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:
Aug. 18, 2015
Filed:
Nov. 27, 2013
Hyundai Motor Company, Seoul, KR;
Chang Wook Lee, Whasung-Si, KR;
Kangsoo Seo, Whasung-Si, KR;
Jae Chang Kook, Whasung-Do, KR;
Jongsool Park, Whasung-Si, KR;
Myonghoon Noh, Whasung-Si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
Abstract
A planetary gear train of an automatic transmission may include an input shaft, an output shaft, a compound planetary gear set disposed on the output shaft, and including a first rotation element selectively connected to the input shaft through two paths respectively having an externally-meshed gear and operated as a selective fixed element, a second rotation element selectively connected to the input shaft through one path having an externally-meshed gear and operated as a selective fixed element, a third rotation element connected to the output shaft, and a fourth rotation element selectively connected to the input shaft through one path having an externally-meshed gear, three transfer gears forming the externally-meshed gears, and friction elements provided with clutches selectively connecting the first, second, and fourth rotation elements to the input shaft and brakes selectively connecting the first and second rotation elements to a transmission housing.