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公开(公告)号：US06579435B2
公开(公告)日：2003-06-17
申请号：US09740352
申请日：2000-12-18
IPC分类号： G01N27407
CPC分类号： G01N27/419
摘要： A gas sensor is disclosed comprising an oxygen pump cell having at least one exterior pump electrode and at least one interior pump electrode disposed on opposite sides of a first solid electrolyte layer. An emf cell having a first and second emf electrodes and first and second reference gas electrodes are disposed on opposite sides of a second solid electrolyte layer. At least one insulating layer is in contact with the first and second emf electrodes. At least one via hole is disposed through the first solid electrolyte layer. At least one air channel is disposed through at least one insulating layer. An air vent is disposed in at least one insulating layer in contact with the first and second reference gas electrodes. A heater is disposed in thermal communication with the sensor. And at least five electrical leads are in electrical communication with said sensor. A method of using a gas sensor is also disclosed.
摘要翻译： 公开了一种气体传感器，其包括具有至少一个外部泵电极和设置在第一固体电解质层的相对侧上的至少一个内部泵电极的氧气泵电池。 具有第一和第二电极电极和第一和第二参考气体电极的电池单元设置在第二固体电解质层的相对侧上。 至少一个绝缘层与第一和第二电极电极接触。 至少一个通孔设置穿过第一固体电解质层。 至少一个空气通道设置成穿过至少一个绝缘层。 排气孔设置在与第一和第二参考气体电极接触的至少一个绝缘层中。 加热器与传感器热连通地设置。 并且至少五个电引线与所述传感器电连通。 还公开了一种使用气体传感器的方法。
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公开(公告)号：US06579436B2
公开(公告)日：2003-06-17
申请号：US09740354
申请日：2000-12-18
IPC分类号： G01N27407
CPC分类号： G01N27/419
摘要： A gas sensor, comprising an oxygen pump cell with a first pump electrode and a second pump electrode disposed on opposite sides of a first solid electrolyte layer and a second pump electrode. The sensor also comprises an emf cell with an emf electrode and a reference gas electrode disposed on opposite sides of a second solid electrolyte layer. The emf electrode is disposed in fluid communication to the second pump electrode. A via hole is disposed through the first solid electrolyte layer, such that the first pump electrode is in fluid communication with the second pump electrode. A protective insulating layer, having a passage for gas to be sensed, is disposed in contact with the first pump electrode. A first insulating layer, having a conduit, is disposed in contact with the emf electrode. A second insulating layer, having an air channel, is disposed in contact with the reference gas electrode. A heater is disposed in thermal communication with the emf cell. At least four electrical leads are in electrical communication with the sensor. A method of producing a gas sensor is disclosed.
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公开(公告)号：US07279133B2
公开(公告)日：2007-10-09
申请号：US10029049
申请日：2001-12-20
申请人： David K. Chen , David P. Wallace , Da Yu Wang , Walter T. Symons , Paul C. Kikuchi , Yingjie Lin , Lora Thrun , Mark A. Shost , Joseph G. Ralph
发明人： David K. Chen , David P. Wallace , Da Yu Wang , Walter T. Symons , Paul C. Kikuchi , Yingjie Lin , Lora Thrun , Mark A. Shost , Joseph G. Ralph
CPC分类号： G01K7/223 , G01N27/419 , Y10T436/207497
摘要： In a planar oxygen sensor having a pump cell, a reference cell, a sensor chamber and a heating device, a ground plane electrode is provided and includes a sensing portion having a first sense lead and a second sense lead and a measuring portion having a first measuring lead and a second measuring lead, wherein the first measuring lead and the second measuring lead have increased surface area relative to said sensing portion such that the resistance between the first measuring lead and the second measuring lead is reduced and wherein the first measuring lead is disposed so as to be communicated with the first sense lead and the second measuring lead is disposed so as to be communicated with the second sense lead. Also, in a planar oxygen sensor having a pump cell, a reference cell, a sensor chamber, a heating device and a ground plane electrode that includes a sensing portion having a first sense lead and a second sense lead and a measuring portion having a first measuring lead and a second measuring lead, a method for measuring the temperature of the planar oxygen sensor is provided and includes obtaining a temperature measurement device, communicating the temperature measurement device with the first measuring lead and the second measuring lead, operating the planar oxygen sensor so as to cause the heating device to heat the planar oxygen sensor, and measuring the resistance between the first measuring lead and the second measuring lead.
