Patent ID: 7811191

Claim:
A vehicular power transmitting system comprising: a transmission portion constituting a part of a power transmitting path and including frictional coupling devices; an electric motor connected to the power transmitting path and including a rotor, and a stator having a winding portion; an electrically controlled differential portion connected to the electric motor, and having a differential state between rotating speeds of its input and output shafts, which differential state is controllable according to a change of an operating speed of the electric motor; a casing accommodating said transmission portion, said electric motor and said electrically controlled differential portion; and a support member for supporting said rotor of the electric motor, said support member including a support portion formed in one axial end portion thereof, at which the rotor is supported rotatably about its axis, and a tapered portion having a diameter which increases in an axial direction from said one axial end portion toward the other axial end portion at which the support member is fixed to said casing, and wherein said winding portion of the stator of the electric motor is disposed in a space formed radially outwardly of said tapered portion, while a fluid passage portion for supplying a working fluid to said frictional coupling devices of the transmission portion is disposed in a space formed radially inwardly of said tapered portion.