Vacuum interrupter with cup-shaped contact having an inner arc controlling electrode
US3980850A · kind A · utility
13Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1974 |
| Grant date | Sep 14, 1976 |
| Priority date | — |
| Expiry date | Dec 19, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/6642
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vacuum interrupter is described having improved electrodes. The electrodes are of the cup-shaped type with an insert electrode disposed within the cup-shaped contact closely spaced from the base portion of the cup. The insert electrode has spiral or radial and circumferential extending slots therein. The spirals or slots of the insert electrodes may extend in the same or opposed directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.