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. 05, 2013
Filed:
Apr. 02, 2008
Applicants:
Jörg Dorn, Buttenheim, DE;
Werner Hartmann, Weisendorf, DE;
Inventors:
Jörg Dorn, Buttenheim, DE;
Werner Hartmann, Weisendorf, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/22 (2006.01); H02H 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device () has a series circuit of submodules with a power semiconductor circuit and an energy accumulator connected in parallel with the power semiconductor circuit. Each submodule is associated with a short circuit device for shorting the submodule. The short circuit device is a vacuum switching tube. The device is cost-effective and at the same time enables safe bridging of a defective submodule.