WO2002052150A1 - Mast construction and erection method for offshore installation - Google Patents
Mast construction and erection method for offshore installation Download PDFInfo
- Publication number
- WO2002052150A1 WO2002052150A1 PCT/NL2001/000932 NL0100932W WO02052150A1 WO 2002052150 A1 WO2002052150 A1 WO 2002052150A1 NL 0100932 W NL0100932 W NL 0100932W WO 02052150 A1 WO02052150 A1 WO 02052150A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mast
- mast construction
- construction
- installation
- water
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
- B63B1/048—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with hull extending principally vertically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B35/4406—Articulated towers, i.e. substantially floating structures comprising a slender tower-like hull anchored relative to the marine bed by means of a single articulation, e.g. using an articulated bearing
-
- 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
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- 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
- F03D13/22—Foundations specially adapted for wind motors
-
- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind turbines
-
- 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
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
- F05B2230/6102—Assembly methods using auxiliary equipment for lifting or holding carried on a floating platform
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a mast construction according to the precharacterising clause of Claim 1.
- a mast construction of this type is disclosed in US Patent 3 092 852.
- the latter publication discloses an observation station, constructed in the form of a pipe, for earthquakes. This pipe is provided with ballast at the bottom and designed to be placed in the sea such that it floats. With this arrangement the installation contains an observation post. It has been found that substantial forces act on the mast construction, in particular if such an installation is used offshore. Mast constructions of this type are therefore of relatively heavyweight construction.
- the aim of the present invention is to be able to make such a mast construction of lighter weight, it being guaranteed that there is adequate strength under all conditions, that is to say that the device is always held in the correct position by that part of the mast construction that is below the water surface.
- any resulting loss of strength caused by the smaller diameter of the mast construction can be compensated for in that tensioning members, such as cables, extend between the adjacent parts, always at the outer periphery thereof.
- tensioning members such as cables
- These tensioning members have high strength and a small surface area on which waves and the like can act.
- a stable construction can be obtained in this way. It is also possible to construct the intermediate part with approximately the same periphery as the parts adjoining the latter, but to provide large openings, as a result of which the surface area on which waves can act is reduced. That is to say, the effective periphery is locally reduced. With this arrangement it is possible to make the intermediate part of a material which has improved mechanical properties, compared with the surrounding parts.
- stabilisers For transport by sea it can be desirable to provide stabilisers in order to prevent "rolling" of the mast construction.
- Such stabilisers can be weights, fins and the like and are generally known per se in the state of the art.
- the mast construction is provided with connecting points for anchor cables or anchor chains. These are preferably arranged on platforms with which the mast construction is provided.
- the mast construction can also be provided with movement compensators which in the raised position are effective in heavy weather.
- a platform is first provided that is anchored in some way or other to the seabed. This can be effected by providing the platform with legs which bear on the seabed (sinkable platform) or by using anchor constructions such as a spar construction in order to fix the platform in position.
- the invention relates to the latter variant. With such a construction the part that extends below sea level will in general be provided with a weight in order to provide the necessary stability.
- the previously produced mast construction is then installed on the floating platform.
- the turbine blade which may or may not be provided with the generator, is fitted to the end of the mast construction at the same time or later on.
- a further aim of the present invention is to provide a wind turbine which can be installed in a less expensive and simpler manner, as a result of which the costs for generating energy are lowered, and the maintenance or overhaul of which can also be carried out more easily and less expensively.
- the mast construction is so constructed that it can be transported in the horizontal position, that is to say lying down, to the installation site.
- the blades/generator are then- fitted on site. It is also possible to fit these beforehand.
- the mast construction is then moved from the horizontal position into the desired vertical position by means of fitting a weight. A large expensive crane is not needed for this purpose.
- British Patent 2 344 843 A discloses a foldable mast construction for a windmill. With this construction the bottom part of the mast construction is fixed to the seabed.
- the mast construction is provided with liquid-tight compartments, that is to say the mast is itself able to float on the surface of the sea. Consequently it is not necessary to transport the mast construction on a specialist vessel.
- the shape of the mast can be optimised for towing over water.
- the invention also relates to a method for installing a windmill on water, comprising transporting a mast construction to the installation site and anchoring said mast construction at that site, transport comprising moving said mast construction in the horizontal position floating in the water and bringing said mast construction into the vertical position at the installation site.
- Fig. 1 shows, diagrammatically, the mast construction according to the invention during transport to the installation site;
- Fig. 2 shows the mast construction according to the invention during erection; and Fig. 3 shows the mast construction according to the invention in the installed position.
- Fig. 1 the mast construction according to the present -invention- is indicated in its entirety by 1.
- This mast construction is floating on the surface 20 of the sea.
- the mast construction 1 consists of a first end 2 and a second end 3.
