A power transmission apparatus of a hybrid electric vehicle may include, a first shaft fixedly connected to an engine, a second shaft selectively connectable to the first shaft and fixedly connected to a motor-generator, a third shaft disposed on a same axis with the first shaft and selectively connectable to the second shaft, a fourth shaft disposed coaxially with the third shaft without rotational interference therebetween, a fifth shaft disposed in parallel with the third shaft and the fourth shaft and externally gear-meshed with the third shaft and the fourth shaft, a sixth shaft disposed in parallel with the third shaft and the fourth shaft and externally gear-meshed with the third shaft and the fourth shaft, a planetary gear set having three elements, one element being fixedly connected to the second shaft, another element being selectively connectable to a transmission housing, and a remaining element being fixedly connected to the fourth shaft, and four gear sets forming external gear engagements between the first shaft, the second shaft, the third shaft, the fourth shaft, the fifth shaft and the sixth shaft.
Power transmission apparatus for hybrid electric vehicle
2022-04-19
Patent
Elektronische Ressource
Englisch
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