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. 31, 2026
Filed:
Nov. 07, 2023
Midea Welling Motor Technology (Shanghai) Co., Ltd., Shanghai, CN;
Xiong Yang, Shanghai, CN;
Wenrui Li, Shanghai, CN;
MIDEA WELLING MOTOR TECHNOLOGY (SHANGHAI) CO., LTD., Shanghai, CN;
Abstract
A rotor structure, a motor structure, and a laundry treatment device are provided. The rotor structure has a rotor iron core, multiple permanent magnets and multiple magnetic barriers. The rotor has multiple permanent magnet slots arranged along a circumferential direction of the rotor core. The permanent magnets are disposed in the permanent magnet slots respectively. The magnetic barriers are disposed on the rotor iron core. The rotor structure can rotate unidirectionally or bidirectionally in the circumferential direction. At least one side of a permanent magnet slot is provided with the magnetic barriers in the rotation direction of the rotor structure. Two ends of each magnetic barrier face towards the permanent magnet corresponding to the permanent magnet slot and towards the outer edge of the rotor core, respectively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile