发明授权
US07236083B2 Resistance type oxygen sensor and oxygen sensor device using it and air/fuel ratio control system
有权
电阻式氧气传感器和氧传感器装置使用它和空/燃比控制系统
- 专利标题： Resistance type oxygen sensor and oxygen sensor device using it and air/fuel ratio control system
- 专利标题（中）： 电阻式氧气传感器和氧传感器装置使用它和空/燃比控制系统
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申请号： US10517771申请日： 2003-06-25
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公开(公告)号： US07236083B2公开(公告)日： 2007-06-26
- 发明人: Noriya Izu , Woosuck Shin , Norimitsu Murayama
- 申请人： Noriya Izu , Woosuck Shin , Norimitsu Murayama
- 申请人地址： JP Tokyo
- 专利权人： National Institute of Advanced Industrial Science and Technology
- 当前专利权人： National Institute of Advanced Industrial Science and Technology
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2002-188650 20020627; JP2002-199022 20020708; JP2002-335912 20021120
- 国际申请： PCT/JP03/08052 WO 20030625
- 国际公布： WO2004/003536 WO 20040108
- 主分类号： H01C7/00
- IPC分类号： H01C7/00
摘要：
The present invention provides a resistance-type oxygen sensor, and an oxygen sensor device and an air/fuel ratio control system using same. The present invention relates to a resistance-type oxygen sensor with suppressed temperature dependence, wherein: (1) a gas detection unit composed of an oxide semiconductor with a resistance value varying according to temperature and the oxygen partial pressure of atmospheric gas and a temperature compensation unit composed of a conductor with suppressed dependence of a resistance value on oxygen partial pressure are connected in series; (2) the temperature compensation unit is composed of an oxygen ion conductor; and (3) an electrode for electric contact with the temperature compensation unit is exposed to the atmospheric gas and is a porous body; an oxygen sensor device and an air/fuel ratio control system.
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