A drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second, third and fourth elements. The second element connects with an output shaft of the transmission and a first output shaft of an internal combustion engine connects with the third element for driving the third element. An electric motor having an output shaft connecting with the first element drives the first element in response to an electrical signal. An electric motor-generator unit has an output shaft which connects with the fourth element for driving the fourth element in response to an electrical signal. A second output shaft of the engine also connects with the fourth element through the unit for driving the fourth element. The resulting system has a plurality of different operating modes including a reverse gear or operating mode powered electrically and by the internal combustion engine.
Drive system including a transmission for a hybrid electric vehicle
17.11.2015
Patent
Elektronische Ressource
Englisch
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