Oxygen sensor
US4505807A · kind A · utility
72Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1982 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Aug 3, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49099
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The disclosed oxygen sensor includes three plate-like elements disposed in parallel and a heater, i.e., an oxygen pump element with electrodes and said heater disposed adjacent thereto, an oxygen concentration cell element with electrodes, and an insulating board disposed between the first two elements and having a hole bored therethrough at a position between the opposing electrodes of the first two elements so as to define a cavity therebetween, said insulating board further having at least one passage communicating said cavity to outside of said oxygen sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.