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:
Nov. 03, 2015
Filed:
Dec. 20, 2013
Hyundai Motor Company, Seoul, KR;
Chang Wook Lee, Whasung-Si, KR;
Jongsool Park, Whasung-Si, KR;
HYUNDAY MOTOR COMPANY, Seoul, KR;
Abstract
A hybrid-electric power transmission system may include: an input shaft; an output shaft; a first planetary gear set on the input shaft, and including a first rotation element connected to a first motor/generator, a second rotation element connected to the output shaft, and a third rotation element directly connected to the input shaft; a second planetary gear set on the input shaft, and including a fourth rotation element directly connected to a second motor/generator and selectively connected to the third rotation element, a fifth rotation element connected to the output shaft, and a sixth rotation element connected to a transmission housing; transfer gears; and frictional elements selectively connecting two rotation elements among three rotation elements of the second planetary gear set, selectively connecting the third rotation element to the fourth rotation element, or selectively connecting the sixth rotation element to the transmission housing.