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:
Oct. 05, 2021
Filed:
May. 23, 2019
Applicant:
Johnson Electric International Ag, Murten, CH;
Inventors:
Assignee:
JOHNSON ELECTRIC INTERNATIONAL AG, Murten, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 1/16 (2006.01); H02K 1/22 (2006.01); H02K 16/02 (2006.01); H02K 1/28 (2006.01);
U.S. Cl.
CPC ...
H02K 1/278 (2013.01); H02K 1/28 (2013.01); H02K 16/02 (2013.01);
Abstract
An electric motor and a rotor thereof are provided. The rotor includes a shaft and at least one rotating body fixed to the shaft. The rotating body includes a rotor core and a plurality of permanent magnets. An outer periphery of the rotor core has a plurality of spaced slots, each of which extends along an axial direction of the rotor. The rotating body further includes a plurality of axial arms molded to the corresponding slots and configured to fix the permanent magnets. Every two adjacent axial arms form an accommodation therebetween, and each permanent magnet is fixed to a corresponding accommodation.