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. 24, 2018
Filed:
Jun. 29, 2016
Fanuc Corporation, Minamitsuru-gun, Yamanashi, JP;
Wataru Kuroki, Yamanashi, JP;
FANUC CORPORATION, Yamanashi, JP;
Abstract
A motor driving device includes, a PWM converter that performs power conversion between AC power and DC power in a DC link, an inverter that converts the DC power in the DC link to AC power for a motor and that converts the AC power from the motor to DC power for returning to the DC link, a power storage unit that stores the DC power, a switch that connects or disconnects between an AC power supply and the PWM converter in response to a command, and a command unit that continues outputting a connection command to the switch while a DC voltage in the DC link is boosted up to a prescribed voltage by the DC power, and that initiates outputting a disconnection command to the switch after the DC voltage in the DC link reaches the prescribed voltage and before the inverter initiates powering operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile