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:
May. 31, 2016
Filed:
May. 15, 2014
Hyundai Motor Company, Seoul, KR;
Kyoungbum Kim, Gyeonggi-do, KR;
Hyoungjun Cho, Seoul, KR;
Sanghoon Moon, Gyeonggi-do, KR;
Jung Shik Kim, Seoul, KR;
Woong Chan Chae, Gyeonggi-do, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A rotor fixing unit for a drive motor serves which fixes a rotor core to a shaft is provided. In particular, a plurality of keyway portions, which includes first keyways formed in an axial direction of the shaft, and second keyways connected to the first keyways in a rotation direction, are formed in an outer circumferential surface of the shaft. Additionally, a plurality of key protrusions, which are each coupled to each of the keyway portions, respectively, are formed on an inner circumferential surface of the rotor core, and fixing members for fixing the shaft and the rotor core are then inserted into the first keyways to fix the key protrusions in the second keyways.