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124
results.
Updated on
06/12/2025 [07:41:00]
Results 25 to 50 of 124
Absstract of: EP4640610A1
The invention relates to a guiding system for exchanging a wind turbine blade (4), which uses an internal lifting and lowering system fixed to a rotor (3). The guiding system is characterised in that it comprises semi-rigid passive retaining lines (5) that form a safe catenary or track for lowering the blades (4) without same hitting the tower (1) or the ground as a result f incident winds of up to 15 m/s. A clip (7) fastened to the end part of the Blade (4) slides along the retaining lines (5) with the horizontal movement of the Blade (4). The catenary may optionally have intermediate points, and the tension thereof is dependent on the incident wind: the greater the wind, the greater tension. The guiding system can be used for onshore wind turbines, floating offshore wind turbines connected to a spring, and boat-assisted offshore wind turbines on the high seas.
Absstract of: WO2024133785A1
The invention relates to a lifting system (1) for erecting, maintaining or dismantling a floating wind turbine (4), which comprises: - a tower (11) comprising at least two elements (11A-11D) which can be telescoped together such that it can assume at least a retracted position, and a deployed position; - and a crane (12) mounted on an upper element (11A), this crane being mobile in rotation about a vertical axis (X1) of the system. Such a system, mounted on a dock, can be used in the deployed position to work on a wind turbine, and, in the retracted position, as a harbour crane.
Absstract of: US2024208614A1
The present invention relates to apparatus and a method of embedding a plate anchor. The method comprises providing a plurality of embedment modules each of which is suitable for embedding a plate anchor within a different type of soil. The method comprises determining the type of soil of a seabed at a target site and selecting an embedment module based on the type of soil at the target site. The embedment module is removably mounted within a modular follower assembly. The modular follower assembly is deployed from a vessel and the embedment module is actuated to drive the plate anchor into the seabed. The modular follower assembly is then retrieved to the vessel. The modular follower assembly is reconfigured to provide the modular follower assembly with different embedment modules for a subsequent deployment and to embed further plate anchors within different soil types.
Absstract of: WO2024132713A1
It is disclosed a floating wind turbine, comprising a mast, a nacelle and a plurality of rotating blades, the floating wind turbine being subjected to vibrations, and further comprising a vibration control system (20), characterized in that the vibration control system comprises a nonlinear energy sink (21), comprising a movable mass (210) and a coupling device (211) connecting the mass to a wall of the floating wind turbine, the coupling device having non-linear stiffness when biased in a direction perpendicular to the axis of the mast and being configured to perform non-linear viscous damping of a motion of the mass perpendicular to the axis of the mast.
Absstract of: WO2024134421A1
A floating substation for managing electrical power generated by an offshore wind power production plant has a floating platform (11) comprising a hull (12) configured to receive a hydrostatic force from the bottom upwards, and an open-air main deck (13), which is directly supported by the hull (12); and an electrical power management unit (14), which is arranged on the main deck (13) and is configured to receive electrical power from the wind power production plant (2) via at least one electric inlet cable (5), to transform the voltage of the received electrical power, and to supply the transformed electrical power to a remote station (7) via at least one electric outlet cable (6).
Absstract of: EP4640545A1
Anchoring system and installation and uninstallation procedures of anchoring system. The anchoring system (10) comprises:- a floating platform (1) from which a plurality of first anchoring lines (11) emerge,- at least one anchoring block (2) with at least three non-aligned anchoring points,- a central float (3),- a plurality of swinging arms (4), each swinging arm (4) being joined by means of an articulated joint (5) to an anchoring block (2), said articulated joint (5) being located in an intermediate area of the swinging arm (4) so that each swinging arm (4) comprises an internal section (6) and an external section (7) joined in the intermediate area of the swinging arm (4) corresponding to the articulated joint (5), the internal section (6) being located between the intermediate area of the swinging arm (4) and an inner free end and the outer section (7) being located between the intermediate area of the swinging arm (4) and an outer free end, the inner free end being closer to the central float (3) than the outer free end, so that the first anchoring lines (11) leaving the floating platform (1) are joined to the outer end containing the outer free end of the outer sections (7) of the swinging arms (4), and- second anchoring lines (12) between the central float (3) and the inner end portions containing the inner free ends of the inner sections (6) of the swinging arms (4).
