Driving apparatus for use in powertrain of motor car, has drum switch swingable around pivotal axis, where pivotal axis is parallel to rotational axis of rotor shaft of electric machine and located on axis of rotation of coupling unit

摘要

The apparatus (17) has gears switchable in gear boxes (20). A drum switch (22) is swingable around a pivotal axis (18), where the drum switch comprises a guide track that is movable with a clutch (25) e.g. dog clutch. The clutch is operatively connected to a guide element. The pivotal axis is parallel to a rotational axis of a rotor shaft (29) of an electric machine (19) and is located on an axis of rotation of a coupling unit (44). The drum switch comprises a hollow cylindrical portion that embraces an axial portion of the clutch. The gears are planetary gears and internal gears. The electric machine is an electro motor.