FR3036371A1 - FLOATING STRUCTURE ALLOWING THE TOWING OF OFFSHORE WIND TURBINES ON THEIR DEEP SEA OPERATING SITE, EQUIPPED WITH ALL THEIR EQUIPMENT, READY TO OPERATE - Google Patents

FLOATING STRUCTURE ALLOWING THE TOWING OF OFFSHORE WIND TURBINES ON THEIR DEEP SEA OPERATING SITE, EQUIPPED WITH ALL THEIR EQUIPMENT, READY TO OPERATE Download PDF

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FR3036371A1
FR3036371A1 FR1501074A FR1501074A FR3036371A1 FR 3036371 A1 FR3036371 A1 FR 3036371A1 FR 1501074 A FR1501074 A FR 1501074A FR 1501074 A FR1501074 A FR 1501074A FR 3036371 A1 FR3036371 A1 FR 3036371A1
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float
ballast
floating structure
equipment
column
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FR1501074A
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FR3036371B1 (en
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Jean Pierre Compagnon
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Classifications

    • 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
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • 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 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • B63B77/10—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators
    • 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
    • F03D13/25—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 
    • 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
    • B63B2001/044—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type
    • 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
    • B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

Cette présente invention concerne une structure flottante de conception très légère et très stable destinées à supporter des éoliennes offshore (1) ou tout autre équipement, remorquable en position verticale depuis leur site de fabrication jusqu'à leur site de fonctionnement en mer profonde avec tout leur équipement en tête et, ceci, grâce à son faible tirant d'eau, se libérant ainsi de tout moyens de manutention lourds et onéreux en mer ouverte. Cette structure est caractérisée par le fait que le flotteur (2): - en version émergée, fig.1, permet le remorquage en position verticale de son site de fabrication à son site définitif avec tout son équipement prêt à fonctionner, la stabilité étant assurée par un lest permanent (4) situé sous le flotteur par l'intermédiaire d'une colonne balastable (3). - en version immergée, fig.1 bis, par ballastage (5) de la colonne et d'une partie du flotteur (6) par des pompes (7) situées dans la partie vide du flotteur, permet de donner à l'ensemble une bonne stabilité et d'assurer à l'éolienne de fonctionner dans des conditions de mer fixées par le cahier des charges de l'exploitant. - En version immergée fig. 2bis, le lest étant descendu plus profondément au moyen d'un système à coulisse actionné par un mécanisme soit à crémaillère soit par frein pneumatique ou hydraulique ou partreuils ou autre mécanisme adapté, permet d'améliorer la stabilité dans des conditions de mer plus sévères.The present invention relates to a floating structure of very light and very stable design intended to support offshore wind turbines (1) or any other equipment, towable in a vertical position from their manufacturing site to their site of operation in the deep sea with all their equipment in mind and, this, thanks to its shallow draft, thus freeing itself from any heavy and expensive handling equipment in the open sea. This structure is characterized by the fact that the float (2): - in emergent version, fig.1, allows the towing in vertical position of its manufacturing site to its final site with all its equipment ready to operate, stability being ensured by a permanent ballast (4) located under the float via a balastable column (3). - In submerged version, fig.1 bis, by ballasting (5) of the column and a portion of the float (6) by pumps (7) located in the empty portion of the float, allows to give the whole a good stability and to ensure the wind turbine to operate in sea conditions fixed by the specifications of the operator. - In submerged version fig. 2a, the ballast being lowered deeper by means of a sliding system actuated by a rack mechanism or by pneumatic or hydraulic brake or partreuils or other suitable mechanism, improves the stability in harsher sea conditions.

Description

1 Structure flottante en mer profonde, permettant le remorquage d'éoliennes offshore sur leur site de fonctionnement avec tout leur équipement prêt à fonctionner. La présente invention concerne une structure flottante permettant le transport d' éoliennes ou tout autre équipement de leur site de fabrication jusque sur leur site d' exploitation sans passer par l'installation des équipements en pleine mer permettant ainsi de s'affranchir de moyens de levage extrêmement onéreux.1 Deep sea floating structure, allowing the towing of offshore wind turbines at their operating site with all their equipment ready for operation. The present invention relates to a floating structure allowing the transport of wind turbines or other equipment from their manufacturing site to their operating site without going through the installation of equipment in the open sea thus eliminating lifting means. extremely expensive.

