Arrangement of an impeller on a rotating part and method for producing the arrangement
A technology of rotating parts and impellers, applied in the field of producing such components, can solve disadvantages, difficulties and other problems
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[0035] figure 1 An assembly according to the invention is shown schematically, comprising an electric motor 1 with a rotor 2 to which an impeller, hereinafter referred to as fan wheel 3 , is press-fitted. The non-rotational connection between the hub 4 of the fan wheel 3 and the rotor 2 or the surface of the rotor 2 is produced by a press fit.
[0036] The blades 5 are provided with aerodynamic features which do not play a role with regard to the teaching according to the invention.
[0037] At this point it should be noted that the fan wheel 3 is press-fitted onto the rotor 2 in order to form a specific flow direction. For the opposite flow direction, without changing the type and design of the fan wheel 3, it can be formed by press-fitting the fan wheel 3 on the rotor facing in the other direction.
[0038] figure 2 shown in top view figure 1 , wherein it can be seen in the schematic diagram that the polygonal annular blank 6 is between the hub 4 of the fan wheel 3 and ...
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