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. 31, 2026
Filed:
Sep. 27, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A direct current circuit breaker includes a first breaking unit and a second breaking unit. The first breaking unit includes: a first circuit breaker inserted in a direct current line; and a resonance circuit unit that generates a resonance current. The first breaking unit forms a current zero point by superimposing the resonance current on a direct current flowing through the direct current line, and breaks the direct current by opening the first circuit breaker. The second breaking unit includes a semiconductor element, allows the direct current to flow when energization of the semiconductor element is ON, and breaks the direct current by switching energization of the semiconductor element from ON to OFF.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile