Gas filled surge arrester
US4104693A · kind A · utility
20Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1977 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Mar 18, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T1/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas-filled surge arrester includes a pair of electrodes extending inwardly of an insulating spacer. The electrodes have end faces which are aligned oppositely within the insulator to define an arc or discharge gap therebetween. Each of the electrodes includes at least one cavity formed in the end face thereof adjacent and extending away from the discharge gap. The cavities are lined with a substance of relatively high electron emission ability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.