Plasma-arc furnace
US4414672A · kind A · utility
3Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1981 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | Sep 15, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plasma-arc furnace comprises a casing with plasma torches, particularly ree torches, mounted therewithin in symmetrical relationship relative to the vertical axis thereof. Each of these torches comprises a body provided with a nozzle and an axial conduit for feeding a plasma-forming gas therethrough, and a cylindrical electrode disposed within said conduit. According to the invention, the distance between the centers of working ends of electrodes disposed within adjacent plasma torches is not more than 15 diameters of the electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.