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    • 2. 发明授权
    • Method of detecting air/fuel ratio in combustor by detecting oxygen in
combustion gas
    • 通过检测燃烧气体中的氧气来检测燃烧器中的空气/燃料比的方法
    • US4224113A
    • 1980-09-23
    • US28747
    • 1979-04-10
    • Shinji KimuraHiroshi TakaoShigeo IshitaniKenji IkezawaHiroyuki Aoki
    • Shinji KimuraHiroshi TakaoShigeo IshitaniKenji IkezawaHiroyuki Aoki
    • G01N27/409F02D41/14F02P5/15G01N27/406G01N27/407G01N27/58
    • G01N27/4071G01N27/4065
    • A method of detecting numerical values for air/fuel ratio of either a lean air-fuel mixture or a rich mixture supplied to, for example, a combustion engine by means of an oxygen sensor disposed in the exhaust gas. The sensor comprises a porous measurement electrode layer on one side of a porous solid electrolyte layer, e.g., of zirconia and a porous reference electrode layer on the other side with a shield layer thereon, so that the reference electrode layer communicates with the exhaust gas through pores in the sensor. Measurement is accomplished by keeping a DC current flowing between the two electrode layers to establish a reference oxygen partial pressure on the reference electrode side. The intensity of the current is made below a critical value above which an EMF generated by the sensor becomes substantially constant unless the air/fuel ratio changes across the stoichiometric ratio, and the direction of the current flow is chosen depending on whether the air-fuel mixture is a lean one or a rich one.
    • 通过设置在排气中的氧传感器来检测供给到例如内燃机的贫空燃混合物或富混合物的空/燃比的数值的方法。 该传感器包括在多孔固体电解质层(例如氧化锆)的一侧上的多孔测量电极层和另一侧上具有屏蔽层的多孔参比电极层,使得参考电极层与排气通过 传感器孔。 通过保持直流电流在两个电极层之间流动以在参考电极侧上建立参考氧分压来实现测量。 电流的强度低于临界值,高于此值的情况下,传感器产生的EMF变得基本恒定,除非空气/燃料比在化学计量比上变化,并且电流方向取决于空气燃料 混合物是稀薄的或富有的。
    • 3. 发明授权
    • Device for detection of air/fuel ratio from oxygen partial pressure in
exhaust gas
    • 用于检测废气中氧气分压的空气/燃料比的装置
    • US4264425A
    • 1981-04-28
    • US152857
    • 1980-05-23
    • Shinji KimuraHiroshi TakaoShigeo IshitaniKenji IkezawaHiroyuki Aoki
    • Shinji KimuraHiroshi TakaoShigeo IshitaniKenji IkezawaHiroyuki Aoki
    • E04D11/02B32B11/00B32B11/04B32B11/10C09D121/00C09D145/00C09D175/00C09D195/00F02M7/00G01N27/407G01N27/413G01N27/417G01N27/58
    • G01N27/4071G01N27/417
    • A device having an oxygen sensing probe to be disposed in a combustion gas to detect actual air/fuel ratio values of an air-fuel mixture subjected to combustion. The probe is a combination of two oxygen concentration cells each having a porous solid electrolyte layer such as of zirconia, a porous measurement electrode layer on one side of the solid electrolyte layer and a reference electrode layer on the other side, with a shield layer thereon. Either the shield layers of the two cells or the solid electrolyte layers of the two cells are provided by a single layer which serves also as a substrate of the entire probe. The device includes DC power supply means for forcing a current to flow through the solid electrolyte of each cell thereby to cause oxygen ions to migrate through each solid electrolyte layer, from the reference electrode layer to the measurement electrode layer in one cell and reversely in the other cell. Both air/fuel ratios above a stoichiometric ratio inclusive and air/fuel ratios below the soichiometric ratio inclusive can be detected by this device.
    • 一种具有氧传感探针的装置,其设置在燃烧气体中,以检测经历燃烧的空气 - 燃料混合物的实际空气/燃料比值。 探针是两个氧浓缩电池的组合,每个氧浓度电池具有诸如氧化锆的多孔固体电解质层,在固体电解质层的一侧上的多孔测量电极层和另一侧上的参考电极层,其上具有屏蔽层 。 两个电池的屏蔽层或两个电池的固体电解质层中的任一个都由用作整个探针的基底的单层提供。 该装置包括用于迫使电流流过每个电池的固体电解质的直流电源装置,从而使氧离子从一个电池中的参考电极层到测量电极层通过每个固体电解质层迁移,并且在 其他细胞 可以通过该装置检测到高于化学计量比的空气/燃料比以及低于化学计量比的空气/燃料比。
    • 7. 发明授权
    • Input apparatus
    • 输入装置
    • US09348442B2
    • 2016-05-24
    • US13980206
    • 2012-01-24
    • Kenichi KitataniHiroyuki AokiYumi KatouAyumu YagihashiAtsuhiko MurayamaSeiji Sugahara
    • Kenichi KitataniHiroyuki AokiYumi KatouAyumu YagihashiAtsuhiko MurayamaSeiji Sugahara
    • G06F3/041G06F3/043
    • G06F3/041G06F3/043G06F2203/04101
    • An input apparatus (for example, a mobile terminal apparatus (100)) includes a display unit (60) that displays a plurality of operation position displays (for example, operation position displays (61 to 66)); and a detection unit that contactlessly detects an operation which corresponds to an operation position set in a specific space of a front of the input apparatus in correspondence to each of the plurality of operation position displays. The detection unit includes a first piezoelectric element (an oscillation piezoelectric element (31)) that oscillates ultrasound toward the front space of the input apparatus; a second piezoelectric element (a reception piezoelectric element (21)) that detects the ultrasound which is oscillated by the first piezoelectric element; and a determination unit that determines whether or not an operation is performed on a certain operation position based on a result of detection performed by the second piezoelectric element.
    • 输入装置(例如,移动终端装置)具备显示多个操作位置显示(例如,操作位置显示(61〜66))的显示部(60)。 以及检测单元,其对应于所述多个操作位置显示中的每一个,对与输入装置的前部的特定空间中设置的操作位置相对应的操作进行无接触地检测。 检测单元包括使超声波朝向输入设备的前部空间振荡的第一压电元件(振荡压电元件(31)); 第二压电元件(接收压电元件),其检测由所述第一压电元件振荡的超声波; 以及确定单元,其基于由所述第二压电元件执行的检测结果来确定是否在某个操作位置执行操作。