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:
May. 09, 2023
Filed:
Mar. 03, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Seong Wook Hwang, Gunpo-si, KR;
Tae Whan Kim, Yongin-si, KR;
Youngbae Ryu, Seongnam-si, KR;
Jong Hyo Park, Osan-si, KR;
Hyung-Min Kim, Suwon-si, KR;
Juhyeon Park, Hwaseong-si, KR;
YongDal Choi, Suwon-si, KR;
Jaewook Lee, Seongnam-si, KR;
Wonmin Cho, Hwaseong-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
Abstract
A power transmission apparatus of a hybrid vehicle having an engine and first and second motor-generators includes: a planetary gear set disposed on a first motor shaft of the first motor-generator, and including a planet carrier connected to an engine shaft, a sun gear connected to the first motor shaft, and a ring gear connected to a drive gear through a one-way clutch, a second motor shaft gear connected to a second motor shaft of the second motor-generator, an output shaft disposed between the engine shaft and the second motor shaft, and a brake unit to selectively connect the sun gear and the ring gear to a transmission housing. In particular, the output shaft is externally gear-meshed with the drive gear and the second motor shaft gear respectively through a driven gear, and externally gear-meshed with a final reduction gear of the differential gear through an output gear.