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403
resultados
Última actualización
08/05/2026 [07:17:00]
Resumen de: US20260124781A1
Method and press for producing a curved laminated wood module including a plurality of laminated veneer lumber (LVL) boards, where the press includes a convex mold, where the mold is arranged on a frame, and where the press includes an upper part adapted to be placed on the plurality of LVL boards, where the press further includes a plurality of pulling brackets and pulling means attached between the frame and the pulling brackets, where the pulling means are arranged to pull the pulling brackets towards the frame until the plurality of LVL boards bears completely on the mold.
Resumen de: EP4737710A1
Wind turbine, control system, and method of operating a wind turbine (1) under potential icing conditions to reduce vibrations during idling or standstill operation, comprising: determining a potential icing condition for one or more blades (2,3,4), establishing a danger zone (10) where the falling of ice is to be avoided, identifying a risk of falling ice within the danger zone (10, wherein if a risk of falling ice in the danger zone (10) is identified, the method comprises: a) setting a pitch angle (P) of a first rotor blade (2) close to 0°, wherein a one or more further blades (3,4) comprise a pitch angle (P) differing by at least 30° from the first rotor blade (2); and b) adjusting the rotor yaw orientation (W) away from the danger zone (10).
Resumen de: WO2025003294A1
The invention relates to a platform (10) for temporarily or permanently mounting to an existing tower structure (1) of a wind turbine, comprising: a scaffold (20) for receiving a crane; and jibs (30) for fastening the platform (10) to the tower structure (1).
Resumen de: EP4737707A1
A serrated panel for a trailing edge of a wind turbine rotor blade, the serrated panel comprising• a plurality of teeth, each tooth having a tip, a base, two edges running from the tip to the base, a pressure side surface and a suction side surface, and• a plurality of vanes arranged side by side with a gap between each pair of adj acent vanes, each vane beginning at one of said edges and extending rearwards in a longitudinal direction, wherein each vane has a vane length, a vane width and a vane height, characterized in that• the pressure side surfaces of the teeth comprise a base surface and a plurality of humps, wherein each hump has a crest and a sloped, circumferential surface that transitions smoothly into the base surface.
Resumen de: EP4737718A1
The present invention provides a rotor lock system (100) for a wind turbine generator. To move the rotor lock system (100) a lubrication pump (140) is switched ON. The lubrication pump sprays lubrication oil at high pressure through a nozzle (170) on the fins of the impeller (160) mounted on high-speed shaft (220) of a gearbox (130) to rotate the high-speed shaft (220). The high-speed shaft of the gearbox (130) is configured to rotate a main shaft (210) and a rotor lock disc (120) of a wind turbine to align the rotor lock disc (120) with respect to plurality of lock-pins (110).
Resumen de: EP4738658A1
0001 The subject of the present invention is a low-resistance and low-speed motor-generator comprising a rotor comprising an outer magnetic ring (1) and an inner magnetic ring (2), and a stator comprising a serpentine coil (4), arranged between the outer magnetic ring (1) and the inner magnetic ring (2), wherein the at least one magnetic ring constitutes a multipole monolithic magnet. In a preferred variant of the present invention, the serpentine coil (4) comprises at least one layer of an electrical conductor and at least one layer of a material with good magnetic permeability which are arranged alternatingly, which can be referred to as an air serpentine coil with an "inner core".
Resumen de: EP4516494A1
A method for manufacturing a wind turbine blade, comprising the stepsa) Manufacturing a raw wind turbine blade (1) by lamination of one or multiple layers of fiber material, wherein the raw wind turbine blade (1) comprises at least one groove (2) running at least with a directional component along a spanwise direction (S);b) Filling the at least one groove (2) with a hardenable filler material (3) so that a filled groove (21) is provided;c) Providing a grinding apparatus (4)- comprising a tool head (41) with at least one grinding means (411, 415),- wherein the tool head (41) is moveable at least along thespanwise direction (S),- and wherein a shape of the tool head (41) is adaptable atleast with respect to a plane running perpendicular to thespanwise direction (S);d) Placing the grinding means (411,415) of the tool head (41) on a section of the filled groove (21);e) Adapting the shape of the tool head (41) so that it corresponds with a shape of a cross-section of an airfoil geometry of the wind turbine blade at a given spanwise position;f) Moving the tool head (41) in the spanwise direction (S), thereby continuously grinding of filler material (3) with the grinding means (411,415).The method allows for an automation of currently manually executed grinding steps and thus both increases production speed and lowers costs for wind turbine blades.
Resumen de: EP4737768A1
A gearbox central shaft for a wind turbine generator, which is configured to simplify the complicated structure of the gearbox central shaft. The gearbox central shaft includes a sun shaft (2), an output shaft (3) and a connecting shaft (4); where the sun shaft is configured to be connected to a sun gear (5) and driven to rotate by the sun gear; the output shaft is configured to be connected to and drive an output gear (6) to rotate; and the connecting shaft includes a sun shaft connecting portion (7), a middle section (8) and an output shaft connecting portion (9), the sun shaft connecting portion being connected to the sun shaft at an axial end of the connecting shaft and being elastically connected to the middle section, and the output shaft connecting portion being connected to the output shaft at the other axial end of the connecting shaft and being elastically connected to the middle section.
Resumen de: EP4516492A1
Lifting yoke, adapted for transporting convex or concave preform elements (12) comprising a layer stack of fiber mats fixated by means of a binding agent and adapted for the production of a wind turbine rotor blade, comprising a number of gripper elements (6) adapted to grip the preform element (12) and arranged in a convex or concave geometry at a suspension device (5) of the yoke (1), and a supporting device (2) connected to the suspension device (5) , which supporting device (2) comprises a connection device (3) adapted to connect the yoke (1) to a lifting means (4) and a rotation device adapted to rotate a part (14) of the supporting device (2) carrying the suspension device (5) relative to the connection device (3) around a horizontal axis (A).
Resumen de: EP4737712A1
0001 The present application relates to a floating support foundation, a wind turbine, and a control method. The floating support foundation includes: a floating main body including n floating columns spaced apart around a first axis and connecting bodies connecting every adjacent two of the floating columns, n≥3, the n floating columns including one first floating column and n-1 second floating columns, and the first floating column being used for supporting the tower; stabilization devices, each of the second floating columns being connected to a respective one of the stabilization devices, the stabilization device including a drive assembly, a first impeller, and a base connected to the second floating column, the base having an inner cavity, and a first opening and a second opening communicating with the inner cavity, the first opening, the inner cavity, and the second opening forming a flow channel for the seawater, the first impeller being disposed in the inner cavity, the drive assembly driving the first impeller to rotate and causing the seawater to flow within the flow channel, so as to adjust the second floating column connected to the stabilization device to float upward or sink downward. The present application has a simple structure and relatively low cost.
Resumen de: EP4737714A1
0001 The present application relates to a floating-type wind turbine floating body, a wind turbine generator system and a control method. The floating-type wind turbine floating body includes: a main column, configured to support a tower; a plurality of first connecting bodies, wherein the plurality of first connecting bodies are arranged at intervals in a circumferential direction of the main column and are connected to the main column respectively; a plurality of auxiliary columns, wherein the plurality of auxiliary columns are distributed at intervals in the circumferential direction, and one end of each of the first connecting bodies facing away from the main column is connected to a corresponding auxiliary column of the auxiliary columns; wherein each of the auxiliary columns has a first static chamber and a first dynamic chamber that are independently arranged, a first medium is enclosed within the first static chamber, each of the auxiliary columns is provided with a first opening connected to the first dynamic chamber and a first control valve, and the first control valve controls opening and closing of the first opening to adjust a volume of the seawater entering the first dynamic chamber. According to the floating-type wind turbine floating body, wind turbine generator system and control method provided in the embodiments of the present application, the floating-type wind turbine floating body has a fast response speed and a good stability effect.
Resumen de: EP4737709A1
A yaw control method and apparatus, a controller, and a wind turbine generator set. The yaw control method comprises: determining a wind direction deviation value on the basis of the wind-facing direction of an impeller of the wind turbine generator set and an actual incoming flow wind direction; and in response to the absolute value of the wind direction deviation value being greater than a predetermined threshold, and a duration in which the absolute value of the wind direction deviation value is greater than the predetermined threshold being greater than a predetermined time period, controlling the wind turbine generator set to yaw. The yaw control method can improve the generation power of the wind turbine generator set.
Resumen de: EP4737711A1
0001 The present application relates to a wind turbine foundation, a wind turbine, and a control method. The wind turbine foundation includes: a floating body, comprising a main column, a plurality of auxiliary columns, and connecting bodies, the main column being used for connecting to a tower, the bottom wall of each auxiliary column being provided with a stabilization device, the stabilization device comprising a drive assembly, a first impeller, and a base connected to the auxiliary column, the base having an inner cavity, and a first opening and a second opening communicating with the inner cavity, the first opening and the second opening having a height difference in a first direction, the first opening, the inner cavity, and the second opening forming a flow channel for seawater, the first impeller being disposed in the inner cavity, the drive assembly driving the first impeller to rotate and causing the seawater to flow within the flow channel, so as to adjust a tilt angle between the floating body as a whole and a reference plane. The present application has a simple structure and relatively low cost.
