Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hyun Sik Kwon0
Seong Wook Hwang0
Seong Wook Ji0
Won Min Cho0
Ki Tae Kim0
Date of Patent
May 28, 2019
0Patent Application Number
158312250
Date Filed
December 4, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A vehicle transmission includes: four planetary gear sets and six friction elements which may be combined such that the rotation speed and direction are changed by selectively interrupting operations using the rotation elements of the planetary gear sets and the plurality of friction elements, wherein with such a shifting action, the vehicle may be driven by implementing gear ratios of at least ten forward stages and at least one reverse stage.
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