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1. 发明授权

US07722749B2 Gas sensor and method for forming same 有权
标题翻译：气体传感器及其形成方法
公开(公告)号：US07722749B2
公开(公告)日：2010-05-25
申请号：US11218152
申请日：2005-09-01
申请人： Da Yu Wang , Walter Thomas Symons , Robert Jerome Farhat , Sheng Yao , Joachim Kupe
发明人： Da Yu Wang , Walter Thomas Symons , Robert Jerome Farhat , Sheng Yao , Joachim Kupe
IPC分类号： G01N27/407
CPC分类号： G01N27/4074 , C03C3/091 , C03C8/14 , F01N2560/021 , F01N2610/02 , G01N33/0054 , Y02A50/246
摘要： A sensor including a species selective electrode and a reference electrode having an electrolyte layer disposed therebetween; a reference gas channel in fluid communication with the reference electrode; a heater and a temperature sensor; wherein the species selective electrode is disposed on a first side of an insulating layer separating the species selective electrode from the electrolyte layer, the insulating layer having a first substantially solid area and a second area having an opening pattern extending through the insulating layer; the species selective electrode comprising a species sensing electrode portion disposed on the opening pattern of the insulating layer so as to contact the electrolyte layer through the opening pattern and a non-active electrode lead portion disposed over the first substantially solid area so that the non-active electrode lead portion is in electrical communication with the species sensing electrode portion and is free from contact with the electrolyte layer.
摘要翻译：一种传感器，包括种类选择性电极和参考电极，其间设置有电解质层; 与参比电极流体连通的参考气体通道; 加热器和温度传感器; 其中所述物质选择电极设置在绝缘层的第一侧，所述绝缘层将所述物质选择性电极与所述电解质层分离，所述绝缘层具有第一基本上固体区域和具有延伸穿过所述绝缘层的开口图案的第二区域; 所述物质选择电极包括设置在所述绝缘层的开口图案上的物种感测电极部分，以便通过所述开口图案接触所述电解质层，以及设置在所述第一基本上固体区域上的非有效电极引线部分，有源电极引线部分与物种感测电极部分电连通并且不与电解质层接触。

2. 发明授权

US08658013B2 Sensor and sensing method 有权
标题翻译：传感器和传感方法
公开(公告)号：US08658013B2
公开(公告)日：2014-02-25
申请号：US11292179
申请日：2005-12-01
申请人： Da Yu Wang , Walter Thomas Symons , Robert Jerome Farhat , John E. Kirwan , Joachim Kupe , Kenneth D. Mowery
发明人： Da Yu Wang , Walter Thomas Symons , Robert Jerome Farhat , John E. Kirwan , Joachim Kupe , Kenneth D. Mowery
IPC分类号： G01N27/409 , G01N27/41
CPC分类号： G01N27/419 , H01M8/04089 , H01M8/0618
摘要： A sensor includes an oxygen pump cell; an oxygen pump chamber; an emf cell; a reference chamber providing a fluid connection to the reference gas; gas channels in fluid communication with the pump and emf electrodes, the reference gas comprising reformate produced by a fuel reformer fueled by an air-fuel gas mixture having an air-fuel ratio; a reformer electronic control module; a sensor electronic control module; a heater; a temperature sensor disposed in communication with the heater and the sensor control module for maintaining the sensor at a desired operating temperature; a closed loop controlled operation amplifier in electrical communication with the sensor, whereby the oxygen pump cell provides sufficient oxygen ions to oxidize an incoming diffusion-limiting fuel flux to the emf cell and maintain a constant emf at the emf cell, and wherein a current value represents an equivalent to the air-fuel ratio of the air-fuel gas mixture.
摘要翻译：传感器包括氧气泵电池; 氧气泵室; 电磁场; 提供与参考气体的流体连接的参考室; 与泵和emf电极流体连通的气体通道，所述参考气体包括由具有空燃比的空气 - 燃料气体混合物燃料的燃料重整器产生的重整产物; 重整器电子控制模块; 传感器电子控制模块; 加热器与所述加热器和所述传感器控制模块连通的温度传感器，用于将所述传感器保持在期望的工作温度; 与所述传感器电连通的闭环控制运算放大器，由此所述氧泵单元提供足够的氧离子以将进入的扩散限制性燃料通量氧化到所述电磁室并且在所述电磁场处保持恒定的电动势，并且其中电流值表示空气 - 燃料气体混合物的空燃比。

