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. 20, 2022
Filed:
Sep. 15, 2021
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Kang Hoon Lee, Goyang-Si, KR;
Yeong Hoon Kim, Seoul, KR;
Dong Hwan Hwang, Seoul, KR;
Jin Won Seok, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Abstract
A transmission apparatus may include a planetary gear set including three rotation elements, a dog clutch provided to selectively fix one rotation element of the planetary gear set, input and output shafts connected to two remaining rotation elements, a friction clutch provided to vary frictional force between two arbitrary rotation elements, a linear actuator provided to form linear displacement, a push member provided to receive the linear displacement and to apply pressure to the friction clutch to increase frictional force thereof, a return spring elastically supporting the push member in a direction of releasing the frictional force of the friction clutch, a one-way interlocking structure provided between a sleeve and the push member, and a release spring provided to elastically support the sleeve with respect to the push member in a direction of releasing the dog clutch.