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. 03, 2013
Filed:
Dec. 01, 2011
Baekyu Kim, Suwon-si, KR;
Jang MI Lee, Tongyeong-si, KR;
Sungik Bae, Suwon-si, KR;
Yeonho Kim, Suwon, KR;
Baekyu Kim, Suwon-si, KR;
Jang Mi Lee, Tongyeong-si, KR;
Sungik Bae, Suwon-si, KR;
Yeonho Kim, Suwon, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having first, second, and third rotation elements, the second directly connected to the input shaft, and the third directly connected to a first motor/generator, a second planetary gear set having fourth, fifth, and sixth rotation elements, the fourth directly connected to the first rotation element and a second motor/generator, and the fifth selectively connected to the second rotation element, an output gear connected to the sixth rotation element, a first clutch selectively connecting the second rotation element with the fifth rotation element, a second clutch selectively connecting two rotation elements among the rotation elements of the first planetary gear set, a first brake interposed between the fifth rotation element and a transmission housing, and a second brake interposed between the third rotation element and the transmission housing.