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:
Jan. 09, 2018
Filed:
Aug. 28, 2015
Applicant:
Zhongshan Broad-ocean Motor Co., Ltd., Zhongshan, CN;
Inventors:
Yueqiang Yu, Zhongshan, CN;
Shikun Chen, Zhongshan, CN;
Jianhua Zeng, Zhongshan, CN;
Yanli Qiu, Zhongshan, CN;
Assignee:
ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD., Zhongshan, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/16 (2006.01); H02K 1/27 (2006.01); H02K 7/08 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2786 (2013.01); H02K 1/276 (2013.01); H02K 7/083 (2013.01); H02K 15/165 (2013.01);
Abstract
A motor rotor assembly including: a rotor core, a plurality of permanent magnets, and end plates. The permanent magnets are disposed on the rotor core, and the end plates are disposed at two end surfaces of the rotor core, respectively. A plurality of grooves is disposed at the outer edge of the top surface of the end plates, a plurality of convex columns protrudes from the bottom wall of the end plates.