电机风扇是一种具有风扇毂和叶片的电机，沿风扇毂外圆周并有均匀分布的槽，叶片插在槽中，经焊接、粘接等永久性联接方法使叶片与风扇毂成为一体。电机风扇的整体平衡性好，可节省调整平衡所需工时，重量比螺栓联接式风扇减轻30%以上。采用本实用新型的电机运行时的振动和噪声均有所降低。
在电机轴中心钻有一个通风孔，利用电机风扇的风通过通风孔形成一气流回路带走磁线圈和转子涡流损耗产生的热量。
An airway in the center bit of the electric engine axis is used for taking away the heat which the magnetic coil and rolling eddy current loss produce.
如果一个合适的轴不可用，短轴通过把电机轴寿衣风扇安装提供了一种手段易于安装。
If a suitable shaft is not available, a stub shaft installed through the fan shroud into the motor shaft provides a means of easy mounting.
空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。
Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.
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