Resumen de: EP4737713A1
The present application relates to a wind turbine foundation, a wind turbine generator system and a control method. The wind turbine foundation is capable of being arranged in seawater and configured to support a tower, wherein the wind turbine foundation includes: floating bodies, wherein a number of the floating bodies is n, the floating bodies are arranged at intervals from each other, and lines connecting centers of the floating bodies form a polygon as a whole, where n≥3; connecting bodies, wherein a corresponding one of the connecting bodies is connected between every two adjacent floating bodies; wherein each of the floating bodies has a static chamber and a dynamic chamber that are independently arranged, a first medium is enclosed within the static chamber, each of the floating bodies is provided with a first opening connected to the dynamic chamber and a first control valve, and the first control valve controls opening and closing of the first opening to adjust a volume of the seawater entering the dynamic chamber. According to the wind turbine foundation, wind turbine generator system and control method provided in the embodiments of the present application, the wind turbine foundation has a fast response speed and a good stability effect.
Resumen de: WO2025002982A1
The method is for operating a wind turbine (100) having a rotatable component (1 to 4) and at least two drives (di) for rotating the rotatable component by exerting torques. The method comprises a step of providing first information (I1) which is representative of a position setpoint (Pn) of the rotatable component and a step of providing second information (I2) which is representative of an operational variable of the wind turbine. In a further step, third information (I3) is determined depending on the second information, wherein the third information is representative of which drive is to be operated as a master drive (dm). Thereby, the drive to be operated as the master drive depends on the operational variable. Furthermore, a step is executed in which operating setpoints (OS_i) for the drives are generated depending on the first information and the third information such that, when the drives are operated according to the operating setpoints, the drives bring or keep the rotatable component at the position setpoint by exerting torques. The torques exerted by the drives are at least temporarily different. The operating setpoints are determined such that the value of the torque exerted by the master drive is always greater than or at least equal to the value of the torque exerted by the at least one other drive.
Resumen de: WO2025002769A1
The method for operating a wind turbine (100) having a rotatable component (1 to 4) and at least two drives (di) for rotating the rotatable component by exerting torques comprises a step of providing first information (I1) which is representative of a position setpoint (Pn) of the rotatable component. In a further step, operating setpoints (OS_i) are determined depending on the first information such that, when the drives are operated according to the operating setpoints, the drives bring or keep the rotatable component at the position setpoint by exerting torques. The operating setpoints are determined such that, at least when the position of the rotatable component is to be kept constant, less than half of the drives exert a torque in a critical torque range around the value of 0.
Resumen de: NL2035238B1
0001 2 l ABSTRACT Method and wind turbine controller for controlling a wind turbine for improved wake 5 mixing. The method comprises the steps of monitoring a periodic component of an air stream incoming on the at least first blade; controlling periodically and dynamically a pitch angle of the at least first blade over time according to a wake mixing control scheme on the basis of the monitored periodic component. For an array of at least a first wind turbine and a second downstream wind turbines, the method comprises controlling the first wind 10 turbine such that the wake formed downstream of the first wind turbine follows a first periodic pattern, and controlling the second wind turbine such that the wake formed by the second turbine follows a second periodic pattern, wherein at least one of a frequency, a direction and/or a phase shift of the second periodic pattern is coordinated with the first pattern. 15 Fig 8
Resumen de: WO2025002787A1
The method for operating a wind turbine (100) having a rotatable component (1 to 4) and at least two drives (di) for rotating the rotatable component by exerting torques comprises a step of providing first information (I1) which is representative of a position setpoint (Pn) of the rotatable component and a step of providing second information (I2) which is representative of the actual torque difference (ΔMa) between the actual torques exerted by the drives. In a further step, third information (I3) is provided which is representative of an external load (Me, Ve) acting on the rotatable component. In another step, fourth information (I4) is determined depending on the third information. The fourth information is representative of a torque difference setpoint (ΔMn) between the torques exerted by the drives. The torque difference setpoint depends on the external load. Furthermore, a step is executed in which operating setpoints (OS_i) are determined depending on the first, the second and the fourth information such that, when the drives are operated according to the operating setpoints, the drives bring or keep the rotatable component at the position setpoint by exerting torques. The operating setpoints are determined using a feedback loop with the second and the fourth information as input information so that the difference between torque difference setpoint and the actual torque difference is minimized.
