Driving unit

A driving unit comprising:

• a motor;
• an inverter configured to transfer electric power to and/or from the motor;
• a casing configured to accommodate the motor and the inverter;
• and
• a partition member disposed between the motor and the inverter,
• wherein the partition member comprises a first heat conductive member, a second heat conductive member disposed at a first side of the first heat conductive member in a thickness direction of the first heat conductive member and having a thermal conductivity lower than that of the first heat conductive member, and a third heat conductive member disposed at a second side of the first heat conductive member in the thickness direction of the first heat conductive member and having a thermal conductivity lower than that of the first heat conductive member, and
• the first heat conductive member is coupled to at least one of a part of the casing closer to the accommodated inverter compared to the motor and a heat sink, wherein the first heat conductive member does not expose from the second heat conductive member on the side of a motor housing and does not come in direct contact with the motor housing.