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:
Oct. 23, 2018
Filed:
Oct. 08, 2013
Applicant:
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 21/06 (2016.01); H02P 23/14 (2006.01); H02P 27/06 (2006.01); H02P 21/14 (2016.01);
U.S. Cl.
CPC ...
H02P 21/141 (2013.01); H02P 21/06 (2013.01); H02P 21/14 (2013.01); H02P 23/14 (2013.01); H02P 27/06 (2013.01); Y02P 80/116 (2015.11);
Abstract
A primary magnetic flux command value is changed in accordance with a torque of a rotary electric motor to control a current phase of an armature current with respect to a q axis that advances by π/2 with respect to a d axis in phase with a field flux to be a desired phase in accordance with the torque.