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1. 发明授权

US06435005B1 Heater patterns for planar gas sensors 失效
标题翻译：平面气体传感器的加热器图案
公开(公告)号：US06435005B1
公开(公告)日：2002-08-20
申请号：US09741597
申请日：2000-12-19
申请人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
发明人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
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。

2. 发明授权

US06365880B1 Heater patterns for planar gas sensors 失效
标题翻译：平面气体传感器的加热器图案
公开(公告)号：US06365880B1
公开(公告)日：2002-04-02
申请号：US09740776
申请日：2000-12-19
申请人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
发明人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
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。

3. 发明授权

US06486449B2 Heater patterns for planar gas sensors 失效
公开(公告)号：US06486449B2
公开(公告)日：2002-11-26
申请号：US10020545
申请日：2001-10-29
申请人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
发明人： Paul C. Kikuchi , Lone-Wen F. Tai , Walter T. Symons
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.

4. 发明授权

US06616820B2 Exhaust species sensing method and device 失效
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.

5. 发明授权

US06746584B1 Oxygen sensing device 失效
标题翻译：氧气感测装置
公开(公告)号：US06746584B1
公开(公告)日：2004-06-08
申请号：US09461851
申请日：1999-12-15
申请人： Da Yu Wang , Paul Casey Kikuchi , Lone-Wen F. Tai , David Sturge Eddy , Raymond Leo Bloink , Eric J. Detwiler , Larry Max Oberdier
发明人： Da Yu Wang , Paul Casey Kikuchi , Lone-Wen F. Tai , David Sturge Eddy , Raymond Leo Bloink , Eric J. Detwiler , Larry Max Oberdier
IPC分类号： G01N2741
CPC分类号： G01N27/419
摘要： A wide range oxygen sensor comprising a first oxygen pump cell, the first pump cell comprising: a first and a second electrode, with a first communication zone therebetween, the first electrode being exposed to exhaust gas, the second electrode being exposed to a heat source; and wherein at least one element of said first pump cell incorporates a gas-diffusion limiting characteristic; a second oxygen pump cell, operating at opposite polarity from said first oxygen pump cell, electrically isolated from said first oxygen pump cell, and disposed within a sensor substrate, the second cell comprising: a third and a fourth electrode, with a second communication zone therebetween, the third electrode being exposed to exhaust gas, the fourth electrode being exposed to a heat source; and wherein at least one element of said second pump cell incorporates a gas-diffusion limiting characteristic; at least one heating element for providing heat to said second electrode and said fourth electrode; and an electrical circuit for measuring the air-to-fuel ratio within the exhaust gas incident to said first and third electrodes.
摘要翻译：一种包括第一氧气泵单元的宽范围氧传感器，所述第一泵电池包括：第一和第二电极，其间具有第一连通区域，所述第一电极暴露于废气，所述第二电极暴露于热源 ; 并且其中所述第一泵浦单元的至少一个元件包含气体扩散限制特性; 第二氧泵单元，与所述第一氧泵单元相反极性地操作，与所述第一氧气泵单元电隔离，并且设置在传感器基板内，所述第二单元包括：第三和第四电极，具有第二连通区其间，第三电极暴露于废气，第四电极暴露于热源; 并且其中所述第二泵浦单元的至少一个元件包含气体扩散限制特性; 至少一个用于向所述第二电极和所述第四电极提供热量的加热元件; 以及用于测量入射到所述第一和第三电极的废气中的空气燃料比的电路。

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