Inner rotor type radiator fan
A heat dissipation fan and rotor type technology, applied in the direction of non-variable pumps, electromechanical devices, electrical components, etc., can solve the problem that the motor shell 912 cannot provide magnetic sealing effect, reduce the heat dissipation effect of the heat dissipation fan 90, and affect the operation efficiency of the impeller 93, etc. problem, to achieve the effect of improving the overall heat dissipation effect, improving the heat dissipation effect, and avoiding magnetic flux leakage
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[0045] In order to make the above and other objectives, features, and advantages of the present invention more clearly understood, the following will specifically cite the preferred embodiments of the present invention, in conjunction with the drawings, as follows:
[0046] Please refer to Figure 4 and Figure 5 As shown, the inner rotor type heat dissipation fan of the first embodiment of the present invention mainly includes a fan frame 1, a magnetic shell 2, an inner rotor motor 3, an impeller 4 and a circuit board 5. The fan frame 1 can be made by injection molding; the magnetic enclosure 2 is combined with the inside of the fan frame 1; the inner rotor motor 3 is arranged inside the magnetic enclosure 2; the impeller 4 is connected to the inner rotor motor 3; The circuit board 5 is electrically connected to the inner rotor motor 3. Thereby, the circuit board 5 can be used to control the inner rotor motor 3 to drive the impeller 4 to rotate, and the fan frame 1 can be used t...
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