Patent · US Expired

Oxygen concentration detector

US6951601B1 · kind B1 · utility

1Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1997
Grant dateOct 4, 2005
Priority date
Expiry dateApr 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.