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Floating wind power

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LastUpdate Updated on 28/03/2025 [07:05:00]
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FOUNDATION DEVICE FOR AN OFFSHORE WIND TURBINE TOWER

Publication No.:  AU2023348377A1 27/03/2025
Applicant: 
BLUENEWABLES SL
BLUENEWABLES SL
AU_2023348377_PA

Absstract of: 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.

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

Publication No.:  AU2025201360A1 27/03/2025
Applicant: 
LONE GULL HOLDINGS LTD
Lone Gull Holdings, Ltd
AU_2025201360_A1

Absstract of: 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.

SUBSEA CONFIGURATION FOR FLOATING STRUCTURES OF AN OFFSHORE WIND FARM

Publication No.:  EP4526200A1 26/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TotalEnergies OneTech
WO_2023222414_PA

Absstract of: WO2023222414A1

The present invention relates to an offshore wind farm (1) comprising at least three floating structures (3) designed to receive a wind turbine (4), each floating structure (3) comprising at least three mooring lines (5', 5''), each mooring line (5', 5'') being attached to a mooring point (51, 52, 53) arranged around said floating structure (3), the mooring lines facing inward from the offshore wind farm (1) forming the inner mooring lines (5') of the offshore wind farm (1) and the mooring lines facing outward from the offshore wind farm (1) forming the peripheral mooring lines (5'') of the offshore wind farm (1), wherein the peripheral mooring line (5'') comprise: - a first segment (22) able to be attached to the floating structures (3), - at least one intermediate segment (26) formed of an elastomeric material attached to the first segment (22) and the second segment (24).

OFFSHORE ELECTRICITY PRODUCTION ASSEMBLY COMPRISING A FLOATING PLATFORM, A WIND TURBINE, AND INCLINED MOORING TENDONS

Publication No.:  EP4527731A2 26/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TotalEnergies OneTech
EP_4527731_PA

Absstract of: EP4527731A2

An offshore electricity production assembly (10) comprising a floating platform (12), a wind turbine (16) fixed to the floating platform, and inclined mooring tendons (18A, 18B, 18C), the floating platform comprising:- a tubular central buoyant column (26) extending along a longitudinal axis intended to be vertical, the column having an immersed portion (30) defining a first average external diameter (D1), and- a plurality of tubular radial buoyant pontoons (28A; 28B, 28C) protruding from the column along radial axes (R1, R2, R3) spaced around the longitudinal axis, each of the pontoons defining a second average external diameter (D2), the pontoons being immersed in a body of water (14).The first average external diameter is larger than the second average external diameter.

SUBSEA CONFIGURATION FOR FLOATING STRUCTURES OF AN OFFSHORE WIND FARM

Publication No.:  EP4526199A1 26/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TotalEnergies OneTech
WO_2023222413_PA

Absstract of: WO2023222413A1

The present invention relates to an offshore wind farm (1) comprising at least four floating structures (3) designed to receive a wind turbine (4), each floating structure (3) comprising at least three mooring lines (5', 5''), each mooring line (5', 5'') being attached to a mooring point (51, 52, 53) arranged around said floating structure (3), the mooring lines facing inward from the offshore wind farm (1) forming the inner mooring lines (5') of the offshore wind farm (1) and the mooring lines facing outward from the offshore wind farm (1) forming the peripheral mooring lines (5'') of the offshore wind farm (1), wherein two adjacent floating structures (3) have at least one of their peripheral mooring lines (5'') crossing each other, at least one of these peripheral mooring lines comprising a buoyancy element.

FLOATING WIND TURBINE PLATFORM

Publication No.:  US2025092857A1 20/03/2025
Applicant: 
UNIV OF MAINE SYSTEM BOARD OF TRUSTEES [US]
University of Maine System Board of Trustees
JP_2024527825_A

Absstract of: US2025092857A1

A semi-submersible wind turbine platform is configured for floating in a body of water and supporting a wind turbine, and includes a center column, at least three tubular bottom beams extending radially outward of a first axial end of the center column, the center column configured to have a tower attached to a second axial end thereof, outer columns, wherein a first axial end of each outer column attached to a distal end of one of the bottom beams, and top beams, one of which extends between a second axial end of each outer column and the second axial end of the center column.