摘要翻译： 在具有泵电池，参考电池，传感器室和加热装置的平面氧传感器中，提供接地平面电极，并且包括具有第一感测引线和第二感测引线的感测部分和具有第一 测量引线和第二测量引线，其中所述第一测量引线和所述第二测量引线相对于所述感测部分具有增加的表面积，使得所述第一测量引线和所述第二测量引线之间的电阻减小，并且其中所述第一测量引线为 被布置成与第一感测引线连通，并且第二测量引线被设置成与第二感测引线连通。 此外，在具有泵电池，参考电池，传感器室，加热装置和接地平面电极的平面氧传感器中，包括具有第一感测引线和第二感测引线的感测部分和具有第一感测引线的测量部分 测量引线和第二测量引线，提供了一种用于测量平面氧传感器的温度的方法，包括获得温度测量装置，将温度测量装置与第一测量引线和第二测量引线连通，操作平面氧传感器 以使加热装置加热平面氧传感器，并测量第一测量引线和第二测量引线之间的电阻。
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公开(公告)号：US06486449B2
公开(公告)日：2002-11-26
申请号：US10020545
申请日：2001-10-29
IPC分类号： H05B302
CPC分类号： G01N27/4071
摘要： A heater for a gas sensor has a first thermistor element and a second thermistor element arranged in an electrically parallel configuration. Each thermistor element may be deposited onto a substrate such that the first thermistor element extends about a perimeter of the substrate and the second thermistor element extends across a portion of the substrate intermediate the perimeter of the substrate. The thermistor elements are preferably fabricated of materials having differing thermal coefficients of resistivity. A method of heating the gas sensor includes disposing the two thermistor elements in an electrically parallel configuration over a surface of the substrate and passing an electric current through the elements.
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公开(公告)号：US06435005B1
公开(公告)日：2002-08-20
申请号：US09741597
申请日：2000-12-19
IPC分类号： G01N2712
CPC分类号： G01N27/4067 , Y10T29/49007 , Y10T29/49083
摘要： A heater pattern for a heater of a gas sensor in which a temperature profile is manipulated utilizes a thermistor element arranged in an electrically serial configuration and disposed on a substrate. The thermistor element is arranged so as to define an edge pattern extending about a perimeter of the substrate and a center pattern serially connected to the edge pattern. The center pattern extends over a portion of the substrate that is intermediate the perimeter of the substrate. In a preferred embodiment, the thermistor element is screen printed onto the substrate to a thickness of about 5 microns to about 50 microns, and preferably to a thickness of about 10 microns to about 40 microns. The edge and center patterns are furthermore preferably formed of materials having differing coefficients of thermal resistivity, e.g., platinum and platinum/palladium blends. A method of heating the gas sensor includes disposing the thermistor element in an electrically serial configuration about a perimeter of the substrate and over a portion of the substrate intermediate the perimeter of the substrate and pass an electric current through the thermistor element.
摘要翻译： 其中温度分布被控制的气体传感器的加热器的加热器图案利用以电串联配置布置并设置在基板上的热敏电阻元件。 热敏电阻元件布置成限定围绕衬底的周边延伸的边缘图案和与该边缘图案串联连接的中心图案。 中心图案延伸在衬底的位于衬底的周边之上的一部分上。 在优选实施例中，将热敏电阻元件丝网印刷到基底上，厚度为约5微米至约50微米，优选为约10微米至约40微米。 边缘和中心图案还优选地由具有不同系数的热阻率的材料形成，例如铂和铂/钯共混物。 一种加热气体传感器的方法包括将热敏电阻元件设置在围绕基板的周边的电气串联配置中，并且在基板周边的一部分之上并且传递电流通过热敏电阻元件。
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公开(公告)号：US06365880B1
公开(公告)日：2002-04-02
申请号：US09740776
申请日：2000-12-19
IPC分类号： H05B302
CPC分类号： G01N27/4071
摘要： A heater for a gas sensor has a first thermistor element and a second thermistor element arranged in an electrically parallel configuration. Each thermistor element may be deposited onto a substrate such that the first thermistor element extends about a perimeter of the substrate and the second thermistor element extends across a portion of the substrate intermediate the perimeter of the substrate. The thermistor elements are preferably fabricated of materials having differing thermal coefficients of resistivity. A method of heating the gas sensor includes disposing the two thermistor elements in an electrically parallel configuration over a surface of the substrate and passing an electric current through the elements.
摘要翻译： 用于气体传感器的加热器具有以电气并联构造布置的第一热敏电阻元件和第二热敏电阻元件。 每个热敏电阻元件可以沉积在基板上，使得第一热敏电阻元件围绕基板的周边延伸，并且第二热敏电阻元件延伸穿过衬底的位于衬底的周边的部分。 热敏电阻元件优选由具有不同的电阻率系数的材料制成。 一种加热气体传感器的方法包括将两个热敏电阻元件以电气平行的形式布置在衬底的表面上并使电流通过元件。
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公开(公告)号：US06616820B2
公开(公告)日：2003-09-09
申请号：US09737518
申请日：2000-12-15
申请人： Da Yu Wang , Raymond L. Bloink , Frederick L. Kennard , Lone-Wen F. Tai , Eric J. Detwiler , Walter J. Symons , Paul C. Kikuchi , Lora Younkman
发明人： Da Yu Wang , Raymond L. Bloink , Frederick L. Kennard , Lone-Wen F. Tai , Eric J. Detwiler , Walter J. Symons , Paul C. Kikuchi , Lora Younkman
IPC分类号： G01N2726
CPC分类号： G01N33/0037 , G01N1/2252 , G01N27/4074 , Y02A50/245 , Y10T436/177692 , Y10T436/179228
摘要： A gas sensor for sensing NOx having electrochemical cells wherein dielectric material surrounds electrolytes except where electrodes are attached. Thereby, the exhaust gas is effectively prevented from contacting the electrolytes of the sensor's electrochemical cells. With the use of this technique, signal cross talk is minimized while enhancing NOx sensing sensitivity. Further, the total number electrodes needed are reduced which allows for more complex sensors structures.
