Patent · US Expired

Oxygen concentration detector

US5707504A · kind A · utility

25Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 18, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateJan 18, 2016

Classification

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

Abstract

An oxygen concentration detector comprises a housing 10, a detecting element 12 with a built-in heater, a holder 2 made of an insulating ceramic and interposed between the housing and the detecting element 12, and a protecting cover 16 fixed to the housing 10 in such a manner as to cover the outside of the detecting element 12. The protecting cover 16 has gas inlets 160, and a protecting cylinder 21 formed by extending the holder 2 is interposed between the detecting element 12 and the protecting cover 16.

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