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:
Mar. 24, 2015
Filed:
Jan. 18, 2012
Jian Zhao, Shenzhen, CN;
Yue LI, Hong Kong, CN;
Mao Xiong Jiang, Shenzhen, CN;
Ya Ming Zhang, Shenzhen, CN;
Xiao Ning Zhu, Shenzhen, CN;
Jian Zhao, Shenzhen, CN;
Yue Li, Hong Kong, CN;
Mao Xiong Jiang, Shenzhen, CN;
Ya Ming Zhang, Shenzhen, CN;
Xiao Ning Zhu, Shenzhen, CN;
Johnson Electric S.A., Murten, CH;
Abstract
An electric motor has a wound stator and a permanent magnet rotor. The rotor includes a shaft, a hub fixed on the shaft, a plurality of rotor core segments and magnets fixed around the hub, and a pair of covers fixed to axial ends of the rotor core segments. The hub and covers are formed on the rotor core segments by inserting molding and one of the covers has openings to allow the magnets to be inserted into spaces formed between adjacent rotor core segments such that the rotor core segments and magnets are alternately arranged in a circumferential direction of the rotor.