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Energía eólica flotante

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FLOATING WIND TURBINE INSTALLATION ARRANGEMENT AND METHOD

NºPublicación:  EP4540131A1 23/04/2025
Solicitante: 
SEATWIRL AB [SE]
SeaTwirl AB
WO_2023244156_PA

Resumen de: WO2023244156A1

An installation arrangement comprising an elongated first floating structure having a first winch and a second winch spaced apart in a longitudinal direction; an elongated second floating structure having a first winch and a second winch spaced apart in the longitudinal direction; a joining structure attached to the first floating structure and the second floating structure, and holding the first floating structure and the second floating structure with an elongated open space therebetween; and the lower part of the wind turbine to be installed arranged in the elongated open space between the first floating structure and the second floating structure, wherein the bottom portion of the lower part of the wind turbine is releasably joined to each of the first winch and the second winch of the first floating structure and the first winch and the second winch of the second floating structure by respective winch lines.

SYSTEM FOR OFFSHORE PRODUCTION OF FUEL

NºPublicación:  EP4540176A2 23/04/2025
Solicitante: 
STENA POWER & LNG SOLUTIONS AS [NO]
Stena Power & Lng Solutions As
US_2024217830_PA

Resumen de: US2024217830A1

A method and system for the offshore production of fuel includes an offshore marine platform on which is mounted an ammonia production unit. The ammonia production unit may produce ammonia utilizing raw materials sourced adjacent the marine platform, including seawater and electricity from offshore wind turbines. The produced ammonia may be subsequently liquified and transported away from the marine platform, or conveyed to a remote location via a seabed pipeline. A portion of the hydrogen produced as part of the ammonia production process may be utilized to operate onboard combustion turbines that can in turn drive electric generators onboard the marine platform to produce electricity.

SYSTEM AND METHOD FOR WAVE PREDICTION

NºPublicación:  US2025123103A1 17/04/2025
Solicitante: 
RE VISION CONSULTING LLC [US]
Re Vision Consulting, LLC
US_2025123103_PA

Resumen de: US2025123103A1

A method and system for prediction of wave properties include collecting time-series data streams from one or more wave measurement devices and processing the data to identify data parameters to establish boundary conditions of a numerical model. The numerical model may be used to compute a predicted wave field of time-series data for a variety of wave properties at a target location.

FLOATING SYSTEMS FOR WIND TURBINES USING SEMI-SUBMERSIBLES

NºPublicación:  EP4536961A1 16/04/2025
Solicitante: 
TRENDSETTER VULCAN OFFSHORE INC [US]
Trendsetter Vulcan Offshore Inc
WO_2023244607_PA

Resumen de: WO2023244607A1

Delivery of a high volume of floating systems for wind turbines can involve the standard design of sections, such as "tubes" or "cans," comprising a rolled plate and ring stiffeners. The delivery can then involve the transportation of the sections in blocks to an assembly site that is closer to the planned installation point. The sections are used to manufacture semi-submersibles at the assembly site using a barge with cranes. The delivery can then involve the transportation of each of the semi-submersibles to a platform, such as a standard jack-up vessel or a crane jacket, near which the semi-submersible is temporarily attached to allow the installation of the Tower, the nacelle, and blades. Finally, the delivery involves the transportation of the completed wind turbine to the planned installation point, where it can be attached to a pile driven into the seafloor or moored during use.

LIFT SYSTEMS AND METHODS FOR LAUNCHING AND RECOVERING STRUCTURES IN A MARINE ENVIRONMENT

NºPublicación:  US2025115340A1 10/04/2025
Solicitante: 
BARDEX CORP [US]
BARDEX CORPORATION
WO_2025072519_PA

Resumen de: US2025115340A1

Systems and methods for assembling, launching, retrieving, and maintaining floating wind foundations including tower, nacelle, and blades with two-way operability are disclosed. The systems include a dock having a lift platform and a first plurality of chain jacks configured to lift and lower the lift platform. The lift platform has a width and length with a span sufficient to receive, lower, and lift a floating wind foundation. The lift platform includes an upper deck and a plurality of box truss girders supporting the upper deck. The box truss girders extend across the span of the width of the lift platform and are of sufficient strength to support a floating wind foundation.