Absstract of: WO2025219628A1
The present invention relates to a method for controlling the angles of attack of wind turbine blades, based on a linear model of the wind turbine using a parameter indicative of the acceleration of the wind turbine tower, the linear model being constant across the entire wind turbine operating range. The invention further relates to processing means configured to execute the model-based predictive control. The invention further relates to a method for controlling the position of a moving mass coupled to the wind turbine, based on a linear model of the wind turbine using a parameter indicative of the acceleration of the wind turbine tower and a parameter indicative of the position of the moving mass, the linear model being constant across the entire wind turbine operating range.
Absstract of: US2025327673A1
In the sea route plan generating system, a sea route plan generating unit that generates a sea route plan for sailing the power generation floating body that performs wind power generation using a kite while sailing at sea, at a predetermined sailing angle based on the wind conditions and a tidal current determining unit that determines whether or not there is an opposing tidal current opposed to the wind direction based on the wind conditions are provided for the power generation floating body that generates wind power using kite while sailing on the sea. When it is determined that there is an opposite tidal current, the sea route plan generating unit generates the sea route plan such that the power generation floating body proceeds at the sailing angle at which the power generation efficiency increases in the sea area of the opposite tidal current.
Absstract of: US2025327441A1
A floatable, semi-submersible platform for a wind turbine includes a central turbine-tower-hosting column and three or more stabilizing columns. Upper main beams connect the top ends of the stabilizing columns to a top node that is itself connected about the turbine-tower-hosting column. Lower main beams connect the bottom ends of the stabilizing columns to a bottom node that is also connected about the turbine-tower-hosting column. Fixed ballast components may be located within the turbine-tower-hosting column and within the lower main beams. Hull trim compartments for containing ballast may be provided in the three stabilizing columns, and/or lower main beams, with transfer of ballast between the compartments being controlled by a hull trim system (HTS).
Absstract of: WO2025219732A1
A method of preparing a mooring rope for use in a mooring system for a floating offshore structure. The method comprises laying the mooring rope between a buoy and a seabed anchor; and tensioning the mooring rope between a buoyancy force from the buoy and the seabed anchor, thereby elongating the mooring rope towards a worked length condition. In another aspect, there is provided a method of preparing a mooring system for a floating offshore structure. The mooring system has at least one mooring line between a buoy and a seabed anchor, and the mooring line comprises a mooring rope. The method comprises tensioning the at least one mooring line between a buoyancy force from the buoy and the seabed anchor, thereby elongating the mooring rope towards a worked length condition. Preferred embodiments include tensioning the at least one mooring rope or mooring line between a buoyancy force from the buoy and a tensioning device acting against the buoyancy force. The tensioning device may be a part of the mooring system.
Absstract of: WO2025220289A1
Provided is a floating offshore wind turbine system having a structure useful for implementing replacement of a large component of a floating offshore wind turbine. The floating offshore wind turbine system includes a floating offshore wind turbine, a main floating body, and a mooring body. The floating offshore wind turbine has: blades that receive wind; a hub to which the blades are fixed; a nacelle that houses a generator that converts rotational energy of the hub into electric power; a tower that supports the nacelle; and a sub-floating body that supports the tower. The main floating body is moored to the sea bottom by the mooring body, and has a sub-floating body insertion space into which the sub-floating body is inserted. The sub-floating body inserted into the sub-floating body insertion space is detachably connected at a connection part with the main floating body.
Absstract of: EP4636245A2
Disclosed are wind turbines suitable for floating application. The wind turbines include multiple floats and multiple towers connected to the floats, a turbine rotor, including a hub and a plurality of blades, structurally supported by the plurality of towers, the turbine rotor coupled to an electrical generator; and have a very shallow draft even for rated capacities of at least 1 MW. The wind turbines can have a single mooring line for yawing eliminating the need for a nacelle, and can allow for deck-level belt driven electrical generators without the need for gear boxes.
