KR101227112B1 - Aerogenerator of vertical type - Google Patents

Aerogenerator of vertical type Download PDF

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Publication number
KR101227112B1
KR101227112B1 KR1020110069066A KR20110069066A KR101227112B1 KR 101227112 B1 KR101227112 B1 KR 101227112B1 KR 1020110069066 A KR1020110069066 A KR 1020110069066A KR 20110069066 A KR20110069066 A KR 20110069066A KR 101227112 B1 KR101227112 B1 KR 101227112B1
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South Korea
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shaft
blade
variable
power generation
wind
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KR1020110069066A
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Korean (ko)
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KR20130008361A (en
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신세용
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신세용
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The present invention discloses a vertical axis type wind generator that can substantially reduce energy costs by obtaining power using wind power.
To this end, the present invention is formed perpendicular to the ground, the frame portion including a direction axis which is connected to be rotated separately from the power generation axis having a power generation shaft for providing a rotational force required for power generation, and a wind vane that rotates according to the wind direction on the axis; A blade unit including a plurality of rotation shafts connected to the power generation shaft, a plurality of blades divided into two sides around the rotation shaft, and a variable shaft connected to any one of the blades to adjust the rotation angle of the blades; It is connected to the direction axis so as to rotate in the direction, the vertical axis of the vertical axis including a rail unit connected to the end of the variable shaft to provide a rotation path of the variable shaft, and a power generation unit for receiving the rotational force generated by the rotation of the power generation shaft to generate electric power Provide a wind generator.

Description

Wind generator of vertical axis type where angle of blade part is adjusted by rail part {AEROGENERATOR OF VERTICAL TYPE}

The present invention relates to a vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion, and more particularly, to a vertical axis type wind generator that can substantially reduce energy costs by obtaining power by using wind power. It is about.

In general, a lot of research is being done on power generation equipment using natural energy in preparation for the depletion of fossil fuels such as oil and coal. Such research is focused on solar generators and wind generators.

Among these, the wind generator is a device that obtains power by using the rotational force of the blade that rotates to receive the wind. That is, a wind generator is a device that rotates the rotary blades or propellers using the wind power, and transmits the rotational force to the generator through a gear mechanism to produce electric power.

 These wind generators are classified into horizontal wind generators and vertical wind generators. At this time, the horizontal wind generator is mainly a large wind generator, it is installed in a place having a large area. On the other hand, the vertical wind generator is a small wind generator, it can be used for home use.

Here, the vertical axis wind generator is composed of a variable shaft that is installed to be able to rotate vertically to the support portion and a plurality of rotary blades along the longitudinal direction, and a generator connected to the variable shaft to receive the rotational force of the variable shaft to generate power do.

Such a vertical axis wind generator is mechanically simple and has the advantage of maintaining a predetermined rotational force regardless of the wind direction.

However, the vertical axis wind power generator is not provided with a means for cushioning or absorbing the shock when the external force is applied in the vertical direction, there is a problem that the shock is not properly absorbed at the maximum open position or closed position of the wing. .

Therefore, even if an external force is generated from various angles, there is a demand for a vertical wind power generator capable of minimizing its resistance and securing rotational force required for power.
Prior art related to the present invention is the Republic of Korea Registration No. 10-0761471 (announcement date September 27, 2007), the prior document discloses a vertical axis wind power generator with wind power protection function. .

According to the present invention, as the rail unit rotates according to the wind direction and the blade unit rotates independently of the rail unit is formed to be vertically or horizontally varied by the rail unit, the rotational force is maximized and the resistance of the wind pressure can be minimized. It is an object of the present invention to provide a wind turbine generator of a vertical axis type in which the angle of the blade portion is adjusted by the rail portion.

