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Directly induced swing for closed loop control of electroslag remelting furnace

United States Patent

April 7, 1998
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
An apparatus and method for controlling an electroslag remelting furnace, imposing a periodic fluctuation on electrode drive speed and thereby generating a predictable voltage swing signal. The fluctuation is preferably done by imposition of a sine, square, or sawtooth wave on the drive dc offset signal.
Damkroger; Brian (Corrales, NM)
Sandia Corporation (Albuquerque, NM)
08/ 510,960
September 21, 1995
GOVERNMENT RIGHTS The Government has rights to this invention pursuant to Contract No. DE-AC04-76DP00789 awarded by the U.S. Department of Energy.