Varistor comprising an electrode having a protruding portion forming a pole and protection device comprising such a varistor
US8378778B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2011 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Aug 24, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/126
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An exemplary varistor is disclosed which includes at least two poles; a non-linear block; a conductive plate arranged on a main face of the block and having a protruding portion forming one of the poles; and an electrically insulating coating applied to the main face of the block. The part forming the connection pole emerges from the electrically insulating coating and has a braze surface extending above the electrically insulating coating; and the protruding part forming the connection pole is connected to the rest of the plate over at least half of the perimeter thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.