Alerta

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

Resumen de: 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.

Connecting structure of anti-drifting navigation mark

Resumen de: CN222591724U

The utility model relates to the technical field of navigation marks, in particular to an anti-drifting navigation mark connecting structure which comprises a floating platform part, the inner wall of the floating platform part is connected with the outer wall of a driving part in a clamped mode, the top end of the driving part is fixedly connected with the bottom of a warning part, and the bottom of the warning part is fixedly connected with the top of the floating platform part. The top of the floating platform piece is fixedly connected with the bottom of the winding piece, sea wind blows windmill pieces to rotate, the windmill pieces drive a generator to rotate through a rotating disc to generate electricity, electricity generated by the generator is stored in a storage battery and supplies power to a warning lamp, the windmill pieces rotate to drive a rotating plate to rotate, the rotating plate drives a rotating rod to rotate, and the rotating rod drives a protective cover to rotate. When the protective cover rotates, the warning lamp can be prevented from being impacted by external force, the service life of the warning lamp is prolonged, the situation that the warning lamp is broken or cannot be normally used is avoided, meanwhile, the warning lamp is driven to rotate so that lamplight can be more striking, and convenience is brought to use of people.

FLOATING WIND TURBINE PITCH ANGLE CONTROL DURING SHUTDOWN OPERATION

Resumen de: 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.

Ensemble comportant une structure flottante, une éolienne et des moyens de motorisation de celle-ci

Resumen de: FR3152486A1

L’invention concerne un ensemble (1) flottant pour la production d’énergie électrique comprenant une structure flottante (10) reliée une bouée (20) à l’aide d’au moins une liaison souple (30), des moyens (40) reliés à la bouée (20) pour ancrer ladite structure flottante (10) à un fond marin (5), une éolienne (100) comportant une structure porteuse (110) supportant une hélice (120) tournant autour d’un axe de rotation (XX’), et des moyens (60 ; 70) de détermination de l’un au moins des paramètres suivants parmi la direction du vent, la vitesse du vent, le sens du courant marin et la vitesse du courant marin, caractérisé en ce qu’il comporte en outre des moyens (128) pour motoriser l’hélice (120) afin de faire tourner son rotor (126) dans un sens de rotation ou dans le sens opposé, des moyens (50) pour mesurer la distance d’éloignement D entre la structure flottante (10) et un axe de rotation verticale (ZZ’) de la bouée (20), des moyens (80) pour mettre en route les moyens (128) de motorisation et faire tourner son rotor (126 ) afin d’éloigner la structure flottante (10) de ladite bouée (20) lorsque ladite distance d’éloignement D mesurée par le capteur de distance (50) est inférieure à un seuil déterminé. Figure pour l’abrégé : Fig. 1

METHOD AND SYSTEMS FOR FREE-FLOATING NAUTICAL STATIONKEEPING

Resumen de: US2025074554A1

Methods and systems are provided for nautical stationkeeping of free-floating objects. In one example, a method includes adjusting translational motion of a body freely floating in water by rotating the body. The translational motion may be adjusted, for instance, to maintain the body within a geographic area. In certain examples, the adjustment of the translational motion may be realized via a Magnus effect induced by rotating the body. The body may be configured as, for example, a free-floating object such as a wave engine.

AIRBORNE WIND POWER GENERATION APPARATUS FACILITATING DIRECTIONALITY ASSURANCE

Resumen de: WO2025048459A1

The present invention relates to an airborne wind power generation apparatus facilitating directionality assurance. To this end, the airborne wind power generation apparatus facilitating directionality assurance, of the present invention, comprises: a power generation apparatus body including one or more rotating bodies rotated by means of wind, and a power generator for producing electricity while operating by receiving the rotary force of the rotating bodies; and a buoyant body which is provided at the top of the power generation apparatus body so as to provide buoyancy for airborne flight, and which is stood up to be inclined toward the rear of the upper portion of the power generation apparatus body so as to move integrally with the power generation apparatus body such that the front surface of the power generation device body faces the direction from which the wind blows. Therefore, the present invention can provide the airborne wind power generation apparatus which allows the power generation apparatus body to float in the air by means of the buoyant body, to naturally change the direction thereof to the direction in which wind blows and, simultaneously, to maintain a horizontal orientation so as not to require a separate structure and a control device for direction changing or orientation maintenance, and thus is structurally simple and can stably ensure the orientation for power generation at a high altitude.

SYSTEM AND METHOD FOR FLOATING STRUCTURE AND POWER CABLE

Resumen de: WO2025046083A1

A system comprising a renewable power floating structure (1) arranged in a body of water, and a power cable (4) extending from the floating structure (1) into the body of water and along the seabed (3). The power cable (4) extends from the floating structure (1) for a first portion (41) of its length, extends in a catenary shape to an imparting element (6) providing buoyancy to the power cable (4) and a second portion (42) of the power cable (4) extends from the imparting element (6) to a tethered point (7) of the power cable connected to the seabed (3) and a third portion (43) of the power cable (4) extends from the anchored point (7) to a touch down point (10) of the power cable (4) where the power cable (4) is laying on the seabed (3). That the second portion (42) is forming a curved configuration of concavity down turned towards the seabed (3) and the power cable continuing this curvature in the third portion (43) of the power cable (4) to the touch down point (10) of the power cable (4) when projected in a vertical plane comprising a first portion connection point (5) to the structure (1) and the anchored point (7) of the power cable (4).

A SUBSEA POWER COLLECTION SYSTEM INCLUDING A DISTRIBUTED TRANSFORMER ARRANGEMENT

Resumen de: WO2025045394A1

A power collection system (100) for collecting power from a plurality of offshore power generation units comprises a three-phase subgrid (120) and a subsea power substation (130). The subgrid has a plurality of power input points (121) towards the power generation units and a shared three-phase power output point (122). The power substation (130) is connected to the power output point, and its secondary side (132) is arranged to be connected to a power consumer (170). The power substation shall comprise three one-phase transformers (140), which are contained in respective housings (143), wherein each housing is arranged to rest on the seabed and to be liftable to the sea surface separately from the other housings. Each phase of the power output point is connected to a primary side (141) of a corresponding one of the one-phase transformers.

FLOAT FOR OFFSHORE WIND PLATFORMS

Resumen de: EP4517084A1

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.

Vibration reduction power generation floater and floating type fan

Resumen de: CN222558673U

The utility model belongs to the field of offshore wind power, and discloses a damping power generation floater and a floating fan, which comprise a power generation rotating shaft, a floater shell, a first transmission system and a second transmission system, the floater shell is sleeved on the power generation rotating shaft, and the first transmission system comprises a first gear, a second gear, a first rotating shaft and a first ratchet wheel assembly. The second transmission system comprises a third gear, a fourth gear, a second rotating shaft and a second ratchet wheel assembly. According to the utility model, the first transmission system, the second transmission system and other structures are arranged, and no matter the floater rotates clockwise or anticlockwise, the power generation rotating shaft can be driven to rotate unidirectionally, so that the power generation efficiency is improved.

Self-powered ultrasonic algae removal machine

Resumen de: CN222556648U

The utility model discloses a self-powered ultrasonic algae removal machine, which relates to the technical field of ecological algae removal, and comprises a lower frame, the surface of the lower frame is fixedly connected with a floating box, the upper end of the floating box is fixedly connected with an upper frame, and the surface of the upper frame is fixedly connected with an electric control box. A solar panel is fixedly connected to the surface of the electric control box, a first fixing sleeve penetrating through the surface of the electric control box is fixedly connected into the solar panel, a rotating rod is arranged in the first fixing sleeve, four fixing rods which are circumferentially arranged at equal intervals are fixedly connected to the upper end of the rotating rod, and wind scoops are fixedly connected to the ends, away from the rotating rod, of the fixing rods. Two bent scrapers are arranged on the surface of the solar panel, and the surfaces of the scrapers are attached to the surface of the solar panel. According to the self-powered ultrasonic algae removal machine, when wind is used for driving the wind scoop and the fixing rod to do circular motion, the scraping plate can be driven to do circular motion, and then impurities on the surface of the solar panel are scraped away.

Double-impeller semi-submersible floating type wind turbine generator

Resumen de: CN222542578U

The utility model relates to the technical field of offshore wind power generation equipment, and discloses a double-impeller semi-submersible floating type wind turbine generator which comprises a semi-submersible floating type foundation, the whole semi-submersible floating type foundation is of a triangular design, and single-point mooring devices, a lower fan and an upper fan are installed at the triangular positions of the semi-submersible floating type foundation respectively. A mooring anchor cable is installed on the single-point mooring device, and one corner of the semi-submersible floating type foundation is moored and positioned in the ocean through the mooring anchor cable. The double-impeller semi-submersible floating type wind turbine generator solves the problems that in an existing floating type wind turbine generator with double machine heads, in order to keep left-right balance of a foundation, an upper draught fan and a lower draught fan are usually combined, so that a corresponding yaw system needs to be designed for control, the draught fans complete wind alignment, and the wind power generation efficiency is high. Therefore, yaw control of the fan becomes more complex, and popularization and application of the floating type wind turbine generator are not facilitated.

