PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE
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United States of America Patent
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Issued Date -
Apr 27, 2017
app pub date -
Jun 22, 2016
filing date -
Oct 22, 2015
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Abstract
A planetary gear set of an automatic transmission for a vehicle may include an input shaft for receiving an engine torque, an output shaft for outputting a shifted torque of the engine, a first planetary gear set including first, second, and third rotational elements, a second planetary gear set including fourth, fifth, and sixth rotational elements, a third planetary gear set including seventh, eighth, and ninth rotational elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotational elements, and six control elements for selectively interconnecting the rotational elements and a transmission housing.
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