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. 24, 2024
Filed:
Dec. 01, 2020
Lg Innotek Co., Ltd., Seoul, KR;
Jin Seob Lee, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
An embodiment may provide a motor including a shaft, a rotor coupled to the shaft, and a stator disposed between the shaft and the rotor, wherein the rotor includes a yoke coupled to the shaft and a driving magnet and a sensing magnet which are coupled to the yoke, the sensing magnet includes a first sensing magnet and a second sensing magnet, a first pole and a second pole are alternately disposed on a first circumference of the first sensing magnet, and the second sensing magnet is disposed on a second circumference having a radius different from a radius of the first circumference and includes a first pole and a second pole of which a length in a circumferential direction is different from a length of the first pole of the second sensing magnet in the circumferential direction.