According to the spirit of the present invention, it is formed perpendicular to the ground, and includes a power generation shaft for providing a rotational force required for power generation, and a direction shaft connected to rotate separately from the power generation shaft having a wind vane that rotates according to the wind direction on the shaft; A frame portion; A blade unit including a plurality of rotation shafts connected to the power generation shaft, a plurality of blades divided into both sides about the rotation shaft, and a variable shaft connected to any one of the blades to adjust a rotation angle of the blades; A rail part connected to the direction axis to rotate in the same direction as the wind vane and connected to an end of the variable axis to provide a rotation path of the variable axis; It provides a wind power generator of a vertical axis method including a power generation unit for generating the electric power by receiving the rotational force generated by the rotation of the power generation shaft.

According to another love of the present invention, it is formed perpendicular to the ground, and comprises a power generation shaft for providing a rotational force required for power generation, and a direction axis connected to rotate separately from the power generation shaft having a wind vane that rotates in accordance with the wind direction on the axis; Frame portion to be; A plurality of rotating shaft parts connected to the power generating shaft and configured to rotate individually; A blade unit including a blade fixedly connected to the rotating shaft part, and a variable shaft connected to the blade to adjust a rotation angle of the blade; A rail part connected to the direction axis to rotate in the same direction as the wind vane and connected to an end of the variable axis to provide a rotation path of the variable axis; It provides a wind power generator of a vertical axis method including a power generation unit for generating the electric power by receiving the rotational force generated by the rotation of the power generation shaft.

In the vertical axis type wind power generator in which the angle of the blade unit is adjusted by the rail unit according to the present invention, the rail unit rotates according to the wind direction, and the blade unit that rotates independently of the rail unit varies vertically or horizontally by the rail unit. As it is formed to, it minimizes the resistance of the wind pressure and provides the effect to secure the rotational force required for power.

1 is a view schematically showing a vertical axis type wind generator in which the angle of the blade portion is adjusted by the rail portion according to the first embodiment of the present invention;
FIG. 2 is a side view illustrating a principle in which a vertical axis type wind generator in which an angle of a blade unit is adjusted by a rail unit according to a first embodiment of the present invention is rotated; FIG.
3 is a view showing a state in which the blade portion is rotated vertically or horizontally in the vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion according to the first embodiment of the present invention;
Figure 4 is a view showing for explaining the operation relationship between the configuration of the vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion according to the first embodiment of the present invention,
5 is a view schematically showing a vertical axis type wind generator in which the angle of the blade unit is adjusted by the rail unit according to the second embodiment of the present invention;
FIG. 6 is a side view illustrating a principle in which a vertical axis type wind generator in which an angle of a blade unit is rotated by a rail unit according to a second embodiment of the present invention is rotated; FIG.
7 is a view showing a blade portion rotated vertically or horizontally in the vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion according to the second embodiment of the present invention;
8 is a view for explaining the operation relationship between the configuration of the vertical axis type wind generator in which the angle of the blade unit by the rail unit according to the second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings it will be described with respect to the vertical axis type wind generator that the angle of the blade unit is adjusted by the rail unit of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, only the embodiments of the present invention to complete the disclosure, having ordinary skill in the art to which the present invention belongs It is provided to fully inform the scope of the invention, and the invention is defined only by the scope of the claims. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a view schematically showing a vertical axis type wind generator in which the angle of the blade portion is adjusted by the rail portion according to the first embodiment of the present invention.

Referring to FIG. 1, a vertical axis type wind power generator 100 according to the first embodiment of the present invention is largely divided into a frame part 110, a rail part 130, a blade part 140, and a power generation part ( 150).

First, the frame part 110 is formed perpendicular to the ground. The frame unit 110 includes a power generation shaft 112 that provides rotational force necessary for power generation, and a wind vane 116 that rotates according to the wind direction, and a direction shaft 114 connected to be rotated separately from the power generation shaft 112. It includes.

At this time, the cross-sectional shape of the illustrated frame portion 110 appears to be formed in a trapezoidal shape, but such a cross-sectional shape is one to make the frame portion 110 firmly seated on the floor, and to further solidify its position and posture. It is merely an example shape, but the present invention need not be limited to this shape.

Therefore, the present invention may be modified in various forms, such as a rectangular cross-sectional shape, which is a shape in which surface contact with the bottom is more stable through various embodiments.

Next, the blade unit 140 is connected on the power generation shaft 112. The blade unit 140 may be changed vertically or horizontally through the rail unit 130 as it is connected to the rail unit 130 when the power generation shaft 112 rotates.

Next, the rail unit 130 is connected on the direction axis 114 to rotate in the same direction as the wind vane 116. The rail unit 130 is connected to the blade unit 140 to provide a rotation path of the blade unit 140.

Next, the power generation unit 150 refers to the overall structure for generating electric power by receiving the rotational force generated by the rotation of the power generation shaft (112).

Detailed description of the configuration will be described with reference to the drawings shown below.

FIG. 2 is a side view illustrating a principle in which a vertical axis type wind generator in which an angle of a blade unit is adjusted by a rail unit according to a first embodiment of the present invention is rotated.

Referring to Figure 2, the vertical axis type wind generator 100 according to the first embodiment of the present invention as the blade portion 140 is changed vertically or horizontally, to secure the rotational force by using a force resisting the wind pressure At the same time it is made of a structure that minimizes the resistance of the wind pressure.

In this case, a section in which the blade unit 140 is vertically variable, that is, a section corresponding to the wind pressure is referred to as an effective section for convenience. Through such an effective section, the blade unit 140 may have a structure capable of securing a rotational force as a maximum resistance to wind pressure is achieved.

Wind generator 100 of the vertical axis type according to the first embodiment of the present invention shown largely comprises a rail unit 130, a blade unit 140.

First, the blade unit 140 will be described.

The blade unit 140 includes a plurality of rotation shafts 144 connected on the power generation shaft 112, and a plurality of first blades 142 and second blades 146 divided into two sides about the rotation shaft 114. And a variable shaft 148 connected to the first blade 142 to adjust a rotation angle of the first blade 142.

As shown, when the variable shaft 148 enters the effective section, as the first blade 142 is vertically variable, the first blade receives the maximum force that resists wind pressure. Accordingly, the power generation shaft 112 is rotated to secure the rotational force required for power generation.

In addition, one side of the first blade 142 is connected to the variable shaft 148, and the other side thereof is connected to the rotation shaft 144.

The second blade 146 is formed on the other side of the rotation shaft 144.

In this case, as described above, the first blade 142 may be changed horizontally or vertically as the variable shaft 148 is connected to the rail unit 130 and rotated. In addition, the first blade 142 may be connected to a bearing (not shown) to reduce the friction to the portion connected to the rotating shaft 144. In addition, the second blade 146 is preferably fixed to the rotating shaft 144 in a horizontal state.

Next, the rail unit 130 is formed in a circular shape as shown. And this rail portion 130 is made of a circular portion inclined upward in some section. In addition, the first blade 142 of the blade unit 140 may be vertically or horizontally connected to the variable shaft 148 of the blade unit 140 as the variable shaft 148 rotates.

As the rail unit 130 is connected to the direction axis 114, the rail unit 130 is rotated in the same direction as the wind vane 116.

That is, when the wind vane 116 is rotated in a direction in which the wind W is blown as shown, the rail 130 is also rotated. At this time, the variable shaft 148 is moved to the vertical section (132 of FIG. 3) or the horizontal section (134 of FIG. 3) of the rail unit 130 through the rotation of the rail unit 130. At this time, the vertical section (132 of FIG. 3) is an effective section, the maximum resistance to the wind pressure as the first blade 142 of the blade 140 is vertically varied.

As the horizontal section 134 is an ineffective section, as the first blade 142 of the blade 140 is horizontally varied, the force that resists wind pressure is minimized.

In this case, as the second blade 146 is fixed to the rotating shaft 144 and maintains a horizontal state, the second blade 146 may naturally maintain a minimum force against wind pressure.

