Coil-type axial magnetic field contact assembly for vacuum interrupter
US10796867B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Sep 17, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/024
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode assembly for a vacuum interrupter includes a contact plate, an electrode coil, an inner support, a lower support, and at least one support member. The electrode coil includes a base for attachment to a terminal post of the vacuum interrupter. The electrode coil also includes at least one arcuate arm between the base and the contact plate extending along a curved path in a plane substantially perpendicular to a direction of travel of the electrode assembly. Each arcuate arm includes an aperture that is positioned to align with a corresponding aperture of an adjacent arcuate arm or the base of the electrode coil. Each support member is partially positioned within aligned apertures to maintain a gap between the arcuate arms and the base. The support members and the lower support may be slotted to decrease the current flowing through the supports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.