An electric drive unit includes an electric motor for driving a fan. The
motor has an electronic control module. An impeller wheel for producing a
working air flow is mounted by bearings on an axle of the electric motor.
The hub of the impeller wheel has at least one preferably two walls
enclosing a cooling space or cooling space portions. At least one cooling
surface of a cooling body is in contact with components of the electronic
control module and projects into the cooling space. A gap formed between
the hub of the impeller wheel and a carrier section communicates with an
inner hub space. Holes (43, 322) communicating with the hub inner space
are provided in at least one component of the electric drive unit. When
the impeller wheel rotes a convection cooling air flow is established
between the gap and the holes.