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公开(公告)号：US06723217B1
公开(公告)日：2004-04-20
申请号：US10089322
申请日：2002-07-23
申请人： Richard W. Duce , Paul C. Kikuchi , Wayne M. Chadwick , Eric J. Detwiler , Jeffrey T. Coha , Carlos A. Valdes , Scott T. Sanford , Richard C. Kuisell
发明人： Richard W. Duce , Paul C. Kikuchi , Wayne M. Chadwick , Eric J. Detwiler , Jeffrey T. Coha , Carlos A. Valdes , Scott T. Sanford , Richard C. Kuisell
IPC分类号： G01N27409
CPC分类号： G01N27/419 , G01N27/4071 , Y10T156/10
摘要： A gas sensor is created comprising an electrochemical cell having a solid electrolyte layer disposed between an exhaust gas electrode and a reference electrode. A resistor is disposed in electrical communication with a heater and the reference electrode. The resistor can be disposed on a side of the gas sensor; on a side of the gas sensor such that the resistor is electrically connected through a via hole; over at least a portion of at least two sides of the gas sensor; or disposed in a void extending at least from the heater to the pump electrode, such that the void extends to at least a surface of the gas sensor, extends to at least partially through the gas sensor, or extends completely through the gas sensor. A method for using this gas sensor comprises applying a voltage to the heater within the gas sensor. A current is directed through the resistor to the reference electrode to pump oxygen into the reference electrode.
摘要翻译： 产生气体传感器，其包括具有设置在废气电极和参考电极之间的固体电解质层的电化学电池。 电阻器设置成与加热器和参考电极电连通。 电阻器可以设置在气体传感器的一侧; 在气体传感器的一侧，使得电阻器通过通孔电连接; 在气体传感器的至少两侧的至少一部分上方; 或设置在至少从加热器延伸到泵电极的空隙中，使得空隙延伸到气体传感器的至少一个表面，至少部分地延伸穿过气体传感器，或者完全延伸穿过气体传感器。 使用该气体传感器的方法包括向气体传感器内的加热器施加电压。 电流通过电阻器引导到参比电极，以将氧气泵入参考电极。
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公开(公告)号：US06709558B2
公开(公告)日：2004-03-23
申请号：US10141548
申请日：2002-05-08
IPC分类号： G01N27407
CPC分类号： G01N27/4077 , C23C14/083 , C23C14/185
摘要： Disclosed herein is a gas sensor and a method of making a gas sensor comprising disposing a reference electrode on an inner surface of an electrolyte; sputtering a sensing electrode on an outer surface of the electrolyte; sputtering a zirconia layer on a side of the sensing electrode opposite the electrolyte, wherein the zirconia layer has a thickness of about 20 nanometers to about 1 micrometer, and disposing a protective layer on a side of the zirconia layer opposite the sensing electrode.
摘要翻译： 本文公开了一种气体传感器和制造气体传感器的方法，包括在电解质的内表面上设置参考电极; 在电解质的外表面上溅射感测电极; 在与电解质相对的感测电极侧溅射氧化锆层，其中氧化锆层具有约20纳米至约1微米的厚度，并且在与感测电极相对的氧化锆层的侧面上设置保护层。
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公开(公告)号：US20080107923A1
公开(公告)日：2008-05-08
申请号：US11557839
申请日：2006-11-08
申请人： David P. Wallace , Paul C. Kikuchi
发明人： David P. Wallace , Paul C. Kikuchi
CPC分类号： H01M6/181 , G01N27/4075
摘要： An electrochemical cell, comprising: an electrolyte having a first active exterior surface and a second active exterior surface aligned with the first active exterior surface; a first electrode having a main contact surface area disposed on the first active exterior surface of the electrolyte, wherein the main contact surface area of the first electrode defines a conductive path that does not completely cover the first active exterior surface; a second electrode disposed on the second active exterior surface of the electrolyte; and wherein, the electrochemical cell's resistance to oxygen ions is less than an electrochemical cell having a pair of electrodes configured to cover a greater percentage of the first and second active exterior surface areas.
摘要翻译： 一种电化学电池，包括：电解质，其具有与所述第一活性外表面对准的第一活性外表面和第二活性外表面; 第一电极，其具有设置在电解质的第一有源外表面上的主接触表面区域，其中第一电极的主接触表面区域限定不完全覆盖第一有源外表面的导电路径; 设置在电解质的第二活性外表面上的第二电极; 并且其中，所述电化学电池对氧离子的抗性小于具有一对电极的电化学电池，所述电极构造成覆盖所述第一和第二活性外表面区域的较大百分比。
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