Title:
GAS SENSOR ELEMENT
Document Type and Number:
WIPO Patent Application WO/2020/039942
Kind Code:
A1
Abstract:
A gas sensor element (1) has an electrolyte layer (2), a first insulator (3), a second insulator (4), a measurement gas chamber (5), and a reference gas chamber (6). The electrolyte layer (2) is provided with a holding plate (22) and a solid electrolyte body (21). The first insulator (3) is stacked on one surface of the electrolyte layer (2), and the second insulator (4) is stacked on the other surface of the electrolyte layer (2). At least a part of a boundary portion (23) between a disposition hole (220) and the solid electrolyte body (21) is held by a first holding portion (33) of the first insulator (3) and a second holding portion (45) of the second insulator (4). The first holding portion (33) is formed at a position overlapping with the boundary part (23) in a Z direction, and is formed, at least in the Z direction, in a whole area where the measurement gas chamber (5) is disposed. The second holding portion (45) is formed at a position overlapping with the boundary part (23) in the Z direction, and is formed, at least in the thickness direction, in a whole area where the reference gas chamber (6) is disposed.
Inventors:
IKEDA MASATOSHI (JP)
HAGINO SHOTA (JP)
ITO MAKOTO (JP)
KAWAI DAISUKE (JP)
HAGINO SHOTA (JP)
ITO MAKOTO (JP)
KAWAI DAISUKE (JP)
Application Number:
PCT/JP2019/031225
Publication Date:
February 27, 2020
Filing Date:
August 07, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01N27/409; G01N27/41; G01N27/416
Foreign References:
| JP2017223488A | 2017-12-21 | |||
| JP2010145214A | 2010-07-01 | |||
| JP2016065816A | 2016-04-28 | |||
| JP2003294698A | 2003-10-15 | |||
| US8673128B2 | 2014-03-18 | |||
| JPH0291557A | 1990-03-30 | |||
| JP2019095359A | 2019-06-20 | |||
| JP2019002739A | 2019-01-10 |
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
Download PDF: