WO2010074545A2 - Éolienne flottante - Google Patents

Éolienne flottante Download PDF

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Publication number
WO2010074545A2
WO2010074545A2 PCT/KR2009/007848 KR2009007848W WO2010074545A2 WO 2010074545 A2 WO2010074545 A2 WO 2010074545A2 KR 2009007848 W KR2009007848 W KR 2009007848W WO 2010074545 A2 WO2010074545 A2 WO 2010074545A2
Authority
WO
WIPO (PCT)
Prior art keywords
buoyancy
windmill
rotation
vertical
vertical rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2009/007848
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English (en)
Korean (ko)
Other versions
WO2010074545A3 (fr
Inventor
이병철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority claimed from KR1020090131479A external-priority patent/KR20100076915A/ko
Publication of WO2010074545A2 publication Critical patent/WO2010074545A2/fr
Publication of WO2010074545A3 publication Critical patent/WO2010074545A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • F03D3/0409—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels surrounding the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • 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
    • Y02E10/727—Offshore wind turbines
    • 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

Definitions

  • the present invention relates to a buoyancy windmill, in particular, by improving the structure of the water tank and the buoyancy body, the installation is simple and can be economically installed not only on land, but also at sea or lake, and also high rotational force by relatively weak wind power It is about the buoyancy windmill to get.
  • the wind power generator is rotatably installed on the upper portion of the structure, such as a gearbox for transmitting by increasing the rotational speed of the rotating shaft of the blade rotated by the wind is installed in conjunction with the wing, the gearbox
  • the generator for converting the increased rotational force into electrical energy is configured to be connected to the gearbox.
  • the electrical energy generated by the generator is applied to the power storage device or the like to be stored or directly applied to the consumer.
  • a windmill has been developed in which a buoyancy body is floated in a fluid filled in a tubular waterway, and the blades are rotated laterally by wind pressure.
  • the windmill that is floated by the fluid and rotates laterally by the vertical axis further increases the rotational force rotated by the wind pressure by using the inertia of the fluid, that is, water, antifreeze, or palm trees.
  • the present invention is designed to further maximize the efficiency of the windmill as described above, by directly coupling the vertical axis to the center of the fluid filled in the water tank (hereinafter referred to as "housing") of the empty form, such as a bucket
  • housing the fluid filled in the water tank
  • the purpose of the present invention is to provide a buoyancy windmill to guide the internal rotating body to improve rotational force and to prevent damage by folding the wind guide vanes when a strong wind pressure such as a storm occurs.
  • the buoyancy windmill includes a vertical rotary shaft rotated by wind power; A buoyancy body whose central portion is coupled and fixed perpendicularly to the vertical rotation axis, the buoyancy body configured to directly support the weight of the vertical rotation axis; A housing configured in the form of a bucket having an empty inside to store a fluid capable of floating the buoyancy body; A vertical rotation shaft support part configured to support a rotation center axis of the vertical rotation shaft at a predetermined position of the vertical rotation shaft, fixedly coupled to the buoyancy body vertically; Coupled with and fixed to the vertical axis of rotation, characterized in that it comprises a windmill blade configured to transmit the rotational force by the wind to the vertical axis of rotation.
  • cover is further configured to cover the upper portion of the housing.
  • the buoyancy body is characterized in that the vertical axis of rotation is configured to extend through the interior.
  • the buoyancy body is characterized in that it further comprises a secondary axis coaxial with the rotation center axis of the vertical rotation axis in the lower portion.
  • the rotary shaft support is characterized in that the side of the housing utilized as a support.
  • the vertical axis of rotation support is characterized in that it consists of an inner ring provided to rotatably support the vertical axis of rotation, and an outer support provided to fix the inner ring from the outside.
  • the windmill blade is characterized in that configured to be coupled to the vertical axis of rotation in the horizontal direction.
  • the windmill blade is characterized in that it is configured to be arranged vertically on the upper surface of the horizontal frame fixedly coupled with the vertical axis of rotation horizontally.
  • windmill wings are characterized in that the " ⁇ " shape.
  • the vertical rotation shaft support portion is characterized in that it further comprises a wind induction wing portion that can be opened and closed.
  • the groove portion of the perforated structure having a locking step that can accommodate the vertical axis of rotation in the bottom portion of the housing, and the retainer and bearing for preventing leakage is sequentially fastened and fixed to the groove portion.
  • the housing is characterized in that the inlet or check valve further configured on the side.
  • the buoyancy windmill according to the present invention floats the buoyancy body directly coupled to the rotational vertical axis in the center of the fluid filled in the housing, to float the rotating body by the buoyancy body, thereby reducing the weight of the rotating body fluid
  • the buoyancy windmill according to the present invention floats the buoyancy body directly coupled to the rotational vertical axis in the center of the fluid filled in the housing, to float the rotating body by the buoyancy body, thereby reducing the weight of the rotating body fluid
  • FIG. 1 is a perspective view of a buoyancy windmill according to a first embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the buoyancy windmill according to the first embodiment of the present invention.
  • FIG 3 is a view showing a vertical axis of support of the buoyancy windmill according to the first embodiment of the present invention.
  • FIG. 4 is a perspective view of a vertical axis of rotation and the housing of the buoyancy windmill according to the first embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the buoyancy windmill according to the first embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of the buoyancy windmill according to a second embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the buoyancy windmill according to a third embodiment of the present invention.
  • FIG. 8 is an exploded perspective view of the buoyancy windmill according to a fourth embodiment of the present invention.
  • FIG. 9 is a perspective view of a vertical axis of rotation and the housing of the buoyancy windmill according to a fourth embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of the buoyancy windmill according to a fourth embodiment of the present invention.
  • FIG. 11 is a perspective view of a windmill blade of a buoyancy windmill according to a fifth embodiment of the present invention.
  • FIG. 12 is a perspective view of a wind vane guide unit according to a sixth embodiment of the present invention.
  • buoyant windmill 2 rotor
  • housing 4 wind induction part
  • housing cover 41 lower ring
  • first fixing groove 315 ' housing bearing
  • FIG. 1 is a perspective view of a buoyancy windmill according to a first embodiment of the present invention
  • Figure 2 is an exploded perspective view of the buoyancy windmill according to a first embodiment of the present invention
  • Figure 3 is a vertical of the buoyancy windmill according to a first embodiment of the present invention 4 is a perspective view of the vertical axis of rotation and the housing of the buoyancy windmill according to the first embodiment of the present invention
  • Figure 5 is a cross-sectional view of the buoyancy windmill according to the first embodiment of the present invention
  • Figure 6 9 is a cross-sectional view of a buoyancy windmill according to a second embodiment of the present invention
  • FIG. 7 is a cross-sectional view of a buoyancy windmill according to a third embodiment of the present invention
  • FIG. 8 is an exploded perspective view of the buoyancy windmill according to a fourth embodiment of the present invention
  • FIG. 9. Is a perspective view of a vertical axis of rotation and the housing of the buoyancy windmill according to a fourth embodiment of the present invention
  • Figure 10 is a cross-sectional view of the buoyancy windmill according to a fourth embodiment of the present invention
  • Figure 11 is a buoyancy windmill according to a fifth embodiment of the present invention
  • 12 is a perspective view of a guide portion wind blade according to a sixth embodiment of the present invention.
  • Example 1 (see FIGS. 1 to 5)
  • the buoyancy windmill 1 As shown in FIGS. 1 to 5, the buoyancy windmill 1 according to the first embodiment of the present invention is roughly divided into a rotating body 2, a housing 3, and a vertical rotating shaft support 5. It is composed.
  • the buoyancy windmill 1 is vertically installed on the vertical axis of rotation 21, the lower portion of the vertical axis of rotation 21, the vertical axis of rotation 21 in the center