OFFSHORE GREEN HYDROGEN PRODUCTION SYSTEM INTEGRATED WITH FLOATING OFFSHORE WIND POWER

Publication No.:  WO2025058260A1 20/03/2025
Applicant: 
KOREA INSTITUTE OF OCEAN SCIENCE & TECH [KR]
\uD55C\uAD6D\uD574\uC591\uACFC\uD559\uAE30\uC220\uC6D0
WO_2025058260_A1

Absstract of: WO2025058260A1

An apparatus integrated with floating offshore wind power for producing offshore green hydrogen, according to one embodiment, comprises: an offshore wind power generator; a hydrogen production system for producing hydrogen by using seawater; a control unit for controlling at least one portion of the hydrogen production system; and a power source unit for supplying power to at least one portion of the hydrogen production system or the control unit.

FLOATING SUPPORT STRUCTURE WITH MULTIPLE CENTRAL COLUMNS FOR AN OFFSHORE WIND TURBINE AND METHOD FOR ASSEMBLING SUCH A STRUCTURE

Publication No.:  AU2023345711A1 20/03/2025
Applicant: 
SAIPEM S A
SAIPEM S.A
AU_2023345711_PA

Absstract of: AU2023345711A1

The invention relates to a floating support structure (2-1) for an offshore wind turbine, the structure comprising a lower connector (4) centered on an axis (X-X) of a tower (9) of the wind turbine and comprising at least three lower receptacles (10) which are regularly distributed around the axis of the tower of the wind turbine, an upper connector (6) centered on the axis of the tower of the wind turbine and comprising, in an upper portion, means (14) for accommodating a wind turbine tower and, in a lower portion, at least three upper receptacles (12) which are regularly distributed around the axis of the tower of the wind turbine, and at least three identical tubular central columns (8) which are fitted by a lower end into one of the receptacles of the lower connector and by an opposite, upper end into one of the receptacles of the upper connector so as to form a floating support pylon in the vertical extension of the tower of the wind turbine. The invention also relates to a method for assembling such a structure.

Floating offshore support structure for a wind turbine and a method of its operation using adjustable-ballast reservoirs

Publication No.:  US2025091697A1 20/03/2025
Applicant: 
STIESDAL OFFSHORE AS [DK]
Stiesdal Offshore A/S
US_2025091697_PA

Absstract of: 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.

METHOD OF ASSEMBLING FLOATING OFFSHORE WIND VESSELS USING A MOBILE OFFSHORE ASSEMBLY FACILITY

Publication No.:  US2025091698A1 20/03/2025
Applicant: 
KEPPEL LETOURNEAU USA INC
Keppel LeTourneau USA. Inc
US_2025091698_PA

Absstract of: US2025091698A1

A method and apparatus for assembling floating offshore wind vessels is described. The method manufactures the floating offshore wind vessels at an intermediate offshore location. Sub-components of the floating offshore wind vessels are transported to a first offshore location before being assembled into a completed offshore wind vessel. The completed offshore wind vessel is transported to a second offshore location which is part of a wind field. The sub-components are assembled on a semi-submersible vessel, such as a floating dry dock.

A GENERATOR AND A METHOD FOR GENERATING ELECTRICITY WITH A GENERATOR

Publication No.:  US2025092852A1 20/03/2025
Applicant: 
ORI SOLUTION OY [FI]
ORI SOLUTION OY
FI_20215782_PA

Absstract of: US2025092852A1

A generator and a related method are disclosed. The generator includes at least one rotor, at least one bridging element arranged to rotate about a rotation axis (X) of the rotor, an inductance unit holder, the inductance unit holder including at least one inductance unit, the inductance unit including at least one inductance coil, and a core, the at least one bridging element arranged to induce an alternating and pulsed voltage to the at least one inductance coil, the generator including at least one flow channel unit arranged to convey a fluid flow to the rotor. The rotor is arranged to rotate relative to the flow channel unit in a floating bearing manner, with a rotation frequency.

