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. 17, 2019
Filed:
Oct. 30, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Jin Ho Kim, Suwon-si, KR;
Woo Jin Chang, Suwon-si, KR;
Jinseok Kim, Seoul, KR;
Jae Chang Kook, Hwaseong-si, KR;
Dong Hwan Hwang, Seoul, KR;
Seong Wook Hwang, Gunpo-si, KR;
Jong Soo Kim, Seoul, KR;
Tae Whan Kim, Yongin-si, KR;
Seongwook Ji, Gunpo-si, KR;
Jin Won Seok, Seoul, KR;
Yong Beom Kim, Seoul, KR;
Hyun Sik Kwon, Seoul, KR;
Jong Sool Park, Hwaseong-si, KR;
Hyeonjin Kim, Suwon-si, KR;
Kyeong Hun Lee, Seoul, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
A planetary gear train of an automatic transmission for a vehicle provides at least ten forward speed stages and one reverse speed stage by combination of: first to fourth planetary gear sets respectively having first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements, or tenth to twelfth rotation elements; first to eighth shafts; at least four clutches and two brakes. In particular, the first shaft is fixedly connected to the first and fourth rotation elements and selectively connected to a transmission housing, the second shaft is fixedly connected to the second rotation element and an input shaft, the third shaft is fixedly connected to the fifth, eighth and twelfth rotation elements, the fourth shaft is fixedly connected to the ninth and tenth rotation elements and selectively connected to the input shaft.