Surge protection apparatus having embedded fuse
US11545827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2016 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Jun 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H9/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A surge protection apparatus may include an input terminal; an output terminal, the output terminal electrically coupled to the input terminal; a ground terminal, the ground terminal electrically coupled to the input terminal and output terminal; a positive temperature coefficient (PTC) fuse, the PTC fuse connected in electrical series between the input terminal and output terminal; a crowbar device, the crowbar device electrically connected to the ground terminal and output terminal, wherein the crowbar device is in electrical series with the PTC fuse between the input terminal and ground terminal; and a central frame portion, the central frame portion electrically coupled to the input terminal, output terminal and ground terminal, wherein the crowbar device is disposed on a first side of the central frame portion and the PTC fuse is disposed on a second side of the central frame portion, opposite the first side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.