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, 2024
Filed:
Aug. 25, 2021
Lg Magna E-powertrain Co., Ltd., Incheon, KR;
LG Magna e-Powertrain Co., Ltd., Incheon, KR;
Abstract
An electric motor includes a rotor including a rotary shaft defining a first fluid channel configured to carry a cooling fluid, a rotor core including a plurality of permanent magnets and defining a second fluid channel in communication with the first fluid channel, and end rings mounted on opposite end portions of the rotor core. Each end ring includes injection holes in fluid communication with the second fluid channel and configured to inject the cooling fluid. Each end ring includes a plurality of rotary pins that are circumferentially arranged on an outer surface of the end ring, that are spaced apart from one another, and that are configured to circulate the cooling fluid injected through the plurality of injection holes into the first fluid channel.