Importance

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Abstract

The present application provides a fan assembly. this fan assembly is characterized by: a motor and an impeller, the motor having a motor body and a motor shaft extending from the motor body, a distal end of the motor shaft having a first positioning mark with a certain spacing from 5 a central axis of the motor shaft, the distal end of the motor shaft having an end surface, the first positioning mark being at least partially visible on the end surface, the impeller having an impeller center bore, and a second positioning mark being provided on the impeller, where when the motor shaft is inserted into the impeller center bore, and the central axis of the motor 10 shaft, the second positioning marker and the first positioning marker are on a same diameter of the fan assembly, the impeller is mounted in place in a radial direction relative to the motor so that the fan assembly reaches dynamic balance during operation. The impeller and the motor in the present application are detachable.

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First Claim