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:
Dec. 01, 2020
Filed:
Aug. 02, 2018
Applicant:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu, JP;
Inventors:
Takeo Suzuki, Kitakyushu, JP;
Kenichi Hirata, Kitakyushu, JP;
Hiroshi Koga, Kitakyushu, JP;
Motomichi Ohto, Kitakyushu, JP;
Yosuke Shirozu, Kitakyushu, JP;
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/18 (2006.01); H02K 1/14 (2006.01); H02K 5/00 (2006.01); H02K 15/02 (2006.01);
U.S. Cl.
CPC ...
H02K 1/14 (2013.01); H02K 1/148 (2013.01); H02K 5/00 (2013.01); H02K 1/185 (2013.01); H02K 15/022 (2013.01); H02K 2213/03 (2013.01);
Abstract
A rotating electrical machine includes a frame, and a stator core fixed to an inner peripheral surface of the frame and including a plurality of split cores disposed in a peripheral direction. Each of the plurality of split cores includes a groove disposed along an axial direction on a central position in the peripheral direction on an outer peripheral surface of the split core, and a first protrusion disposed on a bottom of the groove and protruding outward in a radial direction.