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. 30, 2016
Filed:
Oct. 11, 2013
Applicant:
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Yoshiyuki Harada, Shiga, JP;
Toshiyuki Maeda, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 7/537 (2006.01); H02M 7/5387 (2007.01); H02M 5/458 (2006.01); H03K 17/082 (2006.01);
U.S. Cl.
CPC ...
H02M 7/537 (2013.01); H02M 1/32 (2013.01); H02M 5/4585 (2013.01); H02M 7/5387 (2013.01); H02M 2001/327 (2013.01);
Abstract
An operation area of a motor is increased without increasing the capacity of a switching element. A current limiter which limits a current flowing in switching elements to prevent the current from exceeding a predetermined current limit value is provided. A current limit value controller which decreases the current limit value if a loss generated in the switching elements increases at a same current value, and increases the current limit value if the loss decreases at a same current value, is provided.