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:
Apr. 16, 2024
Filed:
Oct. 31, 2019
Lg Innotek Co., Ltd., Seoul, KR;
Jin Yong Kim, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
The present invention may provide a motor including a rotary shaft, a yoke coupled to the rotary shaft, a stator disposed between the rotary shaft and the yoke, a first magnet and a second magnet disposed in the yoke, and a circuit board on which a first Hall sensor is disposed to correspond to the first magnet and a second Hall sensor is disposed to correspond to the second magnet, wherein the second magnet includes a plurality of split magnets and one index magnet, a width of the split magnet in a circumferential direction is the same as a width of the index magnet in the circumferential direction, each of the split magnets and the index magnet are formed by combining a first pole and a second pole, a width of the first pole of the split magnet in the circumferential direction is the same as a width of the second pole in the circumferential direction, and a width of the first pole of the index magnet in the circumferential direction is different from a width of the second pole in the circumferential direction.