SUBSEA FOUNDATIONS

NºPublicación:  WO2025073810A1 10/04/2025
Solicitante: 
SUBSEA 7 NORWAY AS [NO]
SUBSEA 7 NORWAY AS
WO_2025073810_PA

Resumen de: WO2025073810A1

A subsea foundation for anchoring a mooring line comprises a mooring base such as a chain that is simply laid upon the seabed in a straight, curved or looped configuration, hence extending across the seabed substantially parallel to the seabed. The mooring base is then anchored by one or more deadman anchors that are embedded in the seabed soil. For this purpose, one or more links extend through the soil to couple the mooring base to the or each deadman anchor. One or more mooring lines can then be coupled to the mooring base.

CONSTRUCTION METHOD FOR FLOATING OFFSHORE WIND POWER GENERATION FACILITY

NºPublicación:  WO2025075142A1 10/04/2025
Solicitante: 
TOA CORP [JP]
\u6771\u4E9C\u5EFA\u8A2D\u5DE5\u696D\u682A\u5F0F\u4F1A\u793E
WO_2025075142_PA

Resumen de: WO2025075142A1

An on-water structure 10 is temporarily installed in a sea area having a water depth of 8 m or more and 20 m or less, a plurality of work areas A are provided in a sea area adjacent to the on-water structure 10, and a plurality of sets of assembly components of a wind power generation device 3 are temporarily placed on the on-water structure 10. A self-elevating barge 30B anchored in an arbitrary work area A is used to perform assembly work in which an assembly body 9 is assembled by installing a set of assembly components onto a floating body 2 fixed to a water bottom SB of the work area A. The self-elevating barge 30B is moved from the work area A, in which the assembly work is finished, to another work area A, performs the assembly work with respect to the floating body 2 fixed to the water bottom SB of the work area A, and, in parallel with the assembly work, performs additional work with respect to the assembly body 9 for which the assembly work was finished earlier. As a result, it is possible to efficiently construct a floating offshore wind power generation facility in which the draft of the floating body moored in the installation-target sea area is 20 m or less, without the need to install a mounting base for the floating offshore wind power generation facility on a quay.

MUD FLOATING TYPE OFFSHORE WIND TURBINE SYSTEM AND INSTALLATION METHOD THEREOF

NºPublicación:  US2025116256A1 10/04/2025
Solicitante: 
ZHANG PUYANG [CN]
DING HONGYAN [CN]
CHINA POWER ENG CONSULTING GROUP CO LTD [CN]
SHANGHAI EST OCEAN ENGINEERING TECH CO LTD [CN]
Zhang Puyang,
Ding Hongyan,
CHINA POWER ENGINEERING CONSULTING GROUP CO., LTD,
SHANGHAI EST OCEAN ENGINEERING TECHNOLOGY CO., LTD
CN_117231433_PA

Resumen de: US2025116256A1

The disclosure relates to a mud floating type offshore wind turbine system and an installation method thereof. The system includes a plurality of suction anchors, a plurality of gravity anchors, an upper wind turbine, a tower drum and a wind turbine foundation; the fan foundation includes a column body, a first spherical shell, a second spherical shell, a plurality of third spherical shells, first connecting rods, second connecting rods and supporting rods; each of the first spherical shell and the second spherical shell is internally provided with a winch with a plurality of telescopic anchor discs; each suction anchor and each gravity anchor are located beneath the corresponding third spherical shell and located on a side face of the corresponding third spherical shell respectively and used for restraining positions of the upper wind turbine in a vertical direction and a horizontal direction respectively.

