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. 23, 2024
Filed:
Apr. 20, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Chulmin Ahn, Anyang-si, KR;
Baekyu Kim, Hwaseong-si, KR;
SungGon Byun, Hwaseong-si, KR;
Yohan Kim, Busan, KR;
Su Hyeon Maeng, Seoul, KR;
Dong Hui Cheon, Hwaseong-si, KR;
Jieun Kim, Suwon-si, KR;
Sun Sung Kwon, Anyang-si, KR;
Junyoung Ha, Anyang-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Abstract
A lubrication structure of a planetary gear set includes a hollow shaft on which the planetary gear set is disposed and forming an oil passage in an axial direction thereof and a plurality of oil holes in a radial direction thereof to supply a lubrication oil to the planetary gear set, and an internal pipe provided within the oil passage of the hollow shaft, wherein a gap chamber is formed between the internal pipe and the hollow shaft with a preset gap, where a plurality of oil supply holes are formed through the internal pipe in the radial direction to fluidically communicate the gap chamber and an internal space of the internal pipe.