3. 发明授权

US07294252B2 NOx sensor and methods of using the same 有权
标题翻译： NOx传感器及其使用方法
公开(公告)号：US07294252B2
公开(公告)日：2007-11-13
申请号：US11538252
申请日：2006-10-03
申请人： Da Yu Wang , Walter T. Symons , Robert Jerome Farhat , Sheng Yao , Joachim Kupe
发明人： Da Yu Wang , Walter T. Symons , Robert Jerome Farhat , Sheng Yao , Joachim Kupe
IPC分类号： G01N27/407
CPC分类号： G01N33/0037 , G01N27/4074 , Y02A50/245
摘要： Disclosed herein are NOx sensors and methods of using the same. In one embodiment, a method for sensing NOx comprises: contacting a first NOx electrode with the gas, contacting a second NOx electrode with the gas, determining a NO2 emf between the first NOX electrode and a first reference electrode, determining a NOx emf between the second NOx electrode and a second reference electrode, and determining a NO2 concentration and a NO concentration using the NO2 emf and the NOx emf. The first electrode can be at a first temperature of greater than or equal to about 700° C., and the second electrode can be at a second temperature of about 500° C. to about 650° C.
摘要翻译：本文公开了NOx传感器及其使用方法。在一个实施例中，用于感测NOx的方法包括：使第一NOx电极与气体接触，使第二NOx电极与气体接触，确定第一NO x电极和第一参考电极之间的NO 2 电极，确定第二NOx电极和第二参比电极之间的NOx电动势，以及使用NO 2 2 emf和NO x emf确定NO 2浓度和NO浓度。第一电极可以处于大于或等于约700℃的第一温度，并且第二电极可以处于约500℃至约650℃的第二温度。

4. 发明授权

US06862919B2 Ethanol and volatility sensor and fabrication method 有权
标题翻译：乙醇和挥发性传感器及其制造方法
公开(公告)号：US06862919B2
公开(公告)日：2005-03-08
申请号：US10464337
申请日：2003-06-17
申请人： Yingjie Lin , Da Yu Wang , Robert Jerome Farhat , Raymond L. Bloink , William J. LaBarge
发明人： Yingjie Lin , Da Yu Wang , Robert Jerome Farhat , Raymond L. Bloink , William J. LaBarge
IPC分类号： G01N25/14 , G01N27/22 , G01N33/28 , G01N11/00
CPC分类号： G01N33/2852 , G01N25/14 , G01N27/226
摘要： In one embodiment, a method for forming the sensor comprises: disposing capacitance electrodes and a heater on green layers; disposing the layers such that the capacitance electrodes are disposed between adjacent green layers and the heater is disposed on a side of a green layer opposite one of the capacitance electrodes; disposing a gap insert in physical contact with the capacitance electrodes, wherein the gap insert has a higher sintering temperature than the green layers; sintering the green layers; and removing the gap insert.
摘要翻译：在一个实施例中，形成传感器的方法包括：将电容电极和加热器设置在绿色层上; 将电容电极配置在相邻的绿色层之间，加热器设置在与一个电容电极相对的绿色层的一侧上; 设置与电容电极物理接触的间隙插入件，其中间隙插入件具有比绿色层更高的烧结温度; 烧结绿色层; 并移除间隙插入物。

5. 发明申请

US20080110769A1 EXHAUST GAS SENSORS AND METHODS FOR MEASURING CONCENTRATIONS OF NOX AND AMMONIA AND TEMPERATURES OF THE SENSORS 审中-公开
标题翻译：废气传感器和测量NOX和氨的浓度和传感器温度的方法
公开(公告)号：US20080110769A1
公开(公告)日：2008-05-15
申请号：US11558123
申请日：2006-11-09
申请人： Da Yu Wang , Robert Jerome Farhat
发明人： Da Yu Wang , Robert Jerome Farhat
IPC分类号： G01N27/26
CPC分类号： G01N27/4071 , G01N33/0037 , Y02A50/245
摘要： Exhaust gas sensors and methods for measuring concentrations of NOx and ammonia and temperatures of the sensors are provided. In one exemplary embodiment, an exhaust gas sensor utilizes one zirconia layer and a plurality of alumina layers therein for generating signals indicative of concentrations of NOx and ammonia, and having an impedance indicative of a temperature of the exhaust gas sensor.
摘要翻译：提供废气传感器和用于测量NOx和氨浓度以及传感器温度的方法。在一个示例性实施例中，废气传感器利用一个氧化锆层和其中的多个氧化铝层来产生指示NOx和氨浓度的信号，并具有指示废气传感器的温度的阻抗。

