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:
Jun. 04, 2019
Filed:
Oct. 11, 2016
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Akira Nishifukumoto, Yamanashi, JP;
Hidetoshi Mitsui, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 1/27 (2006.01); H02K 29/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/28 (2013.01); H02K 1/278 (2013.01); H02K 29/03 (2013.01);
Abstract
Provided is a permanent magnet rotor that includes a plurality of magnets sequentially disposed on an outer circumferential surface of a core having a cylindrical shape along a circumferential direction of the core and a plurality of projection portions each disposed between the magnets adjacent to each other. Then a cover portion is formed such that a height of a space in a radial direction of the core is more reduced as from a base portion of the projection portions toward a tip end of the cover portion.