Electric vehicle drive system with reversible torque converter

A drive system includes an electric machine that generates a torque. An output shaft rotates bi-directionally and receives the torque. A coupling is disposed between the electric machine and the output shaft. The coupling includes a torque converter that multiplies the torque. One clutch transfers t...

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Bibliographische Detailangaben
Hauptverfasser: Mellet, Edward W, Li, Dongxu
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A drive system includes an electric machine that generates a torque. An output shaft rotates bi-directionally and receives the torque. A coupling is disposed between the electric machine and the output shaft. The coupling includes a torque converter that multiplies the torque. One clutch transfers the torque from the electric machine to the torque converter, when the electric machine operates in a first rotational direction. Another clutch transfers the torque from the electric machine to the torque converter, when the electric machine operates in a second rotational direction that is opposite to the first rotational direction. A gearset includes a number of meshing gears and is disposed between the electric machine and the output shaft to transfer the torque to the output shaft.