6. 发明授权

US06562747B2 Gas sensor electrolyte 有权
标题翻译：气体传感器电解液
公开(公告)号：US06562747B2
公开(公告)日：2003-05-13
申请号：US09741498
申请日：2000-12-19
申请人： Walter Thomas Symons , Kaius Kiiren Polikarpus , Kerry J. Gross , Da Yu Wang , Paul Casey Kikuchi
发明人： Walter Thomas Symons , Kaius Kiiren Polikarpus , Kerry J. Gross , Da Yu Wang , Paul Casey Kikuchi
IPC分类号： H01M810
CPC分类号： G01N27/4073
摘要： The electrolyte comprises up to about 80 wt % zirconia, up to about 30 wt % stabilizer, and up to about 40 wt % dopant-zirconia. Alternatively, the electrolyte can comprise zirconia having a phase chemistry, wherein the phase chemistry, at about 25° C., is about 15 wt % to about 35 wt % monoclinic, less than about 10 wt % tetragonal, balance cubic, based upon the weight of the zirconia in the electrolyte.
摘要翻译：电解质包含至多约80重量％的氧化锆，至多约30重量％的稳定剂和至多约40重量％的掺杂剂 - 氧化锆。或者，电解质可以包括具有相位化学性质的氧化锆，其中相位化学在约25℃下为约15重量％至约35重量％的单斜晶系，小于约10重量％的四方晶系，平衡立方体，基于电解质中氧化锆的重量。

7. 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。

8. 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.

9. 发明授权

US07975537B2 Systems and methods for sensing an ammonia concentration in exhaust gases 有权
标题翻译：用于检测废气中氨浓度的系统和方法
公开(公告)号：US07975537B2
公开(公告)日：2011-07-12
申请号：US12109405
申请日：2008-04-25
申请人： Da Yu Wang , Sheng Yao
发明人： Da Yu Wang , Sheng Yao
IPC分类号： G01M15/10
CPC分类号： G01N33/0054 , Y02A50/246
摘要： Systems and methods for determining an NH3 concentration in exhaust gases from an engine are provided. In one exemplary embodiment, a method includes generating a first signal from an NH3 sensor fluidly communicating with the exhaust gases. The method further includes generating a second signal from an air humidity sensor disposed proximate to an air intake manifold of the engine indicating a humidity level. The method further includes determining an air/fuel ratio associated with the engine. The method further includes determining an NH3 deviation value in a calibration table based on the second signal and the air/fuel ratio, utilizing a controller. The method further includes determining an NH3 concentration value based on the first signal and the NH3 deviation value, utilizing the controller. The NH3 concentration value is indicative of the NH3 concentration in the exhaust gases. The method further includes storing the NH3 concentration value in a memory device, utilizing the controller.
摘要翻译：提供了用于确定来自发动机的废气中的NH 3浓度的系统和方法。在一个示例性实施例中，一种方法包括从与废气流体连通的NH 3传感器产生第一信号。该方法还包括从布置在发动机的进气歧管附近的空气湿度传感器产生指示湿度水平的第二信号。该方法还包括确定与发动机相关联的空气/燃料比。该方法还包括利用控制器基于第二信号和空/燃比确定校准表中的NH 3偏差值。该方法还包括利用控制器基于第一信号和NH3偏差值确定NH 3浓度值。 NH3浓度值表示废气中的NH 3浓度。该方法还包括利用控制器将NH 3浓度值存储在存储器件中。

10. 发明申请

US20090301878A1 AMMONIA SENSOR ELEMENT, METHOD OF MAKING THEREOF, AND AMMONIA SENSOR DERIVED THEREFROM 审中-公开
标题翻译： AMMONIA传感器元件，其制造方法和衍生自其的AMMONIA传感器
公开(公告)号：US20090301878A1
公开(公告)日：2009-12-10
申请号：US12133962
申请日：2008-06-05
申请人： Da Yu Wang , Carlos A. Valdes , Walter T. Symons , Robert J. Farhat , Sheng Yao , Mustafa U. Unuvar , David K. Chen , David D. Cabush
发明人： Da Yu Wang , Carlos A. Valdes , Walter T. Symons , Robert J. Farhat , Sheng Yao , Mustafa U. Unuvar , David K. Chen , David D. Cabush
IPC分类号： G01N27/407 , B05D5/12
CPC分类号： G01N33/0054 , Y02A50/246
摘要： Disclosed herein is an ammonia sensor element comprising an ammonia selective sensor electrode, a reference electrode, a solid electrolyte in ionic communication with the ammonia selective sensor electrode and the reference electrode, and a protective layer disposed on the ammonia selective sensor electrode, comprising a porous portion comprising an ammonia-inert material. A method of making an ammonia gas sensor element comprises disposing an ammonia selective sensor electrode on and in ionic communication with a solid electrolyte, disposing a reference electrode on and in ionic communication with the solid electrolyte, and disposing a protective layer comprising a porous portion comprising an ammonia-inert material on the ammonia selective sensor electrode.
摘要翻译：本文公开了一种氨传感器元件，其包括氨选择性传感器电极，参考电极，与氨选择性传感器电极和参考电极离子连通的固体电解质，以及设置在氨选择性传感器电极上的保护层，包括多孔部分包括氨惰性材料。一种制造氨气传感器元件的方法包括将氨选择性传感器电极设置在与固体电解质离子连通的位置上，将参考电极设置在固体电解质上并与其固体电解质离子连通，并且设置包括多孔部分的保护层，包括氨选择性传感器电极上的氨惰性材料。

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