- the first end 2 is provided with a number of compartments 11, 12, 13 into which fluid, such as seawater, can be introduced and from which this fluid can be removed again.
- Such compartments are also present in the second end 3.
- An intermediate part 4 is arranged between the first end 2 and the second end 3. This intermediate part is delimited by the platforms 5 and 6.
- the intermediate part 4 has an appreciably smaller cross-section than the adjoining platforms 5 and 6.
- a series of tensioning cables 7 extends between the adjoining platforms 5 and 6.
- the space delimited by this means can be closed off by removable partitions for transport, in order to increase the buoyancy.
- a fixing for a blade/generator assembly is indicated by 8, whilst 19 is the fixing end for a weight indicated diagrammatically by 14.
- a weight 9 is at the bottom of the mast construction and serves to stabilise the latter on the surface of the sea, that is to say prevents rolling.
- a centreboard 21 is present for the same purpose.
- a tug, by means of which the mast can be transported, is indicated diagrammatically by 10.
- a value of approximately 125 metres is given for the length of such a mast construction, the first part having a length of approximately 68 metres and the second part a length of approximately 40 metres and the intermediate part being approximately 17 metres long.
- the diameter of the second part is approximately 6 metres.
- the platforms 5 and 6 have a diameter of between 8 and 10 metres and the diameter of intermediate part 4 is approximately 2 metres.
- the weight 14 is fitted.
- the generator 18 and the turbine blade 17 are also fitted (Fig. 2).
- the mast construction is tilted at the same time or subsequently.
- the first stage of tilting is shown in Fig. 2.
- the final stage is shown in Fig. 3.
- the mast construction projects from the surface of the sea in the desired position.
- the intermediate part 4 which has an appreciably reduced surface area on which the waves can act, is located at the surface of the sea. The stress at this location is consequently less. Furthermore, movement compensators can be fitted.
- the mast construction is tilted back as shown in Fig. 2 and Fig. 1, respectively.
- the end of the first part 2 will then come to bear on a platform or the like in order to facilitate maintenance work on, for example, the generator 18.
- the weight 14 can be of a different construction and (partially) implemented with the aid of ballast tanks and the like. It is also possible for the wind turbine/generator assembly already to be fitted before transport by sea. These and further modifications fall within the scope of the appended claims.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01995075A EP1346154A1 (en) | 2000-12-22 | 2001-12-21 | Mast construction and erection method for offshore installation |
NO20032871A NO20032871L (en) | 2000-12-22 | 2003-06-20 | Mast construction and method of erecting the same, on an offshore installation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1016986A NL1016986C2 (en) | 2000-12-22 | 2000-12-22 | Mast construction and method for placing it. |
NL1016986 | 2000-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002052150A1 true WO2002052150A1 (en) | 2002-07-04 |
Family
ID=19772651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2001/000932 WO2002052150A1 (en) | 2000-12-22 | 2001-12-21 | Mast construction and erection method for offshore installation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1346154A1 (en) |
NL (1) | NL1016986C2 (en) |
NO (1) | NO20032871L (en) |
WO (1) | WO2002052150A1 (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003098038A1 (en) * | 2002-05-22 | 2003-11-27 | Sway As | A device for a wind power station placed in deep water |
EP1433699A1 (en) * | 2002-12-24 | 2004-06-30 | Bluewater Energy Services B.V. | Turret mooring apparatus for power plant |
WO2004097217A1 (en) * | 2003-04-28 | 2004-11-11 | Sway As | Wind power station |
WO2005021961A1 (en) | 2003-08-27 | 2005-03-10 | Norsk Hydro Asa | A wind turbine for use offshore |
EP1891328A1 (en) * | 2005-06-06 | 2008-02-27 | Norsk Hydro ASA | Floating wind turbine installation |
DE102007006011A1 (en) * | 2007-02-07 | 2008-08-21 | Manuel Ritter | Offshore pontoon i.e. floating system, for floating wind power plant, is installed independent of water depth to produce power from wind energy, where pontoon uses half-diver principle to provide stable platform for usage of wind power |
