Electrical switchgear unit comprising a complementary electrical function
US8330068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2008 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Mar 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/346
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an electrical switchgear unit designed to be fixed onto a fixing support and comprising at least one electrical switching module and at least one module housing a complementary electrical function, at least one of the complementary modules being situated next to at least one of the above-mentioned switching modules, the or each switching module comprising an arc extinguishing chamber. This unit is characterized in that the arc extinguishing chamber of the module situated facing the complementary module presents a cambered face towards the inside of said arc extinguishing chamber so as to create a space E,F inside said chamber enabling a part of the volume of the complementary module to be housed, and in that the ends of said arc extinguishing chamber encroach on the volume of the complementary module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.