Hybrid drive train of a motor vehicle
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United States of America Patent
Stats
-
Dec 13, 2011
Grant Date -
Jan 14, 2010
app pub date -
Dec 3, 2007
filing date -
Dec 16, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hybrid gear train of a motor vehicle that has an internal combustion engine with a drive shaft, an electric motor with a rotor that operate as a motor and a generator, a transmission with two input shafts and an output shaft, as well as a differential transmission. At least one of the input shafts can be connected, via an assigned de-coupler, to the drive shaft, both of the input shafts can be connected by alternately assigned gearwheel sets of different ratios and in each case one assigned gear clutch to the output shaft. The differential transmission is designed as a simple planetary gearset that is coaxial with the first input shaft. The ring gear of this transmission is rotationally fixed to the one input shaft. The planet carrier is rotationally fixed to the second input shaft, and the sun gear is connected to and drives the rotor.
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