The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 1994
Filed:
Feb. 27, 1992
Applicant:
Inventors:
Michael C Maguire, Tijeras, NM (US);
Frank J Zanner, Sandia Park, NM (US);
Brian K Damkroger, Albuquerque, NM (US);
Mark E Miszkiel, Tijeras, NM (US);
Eugene A Aronson, Albuquerque, NM (US);
Assignee:
Sandia Corporation, Albuquerque, NM (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
373105 ; 373104 ; 373108 ;
Abstract
Method and apparatus for controlling electrode immersion depth in an electroslag remelting furnace. The phase difference of the alternating current circuit established in the furnace is calculated in real time and employed to more accurately control immersion depth than possible with voltage-swing systems.