The vertically variable blade portion 140 in this effective section is resistant to wind pressure, and is rotated by this resistance. At this time, as the blade portion 140 is rotated horizontally in the ineffective section it is possible to minimize the friction from the wind (W).

3 is a view showing a blade portion rotated vertically or horizontally in the vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion according to the first embodiment of the present invention.

Referring to FIG. 3, the blade unit 140 includes a first blade 142, a second blade 146, a rotation shaft 144, and a variable shaft 148. Here, the blade 140 is rotated to the vertical section 132 or the horizontal section 134 of the rail unit 130 by the variable shaft 148.

At this time, when the first blade 142 is rotated in the vertical section 132 by the variable shaft 148, it is vertically variable by the rotation of the rotating shaft 144. Accordingly, the first blade 142 receives the maximum resistance of the wind pressure.

When the first blade 142 rotates in the horizontal section 134, the first blade 142 is horizontally changed by the rotation of the rotation shaft 144. Accordingly, the first blade 142 receives a minimum of wind pressure resistance.

Figure 4 is a view showing for explaining the operation relationship between the configuration of the vertical axis type wind generator in which the angle of the blade unit by the rail unit according to the first embodiment of the present invention.

Referring to FIG. 4, the wind power generator 100 of the vertical axis type according to the first embodiment of the present invention is largely divided into a frame part 110, a rail part 130, a blade part 140, and a power generation part ( 150).

In FIG. 4, overlapping contents of the vertical wind power generator 100 according to the present invention described above with reference to FIGS. 1 to 3 will be omitted, and a section corresponding to the wind pressure will be referred to as an effective section.

Now, the operation relationship between the components of the vertical axis type wind generator 100 according to the first embodiment of the present invention will be described.

First, when the wind vane 116 is rotated in a direction in which the wind W is blown, the rail 130 is also rotated. At this time, the variable shaft 148 is moved to the vertical section 132 or the horizontal section 134 of the rail unit 130 through the rotation of the rail unit 130. At this time, the vertical section 132 is an effective section, the maximum resistance to the wind pressure as the blade 140 is vertically variable.

In addition, the horizontal section 134 is an ineffective section, and as the blade portion 140 is horizontally changed, the force that resists wind pressure is minimized.

The vertically variable blade portion 140 in this effective section is resistant to wind pressure, and is rotated by this resistance. At this time, as the blade portion 140 is rotated horizontally in the ineffective section it is possible to minimize the friction from the wind (W).

Here, the blade unit 140 includes a plurality of rotation shafts 144 connected on the power generation shaft 112, and a plurality of first blades 142 and second blades 146 divided into two sides about the rotation shaft 144. And a variable shaft 148 connected to the first blade 142 to adjust a rotation angle of the first blade 142.

Here, the first blade 142, one side is connected on the variable shaft 148, the other side is connected to the rotation shaft 144. The second blade 146 is formed on the other side of the rotation shaft 144. In this case, as described above, the first blade 142 may be changed horizontally or vertically as the variable shaft 148 is connected to the rail unit 130 and rotated. In addition, the first blade 142 may be connected to a bearing (not shown) to reduce the friction to the portion connected to the rotating shaft 144. In addition, the second blade 146 is preferably fixed to the rotating shaft 144 in a horizontal state.

As a result, the power generation shaft 112 rotates through the first blade 142 that receives the maximum resistance of the wind pressure in the effective section (vertical section), and the first blade 142 is horizontal in the ineffective section (horizontal section). As it is changed to, the resistance of the wind pressure can be minimized.

At this time, the power generation unit 150 is macroscopically as described above blade portion 140 is rotated by the wind pressure, this blade portion 140 is vertically or horizontally variable in the rail unit 130 through the variable shaft 148 And rotate. Accordingly, the power generation unit 150 receives the rotational force generated by the rotation to generate the power.

Here, the power generation unit 150 may include a generator (not shown) for generating a rotational force generated by the rotation of the power generation shaft 112 as electric power, and a storage battery (not shown) connected to the generator and storing power. Can be.