A CONNECTING SYSTEM FOR A WEATHERVANING FLOATING OFFSHORE WIND TURBINE, A FLOATING OFFSHORE WIND TURBINE SYSTEM, AND AN INTERCONNECTED SYSTEM

NºPublicación:  WO2025073873A1 10/04/2025
Solicitante: 
EXPONENTIAL RENEWABLES S L [ES]
EXPONENTIAL RENEWABLES, S.L
WO_2025073873_PA

Resumen de: WO2025073873A1

A connecting system (100) for connecting a weathervaning floating offshore support structure (200) of a wind turbine (201) to a pre-laid mooring system (300), the connecting system (100) comprising: - a turret element (1) comprising: a base (2) for being solidly connected to the pre-laid mooring system (300); a support element (3) comprising a switchgear (31) connectable to one or more submarine cables (400) and connectable to receive a power generated by the wind turbine (201); a columnar body (4) extending from the base (2) to the support element (3), and comprising an inner passage (41); and a bearing system (5) configured to rotatably connect the turret element (1) to the weathervaning floating offshore support structure (200); and - a slip-ring connector (6) comprising a first connecting part (61) for receiving the power generated by the wind turbine (201), and a second connecting part (62) cable-connectable to the switchgear (31).

SYSTEMS, METHODS, AND APPARATUS FOR OFFSHORE MOORING OPERATIONS

NºPublicación:  WO2025074123A1 10/04/2025
Solicitante: 
ENCOMARA LTD [GB]
ENCOMARA LIMITED
WO_2025074123_PA

Resumen de: WO2025074123A1

The invention provides a disconnectable mooring system for a floating offshore structure. The system may comprise: a buoy comprising a connector which enables connection and disconnection of the buoy from the floating structure. The system has a disconnected configuration in which the buoy is not connected to the floating structure and the buoy at least partially supports a dynamic riser conduit above the seabed. The system has a connected configuration in which the buoy is connected to the floating structure; and wherein the system is configured to enable pull-in of the buoy to the connected configuration and pull-in of the dynamic riser to a connection position. Aspects of the invention include related pull-in sequences, independent through connection of first and second dynamic riser conduits, and conductive coupling of a dynamic riser conduit to a floating structure. Further aspects of the invention include related rapid / emergency disconnect systems and methods, use a clump weight in an installation sequence, connection structures and buoy configurations, and rope connectors.

FLOATING OFFSHORE SUPPORT STRUCTURE FOR A WIND TURBINE AND A METHOD OF ITS OPERATION USING ADJUSTABLE-BALLAST RESERVOIRS

NºPublicación:  EP4532926A1 09/04/2025
Solicitante: 
STIESDAL OFFSHORE AS [DK]
Stiesdal Offshore A/S
US_2025091697_PA

Resumen de: US2025091697A1

A semisubmersible offshore support structure for a wind turbine carries an adjustable-ballast reservoir above sea level fillable with water for providing extra load on a part of the support structure. By adjusting the water volume in the adjustable-ballast reservoirs, the wind turbine can be maintained in vertical orientation despite wind pressure. A drain is provided for draining water from the reservoir into the sea by gravity only for emptying the reservoir passively in case of power failure.

MOORING SYSTEM

NºPublicación:  EP4534399A1 09/04/2025
Solicitante: 
GAZELLE WIND POWER LTD [IE]
GAZELLE WIND POWER LIMITED
EP_4534399_PA

Resumen de: EP4534399A1

The invention relates to a mooring system comprising a floating platform (1) with a plurality of mooring lines (7) configured to fix or anchor the floating platform (1) to the seabed by means of a bottom section (71) of each mooring line (7), wherein each mooring line (7) also comprises a central section (72) joined to a counterweight (8), wherein tilting arms (2) are joined by means of an articulated joint (3) to a main structure (4) of the floating platform (1), wherein each tilting arm (2) comprises an inner section (21) and an outer section (22), wherein the bottom section (71) and the central section (72) of each mooring line (7) are respectively joined to a terminal end of the outer section (22) and to a terminal end of the inner section (21) of each tilting arm (2).

Procédé de ballastage actif et centralisé d’un flotteur semi-submersible pour éolienne offshore et flotteur

NºPublicación:  FR3153592A1 04/04/2025
Solicitante: 
SAIPEM S A [FR]
SAIPEM S.A
FR_3153592_PA

Resumen de: FR3153592A1

Procédé de ballastage actif et centralisé d’un flotteur semi-submersible pour éolienne offshore et flotteur L’invention concerne un procédé de ballastage actif et centralisé d’un flotteur semi-submersible (2) pour éolienne offshore, le flotteur comprenant au moins quatre colonnes dont une colonne centrale (4) et trois colonnes extérieures (6) raccordées à la colonne centrale par des branches inférieures formant des pontons (8), le procédé comprenant le déplacement contrôlé et centralisé d’un fluide de ballastage entre des compartiments (14) étanches formés à l’intérieur de chaque ponton (8) de façon à pouvoir en modifier l’inclinaison. L’invention concerne également un flotteur semi-submersible pour éolienne offshore à ballastage actif et centralisé. Figure pour l’abrégé : Fig. 1.

