Planetary gear train of automatic transmission for vehicle
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United States of America Patent
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Nov 28, 2017
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N/A
app pub date -
May 18, 2016
filing date -
Apr 29, 2016
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Abstract
A planetary gear train of an automatic transmission for a vehicle having an input shaft for receiving torque of an engine; an output shaft for outputting torque; a first planetary gear set including first, second, and third rotation elements; a second planetary gear set including fourth, fifth, and sixth rotation elements; a third planetary gear set including seventh, eighth, and ninth rotation elements; and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements, improves power delivery performance and fuel economy by achieving at least ten forward speed stages.
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