US7426897B2 (en) | 2002-09-18 | 2008-09-23 | Bluewater Energy Services Bv | Mooring apparatus |
WO2008114019A2 (en) * | 2007-03-22 | 2008-09-25 | Marine Current Turbines Limited | Deep water water current turbine installations |
WO2009010771A2 (en) * | 2007-07-18 | 2009-01-22 | Chambers Peter Ronaldo | Mountings |
FR2938305A1 (en) * | 2008-11-12 | 2010-05-14 | Olivier Christian Leopold Laffitte | AEROGENERATOR BIROTOR "IN V" BIPALS HAS OSCILLATING HUBS ON STRUCTURE LESTEE FLOTTANT TENDU |
US20100219645A1 (en) * | 2003-10-23 | 2010-09-02 | Oceanwind Technology, Llc. | Power generation assemblies and apparatus |
WO2010018359A3 (en) * | 2008-08-11 | 2010-12-16 | Statoilhydro Asa | Method and apparatus for towing offshore wind turbines |
US20110094428A1 (en) * | 2007-11-27 | 2011-04-28 | Lm Glasfiber A/S | Seaborne transportation of wind turbine blades |
WO2011051804A1 (en) * | 2009-10-27 | 2011-05-05 | Windflip As | Partially submersible wind turbine transport vessel |
WO2011083021A3 (en) * | 2010-01-07 | 2011-12-29 | Vestas Wind Systems A/S | Method of erecting a floating off-shore wind turbine and a floating off-shore wind turbine |
ES2378960A1 (en) * | 2010-09-22 | 2012-04-19 | Inneo Torres S.L. | Process for installing an offshore tower |
US8192160B2 (en) | 2010-09-01 | 2012-06-05 | General Electric Company | Wind turbine having variable height and method for operating the same |
WO2012103796A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏道达海上风电工程科技有限公司 | Vessel for transporting and installing wind turbine equipment and use of vessel |
WO2013048257A1 (en) * | 2011-09-29 | 2013-04-04 | Windel As | Floating wind turbine |
EP2604501A1 (en) * | 2011-12-15 | 2013-06-19 | Andreas Graf | System of anchoring and mooring of floating wind turbine towers and corresponding methods for towing and erecting thereof |
WO2012105846A3 (en) * | 2011-02-03 | 2013-08-15 | Sway As | Offshore wind turbine generator connection arrangement and tower system |
WO2014060420A1 (en) | 2012-10-15 | 2014-04-24 | Sereo Sas | V-shaped, bi-rotor wind generator on a spar floating structure |
ES2629867R1 (en) * | 2015-11-24 | 2017-10-19 | Antonio Luis GARCÍA FERRÁNDEZ | Anchoring system and procedure for floating marine platforms, which prevents pitching movement and allows to capture the energy of the waves |
CN107585268A (en) * | 2017-07-20 | 2018-01-16 | 山东中车风电有限公司 | Tension leg offshore floating type wind driven generator base |
WO2023187369A1 (en) * | 2022-03-29 | 2023-10-05 | Ultra Marine Energy Ltd | A wind turbine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092852A (en) | 1957-02-15 | 1963-06-11 | Robert F Devereux | Inherently stabilized deep sea floating observation stations |
FR1474652A (en) * | 1966-04-06 | 1967-03-24 | Cammell Laird And Company Ship | Floating maritime station |
US4703709A (en) * | 1983-04-21 | 1987-11-03 | Institut Francais Du Petrole | Modular system for the offshore production, storage and loading of hydrocarbons |
NL9300369A (en) * | 1993-02-26 | 1994-09-16 | Dirk Katarinus Verburgh | Liquid transporter |
WO1998029298A1 (en) * | 1996-12-31 | 1998-07-09 | Shell Internationale Research Maatschappij B.V. | Spar platform with vertical slots |
GB2344843A (en) | 1998-12-18 | 2000-06-21 | Neven Joseph Sidor | Gravity securing system for offshore generating equipment |
-
2000
- 2000-12-22 NL NL1016986A patent/NL1016986C2/en not_active IP Right Cessation
-
2001
- 2001-12-21 WO PCT/NL2001/000932 patent/WO2002052150A1/en not_active Application Discontinuation
- 2001-12-21 EP EP01995075A patent/EP1346154A1/en not_active Withdrawn
-
2003
- 2003-06-20 NO NO20032871A patent/NO20032871L/en not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092852A (en) | 1957-02-15 | 1963-06-11 | Robert F Devereux | Inherently stabilized deep sea floating observation stations |
FR1474652A (en) * | 1966-04-06 | 1967-03-24 | Cammell Laird And Company Ship | Floating maritime station |
US4703709A (en) * | 1983-04-21 | 1987-11-03 | Institut Francais Du Petrole | Modular system for the offshore production, storage and loading of hydrocarbons |
NL9300369A (en) * | 1993-02-26 | 1994-09-16 | Dirk Katarinus Verburgh | Liquid transporter |
WO1998029298A1 (en) * | 1996-12-31 | 1998-07-09 | Shell Internationale Research Maatschappij B.V. | Spar platform with vertical slots |
