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:
Aug. 19, 2025
Filed:
Apr. 12, 2023
Industrial Technology Research Institute, Hsinchu, TW;
Yu-Hsun Wu, Taipei Clty, TW;
Kuo-Lin Chiu, Taoyuan, TW;
Ya-Ling Chang, Hsinchu County, TW;
Chun-Chieh Chang, Taipei, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
An electric motor with double stators includes a first stator, a first stator and a rotor assembly. The rotor assembly is located between the first stator and the second stator in a radial direction. The rotor assembly includes a rotor body, a plurality of first rotor slots, a plurality of second rotor slots, a plurality of first magnets, and a plurality of second magnets. A first air gap is formed between the rotor body and the first stator, and a second air gap is formed between the rotor body and the second stator. The material of the first magnets is different to the material of the second magnets, and any position of the first magnets is different to any position of the second magnets.