Fan

A fan and fan wheel technology is applied to the components of pumping devices for elastic fluids, non-variable-capacity pumps, pump devices, etc. Improve the effect of heat dissipation
CN102465894AActive Publication Date: 2012-05-23SUNONWEALTH ELECTRIC MACHINE IND
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SUNONWEALTH ELECTRIC MACHINE IND
Publication Date
2012-05-23

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Abstract

The invention discloses a fan, which comprises a fan frame and a motor, wherein an accommodating space is formed inside the fan frame, in addition, the fan frame is provided with at least one side air inlet and at least one side air outlet communicated with the accommodating space, the motor is combined with the accommodating space of the fan frame and comprises a stator and a fan wheel, the fan wheel is rotatablely combined with the stator, the fan wheel is provided with a wheel hub and a plurality of blades, the wheel hub is provided with a top surface, each blade is respectively positioned on the top surface of the wheel hub, each blade respectively comprises a first end and a second end in the radial direction of the fan wheel, the first end and the second end are opposite, the first end of each blade is in outward arrangement, and a flow guide space is formed among the second ends of all blades. Therefore, the occurrence of the turbulent flow phenomenon is effectively prevented, and the heat radiation effect can also be improved.
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Description

technical field

[0001] The present invention relates to a fan, in particular to a fan capable of introducing and exporting air flow in a radial direction in the radial direction of the fan wheel. Background technique

[0002] Existing fans generally include two types: axial flow fans and blower fans. The axial flow fan has an axial air inlet and an axial air outlet opposite to each other in the axial direction, so as to introduce air flow through the axial air inlet, and then export air flow through the axial air outlet, thereby providing heat dissipation; Also, the blower fan has an axial air inlet in the axial direction, and a radial air outlet in the radial direction, so that the airflow is introduced through the axial air inlet, and then exported laterally through the radial air outlet. Airflow, while also having the function of heat dissipation.

[0003] However, as far as the axial flow fan is concerned, since it can only guide the airflow toward the axial direction ...

Claims

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