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:
Sep. 10, 2019
Filed:
Jul. 31, 2014
Guangdong Welling Motor Manufacturing Co., Ltd., Foshan, CN;
Midea Welling Motor Technology (Shanghai) Co., Ltd., Shanghai, CN;
Guangming Peng, Shanghai, CN;
Fei Wang, Shanghai, CN;
Lidan Zhao, Shanghai, CN;
Jintao Chen, Shanghai, CN;
Z. Q. Zhu, Shanghai, CN;
GUANGDONG MEIZHI COMPRESSOR CO., LTD., Foshan, CN;
Abstract
An electric motor rotor () and an electric motor having the same are provided. The electric motor rotor () includes a rotor body () provided with a rotor bore () and a plurality of magnetic steel slots () surrounding the rotor bore (), in which an outer contour of the rotor body () includes a plurality of concentric arc segments () in concentric with the rotor bore () and a plurality of connecting line segments () connecting adjacent concentric arc segments (), and the connecting line segment () includes at least one straight line segment (), in which an included angle β between a central normal line of each straight line segment () and a connecting line between a midpoint of the straight line segment () and a center of the rotor bore () satisfies 0°≤β≤20°; and a plurality of magnetic steel bars ().