Drive systems or powertrains including transmissions for electric and hybrid electric vehicles are provided. 3-position linear motor, 2-way clutches (i.e. CMDs) are included in the transmissions. An electric 3-speed AMT having a magnetic coupling device such as a magnetic torque converter is provided to magnetically transfer a portion of rotating mechanical energy of an electric powerplant or motor to a transmission output shaft in response to an electrical signal to synchronize angular velocities of the transmission output shaft and an output shaft of the electric powerplant during a change in state of one of the CMDs. Torque is transferred to the transmission output shaft during the change in state.
DRIVE SYSTEMS INCLUDING TRANSMISSIONS AND MAGNETIC COUPLING DEVICES FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES
2018-06-07
Patent
Elektronische Ressource
Englisch
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