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Fan Blade Structure

a technology of fan blades and blades, which is applied in the direction of marine propulsion, liquid fuel engines, and vessel construction, etc., can solve the problems of increasing the cost, and increasing so as to reduce the number of times of fan blade replacement, reduce the cost, and reduce the effect of deforestation

Inactive Publication Date: 2008-09-04
LIAO HSIEN MING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]The primary objective of the present invention is to provide a fan blade the structure strength of which is improved by the cooperation of a first board and a second board.
[0007]To achieve the above objective, the fan blade in accordance with the present invention comprises a first board and a second board, wherein the density of the first board is greater than that of the second board, so that the first board is used to strengthen the structure strength of the second board.
[0009]With design that the structure of the first board is greater than that of the second board, and the first board strengthens the structure of the second board, therefore, the fan blade is less likely to deform to maintain its wind guide structure, so the number of replacing the fan blade reduces, which results in a reduction of the cost.
[0010]With the design that the first board and the second board are different in density, any kind of wood at hand can be fully utilized; it not only reduces deforestation, relieves greenhouse-caused environmental deterioration, but also meets the requirement of environment protection.

Problems solved by technology

After long time of use, the two low-density boards 11 are susceptible to deformation due to the influence of environmental factors (such as humidity or temperature change), thus increasing the number of times of replacement of the fan blade 10, and as a result, cost will also be increased.

Method used

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Embodiment Construction

[0016]The present invention will be clearer from the following description when viewed together with the accompanying drawings, which show, for purpose of illustrations only, the preferred embodiment in accordance with the present invention.

[0017]Referring to FIG. 2, a fan blade 20 in accordance with the present invention is shown and comprises a first board 21 and a second board 22.

[0018]The first board 21 is a type of low-density board or particle board, and one side of the first board 21 is a jointing surface 211.

[0019]The second board 22 is a plywood or wood board, and one side of the second board 21 is a jointing surface 221.

[0020]The first board 21 of the fan blade 20 is formed corresponding to the shape of the second board 22, and the first board and second boards 21, 22 are different in density. The jointing surface 211 of the first board 21 is jointed to the jointing surface 221 of the second board 22, so that the first board 21 is used to strengthen the structure strength ...

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PUM

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Abstract

A fan blade comprises a first board and a second board, wherein the density of the first board is greater than that of the second board, so that the first board is used to strengthen the structure strength of the second board. Therefore, the fan blade is less likely to deform and can maintain its wind guide structure, and its life span is prolonged.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a fan blade structure, and more particularly to a ceiling fan blade.[0003]2. Description of the Prior Art[0004]The existing ceiling fan blade 10 (as shown in FIG. 1) comprises two layers of low-density boards 11. After long time of use, the two low-density boards 11 are susceptible to deformation due to the influence of environmental factors (such as humidity or temperature change), thus increasing the number of times of replacement of the fan blade 10, and as a result, cost will also be increased.[0005]The present invention has arisen to mitigate and / or obviate the afore-described disadvantages.SUMMARY OF THE INVENTION[0006]The primary objective of the present invention is to provide a fan blade the structure strength of which is improved by the cooperation of a first board and a second board.[0007]To achieve the above objective, the fan blade in accordance with the present invention co...

Claims

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Application Information

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IPC IPC(8): F01D5/14
CPCF04D29/38F04D29/325
Inventor LIAO, HSIEN-MING
Owner LIAO HSIEN MING