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:
Sep. 19, 2017
Filed:
Nov. 14, 2015
Hyundai Motor Company, Seoul, KR;
Seong Wook Ji, Ansan-si, KR;
Jae Chang Kook, Hwaseong-si, KR;
Seong Wook Hwang, Gunpo-si, KR;
Hyu Tae Shim, Hwaseong-si, KR;
Won Min Cho, Hwaseong-si, KR;
Hyun Sik Kwon, Seoul, KR;
Kang Soo Seo, Yongin-si, KR;
Myeong Hoon Noh, Seongnam-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A multi-stage transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear devices transmitting rotary force between the input and output shafts, each of them having three rotary elements; and at least six shifting elements connected to the rotary elements of the planetary gear devices; wherein first rotary element of the first planetary gear device is installed to be fixable by any one of the shifting elements and variably connected to second rotary element of the second planetary gear device, second rotary element is continuously connected to the input shaft and variably connected to third rotary element of the second planetary gear device, and third rotary element is variably connected to the second rotary element of the second planetary gear device and continuously connected to first rotary element of the third planetary gear device.