High enthalpy plasma torch
US5147998A · kind A · utility
49Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | May 29, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/3484
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plasma torch comprises a torch housing, rear and front tubular electrodes coaxially mounted within such housing with a gap therebetween, both electrodes being fabricated from copper having tubular inserts of refractory material, a vortex generator for introducing a tangential flow of gas in opposite direction into the tubular electrodes through the gap between the two electrodes, and a cooling system for cooling the tubular electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.