发明名称 |
Gas sensor and method of producing the same |
摘要 |
<p>A gas sensor, comprising an oxygen pump cell with a first pump electrode (40) and a second pump electrode (42) disposed on opposite sides of a first solid electrolyte layer (30) and a second pump electrode (42). The sensor also comprises an emf cell with an emf electrode (44) and a reference gas electrode (46) disposed on opposite sides of a second solid electrolyte layer (32). The emf electrode (44) is disposed in fluid communication to the second pump electrode (42). A via hole (50) is disposed through the first solid electrolyte layer (30), such that the first pump electrode (40) is in fluid communication with the second pump electrode (42). A protective insulating layer (20), having a passage for gas to be sensed, is disposed in contact with the first pump electrode (40). A first insulating layer (22), having a conduit (54), is disposed in contact with the emf electrode (44). A second insulating layer (24), having an air channel (56), is disposed in contact with the reference gas electrode (46). A heater (60) 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. <IMAGE></p> |
申请公布号 |
EP1215492(A2) |
申请公布日期 |
2002.06.19 |
申请号 |
EP20010204821 |
申请日期 |
2001.12.10 |
申请人 |
DELPHI TECHNOLOGIES, INC. |
发明人 |
WANG, DA YU;KIKUCHI, PAUL CASEY;SYMONS, WALTER THOMAS;POLIKARPUS, KAIUS KIIREN;OBERDIER, LARRY M. |
分类号 |
G01N27/419;(IPC1-7):G01N27/407 |
主分类号 |
G01N27/419 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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