Proximity sensor for level sensing
US7017409B2 · kind B2 · utility
77Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2004 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Apr 21, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/268
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A field effect sensor is adapted for use in sensing level of fluids and powders. The sensor uses elongated, parallel electrodes disposed on or within the side wall of a tank. The longitudinal axes of the electrodes are parallel to the surface of fluid or powder contained in the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.