Procédé de ballastage actif et individualisé d’un flotteur semi-submersible pour éolienne offshore et flotteur

NºPublicación:  FR3153593A1 04/04/2025
Solicitante: 
SAIPEM S A [FR]
SAIPEM S.A
FR_3153593_PA

Resumen de: FR3153593A1

Procédé de ballastage actif et individualisé d’un flotteur semi-submersible pour éolienne offshore et flotteur L’invention concerne un procédé de ballastage actif et individualisé d’un flotteur semi-submersible (2) pour éolienne offshore, le flotteur comprenant au moins quatre colonnes dont une colonne centrale (4) et trois colonnes extérieures (6) raccordées à la colonne centrale par des branches inférieures formant des pontons (8), le procédé comprenant, pour chaque ponton, le déplacement individualisé et contrôlé d’un fluide de ballastage entre au moins deux compartiments (14, 16) étanches et distincts situés à l’intérieur d’un ensemble formé par le ponton et la colonne extérieure qui lui est associée de façon à pouvoir modifier l’inclinaison du flotteur. L’invention concerne également un flotteur semi-submersible pour éolienne offshore à ballastage actif et individualisé. Figure pour l’abrégé : Fig. 1.

FLOATING OFFSHORE WIND TURBINE ASSEMBLY UNIT

NºPublicación:  US2025109734A1 03/04/2025
Solicitante: 
EXMAR OFFSHORE COMPANY [US]
Exmar Offshore Company
US_2025109734_PA

Resumen de: US2025109734A1

A floating offshore wind turbine assembly unit useful for assembling or maintaining wind turbines at an offshore location is disclosed. The floating offshore wind turbine assembly unit may include a first vessel spaced a distance apart from a second vessel, and an extended deck coupled to the first vessel and the second vessel. The extended deck is positioned in the distance between the first vessel and the second vessel, and the extended deck is configured as a dry dock disposed or movable to a height above a sea level. In some embodiments, the extended deck or a portion thereof is movably coupled to the first vessel and the second vessel. For example, the extended deck or a portion thereof is movable between a submerged or near sea level position and a position above a sea level.

LIFT SYSTEMS AND METHODS FOR LAUNCHING AND RECOVERING STRUCTURES IN A MARINE ENVIRONMENT

NºPublicación:  WO2025072519A1 03/04/2025
Solicitante: 
BARDEX CORP [US]
BARDEX CORPORATION
WO_2025072519_PA

Resumen de: WO2025072519A1

Systems and methods for assembling, launching, retrieving, and maintaining floating wind foundations including tower, nacelle, and blades with two-way operability are disclosed. The systems include a dock having a lift platform and a first plurality of chain jacks configured to lift and lower the lift platform. The lift platform has a width and length with a span sufficient to receive, lower, and lift a floating wind foundation. The lift platform includes an upper deck and a plurality of box truss girders supporting the upper deck. The box truss girders extend across the span of the width of the lift platform and are of sufficient strength to support a floating wind foundation.

SEMI-SUBMERSIBLE PLATFORM

NºPublicación:  US2025108887A1 03/04/2025
Solicitante: 
ACCIONA CONSTRUCCION S A [ES]
BLUENEWABLES S L [ES]
ACCIONA CONSTRUCCION, S.A,
BLUENEWABLES S.L
US_2025108887_PA

Resumen de: US2025108887A1

The present invention relates to a semi-submersible platform (1) for maritime applications such as wind power, electrical substations or hydrogen generation plants, wherein the semi-submersible platform (1) comprises a base body (2) made of concrete equipped with internal compartments (3) adapted to house ballast water, and three or more buoyancy columns (4) substantially made of concrete, wherein said columns (4) protrude from an upper face of the base body (2) and are arranged at the vertexes of the base body (2), wherein at least one column (4) is internally equipped with respective concentric rings (5, 6), an inner ring (5) and an outer ring (6), joined together by a plurality of radial walls (7) that define anti-flood compartments (8).

