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    • 104. 发明授权
    • Ammonia gas analyzer
    • 氨气分析仪
    • US4432939A
    • 1984-02-21
    • US250790
    • 1981-04-03
    • Atsuo WatanabeTeruo KanekoTakeo TanakaYoshio Saito
    • Atsuo WatanabeTeruo KanekoTakeo TanakaYoshio Saito
    • G01N21/75G01N31/00G01N33/00G01N31/10G01N21/00
    • G01N31/005G01N21/75G01N33/0013Y10T436/175383
    • An ammonia gas analyzer and a sulfuric acid converter utilized in the ammonia gas analyzer in which a sample gas is maintained at a relatively high temperature prior to entering the sulfuric acid converter to thereby prevent acidic sulfuric acid sulfates and/or ammonia sulfates from crystallizing and being deposited on the walls of the device. The ammonia gas analyzer includes gas sampling means, a gas measuring channel connected to the gas sampling means, a comparison gas channel connected parallel to the measuring gas channel with the measuring gas channel including an NH.sub.3 /NO converter for converting NH.sub.3 in a sample gas into NO and means for measuring a concentration of NH.sub.3 on the basis of variations of an amount of NO in the measuring gas channel with respect to that in the comparison gas channel. A first sulfuric acid converter has an inlet connected to the sampling means and an outlet connected to an inlet portion of the comparison gas channel for converting sulfuric acid, sulfate and sulfur trioxide in the sample gas into sulfur dioxide. A second sulfuric acid converter has an inlet connected to the outlet of the NH.sub.3 /NO converter and an outlet connected to an inlet of the measuring means.
    • 在氨气分析器中使用的氨气分析仪和硫酸转化器,其中样品气体在进入硫酸转化器之前保持在相对较高的温度,从而防止酸性硫酸硫酸盐和/或氨基硫酸盐结晶并成为 沉积在设备的墙壁上。 氨气分析器包括气体采样装置,连接到气体采样装置的气体测量通道,与测量气体通道平行连接的比较气体通道,测量气体通道包括用于将样品气体中的NH 3转化成NH 3 / NO转化器 NO和基于测量气体通道中的NO的量相对于比较气体通道中的NO的量的变化来测量NH 3浓度的装置。 第一硫酸转化器具有连接到采样装置的入口和连接到比较气体通道的入口部分的出口,用于将样品气体中的硫酸,硫酸盐和三氧化硫转化成二氧化硫。 第二硫酸转化器具有连接到NH 3 / NO转化器的出口的入口和连接到测量装置的入口的出口。
    • 106. 发明授权
    • Automatic shut off dispensing nozzle
    • 自动关闭分配喷嘴
    • US4203478A
    • 1980-05-20
    • US934601
    • 1978-08-17
    • Yoshio SaitoYoshio ShibataSatosi Fujiie
    • Yoshio SaitoYoshio ShibataSatosi Fujiie
    • B67D7/28B67D7/48B65B3/26
    • B67D7/48
    • An automatic shut off dispensing nozzle has a nozzle main body, a discharge pipe disposed down stream of the main body, a fluid passage provided substantially straight in the main body, a valve mechanism having an axial line crossing the fluid passage, a lever provided to the main body for the operation of the valve mechanism, a first sliding shaft interlocking with the lever and having the same axial line as that of the valve mechanism, a second sliding shaft provided on the same axial line of the first sliding shaft for the operation of the valve mechanism, rollers provided for causing engagement between each of the sliding shafts, a diaphragm for the retention of the rollers, a negative pressure chamber including the diaphragm, an apparatus for generating a negative pressure which is communicated to the negative pressure chamber, and an atmosphere introducing port provided in the discharge pipe which communicates with the negative pressure chamber.
    • 自动关闭分配喷嘴具有喷嘴主体,设置在主体下游的排放管,在主体中基本上直线设置的流体通道,具有与流体通道相交的轴线的阀机构, 用于操作阀机构的主体,与杠杆互锁并且具有与阀机构相同的轴线的第一滑动轴,设置在第一滑动轴的同一轴线上用于操作的第二滑动轴 的阀机构,用于使每个滑动轴之间接合的辊,用于保持辊的隔膜,包括隔膜的负压室,用于产生与负压室连通的负压的装置, 以及设置在与负压室连通的排出管中的气氛引入口。