Excitation protection device acting step by step with single excitation source
US12261003B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2022 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Sep 30, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2085/381
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an excitation protection device acting step by step with a single excitation source, including a shell body, an excitation source, impact devices and a conductor, wherein at least two impact devices respectively located in different cavities are provided in the shell body, one side of the impact device is provided with one excitation source, and the impact device and the excitation source are respectively in sealed contact with the cavities where the impact device and the excitation source are located; and the excitation source drives the impact devices to displace simultaneously or successively, and at least one of the impact devices breaks the conductor during the displacement process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.