Liquid arc extinguish chamber for direct current breaking, direct current breaker and method thereof
US11443909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2019 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Dec 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/42
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses a liquid arc extinguish chamber for direct current breaking. The liquid arc extinguish chamber for direct current breaking includes a cavity, a fixed contact and a moving contact. A liquid medium is sealed in the cavity. The fixed contact is hermetically fixed in the cavity. One end of the fixed contact is fixed in the cavity, and the other end of the fixed contact is connected with an outlet terminal A1. The moving contact is movably sealed in the cavity. One end of the moving contact may adjacently abut against or be in contact with the fixed contact, and the other end of the moving contact is connected with an outlet terminal A2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.