Ce type de structure est inspirée d'un brevet déjà déposé par son inventeur Jean-Pierre Compagnon: - en France, enregistrement national N° 83 01521, du 1er février 1983 - en Angleterre, UK Patent Application N° 85 01244, du 18 janvier 1985 Ces brevets ne permet pas le transport de la totalité des équipements du fait d'un 10 tirant d'eau trop important. L'originalité de l'invention est de se servir du flotteur en flottaison (version émergée) limitant ainsi le tirant d'eau en permettant ainsi le transport de tous les équipements sur son site définitif de production. Arrivé sur le site , la colonne, support du lest fixe, est ballastée ainsi qu'une partie du 15 volume du flotteur afin de ramener le flotteur à la profondeur voulue ( version immergée). Pour améliorer la stabilité, si nécessaire, il est encore possible de prévoir un mécanisme de descente du lest à un niveau inférieur par un système de coulisse actionné par une crémaillère soit par un frein hydraulique ou pneumatique ou tout autre système adapté. 20 Suivant une caractéristique préférentielle de l'invention, la structure sera constituée d'un flotteur associé à une colonne ballastable de faible longueur (10 à 20 mètres) supportant un lest fixe de forme indifférente et constitué d'un métal lourd ou tout autre matière, le faible tirant d'eau permettant sa construction à partir d'un quai de profondeur moyenne et son transport en position verticale jusqu'à son site 25 définitif Citons comme exemple, un site de fabrication possédant un quai profond de 12 mètres. Dans ce cas, la longueur de la colonne lest pourra être de 10 mètres. L'étude de l'ensemble de la structure, pourra alors déterminer le volume du flotteur, par exemple de 4000 M3 associé à un lest permanent par exemple de 1500 tonnes. 30 Le -a serait de 2,40 mètres, suffisant pour assurer la stabilité pendant le remorquage de la structure avec tout son équipement en tête. Suivant une autre caractéristique préférentielle de l'invention, la colonne lest sera ballastée ainsi qu'une partie du volume du flotteur, une fois l'opération d'ancrage terminée afin d'immerger le flotteur à une profondeur suffisante, hors de l'effet de la 35 houle (15 à 20 mètre en moyenne). A titre d'exemple, pour une profondeur de 20 mètres, le -a serait de 7,8 mètres, le système d'ancrage du flotteur pouvant être un système caténaire par chaines ou par câbles tendus. Suivant une caractéristique préférentielle de l'invention le lest pourra être descendu 40 plus profondément, si nécessaire, afin d'améliorer la stabilité. Dans ce cas, la descente du lest pourra être assurée par un mécanisme comme un système à coulisse actionné soit par crémaillère soit par un frein hydraulique ou pneumatique ou tout autre système adapte. Une autre possibilité de descente du lest pourra être assurée par des treuils intégrés 45 dans le mat support de l'éolienne. Cette opération devra être effectuée par mer calme. 3036371 2 Afin de bien comprendre l'invention, la figure 1 représente la structure en phase de remorquage, avec son flotteur émergé (2) associé à sa colonne-lest (3) et son lest fixe de forme indifférente et constitué d'un métal lourd ou tout autre matière . Dans cette configuration, le tirant d'eau étant très faible, la structure peut être 5 remorquée sur son site définitif avec tout son équipement prêt à fonctionner. La figure 1 bis représente la structure sur son site d'exploitation, ancrée en mer profonde, le flotteur étant immergé par ballastage de la colonne-lest (5) ainsi que par une partie du volume du flotteur (6) ( l'eau de ballastage dans la colonne-lest n'étant pas suffisante pour amener le flotteur dans sa position immergée défmitive).This type of structure is inspired by a patent already filed by its inventor Jean-Pierre Compagnon: - in France, national registration No. 83 01521, of February 1, 1983 - in England, UK Patent Application No. 85 01244, January 18 1985 These patents do not allow the transport of all the equipment because of a too large draft. The originality of the invention is to use the floating float (emergent version) thus limiting the draft allowing the transport of all equipment on its final production site. Arrived at the site, the column, support of the fixed ballast, is ballasted and a portion of the volume of the float to bring the float to the desired depth (immersed version). To improve the stability, if necessary, it is still possible to provide a lower ballast lowering mechanism by a sliding system operated by a rack or by a hydraulic or pneumatic brake or any other suitable system. According to a preferred feature of the invention, the structure will consist of a float associated with a ballastable column of short length (10 to 20 meters) supporting a fixed ballast indifferent form and consisting of a heavy metal or any other material , the shallow draft allowing its construction from a medium depth wharf and its transport in a vertical position to its final site. Let us give as an example a manufacturing site with a 12 meter deep dock. In this case, the length of the column ballast may be 10 meters. The study of the entire structure, can then determine the volume of the float, for example 4000 M3 associated with a permanent ballast, for example 1500 tons. 30 The -a would be 2.40 meters, enough to provide stability while towing the structure with all its equipment in mind. According to another preferred feature of the invention, the ballast column will be ballasted and a part of the float volume, once the anchoring operation is completed in order to immerse the float to a sufficient depth, out of the effect. the swell (15 to 20 meters on average). For example, for a depth of 20 meters, the -a would be 7.8 meters, the anchoring system of the float can be a catenary system by chains or by tensioned cables. According to a preferred feature of the invention the ballast may be lowered deeper, if necessary, to improve stability. In this case, the descent of the ballast may be provided by a mechanism such as a sliding system actuated either by rack or by a hydraulic or pneumatic brake or any other suitable system. Another possibility of descent of the ballast may be provided by integrated winches 45 in the support mat of the wind turbine. This operation must be carried out by calm sea. In order to understand the invention, FIG. 1 represents the structure in the towing phase, with its emergent float (2) associated with its ballast column (3) and its fixed ballast of indifferent shape and made of a metal heavy or any other material. In this configuration, the draft being very low, the structure can be towed to its final site with all its equipment ready for operation. Figure 1a shows the structure on its operating site, anchored in the deep sea, the float being immersed by ballasting the column-ballast (5) and by a part of the volume of the float (6) (the water of ballast in the ballast column not being sufficient to bring the float into its submerged final position).

