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:
Apr. 21, 2026
Filed:
Apr. 14, 2023
Mitsubishi Electric Corporation, Tokyo, JP;
Hideki Yoshikawa, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
Provided is an electric-power conversion apparatus including respective arms of three phases each having switching devices that are connected with a DC power source and an external connection point that is connected with a winding of an electric rotating machine. A phase current detection unit detects a current of each of the three phases, and a switching control apparatus that controls the electric rotating machine by turning on or off the positive-polarity switching devices and the negative-polarity switching devices and that determines that an excessive current has occurred, in the case where a current detected by the phase current detection unit exceeds a predetermined threshold value, and then turns on any one of a group of all the positive-polarity switching devices and a group of all the negative-polarity switching devices and turns off the other one thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile