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Heat radiation fan

A technology for cooling fans and fan blades, which is applied to the components of pumping devices for elastic fluids, non-variable-capacity pumps, machines/engines, etc. Eliminate and other problems to achieve the effect of improving heat dissipation and increasing volume

Active Publication Date: 2013-04-10
GIGA BYTE TECH CO LTD
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  • Abstract
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Problems solved by technology

[0007] In view of this, the present invention provides a cooling fan, so as to solve the problem that the linear airflow generated by conventional cooling fans causes the airflow whose heat dissipation effect only exists on the surface of the radiator, resulting in low utilization of the airflow
In addition, the heat dissipation fan provided by the present invention can further solve the problem that the conventional heat dissipation fan and the heat sink cause the linear airflow to flow sluggishly, which is not conducive to dust removal.

Method used

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Embodiment Construction

[0058] Please refer to figure 1 , a three-dimensional schematic view of the cooling fan according to the first embodiment of the present invention, wherein the cooling fan 100 of this embodiment is composed of a hub 110 , a plurality of fan blades 120 and a fan frame 130 . The fan frame 130 has an air inlet 131 and an air outlet 133 , and an accommodating space 135 is formed between the air inlet 131 and the air outlet 133 , and the hub 110 and the fan blade 120 are disposed in the accommodating space 135 .

[0059] A plurality of fan blades 120 are respectively disposed on the outer edge of the hub 110 . In this embodiment, a plurality of fan blades 120 are disposed at equiangular intervals on the outer edge of the hub 110 , but it is not limited to the embodiments disclosed in the present invention. Wherein, the fan frame 130 is electrically connected to a motor (not shown in the figure), therefore, the cooling fan 100 can drive the hub 110 to rotate through the motor, and ...

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Abstract

The present invention relates to a heat radiation fan, comprising a hub and a plurality of blades respectively arranged at the outer edge of the hub, wherein at least one blade comprises a main blade and a first auxiliary blade, one end of the main blade is connected with the hub, the main blade has opposite first and second side surfaces, the first auxiliary blade is arranged at one side of the main blade, the first auxiliary blade and the first side surface include a first angle and form a first opening, such that the blades generate air flow through the opening formed by the first auxiliary blade, thereby enhancing the heat radiation effect and achieving the effect of dust removal.

Description

【Technical field】 [0001] The present invention relates to a heat dissipation fan, in particular to a heat dissipation fan capable of generating multiple rotating small spiral airflows. 【Background technique】 [0002] Since general electronic products or electronic components (such as central processing unit, single chip, etc.) will generate heat during operation, resulting in a decrease in performance, therefore, cooling fans can be used to dissipate the heat generated by electronic products or electronic components. In addition, with the advancement of science and technology, the functions are getting stronger and the volume is getting smaller and smaller, so heat dissipation has become a necessary equipment, otherwise it will cause the heating components to be burned. [0003] Traditionally, cooling fans for electronic products or electronic components are mainly composed of a hub, multiple fan blades and a fan frame. Wherein, a plurality of fan blades are arranged at int...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/30
Inventor 黄顺治毛黛娟
Owner GIGA BYTE TECH CO LTD
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