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. 06, 2022
Filed:
Jun. 17, 2020
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Yohei Kamiya, Yamanashi-ken, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2022.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 1/276 (2013.01); H02K 2201/03 (2013.01);
Abstract
A rotor includes: a rotor core; a plurality of plate-shaped magnets forming multiple poles, each arranged in the rotor core with a pair of magnetic pole faces thereof being positioned in a direction intersecting with the radial direction of the rotor core; and a plurality of voids formed in the rotor core, each arranged in contact with the magnetic pole face that is located on a side closer to the central axis of the rotor core, of each of the magnets forming multiple poles.