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. 19, 2022
Filed:
Dec. 18, 2019
Lg Magna E-powertrain Co., Ltd., Incheon, KR;
Kyeonghwan Kim, Seoul, KR;
Wonjung Sung, Seoul, KR;
Gyeongjae Park, Seoul, KR;
Hojun Shin, Seoul, KR;
Junho Ahn, Seoul, KR;
Yangsoo Lee, Seoul, KR;
Jongsu Kim, Seoul, KR;
LG MAGNA E-POWERTRAIN CO., LTD., Incheon, KR;
Abstract
A motor includes a rotor assembly and a stator. The rotor assembly includes a rotatable shaft extending in an axial direction, a rotor core coupled to the rotatable shaft and having a plurality of holes penetrating through the rotor core in the axial direction, a first end ring coupled to one end of the rotor core and configured to guide oil supplied to the rotor assembly into the plurality of holes, and a second end ring coupled to the opposite end of the rotor core and configured to guide oil passing through the plurality of holes in a radial direction.