Switching device suitable for direct current operation
US9129761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2013 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/182
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching device includes at least a first current path and a second current path, each of which have a first connection and a second connection, whereby the first connections are arranged on the first side of the switching device and the second connections on the second side of the switching device, each current path has at least one contact pair, that has a first contact and a second contact, whereby at least the second contact is arranged on a contact member that is movable to the first contact and whereby in the switched-on status of the switching device, both the contacts are in contact with each other, each contact pair has at least one extinguishing device, whereby the extinguishing devices of both the current paths are arranged in a direction from the first connections to the second connections, behind one another and at least partly covering each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.