And the vertical axis type wind generator 100 according to an embodiment of the present invention, may be provided with a separate wind sensor (not shown) for sensing the wind. The wind sensor may be configured to rotate the power generation shaft 112 by using the power stored in the battery only in the set strength of the wind power.

5 to 8 illustrate a vertical axis type wind power generator in which the angle of the blade unit is adjusted by the rail unit according to the second embodiment of the present invention.

This is different from the shape and configuration of the blade unit 140 and the first embodiment of the present invention, except that there is a difference in the operation relationship, other configurations and forms are the same. Therefore, the vertical axis type wind power generator in which the angle of the blade unit is adjusted by the rail unit according to the second embodiment of the present invention will be described at the same time, highlighting the difference and briefly described.

First, referring to FIG. 5, a vertical axis type wind generator 100 in which an angle of a blade unit is adjusted by a rail unit according to a second embodiment of the present invention is largely a frame unit 110 and a rotating shaft unit 120. And a rail unit 130, a blade unit 140, and a power generation unit 150.

As shown in this configuration, unlike the first embodiment of the present invention in Figure 1, the blade portion 140, it can be seen that the vertically variable in the unified state without folding. Accordingly, the blade unit 140 of the second embodiment of the present invention has a structure that can receive more area of resistance to wind pressure than the first embodiment. Therefore, it is also possible to provide an effect that can further secure the rotational force.

Next, FIG. 6 is a side view illustrating a principle in which the vertical axis type wind generator 100 in which the angle of the blade portion is rotated by the rail portion according to the second embodiment of the present invention is rotated.

Referring to FIG. 6, the blade 141 entering the effective section is vertically variable. The blade 141 may be changed vertically or horizontally as the variable shaft 148 moves in connection with the rail unit 130. As the blade 141 is integrally formed, when the blade 141 is vertically changed, the blade 141 may receive the maximum resistance of the wind pressure through a wider surface contact. Accordingly, it is possible to provide an effect that can easily secure the rotational force required for power generation.

Next, Figure 7 is a view showing the blade portion is rotated vertically or horizontally in the vertical axis type wind power generator in which the angle of the blade portion is adjusted by the rail portion according to the second embodiment of the present invention.

Referring to FIG. 7, the blade 141 vertically varies as the blade 141 enters the vertical section 132 of the rail 130.

At this time, when the blade 141 is rotated in the vertical section 132 by the variable shaft 148, it is vertically variable by the rotation of the rotary shaft 120. Accordingly, the blade 141 receives the maximum resistance of the wind pressure.

When the blade 141 rotates in the horizontal section 134, the blade 141 is horizontally changed by the rotation of the rotation shaft 120. Accordingly, the blade 141 receives a minimum of wind pressure resistance.

8 is a view for explaining the operation relationship between the configuration of the vertical axis type wind generator in which the angle of the blade unit by the rail unit according to the second embodiment of the present invention.

Referring to Figure 8, it will be described with respect to the operation relationship between the configuration of the vertical axis type wind generator 100 according to a second embodiment of the present invention.

First, when the wind vane 116 is rotated in a direction in which the wind W is blown, the rail 130 is also rotated. At this time, the variable shaft 148 is moved to the vertical section 132 or the horizontal section 134 of the rail unit 130 through the rotation of the rail unit 130. At this time, the vertical section 132 is an effective section, the maximum resistance to the wind pressure as the blade 141 is vertically variable.

In addition, the horizontal section 134 is an ineffective section, and as the blade 141 is changed horizontally, the force that resists wind pressure is minimized.

The vertically variable blade 141 in this effective section is resistant to wind pressure, and is rotated by this resistive force. At this time, as the blade 141 is rotated horizontally in the ineffective section it is possible to minimize the friction force from the wind (W).

