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Cooling blades and cooling fans

A heat dissipation fan and fan blade technology, which is applied in the direction of non-variable pumps, pump components, and parts of pumping devices for elastic fluids, etc., can solve high-frequency noise, increase the overall weight of centrifugal fans, and plastic fan blades Difficult to thin the thickness and other issues, to achieve the effect of the best heat dissipation efficiency

Active Publication Date: 2021-10-22
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limited by materials and processing, it is difficult to thin the thickness of plastic fan blades, and it is difficult to increase the number of plastic fan blades arranged on the periphery of the hub
If the number of plastic fan blades is increased, the overall weight of the centrifugal fan will increase significantly
When the load is too large, if the speed of the centrifugal fan is increased, high-frequency noise will be generated

Method used

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  • Cooling blades and cooling fans
  • Cooling blades and cooling fans
  • Cooling blades and cooling fans

Examples

Experimental program
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Effect test

Embodiment Construction

[0038] Figure 1A is a schematic diagram of the cooling fan according to the first embodiment of the present invention. Figure 1B is a schematic diagram of the heat dissipation fan blade according to the first embodiment of the present invention. Figure 1C yes Figure 1B The cross-sectional schematic diagram of the heat dissipation fan blade along the section line A-A. Please refer to Figure 1A to Figure 1C , in this embodiment, the cooling fan 100 can be a centrifugal fan, which includes a hub 110 and a plurality of cooling fan blades 120 , and these cooling fan blades 120 are arranged around the hub 110 . For example, the hub 110 fixed to each other and the cooling fan blades 120 can be manufactured by insert molding technology. In terms of processing, one end of these cooling fan blades 120 will be placed into the mold cavity used to form the hub 110 first, and then the hub 110 will be formed in the mold cavity by injection molding technology, so as to fix the cooling...

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Abstract

The invention provides a cooling fan and cooling fan blades. Wherein the cooling fan includes a hub and a plurality of cooling fan blades. These cooling fan blades are arranged around the hub. Each cooling fan blade includes a curved body and a guide part. The curved body has a pressure bearing surface and a negative pressure surface opposite to the pressure bearing surface. The guide part is connected with the curved surface body. The guide part has a concave surface and a convex surface corresponding to the concave surface, wherein the concave surface is concave inside the pressure bearing surface, and the convex surface is convex outside the negative pressure surface.

Description

technical field [0001] The present invention relates to a fan blade and a fan, and in particular to a cooling fan blade and a cooling fan. Background technique [0002] Common electronic devices, such as servers, mainframes of personal desktop computers, all-in-one computers (AIO), notebook computers, or monitors, mostly have built-in cooling fans. The airflow generated by the cooling fans makes the electronic devices run The generated heat is dissipated to the outside. [0003] Taking the centrifugal fan as an example, the manufacturing method of the centrifugal fan is usually to form an integrated wheel hub and fan blade through plastic injection. Limited by materials and processing, it is difficult to reduce the thickness of the plastic fan blades, and it is difficult to increase the number of plastic fan blades arranged on the periphery of the hub. If the number of plastic fan blades is increased, the overall weight of the centrifugal fan will be greatly increased. Wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/30F04D29/28F04D29/66
CPCF04D29/281F04D29/30F04D29/666
Inventor 余顺达廖文能郑丞佑柯召汉谢铮玟
Owner ACER INC
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