| 摘要 |
The cooling arrangement for a machine provided with hollow fins has in the end regions of the stator housing ports for the internal air and below the stator housing, closed at one end by an end plate, in the region of the respective ports, a motor-driven internal fan which is laterally covered by an air deflection surface between it and the pierced inner bearing bracket. Between the inner shaft end and the motor attached to the end plate, a rotation sensor coupled with the shaft end is arranged and it is used for air conduction as well. In the fan shell a motor-driven external fan is arranged and its motor may be attached on the outer side of the end plate.
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