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. 03, 2019
Filed:
Dec. 08, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Seong Wook Hwang, Gunpo-si, KR;
Hyun Sik Kwon, Seoul, KR;
Ki Tae Kim, Incheon, KR;
Won Min Cho, Hwaseong-si, KR;
Jae Chang Kook, Hwaseong-si, KR;
Seong Wook Ji, Gunpo-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
A multistage transmission for a vehicle includes: input and output shafts; four planetary gear devices each having three rotary elements to transfer rotary force; and six shift elements connected to the rotary elements of the planetary gear devices. A first rotary element of the first planetary gear device is selectively connected to a transmission case and to a second rotary element of a second planetary gear device, a second rotary element of the first planetary gear device is selectively connected to the transmission case and fixedly connected to a third rotary element of the second planetary gear device, and a third rotary element of the first planetary gear device is selectively connected to the second rotary element of the second planetary gear device and fixedly connected to a third rotary element of a third planetary gear device and a first rotary element of a fourth planetary gear device.