Variator for work vehicle drivetrain
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United States of America Patent
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Jan 29, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 19, 2016
filing date -
Jul 19, 2016
priority date (Note) -
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Abstract
A high efficiency work vehicle drivetrain contains a variator having an inline dual planetary configuration. The work vehicle drivetrain includes an engine, an auxiliary power takeoff (PTO) shaft coupled to the engine and rotatable about a primary power path axis when driven by the engine, and the variator assembly. The variator assembly includes a variator motor and a variator gearbox. The variator gearbox contains a planetary gear system, which is coupled to the variator motor and to the auxiliary PTO shaft. The planetary gear system is rotatable about a planetary axis, which is coaxial with the primary power path axis.
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