Patent · US Expired

Oxygen sensor

US4505806A · kind A · utility

38Cited by
5References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 3, 1982
Grant dateMar 19, 1985
Priority date
Expiry dateAug 3, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49158
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The disclosed oxygen sensor comprises a plate-like oxygen pump element with electrodes, a plate-like oxygen concentration cell element having electrodes disposed in parallel alignment with those of said pump element, and an intermediate board disposed between said two elements and having a hole defining a cavity between electrodes of said two elements, said intermediate board further having passages bored therethrough so as to communicate said cavity to outside of said oxygen sensor.

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