into the respective branch passages, and a capillary for each of the branch passages, each capillary having an upstream end connected to the corresponding branch passage and having the downstream end adapted to be connected to a detector for detecting components of the gas being analyzed.
    • 一种与气体分析仪一起使用的采样装置,具有入口,连接到入口的转换阀,两个分支通道,其上游端与转换阀并联连接,用于使待分析的气体通过其中的一个或另一个从 入口取决于切换阀的位置,另外的切换阀连接到分支通道的下游端,用于当要分析的气体被引导到相应的分支通道时打开相应通道的下游端,以及 用于每个分支通道的毛细管,每个毛细管具有连接到相应分支通道的上游端,并且其下游端适于连接到用于检测被分析气体的组分的检测器。
    • 68. 发明授权
    • Gas analyzer
    • 气体分析仪
    • US4232223A
    • 1980-11-04
    • US49971
    • 1979-06-19
    • Toshikazu OhnishiKozo IshidaOsamu Saitoh
    • Toshikazu OhnishiKozo IshidaOsamu Saitoh
    • G01N21/61G01N21/37G01N21/26
    • G01N21/37
    • A gas analyzer for measuring the concentration of a gaseous component in a test gas includes first and second separate cells adapted to alternately be filled with a test gas containing a gaseous component to be analyzed and a standard gas, light sources for directing rays of energy through the first and second cells and through the test gas and standard gas alternately contained therein, a detector positioned to receive the rays of energy after passage thereof through the first and second cells for detecting the concentration of the gaseous component within the test gas, and a changeover device connected to the first and second cells and adapted to be connected to sources of the test gas and the standard gas for alternately supplying the test gas and standard gas, at fixed intervals and in fixed amounts, into the first and second cells. The changeover device includes a single block having therein first and second inlets adapted to be connected to the source of test gas and the source of standard gas, respectively, first and second outlets respectively connected to the first and second cells, and a rotary valve rotatably movable between a first position respectively connecting the first and second inlets with the first and second outlets and a second position respectively connecting the first and second inlets with the second and first outlets.
    • 用于测量测试气体中的气体组分的浓度的气体分析器包括适于交替填充含有要分析的气体组分的测试气体和标准气体的第一和第二分离单元,用于引导能量射线的光源 所述第一和第二电池并且通过所述测试气体和标准气体交替地包含在所述第一和第二电池中,所述检测器被定位成在其通过所述第一和第二电池之后接收能量射线,以检测所述测试气体内的气体组分的浓度, 切换装置连接到第一和第二单元并且适于连接到测试气体和标准气体的源,用于以固定的间隔和固定的量将测试气体和标准气体交替地供应到第一和第二单元中。 切换装置包括单个块,其中具有分别连接到测试气体源和标准气体源的第一和第二入口,分别连接到第一和第二单元的第一和第二出口以及可旋转地旋转的旋转阀 可在分别将第一和第二入口与第一和第二出口连接的第一位置和分别将第一和第二入口与第二和第一出口连接的第二位置之间移动。