Sensor device on a feed pipeline carrying high voltage
US7077021B2 · kind B2 · utility
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4References
8Claims
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Assignee
Inventor
Key dates
| Filing date | Feb 25, 2004 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Oct 16, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B12/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In order to be able to operate a sensor device on a feed pipeline carrying high voltage without using batteries or storage batteries, the sensors are connected for supply purposes via an electrical isolating stage to a mains voltage source and for signal purposes to an evaluation circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.