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    • 75. 发明授权
    • Air-fuel ratio sensor and apparatus using the same
    • 空燃比传感器及使用其的装置
    • US4661234A
    • 1987-04-28
    • US812907
    • 1985-12-23
    • Hideaki TakahashiHaruyoshi KondoTakashi TakeuchiKiyoharu Hayakawa
    • Hideaki TakahashiHaruyoshi KondoTakashi TakeuchiKiyoharu Hayakawa
    • G01N27/419G01N27/12G01N27/406G01N27/409G01N27/58
    • G01N27/4065
    • An air-fuel ratio sensor comprising a limiting electric current type oxygen sensor portion, having a sequential stacking on a porous substrate of a first electrode with high gas permeability, a solid electrolytic thin film having a specific crystal orientation, a thickness of 0.1 to 30 .mu.m, and good crystallinity. The limiting electric current type oxygen sensor portion and second electrode with a high gas permeability, is arranged and connected in parallel with a resistive type oxygen sensor portion having interdigital electrodes formed on one or both major surfaces of an oxide semiconductor thin film, the resistance of which changes in accordance with oxygen partial pressure. The air-fuel ratio sensor also has a sensor heater formed on one surface of the porous substrate around the sensor portions. The overall structure of the sensor is coated with a porous ceramic coating to which a catalyst is added.
    • 一种空燃比传感器,包括极限电流型氧传感器部分,其具有顺序堆叠在具有高透气性的第一电极的多孔基底上,具有特定结晶取向的固体电解薄膜,厚度为0.1至30 微米,结晶度好。 具有高透气性的极限电流型氧传感器部分和第二电极被布置和并联连接到具有形成在氧化物半导体薄膜的一个或两个主表面上的交叉指状电极的电阻型氧传感器部分, 其根据氧分压而变化。 空燃比传感器还具有形成在传感器部分周围的多孔基材的一个表面上的传感器加热器。 传感器的整体结构涂覆有添加有催化剂的多孔陶瓷涂层。
    • 76. 发明授权
    • Equipment for detecting oxygen concentration
    • 氧浓度检测设备
    • US4626338A
    • 1986-12-02
    • US373257
    • 1982-04-29
    • Haruyoshi KondoKeiichi SajiTakashi Takeuchi
    • Haruyoshi KondoKeiichi SajiTakashi Takeuchi
    • G01N27/406G01N27/46G01N27/58
    • G01N27/4065
    • This oxygen concentration detector employs an oxygen concentration sensor provided with a plate produced of a material which exhibits ionic conduction for oxygen (An oxygen ionic conductor), a cathode placed on the one surface of the oxygen ionic conductor plate, an anode placed on the other surface of the oxygen ionic conductor plate, and a porous material layer which functions to regulate the flow of oxygen which passes through the porous material layer to reach the cathode and the oxygen ionic conductor plate. The improvement realized in this oxygen concentration detector is to remove a drawback in which the output of this sensor makes an error depending on the temperature of a gas of which the oxygen concentration is measured. This oxygen concentration detector is provided with a limiting electric current type oxygen concentration sensor, a means for applying a voltage to the sensor for the purpose to measure a limiting current flowing in the sensor, a means for measuring a current which flows in the sensor responsive to the application of a voltage to the sensor, a means for measuring the internal resistance of the sensor, and a means for regulating at least one of the foregoing three means including a limiting electric current type oxygen concentration sensor, a means for applying a voltage to the sensor and a means for measuring a current flowing in the sensor, flowing the amount of the internal resistance of the sensor detected by the foregoing means for measuring the internal resistance of the sensor.
