Drive device of vehicle

A drive device of a vehicle comprising:

• a first rotating electric machine;
• a circulating mechanism for lubricating oil lubricating and cooling said first rotating electric machine;
• a power control unit controlling said first rotating electric machine and cooled by heat exchange with said lubricating oil;
• and
• a casing accommodating said first rotating electric machine, said circulating mechanism and said power control unit, and provided with a circulation path,
• wherein
• said vehicle includes an internal combustion engine;
• said drive device of the vehicle further comprises:
• a second rotating electric machine including a rotor having a rotation axis coaxial with a rotation axis of a rotor of said first rotating electric machine;
• and
• a power splitting mechanism arranged coaxially with a rotation axis of a crank shaft of said internal combustion engine and between said first and second rotating electric machines, and having a first shaft receiving a rotation of the rotor of said first rotating electric machine, a second shaft receiving a rotation of the rotor of said second rotating electric machine and a third shaft receiving a rotation of said crank shaft;
• said power control unit controls said first and second rotating electric machines;
• and
• said casing further accommodates said second rotating electric machine and said power splitting mechanism.