Plasma torch provided with an electromagnetic coil for rotating arc feet
US5132511A · kind A · utility
4Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Nov 7, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/3431
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plasma torch includes two axially spaced tubular electrodes and an electromagnetic coil for rotating an electric arc formed between the electrodes. Each electrode is held in a support, at least one support containing a cylindrical cooling chamber through which an electrically nonconductive cooling fluid can be passed. The electromagnetic coil divides the cooling chamber into two annular spaces which are interconnected at one end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.