Absstract of: ES3039359A1
The invention relates to a method for controlling angles of attack of blades of a wind turbine based on a linear model of the wind turbine using a parameter indicative of acceleration of the wind turbine tower; the linear model being invariant throughout the operating range of the wind turbine. The invention also relates to processing means configured to execute the model-based predictive control. The invention also relates to a method for controlling a position of a movable mass coupled to a wind turbine based on a linear model of the wind turbine using a parameter indicative of acceleration of the turbine tower and a parameter indicative of the position of the movable mass; the linear model being invariant throughout the operating range of the wind turbine. (Machine-translation by Google Translate, not legally binding)
Absstract of: WO2025214803A1
A mooring line tensioning device is disclosed. The mooring line tensioning device may be coupled to a floating platform, such as a floating wind turbine platform. The mooring line tensioning device may include a housing, a proximal suspension element that can pivotably couple the housing to the floating platform, and a linearly displaceable element of a linear actuator that may extend through the base portion of the housing and may be linearly displaced relative to the housing. The linear actuator may be a jackscrew assembly and the linearly displaceable element may be a lifting screw of the jackscrew assembly. A mooring line may be coupled between a submerged anchor and a coupling element located at a distal end of the linearly displaceable element. Linear displacement of the linearly displaceable element by operation of the linear actuator can be used to adjust the tension of the mooring line.
Absstract of: WO2025215420A1
A floating wind turbine platform is disclosed. The floating wind turbine platform may include a floatable structure having multiple semisubmersible columns. The semisubmersible columns may be interconnected by pontoons, at least some of which may contain a ballast. The floating wind turbine platform may also include a ballast distribution system having a sensor that is usable to detect an inclination of the floatable structure in a body of water. The ballast distribution system can balance the floatable structure in response to a signal from the sensor by operating a pump to distribute the ballast within the pontoons. Distributing the ballast within the pontoons may include selectively adjusting a position of the ballast contained within the internal volume of at least one of the pontoons, or transferring at least some of the ballast between the internal volumes of the pontoons.
Absstract of: WO2025215424A1
A floating wind turbine platform is disclosed. The floating wind turbine platform may include a floatable structure that is deployable to a body of water and includes a plurality of semisubmersible columns. The semisubmersible columns may be interconnected. Each semisubmersible column can define an internal ballast volume. An intake port in each semisubmersible column can place the internal ballast volume of the semisubmersible column into fluid communication with the body of water. A ballast control system may be provided to balance the floatable structure upon a detected inclination thereof. Balancing of the floatable structure may be accomplished by selectively controlling a transfer of water from the body of water to the internal ballast volume of at least one of the semisubmersible columns, and/or by selectively controlling a transfer of water from the internal ballast volume of at least one of the semisubmersible columns to the body of water.
Absstract of: WO2025216897A1
A shared mooring-anchor system may have one or more variable resource foundations, the one or more variable resource foundations supporting a variable resource. A shared mooring-anchor system may have at least one near-surface buoy and at least one seabed anchor. A shared mooring-anchor system may orient the variable resource near, at, or above a waterline of a source of water. A shared mooring-anchor system may connect the one or more variable resource foundations to the at least one near-surface buoy, the at least one near-surface buoy is connected to the at least one seabed anchor, the at least one seabed anchor is not vertically in alignment underneath the at least one near-surface buoy, an angle between the one or more variable resource foundations, the at least one near-surface buoy, and the at least one seabed anchor is not a right angle.
Absstract of: US2025319953A1
A shared mooring-anchor system may have one or more variable resource foundations, the one or more variable resource foundations supporting a variable resource. A shared mooring-anchor system may have at least one near-surface buoy and at least one seabed anchor. A shared mooring-anchor system may orient the variable resource near, at, or above a waterline of a source of water. A shared mooring-anchor system may connect the one or more variable resource foundations to the at least one near-surface buoy, the at least one near-surface buoy is connected to the at least one seabed anchor, the at least one seabed anchor is not vertically in alignment underneath the at least one near-surface buoy, an angle between the one or more variable resource foundations, the at least one near-surface buoy, and the at least one seabed anchor is not a right angle.
