Cut-off chamber of a lightning protector
US4058848A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1976 |
| Grant date | Nov 15, 1977 |
| Priority date | — |
| Expiry date | Feb 11, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T1/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Cut-off chamber of a lightning protector, characterized in that on the one hand, it comprises a wall made of a porous ceramic substance, ensuring the discharge and the cooling of the gases at the periphery of the chamber, at the time of the ignition of an arc between two elctrodes combined in that chamber and that on the other hand, a means for reinforcing the dielectric strength of the wall is arranged perpendicular to the zones subjected to the highest potential gradients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.