  • a buoyancy body 22 directly fixed to support the weight of the vertical rotation shaft 21, a housing 3 filled with a fluid capable of floating the buoyancy body 22 using buoyancy, and the housing 3 It is installed perpendicular to the side wall of the vertical rotation shaft support portion 5 for supporting the vertical axis of rotation (21) at a predetermined position, and the vertical axis of rotation coupled to the vertical axis of rotation (21) to the rotational force according to the wind power of the vertical axis of rotation (21) Consists of windmill wings 23 for delivery to.
  • the windmill wing 23 has a flat portion 231 is formed on one surface so as to receive the wind directly, and a set of protrusions (minimize the resistance of the wind generated when rotating on the surface corresponding to the flat portion 231) 232 is formed.
  • the windmill wings 23 are fixed to the vertical rotation shaft 21.
  • the windmill wings may be formed of a hollow metal material, and may be welded or screwed to the vertical rotation shaft 21, or may be formed in a cup shape.
  • the vertical rotation shaft 21 is made of a metal material, it is also possible to form a synthetic resin material.
  • An upper matching part 211 and a lower matching part 212 are formed in the vertical rotation shaft 21, and are matched with the upper fixing hole 10 and the lower matching hole 11 of the vertical rotation shaft support part 5 to be described later. .
  • the vertical shaft support 5 includes an inner ring 421 having an upper bearing 8 and an upper fixing hole 10 formed in the upper bearing 8, the inner ring 421 and a plurality of ribs 423.
  • An upper ring 42 having an outer ring 422 connected to it;
  • An inner ring 421 having a lower bearing 9 and a lower mating hole 11 formed in the lower bearing 9, and an outer ring 422 connected to the inner ring 421 and a plurality of ribs 423.
  • a lower ring 41 provided with; A plurality of rotating rods 43 connecting the outer ring 422 of the upper ring 42 and the outer ring 422 of the lower ring 41; Interposed between the rotating rod 43, the outer ring 422 of the upper ring 42 and the outer ring 422 of the lower ring 41 is composed of a plurality of support rods 45.
  • the buoyancy body 22 has a first fixing groove 315 is formed in the upper surface portion 22-1, so as to raise the rotating body 2 according to the level of the fluid filled in the housing (3). Air tightly fixed to the lower portion of the vertical axis of rotation (21) to move or support downward. Antifreeze may be used as the fluid to prevent freezing at low temperatures.
  • the buoyancy body 22 is preferably configured as a cylindrical tank having an empty vacuum state, and any structure capable of supporting or moving upwardly the rotating body 2 by floating in a fluid It is possible.
  • the housing 3 is formed of a synthetic resin material and is formed by fusion or adhesion of the housing cover 32 to an upper portion of the tank 31 in which fluid is filled therein.
  • the housing cover 32 of the housing 3 includes the The through hole 322 is formed so that the vertical rotation shaft 21 penetrates, and an upper surface portion 22-1 of the buoyancy body 22 in which the vertical rotation shaft 21 introduced through the through hole 322 is accommodated in the housing.
  • An outlet 312 having an inlet 311 and a check valve is provided on an outer surface of the housing 3, and the tank 31 is filled with fluid at a predetermined height through the inlet 311.
  • the fluid is used as an antifreeze, and can be replaced by the inlet 311 and the outlet 312 so that the water can be filled according to the change of temperature according to the season.
  • a supporting rod 45 for supporting the vertical axis of rotation support 5 is installed on the side wall of the housing 3.
  • the rotor 2 floats on the fluid filled in the housing 3 by buoyancy, the self-weight of the rotor 2 may be canceled by the buoyancy, and the rotation of the rotor 2
  • the inertial force of the fluid caused by the rotation of the buoyancy body 22 according to it can further increase the rotational force of the rotating body (2).
  • the buoyancy windmill 1 according to the second embodiment of the present invention is similar to the buoyancy windmill 1 according to the first embodiment, and differs from the first embodiment according to the embodiment of the present invention.
  • the vertical axis of rotation 21 of the buoyancy windmill 1 according to Example 2 passes through the buoyancy body 22, but does not penetrate the bottom surface of the housing 3.
  • the buoyancy windmill 1 according to the third embodiment of the present invention is similar to the buoyancy windmill 1 according to the first embodiment of the present invention, and the present invention is different from the first embodiment.
  • the lower part of the buoyancy body 22 of the buoyancy windmill 1 according to the third embodiment of the auxiliary axis of rotation and the central axis of rotation of the vertical rotation axis 21 is further configured.
