Direct electrical drive

Details Direct electrical drive Direct electrical drive

2004-09-29

2010-10-12

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S052000, C310S058000, C310S059000

Reexamination Certificate

active

07812486

ABSTRACT:
The invention relates to a direct electrical drive (1) for a wheel set (30) of a vehicle, wherein the direct electrical drive (1) comprises a stator (7) and a rotor (3), with the rotor (3) being coupled mechanically with a wheel set shaft (11). The rotor (3) includes a cooling device. The cooling device includes cooling channels (22), an air inlet (37) and at least one fan (9), whereby the cooling channels (22) extend inside the rotor (3).

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