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:
May. 03, 2022
Filed:
Apr. 24, 2019
Applicants:
Danieli Automation S.p.a., Buttrio, IT;
Danieli & C. Officine Meccaniche S.p.a., Buttrio, IT;
Inventors:
Enzo Gigante, Porpetto, IT;
Federico Pasut, San Vito al Tagliamento, IT;
Andrea Polo, San Giovanni al Natisone, IT;
Assignees:
DANIELI AUTOMATION S.P.A., Buttrio, IT;
DANIELI & C. OFFICINE MECCANICHE S.P.A., Buttrio, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 7/148 (2006.01); H05B 7/144 (2006.01); F27B 3/08 (2006.01); F27B 3/28 (2006.01); F27D 11/10 (2006.01);
U.S. Cl.
CPC ...
F27B 3/085 (2013.01); F27B 3/28 (2013.01); F27D 11/10 (2013.01); H05B 7/144 (2013.01);
Abstract
An electric power method for an electric arc furnace includes regulating the electric power frequency of a power voltage and a power current of the electrodes, independently from the mains frequency.