Patent · US Expired

Arc-heated plasma lance

US4668853A · kind A · utility

13Cited by
10References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1985
Grant dateMay 26, 1987
Priority date
Expiry dateOct 31, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05H1/3431
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An arc-heated plasma lance characterized by an elongated tubular housing containing arc heater ports for producing a plasmic jet at one end of the housing and service ports for providing electric power, gas, and coolant fluid to the arc heater ports, and the service means extending into the housing from the other end.

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