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150
resultados
Última actualización
30/04/2025 [07:09:00]
Resultados 50 a 75 de 150
Resumen de: WO2025054087A1
Techniques are disclosed herein for minimizing movement of a fixed marine structure. Using the technologies described, a wind turbine may be mounted on a fixed marine platform that is secured by mooring lines coupled to one or more driven anchor piles. Each of the anchor piles may be driven into the seabed floor at an angle of batter that is less than or equal to an angle of inclination of a corresponding morning line.
Resumen de: 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.
Resumen de: 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.
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.
Resumen de: ES3004632A2
The present invention relates to a mooring system for a floating platform (100) that eliminates the pitch and roll movements of the floating platform (100) by means of several mooring lines (200) attached to the seabed (5), which are supported on several rotary securing means (2, 3) or pulleys of the floating platform (100) and are all attached to a shared counterweight (1) that hangs from the platform (100). Each mooring line (200) comprises sublines (200d, 200c) (direct, crossed or diagonal), which maintain the counterweight (1) always coinciding with the central axis (300) of the floating platform (100). It also eliminates the pendular movement of the counterweight (1) and can be used for floating platforms (100) with an odd number of projecting structural arms (12). The system can be used in any type of floating platform (100), although it is specially suited for floating platforms that serve as support for marine wind farms and maritime leisure platforms.
Resumen de: 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.
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.
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
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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
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\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.
BOPI
Sede Electrónica
