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:
Feb. 07, 2017
Filed:
Feb. 27, 2015
Applicant:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu-shi, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 1/24 (2006.01);
U.S. Cl.
CPC ...
H02K 1/276 (2013.01); H02K 1/2766 (2013.01); H02K 1/246 (2013.01);
Abstract
A rotary electric machine is provided, which includes a rotor core, a plurality of permanent magnets embedded in the rotor core, and a stator core arranged so as to oppose to the rotor core. The plurality of permanent magnets include a pair of first permanent magnets. The pair of first permanent magnets are arranged so that first magnetic poles thereof having the same polarity oppose to each other and are separated from each other on both sides of a magnetic path of d-axis by a predetermined distance. The rotor core includes gaps formed within the magnetic path of the d-axis.