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. 26, 2023
Filed:
May. 04, 2021
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Inventor:
Jae Hyeon Lee, Hwaseong-si, KR;
Assignees:
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/20 (2006.01); H02K 9/19 (2006.01); H02K 7/00 (2006.01);
U.S. Cl.
CPC ...
H02K 5/20 (2013.01); H02K 7/003 (2013.01); H02K 9/19 (2013.01);
Abstract
A drive motor for vehicles includes: a stator; a rotor rotatably disposed inside the stator; a hollow shaft disposed inside the rotor, configured to be rotatable with the rotor and including a plurality of through-holes; and a housing configured to accommodate the stator, the rotor, and the hollow shaft, and including a channel, wherein the channel is formed in an inner wall of the housing and is configured to allow an upper side of the inner wall and an interior of the hollow shaft to communicate with each other and allow oil flow therein.