Power split transmission
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United States of America Patent
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Jun 25, 2019
Grant Date -
Oct 12, 2017
app pub date -
Mar 31, 2017
filing date -
Apr 8, 2016
priority date (Note) -
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Abstract
A power split transmission and a method of merging the power flows of the power split transmission are provided. A power input shaft drives a planetary gear set splitting the input power into a power flow over a variable power branch and into a power flow over a mechanical power branch. The power flows can be merged for driving a power take-off shaft. A reverser includes a first clutch, a second clutch, a first gear set and a second gear set. By engaging the first clutch and disengaging the second clutch the first gear set is driven, if an output shaft of the variable power branch and a mechanical transmission shaft are counter-rotating. By engaging the second clutch and the first clutch disengaging the second gear set is driven, if the output shaft of the variable power branch and the mechanical transmission shaft are co-rotating.
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