Sulfur hexafluoride high-tension circuit-breaker having high performance at any temperature
US4829149A · kind A · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Dec 31, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/562
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a sulfur hexafluoride high-tension circuit-breaker, a condenser/evaporator (8), disposed beneath and in communication with the inside of a support column, is partially filled with an insulating material (11), having at least one well (10) formed therein, with a heater element (9) being disposed inside the well, the surface of the insulating material (11) being connected to the bottom of the well via ducts (13, 14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.