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:
Jan. 21, 2025
Filed:
Jul. 06, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Iucf-hyu (Industry-university Cooperation Foundation Hanyang University), Seoul, KR;
Jin Ho Choi, Suwon-si, KR;
Sang Jin Park, Hwaseong-si, KR;
Jong Seok Lee, Suwon-si, KR;
Ki O Kim, Hwaseong-si, KR;
Sung Woo Hwang, Seoul, KR;
Myung Seop Lim, Seoul, KR;
Jae Hyun Kim, Seoul, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul, KR;
Abstract
A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.