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Blowing fan blade

A technology for blowing fans and blades, applied in the field of blowing fan blades, can solve the problems of small blowing area and small air collecting area of ​​blades, and achieve the effect of large air collecting area

Inactive Publication Date: 2012-07-04
SHANGHAI KAKU ELECTRIC EQUIP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fan blades with this structure have scattered blades on the outer circumference of the hub, and the axial projections of blades and blades do not overlap. Therefore, the blowing area between the blades of the fan and the installation environment is small, so that the wind collection of the blades is relatively small. smaller area

Method used

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  • Blowing fan blade
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Embodiment Construction

[0009] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0010] Such as Figure 1-2 As shown, the fan blade of the present invention includes a hub 1 and a plurality of blades 2 , the plurality of blades 2 are evenly distributed on the outer circumference of the hub 1 , and the plurality of blades 2 partially overlap in the axial projection of the hub 1 .

[0011] In the present invention, a plurality of blades 2 are evenly distributed on the outer circumference of the hub 1 , and the blades 2 overlap with the axial projection of the blades 2 . After the blower fan blade of this structure is installed on the fan, the blowing area between the blade 1 of the fan and the installation environment increases, and the blown air volume is larger after the fan is started. That is to say, the air collecting area of ​​the blowing fan blade of the present invention is relatively large.

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Abstract

The invention discloses a blowing fan blade, which comprises a wheel hub (1) and a plurality of blades (2), wherein the blades (2) are uniformly distributed on the outer circumference of the wheel hub (1), and the axial projection of the blades (2) on the wheel hub (1) is partly overlapped. The blowing fan blade of the invention has larger wind collecting area.

Description

technical field [0001] The invention relates to a blower fan, in particular to a blower fan blade of the blower fan. Background technique [0002] Fans are divided into suction fans and blowers according to their functions. Wherein, the blower includes blowing fan blades, and the blowing fan blades generally include a circular hub, and a plurality of blades are evenly distributed on the outer circumference of the hub, and the axial projections of the blades and the blades do not overlap. When the blower is activated, the blades spin to draw wind away from the ambient location. The fan blades with this structure have scattered blades on the outer circumference of the hub, and the axial projections of blades and blades do not overlap. Therefore, the blowing area between the blades of the fan and the installation environment is small, so that the wind collection of the blades is relatively small. The area is small. Contents of the invention [0003] The technical problem t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/38
Inventor 郭建议
Owner SHANGHAI KAKU ELECTRIC EQUIP CORP