METHOD FOR THE ACTIVE AND INDIVIDUALISED BALLASTING OF A SEMI-SUBMERSIBLE FLOAT FOR AN OFFSHORE WIND TURBINE AND FLOAT

NºPublicación:  WO2025068659A1 03/04/2025
Solicitante: 
SAIPEM S A [FR]
SAIPEM S.A
FR_3153593_PA

Resumen de: WO2025068659A1

The invention relates to a method for the active and individualised ballasting of a semi-submersible float (2) for an offshore wind turbine, the float comprising at least four columns, including a central column (4) and three outer columns (6), which are connected to the central column by lower arms forming pontoons (8), wherein the method comprises, for each pontoon, the individualised and controlled displacement of a ballast fluid between at least two separate sealed compartments (14, 16) located inside an assembly formed by the pontoon and the associated outer column, so as to modify the inclination of the float. The invention also relates to a semi-submersible float for an offshore wind turbine with active and individualised ballasting.

METHOD FOR ACTIVE AND CENTRALISED BALLASTING OF A SEMI-SUBMERSIBLE FLOAT FOR AN OFFSHORE WIND TURBINE AND FLOAT

NºPublicación:  WO2025068658A1 03/04/2025
Solicitante: 
SAIPEM S A [FR]
SAIPEM S.A
FR_3153592_PA

Resumen de: WO2025068658A1

The invention relates to a method for the active and centralised ballasting of a semi-submersible float (2) for an offshore wind turbine, the float comprising at least four columns, including a central column (4) and three outer columns (6), which are connected to the central column by lower arms forming pontoons (8), wherein the method comprises the controlled and centralised displacement of a ballast fluid between sealed compartments (14) formed inside each pontoon (8), so as to modify the inclination thereof. The invention also relates to a semi-submersible float for an offshore wind turbine with active and centralised ballasting.

A FLOATING SUPPORT STRUCTURE FOR A WIND TURBINE SYSTEM AND A METHOD FOR ASSEMBLY

NºPublicación:  WO2025061959A1 27/03/2025
Solicitante: 
OCEAN VENTUS AS [NO]
OCEAN VENTUS AS
WO_2025061959_A1

Resumen de: WO2025061959A1

The invention describes a floating support structure (1) for supporting an off shore wind turbine comprising a first, second and third main section (10a, 10b, 10c) each comprising a horizontal part and a vertical part (12a, b, c) directly or indirectly connected to the radial end of the horizontal part and the central ends of the horizontal parts (11a, b, c) are joined in a central region thus creating a coupling space (7) underneath the horizontal parts and between the vertical parts. The floating support structure further comprises a transition piece (15) comprising a connecting flange (16) for connecting a coupling end of the wind turbine tower (101) to the support structure. The transition piece further comprises a reinforcement body (17) welded onto the first, second and third horizontal parts.

Self-powered, self-propelled compute grid with loop topology

NºPublicación:  AU2025201360A1 27/03/2025
Solicitante: 
LONE GULL HOLDINGS LTD
Lone Gull Holdings, Ltd
AU_2025201360_A1

Resumen de: AU2025201360A1

Abstract An energy-harvesting compute grid includes computing assemblies that cooperate with mobile energy harvesters configured to be deployed on a body of water. The plurality of energy harvesters are positioned on and move adjacent to an upper surface of a body of water, and the locations of the energy harvesters can be monitored and controlled. The widespread gathering by the harvesters of environmental data within that geospatial area permits the forecasting of environmental factors, the discovery of advantageous energy-harvesting opportunities, the observation and tracking of hazardous objects and conditions, the efficient distribution of data and/or tasks to and between the harvesters included in the compute grid, the efficient execution of logistical operations to support, upgrade, maintain, and repair the cluster, and the opportunity to execute data-gathering across an area much larger than that afforded by an individual harvester (e.g., radio astronomy, 3 D tracking of and recording of the communication patterns of marine mammals, etc.). The computational tasks can be shared and distributed among a compute grid implemented in part by a collection of individual floating self-propelled energy harvesters thereby providing many benefits related to cost and efficiency that are unavailable to relatively isolated energy harvesters, and likewise unavailable to terrestrial compute grids of the prior art.