GB2344843A (en) | 1998-12-18 | 2000-06-21 | Neven Joseph Sidor | Gravity securing system for offshore generating equipment |
Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1944504A1 (en) * | 2002-05-22 | 2008-07-16 | Sway AS | Arrangement related to wind-driven power plants in deep water |
WO2003098038A1 (en) * | 2002-05-22 | 2003-11-27 | Sway As | A device for a wind power station placed in deep water |
US7156037B2 (en) | 2002-05-22 | 2007-01-02 | Sway As | Device for a wind power station placed in deep water |
US7426897B2 (en) | 2002-09-18 | 2008-09-23 | Bluewater Energy Services Bv | Mooring apparatus |
EP1433699A1 (en) * | 2002-12-24 | 2004-06-30 | Bluewater Energy Services B.V. | Turret mooring apparatus for power plant |
WO2004097217A1 (en) * | 2003-04-28 | 2004-11-11 | Sway As | Wind power station |
US7296971B2 (en) | 2003-04-28 | 2007-11-20 | Sway As | Wind power station |
WO2005021961A1 (en) | 2003-08-27 | 2005-03-10 | Norsk Hydro Asa | A wind turbine for use offshore |
US7456515B2 (en) | 2003-08-27 | 2008-11-25 | Norsk Hydro Asa | Wind turbine for use offshore |
US20100219645A1 (en) * | 2003-10-23 | 2010-09-02 | Oceanwind Technology, Llc. | Power generation assemblies and apparatus |
US9003631B2 (en) * | 2003-10-23 | 2015-04-14 | Shigeyuki Yamamoto | Power generation assemblies and apparatus |
EP1891328A4 (en) * | 2005-06-06 | 2011-04-27 | Norsk Hydro As | Floating wind turbine installation |
EP1891328A1 (en) * | 2005-06-06 | 2008-02-27 | Norsk Hydro ASA | Floating wind turbine installation |
DE102007006011A1 (en) * | 2007-02-07 | 2008-08-21 | Manuel Ritter | Offshore pontoon i.e. floating system, for floating wind power plant, is installed independent of water depth to produce power from wind energy, where pontoon uses half-diver principle to provide stable platform for usage of wind power |
WO2008114019A3 (en) * | 2007-03-22 | 2009-02-19 | Marine Current Turbines Ltd | Deep water water current turbine installations |
WO2008114019A2 (en) * | 2007-03-22 | 2008-09-25 | Marine Current Turbines Limited | Deep water water current turbine installations |
WO2009010771A3 (en) * | 2007-07-18 | 2009-07-23 | Peter Ronald Chambers | Mountings |
WO2009010771A2 (en) * | 2007-07-18 | 2009-01-22 | Chambers Peter Ronaldo | Mountings |
US20110094428A1 (en) * | 2007-11-27 | 2011-04-28 | Lm Glasfiber A/S | Seaborne transportation of wind turbine blades |
US8839733B2 (en) * | 2007-11-27 | 2014-09-23 | Lm Glasfiber A/S | Seaborne transportation of wind turbine blades |
CN102171446A (en) * | 2008-08-11 | 2011-08-31 | 斯塔特石油公开有限公司 | Method and apparatus for towing offshore wind turbines |
WO2010018359A3 (en) * | 2008-08-11 | 2010-12-16 | Statoilhydro Asa | Method and apparatus for towing offshore wind turbines |
US8770126B2 (en) | 2008-08-11 | 2014-07-08 | Statoil Asa | Method and apparatus for towing offshore wind turbines |
FR2938306A1 (en) * | 2008-11-12 | 2010-05-14 | Olivier Christian Leopold Laffitte | Dual rotor aerogenerator for forming offshore wind power plant, has rotors placed on stretched floating structure, where structure swivels around sleeve located above water surface, to orient upper part of structure opposite to wind |
FR2938305A1 (en) * | 2008-11-12 | 2010-05-14 | Olivier Christian Leopold Laffitte | AEROGENERATOR BIROTOR "IN V" BIPALS HAS OSCILLATING HUBS ON STRUCTURE LESTEE FLOTTANT TENDU |
EP2660141A1 (en) * | 2009-10-27 | 2013-11-06 | Windflip AS | Partially submersible wind turbine transport vessel |
WO2011051804A1 (en) * | 2009-10-27 | 2011-05-05 | Windflip As | Partially submersible wind turbine transport vessel |
JP2013508224A (en) * | 2009-10-27 | 2013-03-07 | ウィンドフリップ アーエス | Partially submersible wind turbine transport ship |
WO2011083021A3 (en) * | 2010-01-07 | 2011-12-29 | Vestas Wind Systems A/S | Method of erecting a floating off-shore wind turbine and a floating off-shore wind turbine |
US8192160B2 (en) | 2010-09-01 | 2012-06-05 | General Electric Company | Wind turbine having variable height and method for operating the same |
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Also Published As
Publication number | Publication date |
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NL1016986C2 (en) | 2002-07-01 |
NO20032871L (en) | 2003-08-22 |
EP1346154A1 (en) | 2003-09-24 |
NO20032871D0 (en) | 2003-06-20 |
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