Leanness sensor
US4452687A · kind A · utility
5Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1982 |
| Grant date | Jun 5, 1984 |
| Priority date | — |
| Expiry date | Jun 9, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4077
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A leanness sensor has a sensor element made of an oxygen-permeable solid electrolyte and having a cylindrical form or a form like a vessel closed at one end thereof. The sensor element is provided with metallic electrodes formed on the inner and outer surfaces thereof. An inner metallic member and an outer metallic member are mounted on the sensor element and electrically connected to the metallic electrodes. The sensor element is fixed to the inner side of the end portion of a cylindrical insulating tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.