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:
May. 21, 2019
Filed:
Feb. 14, 2018
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Shinichi Horikoshi, Yamanashi, JP;
Yuuya Nakagawa, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/24 (2006.01); H02M 5/458 (2006.01); H02M 1/42 (2007.01); H02P 27/08 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 5/4585 (2013.01); H02M 1/4233 (2013.01); H02P 27/08 (2013.01); H02P 27/085 (2013.01); H02M 2001/007 (2013.01); H02P 2201/03 (2013.01); H02P 2201/07 (2013.01); Y02B 70/126 (2013.01);
Abstract
A motor drive device that inputs AC power from a power supply to drive a motor includes: a converter that converts the AC power from the power supply into DC power; a DC/DC converter that generates DC power produced by stepping-up, stepping-down, or stepping-up and stepping-down the DC power from the converter; an inverter that converts the DC power from the DC/DC converter into AC power and supplies to the motor; and an electrical storage capacitor that is provided between the DC/DC converter and the inverter.