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:
Oct. 17, 2017
Filed:
Oct. 19, 2015
Hyundai Motor Company, Seoul, KR;
Jae Chang Kook, Hwaseong-si, KR;
Kang Soo Seo, Yongin-si, KR;
Won Min Cho, Hwaseong-si, KR;
Myeong Hoon Noh, Seongnam-si, KR;
Seong Wook Ji, Ansan-si, KR;
Wook Jin Jang, Yongin-si, KR;
Seong Wook Hwang, Gunpo-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A transmission for a vehicle may include an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a third, planetary gear set, a fourth planetary gear set, provided to transfer a torque between the input shaft and the output shaft, and friction members, wherein each of the first, second, third, and fourth planetary gear sets includes three rotary elements and three of the friction members are each selectively connected to at least one of the at least three rotary elements of the first, second, third, and fourth planetary gear sets and control rotation of the rotary elements to achieve gear ratios of ten or more steps of forward shifting and one step of reverse shifting in a vehicle.