Gas-filled surge arrester, activating compound, ignition stripes and method therefore
US7643265B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2006 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Jan 25, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T4/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas-filled surge arrester includes at least two electrodes, a gas filling and an activating compound applied to at least one of said electrodes. The activating compound can include: (i) nickel powder in an amount of about 10% to about 35% by weight; (ii) potassium or sodium silicate in an amount of about 20% to about 40% by weight; (iii) titanium powder in an amount of about 5% to about 25% by weight; (iv) calcium titanium oxide in an amount of about 5% to about 15% by weight; and (v) sodium bromide in an amount of about 10% to about 20% by weight. Ignition striping process and resulting stripes from ink-jetting of striping material are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.