WIND-POWERED COMPUTING BUOY

NºPublicación:  US2025100652A1 27/03/2025
Solicitante: 
LONE GULL HOLDINGS LTD [US]
LONE GULL HOLDINGS, LTD
US_2025100652_PA

Resumen de: US2025100652A1

Disclosed is a novel type of computing apparatus which is integrated within a buoy that obtains the energy required to power its computing operations from waves that travel across the surface of the body of water on which the buoy floats. Additionally, these self-powered computing buoys utilize their close proximity to a body of water in order to significantly lower the cost and complexity of cooling their computing circuits. Computing tasks of an arbitrary nature are supported, as is the incorporation and/or utilization of computing circuits specialized for the execution of specific types of computing tasks. And, each buoy's receipt of a computational task, and its return of a computational result, may be accomplished through the transmission of data across satellite links, fiber optic cables, LAN cables, radio, modulated light, microwaves, and/or any other channel, link, connection, and/or network.

EXCHANGEABLE MARINE ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREOF

NºPublicación:  US2025100416A1 27/03/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
US_2025100416_PA

Resumen de: US2025100416A1

There is disclosed an exchangeable marine energy storage system including a mobile battery configured to be used as a power source of the operating ship after replaced with a mounted battery mounted on an operating ship; a mobile charging ship configured to move in a state of loading the mobile battery; and a charging station configured to float on the sea together with the mobile charging ship and charge the mobile battery loaded on the mobile charging ship by using generated electricity.

FOUNDATION DEVICE FOR AN OFFSHORE WIND TURBINE TOWER

NºPublicación:  AU2023348377A1 27/03/2025
Solicitante: 
BLUENEWABLES SL
BLUENEWABLES SL
AU_2023348377_PA

Resumen de: AU2023348377A1

The present invention relates to a foundation device for an offshore wind turbine tower. The device comprises a first body (1), a support body (3) attached to the first body (1), a second body (2) and a plurality of legs (4) attached to the second body (2). The support body (3) has a cylindrical interior and is configured to provide support for and connection of a wind turbine tower (10). The first body (1) comprises a central portion (5) connected to the support body (3) and a plurality of hollow arms (6), connected with the central portion (5). Each hollow arm (6) comprises a through-hole (7) configured to allow a leg (4) to pass through the through-hole. The first body (1) has a volume and a weight configured to provide, when empty, a buoyancy of at least 20% of the weight of the entire device, the weight of the first body (1) being less than 8% of the weight of the entire device. The legs (4) and/or the first body (1) have a locking system configured to lock the relative position between the legs and the first body.

FLOATING PLATFORM, ANCHOR CONTAINER BODY, FLOATING BODY, AND METHOD FOR INSTALLING FLOATING PLATFORM ON WATER

Nº publicación: WO2025062676A1 27/03/2025

Solicitante:

TERASUN CO LTD [JP]
\u682A\u5F0F\u4F1A\u793E\u30C6\u30E9\u30B5\u30F3

WO_2025062676_PA

Resumen de: WO2025062676A1

A floating platform (2) comprises: a floating body (3) that is configured to support a tower (1) and that is disposed on the water by tension mooring; an anchor container body (4) provided with a plurality of containers (17); and a plurality of tethers (5) that connect the floating body (3) and the anchor container body (4). Each of the plurality of containers (17) is fixed to at least one of the plurality of tethers (5) and is installed on the seabed. Each of the plurality of containers (17) is provided with a bottom, a container outer wall provided to surround the outer periphery of the bottom, and a container inner wall provided to face the container outer wall. A storage space is formed by the bottom, the container outer wall, and the container inner wall. A heavy object including at least one of soil, sand, gravel, crushed stone, and concrete pieces is stored in the storage space.

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