  • the buoyancy windmill 1 according to the fourth embodiment of the present invention is similar to the buoyancy windmill 1 according to the first embodiment of the present invention, and is different from the first embodiment.
  • the vertical axis of rotation 21 of the buoyancy windmill 1 according to the fourth embodiment of the present invention penetrates the buoyancy body 22 and penetrates the bottom surface of the housing 3.
  • the housing 3 has a groove portion 313 having a perforated structure having a locking step 313a at its bottom portion, and the groove portion 313 has a leakage preventing retainer 314 and a housing bearing 315 'sequentially. ) Is fastened and fixed, and rotates in conjunction with the vertical rotation shaft 21 to prevent the filled fluid from leaking to the outside.
  • the inner circumference of the housing bearing 315 ′ is provided with a second matching groove 315a corresponding to the lower matching portion 212, and the vertical rotation shaft 21 penetrates through the buoyancy body 22. Guided by the housing bearing 315 'is moved up and down, and rotates in conjunction with each other by wind.
  • the buoyancy windmill 1 according to the fifth embodiment of the present invention is similar to the buoyancy windmill 1 according to the first embodiment of the present invention, which is different from the first embodiment of the present invention.
  • the plurality of windmill blades 23 of the buoyancy windmill 1 according to the fifth embodiment are fixed to the upper and lower horizontal frames 6 and 7 by welding or screwing, and are curved portions that are bent in opposite directions at both ends in the shape of ⁇ . Is formed, the bent portion is made to be different from each other, it is configured to minimize the resistance of the wind generated when rotating.
  • the wind acting on the windmill blades 23 is modified to have a direction similar to the rotational direction of the plurality of windmill blades 23 to the whirlwind. It can be shaped.
  • the thrust and the torque of the windmill blade 23 can be improved as well as the output coefficient.
  • the low wind speed which was not previously available for wind power generation, can be used for wind power generation, and the utilization rate and utilization rate of the wind power generation facility can be improved, thereby reducing the cost of producing unit power.
  • the buoyancy windmill 1 according to the sixth embodiment of the present invention is similar to the buoyancy windmill 1 according to the first embodiment of the present invention, and is different from the first embodiment according to the present invention.
  • the buoyancy windmill 1 according to the sixth embodiment of the wind induction unit 4 is further configured on the vertical rotation shaft 21.
  • the wind induction part 4 is supported by the support rod 45 while surrounding the periphery of the rotating body 2 in which the windmill wings 23 are installed, and a plurality of wind induction wings 44 are installed on the outer circumference.
  • the wind induction part 4 is the wind induction wing 44 of the bent structure is installed to be hinged to the rotary rod 43 of the vertical rotary shaft support 5, and each of the rotary rod 43 and the The support rods 45 are connected to each other and are installed in a pair of upper and lower portions, and are configured of a plurality of cylinders 46 for rotating the wind guide vanes 44.
  • the cylinder 46 is electrically connected to the outside and driven by a signal controlled by an operator, welded or screwed to the rotary rod 43 and the support rod 45, and the piston of the cylinder 46 461 is welded to the inner side of the wind guide vanes 44, and alternatively it is possible to hinge the end of the piston 461 so as to pivot on the inner side of the wind guide vanes 44.
  • the wind guide vane 44 in order to prevent the wind guide vane 44 unfolded by the wind pressure caused by strong winds such as a storm, the wind guide vane 44 is folded by driving the cylinder 46 during a strong wind, and when the storm is released Unfolding again to induce the outside wind to the inside.
  • the wind guide vane 44 is formed in a bent structure, to guide the wind along the bent inner surface, the wind passes along the bent outer surface in the folded state.
  • the upper and lower horizontal frames are used, but it is also possible to use only the lower horizontal frames.
  • the housing housing the fluid is illustrated as a synthetic resin material, but a variety of materials can be used, and by using a water tank configured in the form of a dock, one housing for each buoyancy windmill, a plurality of It is also possible to collectively install a buoyancy windmill, in which case the vertical axis of rotation support may be connected to the dock, and the axis of rotation of the vertical axis may be supported wherever it provides support.