As described above, in the vertical axis type wind generator according to the present invention, as the rail portion that rotates according to the wind direction, and the blade portion that rotates independently of the rail portion is formed to be changed vertically or horizontally by the rail portion, It can minimize the resistance of wind pressure and provide the effect to secure the rotational force required for power.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments and can be manufactured in various forms, and a person of ordinary skill in the art to which the present invention pertains. It will be appreciated that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

W: wind
100: wind generator 110: frame portion
112: power generation axis 114: direction axis
116: wind vane 120: rotating shaft portion
130: rail portion 132: vertical section
134: horizontal section 140: blade portion
142: first blade 144: rotation axis
146: second blade 148: variable axis
150:

Claims (10)

A frame part including a power generation shaft that is formed perpendicular to the ground and provides a rotational force necessary for power generation, and a direction shaft that is connected to the power generation shaft to be rotated separately with a wind vane that rotates according to the wind direction;
A blade unit including a plurality of rotation shafts connected to the power generation shaft, a plurality of blades divided into both sides about the rotation shaft, and a variable shaft connected to any one of the blades to adjust a rotation angle of the blades;
A rail part connected to the direction axis to rotate in the same direction as the wind vane and connected to an end of the variable axis to provide a rotation path of the variable axis; And
And a power generation unit configured to receive the rotational force generated by the rotation of the power generation shaft and generate the power.
The blade, the vertical axis type wind turbine generator characterized in that it comprises a first blade is connected to the variable shaft, the other side is connected to the rotating shaft, and the second blade formed on the other side of the rotating shaft.
The method of claim 1,
The rail unit,
It is made of a circular shape, a portion of the vertical axis of the wind turbine generator, characterized in that the variable shaft is formed to rotate, the blade connected to the variable shaft is vertically or horizontally variable as the variable shaft is formed to rotate. .
The method of claim 2,
The rail unit,
A vertical section in which some sections are formed in an upwardly inclined circle, the blades being vertically variable as the variable shaft rotates upward; And
And a horizontal section in which the blades are horizontally variable as the variable shaft rotates downward in the vertical section.
delete The method of claim 1,
The first blade,
The vertical axis type wind turbine generator, characterized in that the variable shaft is horizontally or vertically variable as the variable shaft is connected to the rail.
The method of claim 5, wherein
The first blade,
Vertical wind turbine generator, characterized in that the bearing is connected to the portion connected to the rotating shaft.
The method of claim 1,
The second blade is,
The vertical axis type wind generator, characterized in that fixed to the rotating shaft in a horizontal state.
The method of claim 1,
The power generation unit,
A vertical axis wind turbine generator comprising a storage battery for storing the generated power.
delete delete
KR1020110069066A 2011-07-12 2011-07-12 Aerogenerator of vertical type KR101227112B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110069066A KR101227112B1 (en) 2011-07-12 2011-07-12 Aerogenerator of vertical type

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Application Number Priority Date Filing Date Title
KR1020110069066A KR101227112B1 (en) 2011-07-12 2011-07-12 Aerogenerator of vertical type

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Publication Number Publication Date
KR20130008361A KR20130008361A (en) 2013-01-22
KR101227112B1 true KR101227112B1 (en) 2013-01-28

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03202679A (en) * 1989-12-29 1991-09-04 Shogo Ogawa Vertical windmill
JP2005061291A (en) 2003-08-11 2005-03-10 Kunio Miyazaki Windmill structure of wind power generation device
KR20060022623A (en) * 2004-09-07 2006-03-10 김철수 Vertical cam-variable wings wind turbine
KR20110060774A (en) * 2009-11-30 2011-06-08 주식회사 한국에너지개발 A wind generator increasing revolution efficiency

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03202679A (en) * 1989-12-29 1991-09-04 Shogo Ogawa Vertical windmill
JP2005061291A (en) 2003-08-11 2005-03-10 Kunio Miyazaki Windmill structure of wind power generation device
KR20060022623A (en) * 2004-09-07 2006-03-10 김철수 Vertical cam-variable wings wind turbine
KR20110060774A (en) * 2009-11-30 2011-06-08 주식회사 한국에너지개발 A wind generator increasing revolution efficiency

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