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1. 发明授权

US06579436B2 Gas sensor and method of producing the same 失效
公开(公告)号：US06579436B2
公开(公告)日：2003-06-17
申请号：US09740354
申请日：2000-12-18
申请人： Da Yu Wang , Paul C. Kikuchi , Walter T Symons , Kaius K. Polikarpus , Larry M. Oberdier
发明人： Da Yu Wang , Paul C. Kikuchi , Walter T Symons , Kaius K. Polikarpus , Larry M. Oberdier
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.

2. 发明授权

US06579435B2 Gas sensor 失效
标题翻译：气体传感器
公开(公告)号：US06579435B2
公开(公告)日：2003-06-17
申请号：US09740352
申请日：2000-12-18
申请人： Da Yu Wang , Paul C. Kikuchi , Walter T. Symons , Kaius K. Polikarpus , Larry M. Oberdier
发明人： Da Yu Wang , Paul C. Kikuchi , Walter T. Symons , Kaius K. Polikarpus , Larry M. Oberdier
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。

3. 发明授权

US07074319B2 Ammonia gas sensors 有权
公开(公告)号：US07074319B2
公开(公告)日：2006-07-11
申请号：US10734018
申请日：2003-12-11
申请人： Da Yu Wang , Walter T. Symons , Robert J. Farhat , Carlos A. Valdes , Elizabeth M. Briggs , Kaius K. Polikarpus , Joachim Kupe
发明人： Da Yu Wang , Walter T. Symons , Robert J. Farhat , Carlos A. Valdes , Elizabeth M. Briggs , Kaius K. Polikarpus , Joachim Kupe
IPC分类号： G01N27/407
CPC分类号： G01N33/0054 , G01N27/4074 , Y02A50/246
摘要： One embodiment of an ammonia gas sensor includes: a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The sensing electrode comprises the reaction product of a main material selected from the group consisting of vanadium, tungsten, molybdenum, vanadium oxides, tungsten oxides, molybdenum oxides, and combinations comprising at least one of the foregoing main materials, and an electrically conducting material selected from the group consisting of electrically conductive metals, electrically conductive metal oxides, and combinations comprising at least one of the foregoing.

4. 发明授权

US06638416B2 Hydrogen sensing process 有权
标题翻译：氢感测过程
公开(公告)号：US06638416B2
公开(公告)日：2003-10-28
申请号：US09961661
申请日：2001-09-24
申请人： Da Yu Wang , David K. Chen , Kaius K. Polikarpus , Walter T. Symons
发明人： Da Yu Wang , David K. Chen , Kaius K. Polikarpus , Walter T. Symons
IPC分类号： G01N27407
CPC分类号： G01N27/4072 , G01N33/005
摘要： A hydrogen sensor and process for measuring hydrogen gas concentrations includes a pump cell and a measuring cell. The pump cell includes a first conducting electrolyte layer having a top and a bottom surface, and an electrode disposed on the top and bottom surfaces, wherein the top electrode is in communication with an unknown concentration of hydrogen gas. The measuring cell includes a second conducting electrolyte layer having a top and a bottom surface, and an electrode disposed on the top and bottom surfaces, wherein the bottom electrode is in communication with a reference gas source. A diffusion-limiting barrier is disposed between the pump cell bottom electrode and the measuring cell top electrode, wherein hydrogen diffusion through the diffusion-limiting barrier is controlled by a Knudsen diffusion mechanism at hydrogen concentrations greater than about 40%.
摘要翻译：氢传感器和用于测量氢气浓度的方法包括泵浦单元和测量单元。泵电池包括具有顶表面和底表面的第一导电电解质层和设置在顶表面和底表面上的电极，其中顶电极与未知浓度的氢气连通。测量单元包括具有顶表面和底表面的第二导电电解质层和设置在顶表面和底表面上的电极，其中底电极与参考气体源连通。扩散限制屏障设置在泵电池底部电极和测量池顶部电极之间，其中通过扩散限制屏障的氢气扩散通过克氏扩散机构在大于约40％的氢浓度下控制。

