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. 12, 2019
Filed:
Dec. 24, 2014
Hyosung Heavy Industries Corporation, Seoul, KR;
HYOSUNG HEAVY INDUSTRIES CORPORATION, Seoul, KR;
Abstract
Provided is a circuit breaker for a DC current using a magnetic field, which generates a magnetic flux and extinguishes an arc current generated in a main switch. The circuit breaker includes a main switch installed in a DC line, a coil wound so as to generate a magnetic flux in a direction vertical to the direction of an arc current generated when the main switch is opened, a semiconductor switch for switching current application to the coil, a capacitor connected in series to the semiconductor switch, and a first diode for conducting the electric current of the DC line, supplied from one side of the main switch, to the capacitor, wherein the semiconductor switch is turned on, in case a fault occurs, so that the electric current is applied to the coil by the voltage charged in the capacitor.