Current collector and gas circuit breaker
US6664494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2002 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Sep 25, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H1/385
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A current collector, in which contact portions are free from dissolved loss even both fixed and moving contacts slidingly contact with each other, and durability as well as a current-carrying perfomance is improved, including a container, which is filled with an insulating arc-extinguishing medium and in which a cylindrical-shaped fixed contact and an torus-shaped contact disposed concentrically with the fixed contact and adapted to come into fitting contact with the fixed contact to carry current are received, and a torus-shaped current collecting member formed from a conductive material and provided on a contact portion of the torus-shaped contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.