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:
Oct. 29, 1985
Filed:
Jun. 27, 1983
Applicant:
Inventors:
Kurt Kugler, Hainsacker, DE;
Hans-Henning Lessmann-Mieske, Tegernheim, DE;
Franz Wein, Beratzhausen, DE;
Assignee:
Maschinenfabrik Reinhausen Gebruder Scheubeck GmbH & Co. KG, Regensburg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
323343 ; 307137 ;
Abstract
A load-switching circuit for a tapped transformer utilizes identical netws of antiparallel thyristors bridged by commutating networks having a condenser in series with a damping impedance. According to the invention, the blocking of one pair of thyristors causes the energization of a relay to operate a switch contact shunting the damping impedance of the blocking pair so that its condenser functions as a voltage spike surge suppressor.