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:
Apr. 12, 2016
Filed:
Dec. 01, 2014
Hyundai Motor Company, Seoul, KR;
Wonmin Cho, Hwaseong-Si, KR;
Kangsoo Seo, Yongin-Si, KR;
Seongwook Hwang, Gunpo-Si, KR;
Jaechang Kook, Hwaseong-Si, KR;
Seongwook Ji, Ansan-Si, KR;
Myeonghoon Noh, Seongnam-Si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A planetary gear train of an auto transmission for a vehicle may include an input shaft, four planetary gear sets, eight rotational shafts and six friction elements. The rotational shafts connect rotation elements of corresponding first, second, third, and/or fourth planetary gear sets, and one or more rotational shafts are directly or selectively connected to an output shaft or a transmission housing. The six friction elements selectively connect the rotational shafts and selectively connect one or more rotational shafts with the transmission housing.