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. 26, 2021
Filed:
Sep. 28, 2017
Applicant:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu, JP;
Inventors:
Takaaki Yasumura, Kitakyushu, JP;
Yasuhiro Miyamoto, Kitakyushu, JP;
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/02 (2006.01); H02K 1/27 (2006.01); H01F 41/02 (2006.01); H01F 13/00 (2006.01);
U.S. Cl.
CPC ...
H01F 7/02 (2013.01); H01F 7/021 (2013.01); H01F 13/003 (2013.01); H01F 41/0253 (2013.01); H02K 1/276 (2013.01); H02K 1/2746 (2013.01); H02K 1/2766 (2013.01); H02K 2213/03 (2013.01);
Abstract
A permanent magnet for a rotating electrical machine includes a magnet body. The magnet body includes a magnetization direction, a first side surface and a second side surface opposite to the first side surface in a first direction perpendicular to the magnetization direction, and at least one first slit passing through the magnet body in the magnetization direction. The at least one first slit extends in the first direction to the first side surface and not to the second side surface.