Electric circuit breaker
US11996252B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 24, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Mar 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2039/008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric circuit breaker comprising a switch, an arc extinguishing chamber and a fuse configured to be electrically connected between first and second terminals after the switch has tripped, further comprises a connection device comprising a gate configured to be broken after the switch has tripped only when at least one of the temperature, the pressure inside the arc extinguishing chamber or the intensity of an electrical arc present in the arc extinguishing chamber passes a predefined threshold, the connection device being configured to connect an electrode of the fuse to one of the terminals of the electrical conductor only once the gate is broken.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.