Switchgear system having chain driven circuit breaker and associated methods
US12027830B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2023 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Jun 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H1/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switchgear system may include a switchgear frame, a truck and circuit breaker mounted thereon. A drive mechanism is mounted on the switchgear frame and configured to rack the circuit breaker into a) a first connected position where the primary and secondary circuits are electrically connected, b) a second test position where the primary circuit is electrically disconnected and secondary circuit connected, and c) a third disconnected position where the primary and secondary circuits are electrically disconnected, wherein said drive mechanism comprises a drive chain and shuttle configured to engage the truck and rack and fix the circuit breaker into the first connected position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.