Resumen de: WO2025002521A1
A wind turbine nacelle having a base frame comprising a nacelle mounting ring including a mounting face adapted to be mountable to a wind turbine tower. The nacelle mounting ring has an open central aperture that, in use, conjoins an interior volume of the nacelle and an interior volume of the tower, wherein the mounting face defines a mounting plane. The wind turbine nacelle includes at least one electrical cabinet that is movably coupled, either directly or indirectly, to the base frame at a coupling point or, more simply, 'coupling', to move between a first and a second position. The coupling point is located within a cylindrical volume defined by and concentric with a diameter of the nacelle mounting ring, and which extends upwards from the mounting plane by a perpendicular distance corresponding to 80% of the diameter of the nacelle mounting ring and which extends downwards from the mounting plane by a perpendicular distance corresponding to 20% of the diameter of the nacelle mounting ring.
Resumen de: WO2025002523A1
The invention relates to activation of a pitch controller for controlling pitch of rotor blades of a wind turbine. The invention includes receiving a sensor signal, from at least one sensor of the wind turbine, indicative of oscillatory motion of a component of the wind turbine. The invention includes determining, based on the received sensor signal, a magnitude of the oscillatory motion of the component, and determining, based on the determined magnitude, a rate of change of the magnitude of oscillatory motion. The invention includes controlling activation of the pitch controller based on the determined rate of change of the magnitude of oscillatory motion.
Resumen de: EP4737298A1
0001 An anchor device (20) includes: a shaft member (22) extending along a central axis (A) and receiving attachment of a tension member (85); and a first plate member (30) and a second plate member (40) configured to be rotatable relative to each other about the central axis (A), in which the first plate member (30) includes a first back end portion (31) farthest from the central axis (A) in a direction in which the first plate member (30) extends and a direction orthogonal to the central axis (A), the second plate member (40) includes a second back end portion (41) farthest from the central axis (A) in a direction in which the second plate member (40) extends and a direction orthogonal to the central axis (A), and the anchor device (20) is configured to be able to change from a folded state in which the first back end portion (31) and the second back end portion (41) are close to each other to an unfolded state in which the first back end portion (31) and the second back end portion (41) are far from each other.
Resumen de: WO2025002522A1
A wind turbine blade (20) that extends longitudinally in a spanwise direction between a root end (24) and a tip end (26), and in a chordwise direction between a leading edge (28) and a trailing edge (30), is disclosed. The wind turbine blade (20) includes a first opposing half-shell portion (34) and a second opposing half-shell portion (36) which together define an interior (38) the wind turbine blade (20), and at least one shear web (52) that extends between the first opposing half-shell portion (34) and the second opposing half-shell portion (36). The wind turbine blade (20) further includes at least one vibration damping device (60, 90, 122, 124, 126, 128, 132, 204, 224, 230, 250) for reducing noise emission from the wind turbine blade (20). The at least one vibration damping device (60, 90, 122, 124, 126, 128, 132, 204, 224, 230, 250) includes at least one resonating member (62, 138, 202, 232, 260) that extends from a surface of the wind turbine blade (20) to a distal end (70, 96, 156, 186, 206, 234, 262) that is configured to oscillate to dissipate vibrational energy away from the surface of the wind turbine blade (20).
Resumen de: WO2025003714A1
An energy harvesting device is disclosed. The energy harvesting device comprises one or more foils and a pressurised energy conversion system. The pressurised energy conversion system comprises a working fluid, one or more fluid displacement devices configured to be driven by movement of the one or more foils and one or more generators configured to be driven by the working fluid. Advantageous, the energy harvesting device can efficiently harvest energy from a turbulent fluid flow.
Resumen de: WO2025002978A1
The present invention relates to new uses for coolants in wind turbine cooling systems.
Nº publicación: EP4735372A1 06/05/2026
Solicitante:
LM WIND POWER AS [DK]
LM Wind Power A/S
Resumen de: EP4484354A1
A lifting device (50) designed for turning of a shear web in wind turbine blades. The device enables the shear web, comprising a web body positioned between two mounting flanges, to be turned from a horizontal to a vertical orientation around a longitudinal axis extending through the centre of gravity. The lifting device comprises an elongated body (52) with two attachment points, fixing devices (60, 60') to releasable engage the shear web near the mounting flanges. The lifting device further comprises first and second repositioning mechanisms (72, 72') that allow for flexible adjustment of the distances between the fixing devices and the respective attachment points along the elongated body. This feature facilitates the positioning of the shear web's centre of gravity between the attachment points, ensuring efficient lifting and handling during wind turbine blade assembly.
BOPI
Sede Electrónica
