PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE
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United States of America Patent
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Issued Date -
Jun 8, 2017
app pub date -
Jun 14, 2016
filing date -
Dec 2, 2015
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Abstract
Eight or more forward speeds and at least one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements and a transmission housing.
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