Title:
A/F SENSOR AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/034037
Kind Code:
A1
Abstract:
An A/F sensor 1 is provided with a solid electrolyte body 2 and a heater 6. The A/F sensor 1 is provided downstream, in exhaust gas g, of a purifying device 10 which purifies the exhaust gas g. The solid electrolyte body 2 is formed in the shape of a cup. A measuring electrode 4 which comes into contact with the exhaust gas g is formed on the outer surface 21 of the solid electrolyte body 2, and a reference electrode which comes into contact with a reference gas is formed on the inner surface 22 of the solid electrolyte body 2. The solid electrolyte body 2 is formed from zirconia. The solid electrolyte body 2 is provided with a detecting portion 20 which is sandwiched between the measuring electrode 4 and the reference electrode 5, and through which oxygen ions are conducted. The detecting portion 20 has a cubic phase proportion of at least 88 mol%.
Inventors:
UJIYAMA TATSUKI (JP)
SUZUKI YASUFUMI (JP)
SUZUKI YASUFUMI (JP)
Application Number:
PCT/JP2016/075136
Publication Date:
March 02, 2017
Filing Date:
August 29, 2016
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01N27/41; G01N27/409
Foreign References:
| JPH10177005A | 1998-06-30 | |||
| JP2003004696A | 2003-01-08 | |||
| JPH11316211A | 1999-11-16 | |||
| JPH11240755A | 1999-09-07 | |||
| JP2001072465A | 2001-03-21 | |||
| JPS60179862U | 1985-11-29 | |||
| JP2009053108A | 2009-03-12 | |||
| JP2003247972A | 2003-09-05 |
Attorney, Agent or Firm:
TOHDA, Kiyoshi (JP)
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