Switch structure and explosion-proof device
US9754739B2 · kind B2 · utility
6Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Apr 26, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2235/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch that includes a hermetically sealed container including a container wall separating an inside of the hermetically sealed container from an outside of the hermetically sealed container, a magnetic sensor arranged in the hermetically sealed container and configured to be turned ON/OFF by a magnetic field of a magnet acting from the outside of the hermetically sealed container through the container wall of the hermetically sealed container, and a first magnetic body provided at the container wall of the hermetically sealed container and serving as a path of the magnetic field acting on the magnetic sensor from the magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.