Patent · US Expired

Liquid-cooled electrode for electric arc furnaces

US4189617A · kind A · utility

5Cited by

3References

20Claims

0Family size

Assignee

Korf-Stahl AG · DE

Inventors

William E. Schwabe · Middleburg Heights, US
Emil Elsner · Baden-Baden, DE
Rudolf Kasper · Baden-Baden, DE

Key dates

Filing date	Jul 5, 1978
Grant date	Feb 19, 1980
Priority date	—
Expiry date	Jul 5, 1998

Classification

Technology area (CPC H)Electricity
CPC primaryH05B7/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A liquid-cooled electrode for electric arc furnaces having a cover secured to an electrode supporting arm and containing cooled metal elements and having a core which can be axially displaced in the cover, into which core the electrode current can be conducted by way of a current conection. The current connection is disposed above the cover, while the cover is electrically insulated from the core and the insulation includes an insulating layer between the cover and the core. In addition, a device for producing a magnetic field is provided in the lower portion of the cover.

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