Patent · US Expired

Oxygen concentration detector

US5800689A · kind A · utility

12Cited by
8References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1996
Grant dateSep 1, 1998
Priority date
Expiry dateMar 1, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/4077
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An oxygen concentration detector has a detecting element comprising a solid electrolyte inserted into a housing and heating means for heating the detecting element, and the outer surface of the detecting element is provided with a surface layer, the contact angle of the surface layer being larger than the contact angle of the outer surface of the detecting element with which the surface layer directly contacts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.