HULL STRUCTURE FOR A SEMI-SUBMERSIBLE WIND POWER TURBINE PLATFORM

Resumen de: US2025065994A1

A hull structure for a semi-submersible wind power turbine platform, a method for loading a set of hull structures onto a semi-submersible cargo carrying marine vessel, and a marine vessel carrying a set of hull structures. The hull structure includes: first, second and third buoyant stabilizing columns extending in a substantially vertical direction; and first, second and third elongated submersible pontoon structures extending in a substantially horizontal direction. The hull structure has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures forming sides of the triangle. The pontoon structures extend between and connects to the columns at lower parts thereof and the third pontoon structure is arranged so that an upper side of the third pontoon structure is located at a lower level in the horizontal direction than an upper side of each of the first and second pontoon structures.

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

Resumen de: US2025067249A1

An offshore electricity production assembly comprising a floating platform, a wind turbine fixed to the floating platform, and inclined mooring tendons, the floating platform comprising:a tubular central buoyant column extending along a longitudinal axis intended to be vertical, the column having an immersed portion defining a first average external diameter, anda plurality of tubular radial buoyant pontoons protruding from the column along radial axes spaced around the longitudinal axis, each of the pontoons defining a second average external diameter, the pontoons being immersed in a body of water.The first average external diameter is larger than the second average external diameter.

HULL STRUCTURE FOR A SEMI-SUBMERSIBLE WIND POWER TURBINE PLATFORM

Resumen de: US2025065993A1

A hull structure for a semi-submersible wind power turbine platform, a method for loading a set of hull structures onto a semi-submersible cargo carrying marine vessel, and a marine vessel carrying a set of hull structures. The hull structure includes: first, second and third buoyant stabilizing columns extending in a substantially vertical direction; first, second and third elongated submersible pontoon structures extending in a substantially horizontal direction. The hull structure has a general shape of a triangle in the horizontal plane with the first, second and third pontoon structures forming sides of the triangle. The pontoon structures extend between and connects to the columns at lower parts thereof, and the third pontoon structure is arranged so that an upper side of the third pontoon structure is located at a lower level in the horizontal direction than an upper side of each of the first and second pontoon structures.

FLOATING WIND PLATFORM AND ASSOCIATED FLOATING WIND ASSEMBLY

Resumen de: US2025065992A1

The invention concerns a floating wind platform able to be placed on a body of water and comprising:a floater structure able to float on the body of water;a tower assembly protruding from the floater structure and extending along a main direction, the tower assembly being able to support a wind turbine nacelle.The tower assembly comprises:a tower able to support the wind turbine nacelle; anda connection part arranged between the floater structure and the tower.The connection part is formed of a composite material.

TUBE ELEMENT FOR FLOATABLE OFFSHORE SUPPORT STRUCTURE FOR WIND TURBINE

Resumen de: WO2025042278A1

Method of forming a tube element for use as a longitudinal section of a brace for a truss structure of a floatable offshore support structure for a wind turbine, comprising: providing four elongate flat steel plates each extending along a longitudinal direction and having two opposite lateral edges; deforming each plate such that, along the longitudinal direction, a transverse shape of the plate smoothly transitions between a rectilinear shape and an arcuate shape; and forming the tube element by interconnecting the four deformed plates along their lateral edges. The interconnected plates each form a respective circumferential section of the tube element, wherein along the longitudinal direction, a transverse shape of the tube element smoothly transitions from a circular shape to a rectangular shape. The tube element may connect a cylindrical further tube element of the brace with a further part of the floatable offshore support structure.

FLOATING OFFSHORE STRUCTURE

Resumen de: US2024425149A1

A floatable offshore structure includes at least one submarine power cable connector configured to connect a submarine power cable. At least one anchor connector is configured to connect at least one anchor connection for anchoring the floatable offshore structure to an underwater bottom, at least one detection arrangement configured to detect an anchor connection breakage indication, and at least one switching equipment configured to at least electrically disconnect the electrical connection to the submarine power cable connected to the submarine power cable connector upon or after the detection of an anchor connection breakage indication.

A POWER COLLECTION SYSTEM FOR OFFSHORE POWER GENERATION UNITS

Resumen de: EP4513029A1

A power collection system (100) for collecting power from a plurality of offshore power generation units (110), comprising: a plurality of subgrids (123), each of which interconnects a cluster of one or more power generation units; a subsea power collector module (150) comprising a plurality of individually switchable input terminals (151), each connected to one of the subgrids, and one output terminal (152); and a subsea power substation (130) comprising at least one input terminal (133) connected to the output terminal of the power collector module and at least one transformer (140), which is shared by two or more clusters of power generation units, wherein a secondary side (132) of the power substation is arranged to be connected to a power consumer (170).