5. 发明授权

US07828955B2 Ammonia gas sensors 有权
标题翻译：氨气传感器
公开(公告)号：US07828955B2
公开(公告)日：2010-11-09
申请号：US11483448
申请日：2006-07-10
申请人： Da Yu Wang , Walter T. Symons , Robert J. Farhat , Carlos A. Valdes , Elizabeth M. Briggs , Kaius K. Polikarpus , Joachim Kupe
发明人： Da Yu Wang , Walter T. Symons , Robert J. Farhat , Carlos A. Valdes , Elizabeth M. Briggs , Kaius K. Polikarpus , Joachim Kupe
IPC分类号： G01N27/407
CPC分类号： G01N33/0054 , G01N27/4074 , Y02A50/246
摘要： One embodiment of an ammonia gas sensor includes: a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The sensing electrode comprises the reaction product of a main material selected from the group consisting of vanadium, tungsten, molybdenum, vanadium oxides, tungsten oxides, molybdenum oxides, and combinations comprising at least one of the foregoing main materials, and an electrically conducting material selected from the group consisting of electrically conductive metals, electrically conductive metal oxides, and combinations comprising at least one of the foregoing.
摘要翻译：氨气传感器的一个实施例包括：参比电极，氨选择性感测电极和设置在其间的电解质。感测电极包括选自钒，钨，钼，氧化钒，氧化钨，氧化钼以及包含至少一种前述主要材料的组合的主要材料的反应产物和选择的导电材料来自由导电金属，导电金属氧化物组成的组，以及包含前述的至少一种的组合。

6. 发明授权

US07048844B2 Gas sensor and method for use thereof 失效
标题翻译：气体传感器及其使用方法
公开(公告)号：US07048844B2
公开(公告)日：2006-05-23
申请号：US10295338
申请日：2002-11-15
申请人： David K. Chen , Da Yu Wang , Yingjie Lin , Raymond L. Bloink , Devesh Srivastava , Walter T. Symons , Kaius K. Polikarpus
发明人： David K. Chen , Da Yu Wang , Yingjie Lin , Raymond L. Bloink , Devesh Srivastava , Walter T. Symons , Kaius K. Polikarpus
IPC分类号： G01N27/407
CPC分类号： G01N27/419
摘要： A sensor comprises: a pump cell comprising an inner pump electrode, an outer pump electrode, a pump cell electrolyte layer interposed between the inner pump electrode and the outer pump electrode and a cell isolation layer disposed on the inner pump electrode on a side opposite the pump cell electrolyte, wherein the outer electrode is in fluid communication with a reducing gas. A reference cell is in operable communication with the pump cell, the reference cell comprising an outer reference electrode and an inner reference electrode, and a reference cell electrolyte interposed between the outer reference electrode and the inner reference electrode. A diffusion limiting material flanks both sides of a chamber formed between the cell isolation layer and a cell separation layer, wherein the cell separation layer comprises a via coaxial and in fluid communication with the inner pump electrode, the diffusing limiting material, and the outer reference electrode, and wherein the diffusion limiting material has a gas permeability such that the limiting current of oxygen in air is about 0.05 mA to about 5 mA per cm2 of pump electrode area.
摘要翻译：传感器包括：泵电池，包括内泵电极，外泵电极，介于内泵电极和外泵电极之间的泵电池电解质层，以及设置在内泵电极上的电池隔离层泵电池电解质，其中外电极与还原气体流体连通。参考单元与泵浦单元可操作地通信，该参考单元包括外部参考电极和内部参考电极以及介于外部参考电极和内部参考电极之间的参考单元电解质。扩散限制材料在形成在细胞隔离层和细胞分离层之间的室的两侧侧面，其中细胞分离层包括通孔同轴并与内泵电极，扩散限制材料和外参考物流体连通电极，并且其中所述扩散限制材料具有气体渗透性，使得空气中的氧气的极限电流为约0.02mA至约5mA / cm 2的泵电极区域。

7. 发明授权

US06793788B2 Method and device for hydrogen and hydrocarbon sensing 失效
标题翻译：氢和碳氢化合物感测的方法和装置
公开(公告)号：US06793788B2
公开(公告)日：2004-09-21
申请号：US10117566
申请日：2002-04-05
申请人： Da Yu Wang , Kaius K. Polikarpus , Walter T. Symons , Frederick L. Kennard III , Ming-Cheng Wu
发明人： Da Yu Wang , Kaius K. Polikarpus , Walter T. Symons , Frederick L. Kennard III , Ming-Cheng Wu
IPC分类号： G01N27407
CPC分类号： G01N27/4075
摘要： One embodiment of a method of fabricating a sensor element for an exhaust gas sensing device, comprises disposing an electrolyte in ionic communication with a sensing electrode and a reference electrode to form the sensor element. The sensing electrode comprises an activator comprising silica and an oxide of an element. The element is selected from the group consisting of alkaline earth elements, rare earth elements, and combinations comprising at least one of the foregoing elements.
摘要翻译：一种制造用于排气感测装置的传感器元件的方法的一个实施例，包括将电解质与感测电极和参考电极离子连通地设置以形成传感器元件。感测电极包括包含二氧化硅和元素的氧化物的活化剂。该元素选自碱土元素，稀土元素和包含至少一种前述元素的组合。