Absstract of: WO2025213767A1
Disclosed in the present application is a blade installation system and method for a wind turbine generator in a floating offshore wind power system. The blade installation system comprises a nacelle gripper, a blade gripper and a lifting installation vessel, wherein the nacelle gripper comprises a gripping housing and a plurality of telescopic tightening block assemblies; the blade gripper comprises a gripping cylinder which is arranged on a front outer side surface of the gripping housing and can slide left and right, the inner circumferential surface of the gripping cylinder being provided with a plurality of telescopic driving wheel assemblies; a crane on the lifting installation vessel is configured to hoist the nacelle gripper to or away from a nacelle, and the plurality of telescopic tightening block assemblies cooperate to grip or release the nacelle; and the crane is further configured to hoist a blade root into the gripping cylinder in an open state, the plurality of telescopic driving wheel assemblies cooperate to grip or release the blade root, and the plurality of telescopic driving wheel assemblies cooperate to horizontally drive the gripped blade root from the front to the rear into a mounting hole of a hub. At a working sea area, the blade root can be conveniently mounted in the mounting hole of the hub; the installation difficulty is low.
Absstract of: EP4631843A1
A mooring line tensioning device is disclosed. The mooring line tensioning device may be coupled to a floating platform, such as a floating wind turbine platform. The mooring line tensioning device may include a housing, a proximal suspension element that can pivotably couple the housing to the floating platform, and a linearly displaceable element of a linear actuator that may extend through the base portion of the housing and may be linearly displaced relative to the housing. The linear actuator may be a jackscrew assembly and the linearly displaceable element may be a lifting screw of the jackscrew assembly. A mooring line may be coupled between a submerged anchor and a coupling element located at a distal end of the linearly displaceable element. Linear displacement of the linearly displaceable element by operation of the linear actuator can be used to adjust the tension of the mooring line.
Absstract of: WO2025178634A1
Tension-leg platforms for supporting wind turbines are augmented with surge plates. The surge plates increase the amount of water that is displaced when a tension-leg platform is accelerated horizontally, which reduces wave induced accelerations. The surge plates are mounted to the deepest parts of the submerged structure of each platform to minimize wave loading.
Absstract of: TW202446669A
The vessel comprises a float (80) and an intervention assembly on the wind turbine, carried by the float (80). The float (80) comprises a buoyant body (86) and a fastening baseplate (88) protruding relative to the buoyant body (86) along a fastening axis (A-A') on a lower surface of the offshore wind turbine platform. The buoyant body (86) defines a ballast-receiving volume, the vessel comprising a ballast controller configured to control the amount of ballast received in the ballast-receiving volume to raise an upper contact surface (94) of the baseplate (88) to place it in contact with a lower surface of the offshore wind turbine platform, the float (80) being monohull.
Absstract of: WO2024121391A1
The method of manufacturing a floater (2) comprises the steps of obtaining a plurality of wall portions (12), each wall portion (12) corresponding to an angular sector of an axial section (10) of a sidewall (6) of the floater, and assembling the wall portions (12) such as to manufacture axial sections (10) of the sidewall (6) sequentially. The assembly of the wall portions (12) starts with the assembly of a first axial section (10) onto one of the end plates (8) and at least one wall portion (12) is stiffened and/or at least one of the end plates (8) is stiffened.
Absstract of: EP4631847A1
A floating wind turbine platform is disclosed. The floating wind turbine platform may include a floatable structure having multiple semisubmersible columns: The semisubmersible columns may be interconnected by pontoons, at least some of which may contain a ballast. The floating wind turbine platform may also include a ballast distribution system having a sensor that is usable to detect an inclination of the floatable structure in a body of water. The ballast distribution system can balance the floatable structure in response to a signal from the sensor by operating a pump to distribute the ballast within the pontoons. Distributing the ballast within the pontoons may include selectively adjusting a position of the ballast contained within the internal volume of at least one of the pontoons, or transferring at least some of the ballast between the internal volumes of the pontoons.
Nº publicación: US2025313309A1 09/10/2025
Applicant:
UNIV HOHAI [CN]
Hohai University
Absstract of: US2025313309A1
Disclosed is a flow-guide device for an offshore platform, comprising a flow-guide column base, a ballast level control device and a spiral side belt system, wherein the flow-guide column base is located at the bottom of an offshore platform, and multiple flow-guide column bases are arranged symmetrically and distributed in a ring array; the flow-guide column base is rotatably connected to the offshore platform; a ballast compartment is arranged in the flow-guide column base, and the ballast level control device is used for controlling a ballast level in the ballast compartment; and the spiral side belt system is arranged outside the flow-guide column base and used for restraining vortex-induced resonance. The flow-guide column base and the offshore platform can be kept in a relatively fixed state by means of a clamping device, such that the offshore platform is able to rotate synchronously with the flow-guide column base.
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