Patent · US Expired

Arc heater melting system

US4214736A · kind A · utility

11Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1979
Grant dateJul 29, 1980
Priority date
Expiry dateApr 23, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Apparatus for melting metal chips comprising a preheating chamber, a prereducing chamber, and a melting chamber, the latter comprising a metallurgical vessel having a refractory wall with arc heater means mounted on the wall and extending therethrough which arc heater means provides an electric plasma arc which extends through an opening in the refractory wall, and the arc heater means comprising a downstream cylindrical electrode extending through the refractory wall for improved heating efficiency.

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