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:
Nov. 12, 2019
Filed:
Sep. 23, 2016
Sunonwealth Electric Machine Industry Co., Ltd., Kaohsiung, TW;
Sunonwealth Electric Machine Industry Co., Ltd., Kaohsiung, TW;
Abstract
An inner-rotor motor and a rotor of the inner-rotor motor reduce noise or vibration generated during the rotation of the motor. The rotor includes a shaft, an iron core, a plurality of permanent magnets and a limiting member. The iron core includes a magnetic yoke portion coupled with an outer periphery of the shaft, as well as a plurality of magnetic pole portions circumferentially coupled with an outer periphery of the magnetic yoke portion. The iron core forms a plurality of receiving portions, and each receiving portion is formed between two adjacent magnetic pole portions. The permanent magnets are received in the receiving portions, respectively. The limiting member is arranged at one side of the iron core, and includes a covering face covering the permanent magnets in the axle direction of the shaft.