BUOYANCY BODY FOR SUPPORTING A FLOATABLE STRUCTURE IN A FLOATING MANNER, FLOATABLE STRUCTURE, AND MODULARLY DESIGNED PLATFORM

Publication No.:  EP4522499A1 19/03/2025
Applicant: 
SINN POWER GMBH [DE]
Sinn Power GmbH
DE_102022111687_PA

Absstract of: WO2023217849A1

The invention relates to a buoyancy body (1) for supporting a floatable structure (50) in a floating manner, wherein the buoyancy body (1) is substantially designed in the shape of a cylinder or a regular prism and has a cover surface (4) substantially perpendicularly to an axis of symmetry (3) of the buoyancy body, said cover surface being equipped with depressions (21) in order to receive a node point (6) of a substantially flat framework-like base structure (2) in a form-fitting manner. Fixing elements (9) fix the base structure (2) in the direction of the axis of symmetry (3) so that the buoyancy body (1) can be secured in all 6 (six) degrees of freedom at a node point (6). By clamping an additional base structure (2) on the base surface of the buoyancy body (1) to the first base structure, a floatable module (60) can be produced which can be used as a basic component for flat and tower-type structures.

OFFSHORE FLOATING PLATFORM FOR AEOLIAN GENERATORS

Publication No.:  EP4522500A1 19/03/2025
Applicant: 
MC2WORLD S R L [IT]
MC2World S.r.l
KR_20250008096_PA

Absstract of: CN119173439A

Described herein is an offshore floating platform comprising: a plurality of wind generators comprising: a wind tower having a longitudinal extension and provided with a first end and a second end; the blade type wind driven generator is located at the first end; an engagement base at the second end; a connecting part connecting the two wind generators and comprising at least one connecting element; wherein each engagement base engages with the connecting element such that each wind tower can be moved independently in a direction substantially parallel to the longitudinal development axis of the wind tower.

ASYMMETRIC FLOATING WIND TURBINE INSTALLATION

Publication No.:  EP4522861A1 19/03/2025
Applicant: 
EQUINOR ENERGY AS [NO]
Equinor Energy AS
KR_20250010030_PA

Absstract of: AU2023270109A1

A floating wind turbine installation comprises an asymmetric floating wind turbine structure that is tethered to the floor of a body of water by a mooring system. The floating wind turbine structure comprises a wind turbine mounted on a semi- submersible floating platform, and is oriented such that the wind turbine is positioned on an upwind side of the centre of mass of the floating wind turbine structure when the wind approaches the wind turbine structure in the direction of the prevailing wind at the location of the wind turbine installation.

WIND TURBINE FOUNDATION, WIND GENERATING SET, AND CONTROL METHOD

Publication No.:  EP4524394A1 19/03/2025
Applicant: 
GOLDWIND SCIENCE & TECHNOLOGY [CN]
GOLDWIND SCIENCE & TECHNOLOGY CO., LTD
EP_4524394_PA

Absstract of: EP4524394A1

The present application provides a wind turbine foundation, a wind generating set, and a control method. The wind turbine foundation comprises a support assembly and a vibration suppression system; the support assembly comprises a main floating body, a plurality of sub floating bodies distributed at intervals, and connecting bodies; each sub floating body is connected to the main floating body by the corresponding connecting body, and the main floating body is connected to a tower; the vibration suppression system comprises vibration suppression devices, a first collector, and a controller; the vibration suppression devices are connected to at least two sub floating bodies among the plurality of sub floating bodies; the vibration suppression device comprises a base, a mounting frame, a rotating disc, and a driving component; and the controller controls, according to a floating body vibration acceleration, the driving component of each vibration suppression device to drive the rotating disc to rotate to a predetermined rotational speed. The wind turbine foundation has a vibration suppression function, high response speed and good vibration suppression effect.

FLOATING OFFSHORE PLATFORM COMPRISING HOLLOW STRUCTURAL ELEMENTS CONNECTED TOGETHER, ELECTRICITY PRODUCING ASSEMBLY COMPRISING SUCH A PLATFORM, AND CORRESPONDING MANUFACTURING METHOD

Publication No.:  WO2025051971A1 13/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TECHLAM [FR]
TOTALENERGIES ONETECH,
TECHLAM
WO_2025051971_PA

Absstract of: WO2025051971A1

A floating offshore platform comprising a first hollow structural element (24), a second hollow structural element (26), and a mechanical connection (28), altogether defining an interior volume (40) and an exterior volume (42), the connection comprising: - a first flange (52) defining a first axis (X1) and a first bearing surface (S1), the first bearing surface being spherical and concave, - a second flange (54) defining a second axis (X2) and a second bearing surface (S2), the second axis being intended to be aligned or offset with respect the first axis as a result of manufacturing and/or assembling tolerances, - a fastening system (56) comprising bolts (58), - a sealing system (60) for sealing the interior volume (40), the sealing system extending between the first flange and the second flange and surrounding the first axis.