Les pompes de ballastage (7) situées dans la partie vide du flotteur permettent la mise en eau de la colonne lest ainsi qu'une partie du volume du flotteur. Les figure 2 et 2bis représentent la même structure mais avec son lest descendu plus profondément par un système à coulisse (8) actionné par crémaillère ou par treuils ou plus simplement par frein hydraulique ou pneumatique ou tout autre système adapté.The ballast pumps (7) located in the empty portion of the float allow the watering of the ballast column and a portion of the volume of the float. Figures 2 and 2bis show the same structure but with its ballast descended deeper by a sliding system (8) operated by rack or winches or more simply by hydraulic or pneumatic brake or any other suitable system.

Au cours de la descente du lest, une partie du volume de la colonne lest sera ballastée(9) afin de garder constant la profondeur d'immersion du flotteur et, ainsi, ne pas interrompre le fonctionnement de l'éolienne figure 2bis. Ce lest, descendu plus profondément, permettra de de supporter des conditions de mer encore plus sévères du fait de l'amélioration de de la stabilité caractérisée par une 20 meilleure valeur de son -a (différence entre le centre de poussée et le centre de gravité)During the descent of the ballast, a portion of the volume of the ballast column will be ballasted (9) in order to keep constant the depth of immersion of the float and, thus, do not interrupt the operation of the wind turbine Figure 2bis. This ballast, descended more deeply, will allow to withstand even more severe sea conditions due to the improvement of the stability characterized by a better value of its -a (difference between the center of thrust and the center of gravity). )

Claims (6)

REVENDICATIONS1.- Structure flottante, support d'éolienne (1), caractérisée par un ensemble de pièces métalliques de faible tirant d'eau, constituée d'au moins un flotteur (2) en partie ballastable associé à une colonne ballastable (3) de faible longueur, (entre 10 et 20 mètres), supportant un lest fixe (4), cette structure permettant de par son faible tirant 5 d'eau de transporter l'ensemble éolien (1), ou tout autre équipement en position verticale, prêt à fonctionner, jusqu'à son site opérationnel.CLAIMS1.- Floating structure, wind turbine support (1), characterized by a set of metal parts of low draft, consisting of at least one float (2) partly ballastable associated with a ballastable column (3) of short length, (between 10 and 20 meters), supporting a fixed ballast (4), this structure allowing for its low pulling 5 water to transport the wind ensemble (1), or any other equipment in a vertical position, ready to operate, up to its operational site. 2.- Structure flottante selon la revendication 1, caractérisée en ce que, arrivée sur le site de production, la colonne (3) support du lest fixe (4) ainsi qu'une partie du flotteur sont ballastés (5-6) afin d'immerger le flotteur entre 15 et 20 mètres 10 en dessous de la surface de l'eau dans sa position définitive de fonctionnement, assurant ainsi sa stabilité dans des conditions de mer fixées par le cahier des charge de l'exploitant.2. Floating structure according to claim 1, characterized in that, arriving at the production site, the column (3) support of the fixed ballast (4) and a portion of the float are ballasted (5-6) in order to immerse the float between 15 and 20 meters below the surface of the water in its final operating position, thus ensuring its stability in sea conditions set by the specifications of the operator. 3.- Structure flottante selon la revendication 2, caractérisée en ce qu'elle comporte un mécanisme(8) de descente du lest qui peut être un système soit hydraulique 15 ou pneumatique, soit à crémaillère ou tout autre système adapté, permettant d'améliorer encore la stabilité, donc le rendement de l'éolienne dans des conditions de mer plus sévères.3. Floating structure according to claim 2, characterized in that it comprises a mechanism (8) for lowering ballast which can be a system is hydraulic or pneumatic or rack or any other suitable system, to improve still the stability, therefore the efficiency of the wind turbine in more severe sea conditions. 4.- Structure flottante selon la revendication 3, caractérisée en ce que la descente du lest est actionnée par des treuils associés à des poulies de renvoi ou des 20 vérins, les treuils pouvant par la suite être démontés pour servir à d'autres installations.4. Floating structure according to claim 3, characterized in that the descent of the ballast is actuated by winches associated with return pulleys or jacks, the winches can subsequently be disassembled for use in other facilities. 5.- Structure flottante selon la revendication let 3, caractérisée en ce que des pompes de ballastage(7), situées dans la partie vide du flotteur, servent à ballaster (9) la la colonne lest et une partie du flotteur afin d'assurer une immersion constante du flotteur au cours du fonctionnement de l'éolienne. 255.- floating structure according to claim 3, characterized in that ballast pumps (7), located in the empty portion of the float, serve to ballast (9) the ballast column and a portion of the float to ensure a constant immersion of the float during the operation of the wind turbine. 25 6.- Structure flottante selon la revendication 1 à 5, caractérisée en ce que le lest fixe (4) de forme indifférente est constitué d'un métal lourd ou tout autre matière.6. Floating structure according to claim 1 to 5, characterized in that the fixed ballast (4) of indifferent form consists of a heavy metal or other material.
FR1501074A 2015-05-22 2015-05-22 FLOATING STRUTURE ALLOWING THE TOWING OF OFFSHORE WIND TURBINES ON THEIR DEEP SEA OPERATING SITE, EQUIPPED WITH ALL THEIR EQUIPMENT, READY TO OPERATE Expired - Fee Related FR3036371B1 (en)

