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:
Nov. 08, 2022
Filed:
May. 10, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Yuji Hirosawa, Tokyo, JP;
Masahiro Nigo, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/14 (2006.01); H02K 21/16 (2006.01); H02K 1/27 (2022.01); H02K 15/02 (2006.01); F25B 49/02 (2006.01); F24F 1/08 (2011.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 1/146 (2013.01); F24F 1/08 (2013.01); F25B 49/025 (2013.01); H02K 1/276 (2013.01); H02K 15/022 (2013.01); H02K 21/16 (2013.01);
Abstract
A stator includes a yoke portion, and a tooth portion located inside the yoke portion in a radial direction. A fracture surface ratio of an inner surface of the tooth portion in the radial direction is lower than a fracture surface ratio of a side surface of the yoke portion.