Patent · US Expired

Gas detector

US4287751A · kind A · utility

10Cited by
2References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1978
Grant dateSep 8, 1981
Priority date
Expiry dateNov 8, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A gas detector used with an automobile exhaust gas purifier system is disclosed, in which that part of the gas detector element of a sintered metal oxide which is located between electrodes for picking up a detected output has the thickness of 0.1 mm to 0.6 mm.

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