MAGNETIC POWERTRAIN FOR WAVE ENERGY CONVERTERS

Publication No.:  AU2023219991A1 13/03/2025
Applicant: 
LAM THANH TRI
Lam, Thanh Tri
AU_2023219991_A1

Absstract of: AU2023219991A1

A magnetic powertrain for wave energy converter is developed. It includes processes from wave energy being harvested in bidirectional motions to combing and obtaining mechanical power outputs of the wave energy converter with desired mechanical power outputs, including unidirectional rotations.

SEMI-SUBMERSIBLE FLOATING PLATFORM FOR A WIND TURBINE

Publication No.:  WO2025051591A1 13/03/2025
Applicant: 
BAYWA R E OFFSHORE WIND GMBH [DE]
BAYWA R.E. OFFSHORE WIND GMBH
WO_2025051591_PA

Absstract of: WO2025051591A1

The present invention relates to a semi-submersible floating platform (1) for a wind turbine (50). The platform comprises: three columns each having an axis, the columns comprising a primary column (10 )adapted to support a wind turbine, and two secondary columns (30a, 30b) wherein each one of the three columns is connected to the other two columns by cross members (15a, 15b, 35) in a triangular arrangement. Further, the cross member between the secondary columns (35) incorporates ballast and each of the cross members (15a, 15b) connecting to the primary column incorporate buoyancy. The primary column (10) has a larger displacement than either of the two secondary columns (30a, 30b) and the cross member (35) extending between the secondary columns has a smaller displacement than the cross members (15a, 15b) connected to the primary column (10).

HULL STRUCTURE FOR A SEMI-SUBMERSIBLE WIND POWER TURBINE PLATFORM

Publication No.:  US2025084830A1 13/03/2025
Applicant: 
BASSOE TECH AB [SE]
BASSOE TECHNOLOGY AB
US_2025065994_PA

Absstract of: US2025084830A1

A hull structure for a semi-submersible wind power turbine platform and a method for loading a set of such hull structures onto a semi-submersible cargo carrying marine vessel. The hull structure includes first, second and third buoyant stabilizing columns extending in a substantially vertical direction; and first and second elongated submersible buoyant pontoon structures extending in a substantially horizontal direction. The hull structure generally has a V-shape in the horizontal plane with the first and second pontoon structures forming legs in the V-shape and with the second column located where the legs meet. The hull structure is arranged so as to exhibit: i) a first angle in the horizontal plane between a central longitudinal axis of the first pontoon structure and a central longitudinal axis of the second pontoon structure; and ii) a second angle in the horizontal plane between a) a first imaginary line between a central point of the first stabilizing column and a central point of the second stabilizing column and b) a second imaginary line between the central point of the second stabilizing column and a central point of the third stabilizing column, wherein the second angle is larger than the first angle.

FLOAT FOR OFFSHORE WIND PLATFORMS

Publication No.:  WO2025051628A1 13/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TOTALENERGIES ONETECH
WO_2025051628_PA

Absstract of: WO2025051628A1

The invention relates to an offshore wind turbine float (2) comprising an upper metal wall (4) forming an upper end of the float, a lower metal wall (6, 46, 60) forming a lower end of the float, and at least one side wall (8, 18, 28, 28', 48, 58) connecting the upper and lower metal walls to create a sealed enclosure for the float, wherein the side wall (8, 18, 28, 28', 48, 58) comprises: - an external metal panel (10, 20, 30, 30', 40, 50), - an internal metal panel (12, 22, 32, 32', 42, 52) parallel to the external panel, - at least one corrugated metal sheet (14, 24, 34, 34', 44', 44'', 54) extending within a space formed between the external metal panel and the internal metal panel, wherein the corrugated metal sheet is attached to both the internal metal panel and the external metal panel.

