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. 18, 2022
Filed:
Sep. 24, 2020
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Shin Jong Kim, Hwaseong-si, KR;
Sang Jin Park, Hwaseong-si, KR;
Seung Jae Kang, Seoul, KR;
Jong Hyun Kim, Yongin-si, KR;
Byoung Hoon Choi, Seongnam-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A motor apparatus having an oil circulation structure may collect churning oil inside a housing and efficiently disperses the collected oil in each drive system, smoothly performing cooling and lubrication of the drive system including a motor and a reduction gear. Furthermore, even under low or high load conditions of the drive system, the oil level inside the housing is maintained at a constant level to maintain desired lubrication and cooling performance.