Title:
GAS SENSOR ELEMENT
Document Type and Number:
Japanese Patent JP2015135262
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a gas sensor element configured to improve detection accuracy of a sensor cell detecting specific gas component concentration, by reflecting the change in operation temperature of the gas sensor element.SOLUTION: A gas sensor element 1 includes: a solid electrolyte 2 having oxygen ion conductivity; a heater 6 laminated on the solid electrolyte 2 via a reference gas space 102; a pump cell 41 for adjusting oxygen concentration in a measured gas space 101; a sensor cell 43 for detecting specific gas component concentration in the measured gas space 101; and an electron conduction detection cell 44 which detects a current by electron conduction of the heater 6. An electron conduction electrode 24 arranged on a surface of the solid electrolyte 2 on the side of a measured gas G, in the electron conduction detection cell 44, is covered with an insulator 51.
Inventors:
NAKATO MITSUNOBU
MIZUTANI KEIGO
ARAKI TAKASHI
MIZUTANI KEIGO
ARAKI TAKASHI
Application Number:
JP2014006373A
Publication Date:
July 27, 2015
Filing Date:
January 17, 2014
Export Citation:
Assignee:
NIPPON SOKEN
DENSO CORP
DENSO CORP
International Classes:
G01N27/416; G01N27/419
Domestic Patent References:
| JPH10318979A | 1998-12-04 | |||
| JP2001165900A | 2001-06-22 | |||
| JPH11118758A | 1999-04-30 | |||
| JP2003166973A | 2003-06-13 | |||
| JP2009265085A | 2009-11-12 |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office