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:
Mar. 09, 1976
Filed:
Sep. 12, 1974
Applicant:
Inventors:
Gerd Thiele, Erlangen-Frauenaurach, DT;
Erwin Keyl, Erlangen, DT;
Assignee:
Siemens Akteiengesellschaft, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
321 / ; 336175 ;
Abstract
The invention concerns a thyristor column with disc thyristors which are stacked on top of each other and are mounted resiliently. A heat sink, which serves simultaneously as a conductor of electric current, is interposed on each side of each disc thyristor. Between the heat sinks of succeeding disc thyristors, a spacer element is inserted, on which ferrite cores are lined up. In this embodiment, the transient current is limited by the choke formed by the spacer element and the ferrite cores. The resistors of the external R-C components can therefore be designed for less power.