A SUBSEA POWER COLLECTION SYSTEM INCLUDING A DISTRIBUTED TRANSFORMER ARRANGEMENT

Resumen de: EP4513704A1

A power collection system (100) for collecting power from a plurality of offshore power generation units comprises a three-phase subgrid (120) and a subsea power substation (130). The subgrid has a plurality of power input points (121) towards the power generation units and a shared three-phase power output point (122). The power substation (130) is connected to the power output point, and its secondary side (132) is arranged to be connected to a power consumer (170). The power substation shall comprise three one-phase transformers (140), which are contained in respective housings (143), wherein each housing is arranged to rest on the seabed and to be liftable to the sea surface separately from the other housings. Each phase of the power output point is connected to a primary side (141) of a corresponding one of the one-phase transformers.

Floating foundation and wind generating set

Resumen de: CN222512292U

The utility model relates to a floating foundation and a wind generating set, the floating foundation comprises a floating box assembly, the floating box assembly comprises a plurality of heaving boxes and bottom floating boxes, the connecting lines of the centers of the heaving boxes form a polygon, and the bottom floating boxes are connected between every two adjacent heaving boxes; the main stand columns are arranged between the heaving boxes and connected with the bottom floating box; each heaving box is connected with the corresponding side stand column, at least one side stand column comprises a main body part and a connecting piece, at least part of the connecting piece is inserted into the main body part, the connecting pieces are connected with the heaving boxes, and each main body part comprises one of a concrete body and a composite material body. According to the floating foundation and the wind generating set provided by the embodiment of the invention, the floating foundation can meet the requirement for supporting objects on the sea, and meanwhile, the construction cost can be reduced.

HULL STRUCTURE FOR A SEMI-SUBMERSIBLE WIND POWER TURBINE PLATFORM

Resumen de: US2025058857A1

A hull structure for a semi-submersible wind power turbine platform. 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 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 second column has a cross sectional area at its intended operational waterline that is larger than the cross sectional area of each of the first and third columns at their corresponding intended operational waterlines so that the second column exhibits an operational waterplane area that is larger than the operational waterplane area of each of the first and third columns when the hull structure is set in the operational state.

METHOD FOR INSTALLATION OF A TRANSITION PIECE ON A MONOPILE FOUNDATION

Resumen de: US2025059721A1

A method for installation of a transition piece on a monopile foundation of an offshore wind turbine along a common axis extending in a longitudinal direction is performed from a floating installation vessel. Buffer elements are arranged around an inner circumference of the transition piece and/or the monopile structure. The transition piece is lifted and lowered onto the monopile structure by use of a crane, and landed onto the monopile structure through the use of the buffer elements. A number of hydraulic cylinder jacks for circumferential alignment of bolt holes are provided in the transition piece and monopile, and alignment tools are used for alignment of the flanges provided on each of the transition piece and the monopile. The transition piece is lifted and the buffer elements are removed after which the transition piece is lowered onto the monopile, and bolts are tensioned fix the transition piece to the monopile.

FLOATING STRUCTURE AND WIND POWER GENERATION APPARATUS

Resumen de: US2025058856A1

Disclosed herein are a floating structure and a wind power generation apparatus. The floating structure according to an aspect of the disclosure includes a plurality of columns providing buoyancy and a connecting body connecting the plurality of columns, wherein at least one of the plurality of columns includes a plurality of column bodies connected to each other, and a hollow portion formed surrounded by the plurality of column bodies.

Damping device of wind driven generator base

Nº publicación: CN222502527U 18/02/2025

Solicitante:

LIAONING ZHONGYUAN POWER CONSTRUCTION ENG CO LTD
THE NO 6 ENG CO LTD OF CHINA RAILWAY BEIJING ENG GROUP
\u8FBD\u5B81\u4E2D\u8FDC\u7535\u529B\u5EFA\u8BBE\u5DE5\u7A0B\u6709\u9650\u516C\u53F8,
\u4E2D\u94C1\u5317\u4EAC\u5DE5\u7A0B\u5C40\u96C6\u56E2\u7B2C\u516D\u5DE5\u7A0B\u6709\u9650\u516C\u53F8

Resumen de: CN222502527U

The utility model discloses a wind driven generator base damping device which comprises an installation plate, an outer cylinder shell and an inner cylinder shell, an outer damper is fixedly installed on the upper surface of the installation plate, the outer cylinder shell is fixedly installed at the floating end of the outer damper, and the inner cylinder shell is installed in the outer cylinder shell in a sliding mode. An inner damper is fixedly installed on the inner top face of the outer barrel shell, the floating end of the inner damper abuts against the outer edge of the lower end of the inner barrel, the inner damper is sleeved with a spring, the upper end of the spring is attached to the inner top face of the outer barrel, and the lower end of the spring is attached to the outer edge of the lower end of the inner barrel shell. The outer barrel shell and the outer damper are combined to absorb and digest torsion of the downward pressing part, the inner damper is matched with the spring to absorb and digest torsion of the upward pulling part, the inner damper and the spring are matched with each other, torque and vibration in the base swinging process are effectively eliminated and relieved, and therefore the service life is prolonged.