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. 12, 2023
Filed:
Jun. 01, 2021
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Hideki Nishimura, Kyoto, JP;
Tomohiro Hasegawa, Kyoto, JP;
Hiroaki Hirano, Kyoto, JP;
Yoichi Sekii, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/173 (2006.01); H02K 7/116 (2006.01); H02K 21/22 (2006.01); H02K 7/08 (2006.01); F16H 1/16 (2006.01); F16H 55/22 (2006.01);
U.S. Cl.
CPC ...
H02K 7/1166 (2013.01); H02K 5/1737 (2013.01); H02K 7/088 (2013.01); H02K 21/22 (2013.01); F16H 1/16 (2013.01); F16H 55/22 (2013.01);
Abstract
A motor includes a stator, a rotor, and a bearing. The stator includes a shaft that extends in a vertical direction. The rotor is rotatable around the shaft. The bearing supports the rotor in a rotatable manner. The rotor includes a magnet, a case, and a tooth groove. The magnet is radially outward of the stator and opposes the stator in a radial direction. The case covers a radially outer end of the magnet. The tooth groove is provided in a radially outer surface of the case.