Oxygen concentration detector
US6951601B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | Oct 4, 2005 |
| Priority date | — |
| Expiry date | Apr 24, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4067
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The oxygen concentration detector of the present invention includes a sensor element having a solid electrolyte and having an external electrode and an internal electrode provided on the external surface and the internal surface, respectively, and a heater provided adjacent to the internal surface of the sensor element, in which a high-emissivity layer consisting of a material having a high emissivity is provided on the internal surface of the sensor element and/or the surface of the heater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.