A power transmission apparatus of a hybrid electric vehicle includes a first input shaft mounted along an axis of an engine shaft and selectively connectable to the engine shaft, a second input shaft formed as a hollow shaft, coaxially mounted with the first input shaft, and fixedly connected to a rotor of the first motor-generator, a third input shaft formed as a hollow shaft, coaxially mounted with the first input shaft, and selectively connectable to the first input shaft, an intermediate shaft mounted in parallel with the first input shaft, an output shaft mounted in parallel to the first input shaft and outputting a shifted toque, a planetary gear set mounted on the output shaft, having an element fixed to the output shaft and forming a shifted torque, and a plurality of gear sets mounted over the first, second, and third input shafts, the intermediate shaft, and the output shaft.
Power transmission system of hybrid electric vehicle
2021-09-14
Patent
Elektronische Ressource
Englisch
Hybrid power transmission system and hybrid electric vehicle
Europäisches Patentamt | 2022
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