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  • Engineering & Computer Science (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)
  • Wind Motors (AREA)

Abstract

La présente invention concerne une éolienne flottante et plus spécifiquement une éolienne flottante qui comprend des structures améliorées pour un réservoir d'eau et un corps flottant, qui peut être installée facilement et économiquement dans n'importe quel endroit tel que sur terre, sur mer ou sur un lac, etc. et qui peut produire une force de rotation importante même avec une force de vent relativement faible. L'éolienne flottante selon la présente invention comprend: un axe de rotation vertical tournant sous l'effet de la force du vent; un corps flottant comportant une partie centrale reliée et fixée perpendiculairement sur l'axe de rotation vertical pour ainsi supporter directement le poids de l'axe de rotation vertical; un corps formé dans un cylindre creux afin de pouvoir stocker un fluide utilisé pour faire flotter le corps flottant; un support d'axe de rotation vertical placé au niveau d'un endroit prédéterminé sur l'axe de rotation vertical qui est relié et fixé perpendiculairement sur le corps flottant, pour ainsi supporter un axe central de rotation de l'axe de rotation vertical; et des ailettes reliées et fixées sur l'axe de rotation vertical, pour ainsi transférer une force de rotation générée par la force du vent sur l'axe de rotation vertical. Avec une structure physique simple, l'éolienne selon la présente invention est économique et peut être installée facilement dans n'importe quel endroit.
PCT/KR2009/007848 2008-12-26 2009-12-28 Éolienne flottante Ceased WO2010074545A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2008-0134234 2008-12-26
KR20080134234 2008-12-26
KR10-2009-0131479 2009-12-28
KR1020090131479A KR20100076915A (ko) 2008-12-26 2009-12-28 부력풍차

Publications (2)

Publication Number Publication Date
WO2010074545A2 true WO2010074545A2 (fr) 2010-07-01
WO2010074545A3 WO2010074545A3 (fr) 2010-09-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/007848 Ceased WO2010074545A2 (fr) 2008-12-26 2009-12-28 Éolienne flottante

Country Status (1)

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WO (1) WO2010074545A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10202622B2 (en) 2014-07-22 2019-02-12 Iogen Corporation Process for producing fuel using two fermentations
US10619173B2 (en) 2014-07-22 2020-04-14 Iogen Corporation Process for using biogenic carbon dioxide derived from non-fossil organic material
US11434509B2 (en) 2014-12-08 2022-09-06 Iogen Corporation Process for using biogenic carbon dioxide derived from non-fossil organic material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100381614B1 (ko) * 1999-04-29 2003-04-26 한주학 바람 유도체가 부착되어 횡 또는 종으로 회전하는 수직축형 부력풍차
US7235893B2 (en) * 2005-04-14 2007-06-26 Platt Michael D Reduced friction wind turbine apparatus and method
KR20070076888A (ko) * 2006-01-20 2007-07-25 김세웅 부력부재를 이용한 수력 및 풍력 발전장치

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10202622B2 (en) 2014-07-22 2019-02-12 Iogen Corporation Process for producing fuel using two fermentations
US10619173B2 (en) 2014-07-22 2020-04-14 Iogen Corporation Process for using biogenic carbon dioxide derived from non-fossil organic material
US10640793B2 (en) 2014-07-22 2020-05-05 Iogen Corporation Process for using biogenic carbon dioxide derived from non-fossil organic material
US10894968B2 (en) 2014-07-22 2021-01-19 Iogen Corporation Process for producing fuel using three fermentations
US10894969B2 (en) 2014-07-22 2021-01-19 Iogen Corporation Process for producing fuel using two fermentations
US11434509B2 (en) 2014-12-08 2022-09-06 Iogen Corporation Process for using biogenic carbon dioxide derived from non-fossil organic material

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