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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.:

US 11158445 B1

PDFFull Text
Expired
Date of Patent:
Oct. 26, 2021

Filed:

Sep. 28, 2017

Permanent magnet for rotating electrical machine, rotating electrical machine, method for producing permanent magnet for rotating electrical machine

Applicant:

Kabushiki Kaisha Yaskawa Denki, Kitakyushu, JP;

Inventors:

Takaaki Yasumura, Kitakyushu, JP;

Yasuhiro Miyamoto, Kitakyushu, JP;

Assignee:

KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu, JP;

Attorney:

Mori & Ward, LLP

Primary Examiner:

Mohamad A Musleh

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.

Find Patent Forward Citations

Yasumura, Takaaki. (2021). Permanent magnet for rotating electrical machine, rotating electrical machine, method for producing permanent magnet for rotating electrical machine (U.S. Patent No. 11158445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11158445

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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