Patent · US Expired

DC plasma arc generator with erosion control and method of operation

US5296670A · kind A · utility

4Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 1992
Grant dateMar 22, 1994
Priority date
Expiry dateDec 31, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05H1/3478
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A DC plasma arc generator and method of operation including a generally cylindrical anode divided into an arc constricting portion and an exit portion lined with refractory liners and having critical dimensions and spacing to allow introduction of vortical gas flows and stabilization of the primary arc thereby, reducing degradation and erosion of the generator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.