Switchgear device comprising an arc chute of reduced size
US7459652B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2006 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jan 18, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electric switchgear device comprising at least one electric pole-unit comprising a stationary contact part made of conducting material, a movable contact part and an arc chute. The arc chute comprises two side parallel flanges, a rear wall, and a bottom arcing horn made of conducting material, electrically connected to the stationary contact part. Said bottom arcing horn is surrounded by a periphery made of gas-generating material. The arc chute comprises a stack of separators at least two of which separators comprise a notch. The arc chute comprises at least one regenerating separator placed parallel to the bottom arcing horn, said at least one separator comprising at least one metallic surface covering at least half of the notches in the longitudinal mid-plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.