Cooled electric drive unit for a motor vehicle

Details Cooled electric drive unit for a motor vehicle Cooled electric drive unit for a motor vehicle

2008-01-01

2008-01-01

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S058000, C310S06700R, C310S083000, C180S065510

Reexamination Certificate

active

07315099

ABSTRACT:
An electric drive unit for a motor vehicle, comprising:(a) a stub axle;(b) an electric motor having a stator that is fixed with respect to the stub axle and having a rotor that is rotatably supported with respect to the stub axle;(c) a gear system having its input connected to the rotor for torque transmission;(d) a wheel carrier that is rotatably supported with respect to the stub axle and is connected to the output of the gear system for torque transmission;characterized in(e) that air cooling with air circulation is provided for cooling the rotor of the electric motor;(f) and in that the electric motor has provided therein a heat sink for taking up heat from the circulating air.

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