Self-activating chemical sensor system
US5346604A · kind A · utility
18Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1992 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Oct 21, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/404
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gaseous oxygen electrochemical sensing system sustains inter-electrode ionic conductivity by the use of a combination of an hydrophilic coating layer on a gas-permeable barrier or separation membrane to supply sufficient moisture to the electrolyte of an electrode system to activate the sensor and sustain proper operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.