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:
Sep. 30, 2014
Filed:
Mar. 16, 2011
Applicants:
Filippo Chimento, Vasteras, SE;
Willy Hermansson, Vasteras, SE;
Staffan Norrga, Stockholm, SE;
Inventors:
Assignee:
ABB Research Ltd., , CH;
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/00 (2006.01); H02M 1/32 (2007.01); H03K 17/12 (2006.01); H03K 17/082 (2006.01);
U.S. Cl.
CPC ...
H03K 17/00 (2013.01); H02M 1/32 (2013.01); H03K 17/0828 (2013.01); H03K 17/127 (2013.01);
Abstract
A gate control circuit including: a gate input arranged to receive an input gate feed signal; a gate output arranged to be connected, during normal operation, to at least one switching module for controlling current through a main circuit, the gate output being connected to the gate input; a power supply; and a switch connected between the power supply and the gate output, the switch being arranged to close as a response to a failure. A corresponding power module and method are also presented.