8. 发明申请

US20130264203A1 LOW COST CO-FIRED SENSOR HEATING CIRCUIT 审中-公开
标题翻译：低成本联合传感器加热电路
公开(公告)号：US20130264203A1
公开(公告)日：2013-10-10
申请号：US13701638
申请日：2011-06-04
申请人： Oscar Gamboa , Walter T. Symons , Eric P. Clyde , Kaius K. Polikarpus , Debabrata Sarkar
发明人： Oscar Gamboa , Walter T. Symons , Eric P. Clyde , Kaius K. Polikarpus , Debabrata Sarkar
IPC分类号： G01N27/406 , H05B3/18
CPC分类号： H05B1/00 , G01N27/4067 , H05B3/12 , H05B3/16 , H05B3/18 , H05B3/265 , H05B2203/003 , H05B2203/014 , H05B2203/017
摘要： A planar device includes a heating circuit that is disposed between ceramic layers and co-fired with the ceramic. The heating circuit comprises palladium, and the co-firing of the palladium and ceramic is performed in an oxidizing atmosphere. The formation of defects in the planar device that would otherwise be induced as a result of the palladium oxidizing during the co-firing process is prevented by control of the firing profile, by the geometry of the pattern of the heating circuit, and/or by modifying the palladium to reduce its tendency to oxidize.
摘要翻译：平面装置包括设置在陶瓷层之间并与陶瓷共烧的加热电路。加热回路包括钯，钯和陶瓷的共烧在氧化气氛中进行。通过控制烧制轮廓，加热回路的图案的几何形状和/或由加热回路的图案的几何形状来防止由于在共焙烧过程中由于钯氧化而导致的平面装置中缺陷的形成，改性钯以降低其氧化趋势。

9. 发明授权

US09429540B2 Low-temperature activity exhaust sensor 有权
标题翻译：低温活动排气传感器
公开(公告)号：US09429540B2
公开(公告)日：2016-08-30
申请号：US13698449
申请日：2011-06-03
申请人： Eric P. Clyde , Walter T. Symons , Kaius K. Polikarpus , James D. Ward , Marsha E. Nottingham
发明人： Eric P. Clyde , Walter T. Symons , Kaius K. Polikarpus , James D. Ward , Marsha E. Nottingham
IPC分类号： G01N27/416 , G01N27/407
CPC分类号： G01N27/4162 , G01N27/4075
摘要： An exhaust sensor comprises a sensing electrode and a reference electrode each in contact with an electrolyte. At least one of the sensing electrode and the reference electrode are formed by depositing an electrode precursor material on an electrolyte precursor material and sintering the combination at a sufficient temperature for a sufficient time to achieve densification of the electrolyte, wherein the electrode precursor material comprises an alkali salt. Electrode patterns having enhanced perimeter ratios are also disclosed. The resulting exhaust sensor is capable of providing a usable output at a reduced operating temperature.
摘要翻译：排气传感器包括各自与电解质接触的检测电极和参比电极。通过在电解质前体材料上沉积电极母体材料并在足够的温度下烧结组合足够的时间以实现电解质的致密化而形成感测电极和参考电极中的至少一个，其中电极前体材料包括碱盐。还公开了具有增强的周长比的电极图案。所得到的排气传感器能够在降低的工作温度下提供可用的输出。

10. 发明申请

US20130092538A1 LOW-TEMPERATURE ACTIVITY EXHAUST SENSOR 有权
标题翻译：低温活性排气传感器
公开(公告)号：US20130092538A1
公开(公告)日：2013-04-18
申请号：US13698449
申请日：2011-06-03
申请人： Eric P. Clyde , Walter T. Symons , Kaius K. Polikarpus , James D. Ward , Marsha E. Nottingham
发明人： Eric P. Clyde , Walter T. Symons , Kaius K. Polikarpus , James D. Ward , Marsha E. Nottingham
IPC分类号： G01N27/416
CPC分类号： G01N27/4162 , G01N27/4075
摘要： An exhaust sensor comprises a sensing electrode and a reference electrode each in contact with an electrolyte. At least one of the sensing electrode and the reference electrode are formed by depositing an electrode precursor material on an electrolyte precursor material and sintering the combination at a sufficient temperature for a sufficient time to achieve densification of the electrolyte, wherein the electrode precursor material comprises an alkali salt. Electrode patterns having enhanced perimeter ratios are also disclosed. The resulting exhaust sensor is capable of providing a usable output at a reduced operating temperature.
摘要翻译：排气传感器包括各自与电解质接触的检测电极和参比电极。通过在电解质前体材料上沉积电极母体材料并在足够的温度下烧结组合足够的时间以实现电解质的致密化而形成感测电极和参考电极中的至少一个，其中电极前体材料包括碱盐。还公开了具有增强的周长比的电极图案。所得到的排气传感器能够在降低的工作温度下提供可用的输出。

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