Title:
SENSOR ELEMENT AND GAS SENSOR
Document Type and Number:
WIPO Patent Application WO/2022/210346
Kind Code:
A1
Abstract:
This sensor element 101 is for detecting the concentration of a specific gas within a gas being measured, the sensor element 101 comprising: an element body (layers 1-6), which includes an oxygen-ion-conductive solid electrolyte layer and in the interior of which is provided a gas-being-measured distribution unit that introduces and distributes the gas being measured; a measurement pump cell 41 having a pump measurement electrode 44b installed in a third internal space 61 within the gas-being-measured distribution unit, the measurement pump cell 41 being for pumping out oxygen from the third internal space 61; and a V2 detection sensor cell 82 having a voltage measurement electrode 44s installed in the third internal space 61, the V2 detection sensor cell 82 generating a voltage V2 based on the concentration of oxygen in the third internal space 61.
Inventors:
SEKIYA TAKAYUKI (JP)
WATANABE YUSUKE (JP)
ICHIKAWA KODAI (JP)
WATANABE YUSUKE (JP)
ICHIKAWA KODAI (JP)
Application Number:
PCT/JP2022/014338
Publication Date:
October 06, 2022
Filing Date:
March 25, 2022
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
G01N27/416; G01N27/419
Domestic Patent References:
| WO2016084584A1 | 2016-06-02 | |||
| WO2000037930A1 | 2000-06-29 |
Foreign References:
| JP2016166871A | 2016-09-15 | |||
| JP2018173318A | 2018-11-08 |
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
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