Lighting suppression system for control or instrumentation cable
US6690562B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 18, 2001 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Jan 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S174/17
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lightning suppression system including an instrument, a first cable electrically connected to the instrument, an enclosure having an interior volume, a first coil positioned within the enclosure and electrically interconnected to a first wire of the first cable, a second coil positioned within the enclosure and electrically interconnected to a second wire of the first cable, and an electronic device electrically interconnected by a second cable to the first and second coils. A conductive grit fills a portion of the enclosure around the first and second coils. A grounding rod is electrically connected by a conductive line to the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.