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FR1501074A FR3036371B1 (en) 2015-05-22 2015-05-22 FLOATING STRUTURE ALLOWING THE TOWING OF OFFSHORE WIND TURBINES ON THEIR DEEP SEA OPERATING SITE, EQUIPPED WITH ALL THEIR EQUIPMENT, READY TO OPERATE

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FR1501074A FR3036371B1 (en) 2015-05-22 2015-05-22 FLOATING STRUTURE ALLOWING THE TOWING OF OFFSHORE WIND TURBINES ON THEIR DEEP SEA OPERATING SITE, EQUIPPED WITH ALL THEIR EQUIPMENT, READY TO OPERATE

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NO20190847A1 (en) * 2019-07-04 2021-01-05 Newtech As A floating foundation for an offshore wind turbine, a system for extracting energy from wind, and a method of installing a wind turbine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396126A1 (en) * 1977-06-30 1979-01-26 Emh ARTICULATED COLUMN SYSTEM FOR SEA BOTTOM EXPLOITATION ESPECIALLY IN FREEZING SEAS
EP1228310A1 (en) * 1999-11-11 2002-08-07 Yrjö Rinta-Jouppi Method and system for installing and transporting an offshore wind power station at sea
US20040169376A1 (en) * 2001-07-06 2004-09-02 Jacques Ruer Offshore wind turbine and method for making same
WO2010110330A1 (en) * 2009-03-24 2010-09-30 戸田建設株式会社 Offshore wind power generator and construction method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396126A1 (en) * 1977-06-30 1979-01-26 Emh ARTICULATED COLUMN SYSTEM FOR SEA BOTTOM EXPLOITATION ESPECIALLY IN FREEZING SEAS
EP1228310A1 (en) * 1999-11-11 2002-08-07 Yrjö Rinta-Jouppi Method and system for installing and transporting an offshore wind power station at sea
US20040169376A1 (en) * 2001-07-06 2004-09-02 Jacques Ruer Offshore wind turbine and method for making same
WO2010110330A1 (en) * 2009-03-24 2010-09-30 戸田建設株式会社 Offshore wind power generator and construction method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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NO20190847A1 (en) * 2019-07-04 2021-01-05 Newtech As A floating foundation for an offshore wind turbine, a system for extracting energy from wind, and a method of installing a wind turbine
WO2021002760A1 (en) * 2019-07-04 2021-01-07 Newtech As A floating foundation for an offshore wind turbine, a system for extracting energy from wind, and a method of installing a wind turbine
NO346752B1 (en) * 2019-07-04 2022-12-12 Newtech As A floating foundation for an offshore wind turbine, a system for extracting energy from wind, and a method of installing a wind turbine
AU2020300343B2 (en) * 2019-07-04 2024-02-22 Newtech As A floating foundation for an offshore wind turbine, a system for extracting energy from wind, and a method of installing a wind turbine

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