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Fan device

A fan and fan frame technology, which is applied in the field of fan devices with non-return air design, can solve the problems of system heat dissipation loss, reducing heat dissipation capacity of heat dissipation fans, etc.

Active Publication Date: 2018-02-06
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When one cooling fan fails and cannot operate normally, the airflow generated by other cooling fans will form a backflow at the failed fan, causing the failed fan to reverse, causing the system cooling loss and reducing the cooling effect of the cooling fan in the system ability

Method used

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Embodiment Construction

[0050] Figure 1A It is an external perspective view showing one side of the fan device 1 according to each embodiment of the present invention, Figure 1B It is an external perspective view showing the other side of the fan device 1 according to each embodiment of the present invention. Figure 2A Fig. 1 shows the detailed structure of the fan unit 1 according to the first embodiment of the present invention. refer to Figure 1A , Figure 1B , Figure 2A , the fan device 1 includes a fan 10 and a vane structure 20 . The fan 10 includes a hub portion 11 and a plurality of rotor blades 12 , and the plurality of rotor blades 12 are disposed around the periphery of the hub portion 11 . Wherein, the fan 10 rotates to generate a working airflow W. The working air W passes through the vane structure 20 from the fan 10 and blows out along a first direction X. As shown in FIG.

[0051] refer to Figure 1A , Figure 1B , Figure 2A , the vane structure 20 includes a plurality of...

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PUM

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Abstract

The invention discloses a fan device. The fan device comprises a fan and a fixed blade structure, wherein the fan comprises a hub part and a plurality of moving blades; the plurality of moving bladesare connected with the hub part; the fan rotates to generate a working air flow; the working air flow passes through the fixed blade structure from the fan and is blown out along a first direction; the fixed blade structure comprises a plurality of fixed blades; each fixed blade comprises a fixed blade body and a non-return air structure; each non-return air structure is connected with the corresponding fixed blade body; a groove is formed between each non-return air structure and the corresponding fixed blade body; and when a return air flow is blown to the fixed blade structure along a second direction, the return air flow is stopped by the grooves formed between the non-return air structures and the fixed blade bodies, and the first direction is opposite to the second direction.

Description

technical field [0001] The invention relates to a fan device, in particular to a fan device with a backflow prevention design. Background technique [0002] In a high-end server (SEVER) system, there are usually several cooling fans arranged in a high-density manner. When one cooling fan fails and cannot operate normally, the airflow generated by other cooling fans will form a backflow at the failed fan, causing the failed fan to reverse, causing the system cooling loss and reducing the cooling effect of the cooling fan in the system ability. Contents of the invention [0003] The invention provides a fan device for solving the problems of the prior art, including a fan and a vane structure. The fan includes a hub and a plurality of moving blades connected to the hub, wherein the fan rotates to generate a working airflow. The working air flow passes through the vane structure from the fan and blows out along a first direction, wherein the vane structure includes a plura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/44
CPCF04D29/441
Inventor 雷宗璵刘金昇谢其浩林京汉
Owner DELTA ELECTRONICS INC