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:
Dec. 10, 2019
Filed:
Mar. 24, 2017
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Seong-taek Lim, Suwon-si, KR;
Sung-il Kim, Seoul, KR;
Hyung-chul Lee, Gunpo-si, KR;
Jun-seok Kim, Yongin-si, KR;
Tae-ho Yoon, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
An interior permanent magnet motor includes a stator comprising a hollow and a plurality of coils provided around the hollow; and a rotor rotatably disposed in the hollow of the stator and comprising a plurality of permanent magnets therein. Each of the plurality of permanent magnets of the rotor comprises a central permanent magnet; a pair of side permanent magnets provided at opposite ends of the central permanent magnet to be inclined toward an outer circumferential surface of the rotor; and a pair of bathers provided between the central permanent magnet and the pair of side permanent magnets, a thickness of each of the pair of bathers is equal to or greater than a thickness of the central permanent magnet. The thickness of the central permanent magnet is greater than a thickness of each of the pair of side permanent magnets.