公开(公告)号：US06179989B2

公开(公告)日：2001-01-30

申请号：US09374401

申请日：1999-08-13

申请人： Frederick Lincoln Kennard, III ,  Robert Gregory Fournier ,  William John La Barge ,  Carilee E. Cole ,  Earl Wayne Lankheet ,  Tie Wang

发明人： Frederick Lincoln Kennard, III ,  Robert Gregory Fournier ,  William John La Barge ,  Carilee E. Cole ,  Earl Wayne Lankheet ,  Tie Wang

IPC分类号： G01N27407

CPC分类号： G01N27/4075 ,  G01N27/407

摘要： The present invention relates to an improved oxygen sensor and particularly to oxygen sensors used as exhaust sensors in vehicles. The oxygen sensor, which has an improved lean-rich response time and operability at lower temperatures, has been chemically etched and electrically treated, or chemically etched with a non-hydrofluoric acid solution.

摘要翻译： 本发明涉及一种改进的氧传感器，特别涉及用作车辆中的排气传感器的氧传感器。 在较低温度下具有改善的富稀释响应时间和可操作性的氧传感器已被化学蚀刻和电处理，或用非氢氟酸溶液进行化学蚀刻。

公开(公告)号：US06346178B1

公开(公告)日：2002-02-12

申请号：US09546526

申请日：2000-04-10

申请人： Earl Wayne Lankheet

发明人： Earl Wayne Lankheet

IPC分类号： G01N27407

CPC分类号： G01N27/407

摘要： Herein described is an exhaust gas sensor that is used to detect gas concentration in a “lean only” exhaust stream. The gas sensor comprises a single cell within a dielectric substrate. The cell has an electrolyte with an inner and outer electrode disposed against opposite sides of the electrolyte. A porous protective layer is disposed against the outer electrode. Gases can enter and exit the galvanic cell through the porous protective layer. A voltage is applied across the electrodes, and ions are actively pumped out of the cell. The applied current can be used to determine a specific gas concentration in the exhaust stream.

摘要翻译： 这里描述的是用于检测“仅精”排气流中的气体浓度的废气传感器。 气体传感器包括电介质衬底内的单个电池。 电池具有电解质，其内部和外部电极被设置成抵靠电解质的相对侧。 多孔保护层设置在外电极上。 气体可以通过多孔保护层进入和离开原电池。 在电极之间施加电压，离子被积极地泵出电池。 施加的电流可用于确定排气流中的特定气体浓度。

公开(公告)号：US5733504A

公开(公告)日：1998-03-31

申请号：US557669

申请日：1995-11-13

申请人： Nancy Jean Paulus ,  William John Paulus ,  Venkatesh Rajagopalan ,  Earl Wayne Lankheet

发明人： Nancy Jean Paulus ,  William John Paulus ,  Venkatesh Rajagopalan ,  Earl Wayne Lankheet

IPC分类号： G01N27/409 ,  G01N27/12 ,  G01N27/407 ,  G01N7/00 ,  F01N3/00 ,  G01N27/26 ,  G05D7/00

CPC分类号： G01N27/4075

摘要： The invention includes the use of a pre-equilibration zone on an exhaust gas sensor to provide catalytic site to catalyze non-reacted components of the exhaust gas prior to the gas sample reaching the sensor's outer electrode. The pre-equilibration zone has microcomposite which preferably includes a precious metal in a porous carrier such as a ceramic oxide. The invention also includes a method of making an exhaust sensor including a pre-equilibration zone, and a method of sampling an exhaust gas by passing the same through a pre-equilibration zone.

摘要翻译： 本发明包括在气体样品到达传感器的外部电极之前在废气传感器上使用预平衡区域以提供催化位点以催化废气的未反应组分。 预平衡区具有微复合物，其优选包括多孔载体中的贵金属，例如陶瓷氧化物。 本发明还包括制造包括预平衡区的排气传感器的方法，以及通过使废气通过预平衡区域来对排气进行取样的方法。