Current limiting device and circuit interrupter having a current limiting function
US6373014B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Aug 17, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2077/025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A current limiting device includes first and second contact members, each contact member having, at a first end, contacts defining a contact pair; a contacting pressure is applied to said contact pair; and a cylindrical insulator cylindrically surrounding the contacts when the contacts are closed. The device is arranged such that at least one of the first and second contact members is rotatably supported at a second end. Also, an electrical path is defined through which currents flow in substantial opposition to the first and second contact members and in opposite directions to each other. The first ends of the first and second contact members are positioned within the space defined by the cylindrical insulator in the closed contact state. The contact of at least one of the rotatably supported contact members is positioned outside of the space defined by the cylindrical insulator when the contacts are open.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.