    • 该氧浓度检测器采用氧浓度传感器,该氧浓度传感器设置有由氧气离子导电(氧离子导体),放置在氧离子导体板的一个表面上的阴极,另一个阳极 氧离子导体板的表面,以及用于调节通过多孔材料层到达阴极和氧离子导体板的氧气流的多孔材料层。 在该氧浓度检测器中实现的改进是消除了该传感器的输出根据测量氧浓度的气体的温度产生误差的缺点。 该氧浓度检测器设置有限制电流型氧浓度传感器,用于向传感器施加电压用于测量在传感器中流动的极限电流的装置,用于测量在传感器中流动的电流的装置 对传感器施加电压,用于测量传感器的内部电阻的装置,以及用于调节上述三种装置中的至少一种装置的装置,包括限制电流型氧浓度传感器,用于施加电压的装置 传感器和用于测量在传感器中流动的电流的装置,使用上述用于测量传感器内阻的装置检测到的传感器内阻的流量。
    • 78. 发明授权
    • Apparatus with polarographic sensor to detect concentrations of
plurality of gas components
    • 具有极谱法传感器以检测多个气体成分浓度的装置
    • US4576705A
    • 1986-03-18
    • US613969
    • 1984-05-24
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiTakashi TakeuchiKiyoharu Hayakawa
    • Haruyoshi KondoHideaki TakahashiKeiichi SajiTakashi TakeuchiKiyoharu Hayakawa
    • G01N27/41G01N27/406G01N27/48G01N33/00
    • G01N27/4065
    • An apparatus for detecting concentrations of a plurality of gas components has a single polarographic sensor capable of detecting an oxygen concentration and a composite concentration of oxygen gas, carbon dioxide gas and steam. A first voltage is applied to the polarographic sensor which then measures only the oxygen concentration, or a second voltage is applied to the sensor which then measures only the composite concentration of oxygen gas, carbon dioxide gas and steam. The first and second voltages are applied to the sensor in a time division manner. Upon application of first and second voltages in such a time division manner, corresponding currents flowing through the sensor are detected to obtain signals corresponding to the oxygen concentration and the composite concentration of oxygen gas, carbon dioxide gas and steam. The signal corresponding to the oxygen concentration is subtracted by an operational amplifier from the signal corresponding to the composite concentration of oxygen gas, carbon dioxide gas and steam, thereby obtaining a signal representing a composite concentration of carbon dioxide gas and steam.
    • 用于检测多个气体组分的浓度的装置具有能够检测氧浓度和氧气,二氧化碳气体和蒸汽的复合浓度的单个极谱传感器。 将第一电压施加到极谱传感器,其然后仅测量氧浓度,或者将第二电压施加到传感器,然后传感器仅测量氧气,二氧化碳气体和蒸汽的复合浓度。 以时分方式将第一和第二电压施加到传感器。 以这种时分方式施加第一和第二电压时,检测流过传感器的对应电流,以获得对应于氧浓度和氧气,二氧化碳气体和蒸汽的复合浓度的信号。 对应于氧浓度的信号由运算放大器从对应于氧气,二氧化碳气体和蒸汽的复合浓度的信号中减去,从而获得表示二氧化碳气体和蒸汽的复合浓度的信号。
    • 79. 发明授权
    • Coated magnetic toner powder
    • 涂布磁性墨粉
    • US4530894A
    • 1985-07-23
    • US602587
    • 1984-04-20
    • Tetsuya ImamuraTakashi TakeuchiTakashi TetsutaniShinichiro Yasuda
    • Tetsuya ImamuraTakashi TakeuchiTakashi TetsutaniShinichiro Yasuda
    • G03G9/083G03G9/097G03G9/14
    • G03G9/083G03G9/0839G03G9/09733G03G9/09775Y10T428/2995
    • A magnetic toner comprises magnetic powder and a coating layer to cover said powder, the layer being a reaction product between (1) a silane coupling agent containing an amino group, an isocyanate group or an epoxy group and (2) one or more compounds having a functional group reactive with one of the reactive group on the silane coupling agent. A compound having a carboxyl group, an acid anhydride, an isocyanate compound or a ketene dimer is used for the amino group. A compound having a hydroxyl group, an amine compound or a compound having a carboxyl group is used for the isocyanate group. A compound having a hydroxyl group, a compound having a carboxyl group or a copolymer of a di- or monoalkylamino-alkyl (meth)acrylate and a hydrophobic vinyl monomer is used for the epoxy group. The magnetic toner is improved about dispersibility in a binder.
    • 磁性调色剂包括磁性粉末和覆盖所述粉末的涂层,该层是(1)含有氨基的硅烷偶联剂,异氰酸酯基或环氧基之间的反应产物,和(2)一种或多种具有 与硅烷偶联剂上的反应性基团反应的官能团。 使用具有羧基的化合物,酸酐,异氰酸酯化合物或烯酮二聚体作为氨基。 使用具有羟基的化合物,胺化合物或具有羧基的化合物作为异氰酸酯基。 作为环氧基,使用具有羟基的化合物,具有羧基的化合物或(甲基)丙烯酸二 - 或一烷基氨基烷基酯和疏水性乙烯基单体的共聚物。 关于在粘合剂中的分散性改善了磁性调色剂。