Cleaning of sensor surfaces
US5474664A · kind A · utility
7Cited by
7References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1993 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Jan 26, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a sensor such as a pH sensor, a bundle of relatively long, thin and soft cleaning filaments is anchored next to the pH electrode. A bluff body, which may be the reference electrode is positioned upstream of the bundle so as to create liquid vortices which move the free ends of the fibres in an effective cleaning action over the sensing surface of the pH electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.