| 摘要 |
A cooled fan motor may include a tankhead, an elongate housing attached to the tankhead and, having at least one longitudinally extending groove, a shaft rotatably attached to the housing, a hub attached to the shaft, the hub having at least one opening therethrough and shaped to form a gap with the tankhead, a rotor attached to the hub, and a stator mounted on the housing such that the groove in the housing forms an air passage between the housing and the stator connecting the gap and the opening; whereby air external to the motor is able to enter through the gap, flow along the air passage and exit the motor through the opening in the hub, thereby cooling an interior of the motor.
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