ASSEMBLY COMPRISING A FLOATING STRUCTURE, A WIND TURBINE AND DRIVE MEANS THEREFOR

Publication No.:  WO2025051716A1 13/03/2025
Applicant: 
EOLINK [FR]
EOLINK
WO_2025051716_PA

Absstract of: WO2025051716A1

The invention relates to a floating assembly (1) for generating electrical power, the assembly comprising a floating structure (10) connected to a buoy (20) by at least one flexible connection (30), a wind turbine (100) comprising a bearing structure (110) supporting a propeller (120) that rotates about an axis of rotation, such that it further comprises means (128) for driving the propeller (120) in order to rotate its rotor (126), means (50) for measuring the distance of separation between the floating structure (10) and a vertical axis of rotation of the buoy (20), and means (80) for activating the drive means (128) to rotate its rotor (126) in order to move the floating structure (10) away from the buoy when the distance of separation measured by the distance sensor (50) is below a given threshold.

FLOATING METAL PLATFORM

Publication No.:  US2025083778A1 13/03/2025
Applicant: 
CLOVERS AS [NO]
Clovers AS
AU_2024227329_A1

Absstract of: US2025083778A1

A floating wind turbine metal platform supports a wind turbine. The platform includes a centre hub, connectable to a tower, and three elongated elements connected to the centre hub. The elongated elements are arranged with regular angular spacing. Each elongated element includes: a first elongated member and a second elongated member parallel to the first elongated member. The platform includes a first buoyancy element connected to the first elongated member and the second elongated member. At least one of the elongated members of each elongated element is a stiffened plate. Each elongated element comprises stiffening means for stiffening of the elongated members.

FLOATING OFFSHORE PLATFORM COMPRISING HOLLOW STRUCTURAL ELEMENTS CONNECTED TOGETHER, ELECTRICITY PRODUCING ASSEMBLY COMPRISING SUCH A PLATFORM, AND CORRESPONDING MANUFACTURING METHOD

Publication No.:  EP4520645A1 12/03/2025
Applicant: 
TOTALENERGIES ONETECH [FR]
TECHLAM [FR]
TOTALENERGIES ONETECH,
Techlam
EP_4520645_PA

Absstract of: EP4520645A1

A floating offshore platform comprising a first hollow structural element (24), a second hollow structural element (26), and a mechanical connection (28), altogether defining an interior volume (40) and an exterior volume (42), the connection comprising:- a first flange (52) defining a first axis (X1) and a first bearing surface (S1), the first bearing surface being spherical and concave,- a second flange (54) defining a second axis (X2) and a second bearing surface (S2), the second axis being intended to be aligned or offset with respect the first axis as a result of manufacturing and/or assembling tolerances,- a fastening system (56) comprising bolts (58),- a sealing system (60) for sealing the interior volume (40), the sealing system extending between the first flange and the second flange and surrounding the first axis.

INSTALLATION FOR THE LOAD-OUT INTO THE WATER OF A HEAVY LOAD

Publication No.:  EP4520961A2 12/03/2025
Applicant: 
SOLETANCHE FREYSSINET [FR]
ROLL HOLDING B V [NL]
Soletanche Freyssinet,
Roll Holding B.V
EP_4520961_PA

Absstract of: EP4520961A2

Installation (1) for the load-out into the water of a heavy load (10) located onshore, in particular a load constituted by a tripod- or tetrapod-type float, having:- at least two support structures (20) that are independent of one another and can be moved on the respective paths, each of which being equipped with lifting means (60) configured to be hooked to the load, each of these support structures being equipped with a counterweight (22),- the installation being configured to allow the lifting means (60) of the support structures, when the load is positioned in the load-out area, to extend at least partially above the water in order to lower the load into it.

FLOATING WIND TURBINE PITCH ANGLE CONTROL DURING SHUTDOWN OPERATION

Nº publicación: DK202430115A1 11/03/2025

Applicant:

VESTAS WIND SYSTEMS AS [DK]
VESTAS WIND SYSTEMS A/S

Absstract of: DK202430115A1

Control techniques for controlling a pitch angle of blades of a floating wind turbine during a shutdown operation are provided. A control technique includes obtaining a floater angular displacement of a floating platform coupled with a tower of the floating wind turbine; increasing the pitch angle of the blades at a first pitch adjustment rate from initiation of the shutdown operation until an acceleration of a rotor of the floating wind turbine has peaked; maintaining the pitch angle of the blades substantially constant from when the acceleration of the rotor has peaked until the floater angular displacement changes from positive to negative or has peaked to preserve thrust of the rotor and to dampen a moment of a base of the tower; and increasing the pitch angle of the blades at a second pitch adjustment rate when the floater angular displacement changes from positive to negative or has peaked.

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