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:
Aug. 26, 2025
Filed:
Mar. 28, 2019
Mitsubishi Electric Corporation, Tokyo, JP;
Yasushi Kuwabara, Tokyo, JP;
Takamasa Onishi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A motor drive device includes an inverter circuit to drive a motor, an inverter control device to control the inverter circuit, a gate-driving power supply to supply power to be used for driving the inverter circuit, a circuit pattern configured to connect the inverter circuit and the gate-driving power supply, a control power supply connected to the circuit pattern to supply power to be used for driving the inverter control device, and a thermal switch connected to the circuit pattern to interrupt power supply from the gate-driving power supply to the inverter circuit when a temperature of a winding of the motor exceeds a predetermined temperature.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile