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271
resultados
Última actualización
03/08/2025 [07:01:00]
Resumen de: DE102024102639A1
Schwimmkörper (10) mit einer Mehrzahl von um einen Träger (20) konzentrisch angeordneten Kugeln (30), wobei wenigstens eine erste Teilmenge der Kugeln (30) in wenigstens einer ersten Ebene und wenigstens eine zweite Teilmenge der Kugeln (30) in wenigstens einer zur ersten Ebene parallel angeordneten zweiten Ebene angeordnet sind, dadurch gekennzeichnet, dass die Kugeln (30) der zweiten Ebene zu den Kugeln (30) der ersten Ebene derart versetzt angeordnet sind, dass die Kugeln (30) der zweiten Ebene in die Zwischenräume zwischen den Kugeln (30) der ersten Ebene eingreifen.
Resumen de: AU2023426293A1
The invention relates to a self-lifting system formed by three masts (1) with their corresponding winches (2), pulleys and cables (3), a lifting triangle (4) that moves up and down between said masts (1) and supporting bases (5), wherein the three masts (1) are braced (6) against each other. The system has a temporary foundation (10) for supporting the tower sections (9, 9', 9") and the tripod or transition part (21) during the assembly process. The lower flange (18) of the sections incorporates a connection ring (11), where the complementary elements formed by struts (12) and horizontal beams (13) extending from the vertices of the triangle (4) are assembled and joined to each other by a crossbar (14). The struts (12) and the horizontal beams (13) move in a retractable manner and fold by means of associated systems in order to release the tower segments. The method of assembly used lifts different types of tubular and mixed wind turbines with lower latticework.
Resumen de: US2025243844A1
The invention provides a controller for a wind turbine having three rotor blades, the controller being for controlling activation of individual pitch control of the rotor blades. The controller is configured to receive a flap load signal, from a flap loading sensor of each of the three rotor blades, indicative of flap loading on each of the respective rotor blades. The controller is configured to determine, based on the received flap load signals, a statistical dispersion parameter of flap loading for each of the rotor blades, the statistical dispersion parameters being indicative of a wind event in a wind field in which the wind turbine operates. The controller is configured to control activation of individual pitch control based on the respective statistical dispersion parameters.
Resumen de: US2025243849A1
A wind turbine nacelle includes a rotor generator shaft, a rotor connected to the rotor generator shaft, an array of permanent magnets mounted on a circular outer surface of the rotor, a rotor hub directly connected to a forward end of the rotor generator shaft, a plurality of circumferentially spaced blades mounted on the rotor hub to face upwind, a stator ring surrounding the rotor, a plurality of encased coils mounted on an inner surface of the stator ring facing and radially spaced from the array of permanent magnets, a rear chassis attached to a rear surface of the stator ring and having a rear bearing housing, a rear bearing mounted in the rear bearing housing, a forward chassis attached to a front surface of the stator ring and having a front bearing housing, and a front bearing mounted in the front bearing housing.
Resumen de: US2025243846A1
This wind power generation device includes a plurality of rotary blades 15 around a rotation axis. Each rotary blade 15 includes a front blade surface 16 parallel to the rotation axis and curved so as to protrude frontward in a rotation direction, and a rear blade surface 17 located on the back side of the front blade surface 16, being parallel to the rotation axis, being curved so as to be concave frontward in the rotation direction, and having a smaller curve depth than the front blade surface 16. The front blade surface 16 includes a first curved surface 19 forming a part far from the rotation axis and formed frontward in the rotation direction from an outer end 21 of the rotary blade 15, and a second curved surface 20 forming a part close to the rotation axis Li and formed rearward in the rotation direction from a crest 18 of the front blade surface 16 so as to connect to an inner end 22, a surface length thereof in a plan view being smaller than that of the first curved surface 19. The first curved surface 19 has recesses 23 at positions closer to the outer end 21 than to the crest 18 of the front blade surface 16. Thus, a rotary blade that rotates by receiving a fluid and can improve rotation efficiency, is provided.
Resumen de: US2025243843A1
The present document relates to an airborne wind-driven energy-converting apparatus, as well as wind-driven energy systems including such an apparatus and methods of producing wind-driven energy.
Resumen de: US2025243842A1
A wind powered turbine is disclosed that comprises two concentric cylinders. The first cylinder is located within the perimeter of the second cylinder. Both the first cylinder and the second cylinder comprise a plurality of blades. The first cylinder and its blades move in response to wind activity. The second cylinder and its blades do not move when the first cylinder and its blades are moving. The curvature of the blades of the first cylinder and the curvature of the blades of the second cylinder are in different directions with respect to each other.
Resumen de: US2025243845A1
A system for a wind turbine nacelle includes a rotor head, a plurality of blade holders connected to the rotor head, and a shaft having a first end that extends into the rotor head. Linear movement of the shaft causes movement of the plurality of blade holders. The system further includes an electromechanical pitch actuator connected to a second end of the shaft and configured to translate linearly to move the shaft linearly. The system further includes a linear drive system connected to the electromechanical pitch actuator. The system further includes a fail-safe system connected to the electromechanical pitch actuator via the linear drive system. The fail safe system actuates to force the electromechanical pitch actuator rearward to move the blades into a stall blade position.
Resumen de: US2025243850A1
An elevated or ground level vertical cylinder houses one or more propellers and/or turbines that are rotated by heated air convection within or around or above the cylinder. The rotating shafts of the propellers generate electricity in an area at the bottom of or below the cylinder. For added, improved air flow directions and volumes; and, for stabilization of the rotating shaft or shafts, a cone structure is disposed below the cylinder. Heat is directed to the cylinder by a plurality of sun tracking concave mirrors that are positioned in concentric circles at various heights. The cylinder may be composed of concrete, ceramics, metal compounds or other materials and operate with a surface temperature that may range from 70 to 1,300 degrees Fahrenheit. Disclosed embodiments include the use of heat sinks, internal blades disposed upon pyramid structures and flexible vanes and flaps,
Resumen de: US2025243841A1
A wind turbine nacelle includes a stub mast, a frame rotatably mounted on the stub mast, and a yaw drive system that rotates the frame to adjust orientation of the frame. The yaw drive system includes a yaw brake assembly positioned coaxially with the stub mast that exerts a constant braking torque on a brake disk connected to the frame and has a brake pad with a coefficient of friction that creates the braking torque without slipstick.
Resumen de: US2025243840A1
A system for a wind turbine nacelle having a shaft housing, a blade shaft that extends through the shaft housing and is rotatable relative to the shaft housing, a blade holder connected to the blade shaft, and an outer bearing between the blade shaft and the shaft housing includes a conical spring. The conical spring engages a portion of the outer bearing to exert a preload force on the outer bearing. The system further includes a backstop surrounding the blade shaft and having an interference fit with the blade shaft and a pin extending through the blade shaft and the blade holder. The pin is positioned to prevent the blade shaft from moving relative to the backstop.
Resumen de: US2025243847A1
A tower assembly system can include a self-climbing platform that can carry a load to a determined height, which once attained, can place the load into position. A method for assembling a wind turbine can involve placing a first tower section in an upright position on a tower base and using an elevator assembly platform attached to the first tower section to elevate, position and connect subsequent tower sections until the subsequent tower sections are located directly above the first tower section in a vertical tower assembly. The elevator assembly platform can perform vertical displacement operations and lateral displacement operations with respect to one or more components of the wind turbine, such as, for example, the first and subsequent tower sections, nacelle, blades, etc.
Resumen de: US2025243762A1
A blade is used in fluid and includes: a base member; and a coat layer that is formed on the base member, a plurality of first grooves and a plurality of second grooves are formed on a surface of the coat layer, a pitch of the plurality of first grooves is different from a pitch of the plurality of second grooves.
Resumen de: US2025242896A1
The present application discloses a floating-type wind power generation platform and a floating-type wind power generation system. The floating-type wind power generation platform includes a first transverse connector and multiple floating support components, where the multiple floating support components are arranged at intervals on the water surface in a horizontal direction, and the first transverse connector includes a first connecting rod and an outward-extending plate, the first connecting rod has both ends connected to two adjacent floating support components, and the outward-extending plate extends from the outer side wall of the first connecting rod in a direction away from the center of the first connecting rod.
Resumen de: US2025242895A1
In the energy collection location changing system, a power generation floating body and a collection station setting system are provided so as to be able to perform data communication with each other. The power generation floating body has a power generation storage unit for storing the power generation energy and a navigation unit for navigation of the own base, and the collection station setting system has a location determination unit for determining a recovery position in which the collection station is provided based on at least one of a wind condition and a sea condition, a location notification unit for notifying the recovery position to each of the power generation floating bodies, and a setting unit for providing the collection station in the recovery position, and the navigation unit of the power generation floating body causes the own base to travel to the recovery position.
Resumen de: US2025246959A1
An electrical machine is provided, in particular a dual three-phase fractional slot synchronous machine, including: a stator providing plural slots between plural teeth; a first multi-phase winding set; and a second multi-phase winding set, wherein the first winding set and the second winding set are both provided as star-delta connection and at least partially arranged in the slots and wound around the teeth.
Resumen de: US2025243788A1
An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a solid oxide electrolysis system to maintain in an electrolysis operating temperature range during operation and nonoperation, thereby increasing the efficiency of the temperature control.
Resumen de: AU2024220884A1
The invention relates to the wind turbines and wind turbine blades' maintenance devices, in particular, to the methods and devices for patching wind turbine blade surface. The claimed device comprises: a patching head, comprising: a frame enclosure open on one side; the frame enclosure having a patch placement area designed to be in the form of a UV-transparent membrane, configured to be substantially flat at least in its center and have a border that extends outward; the frame enclosure further comprising suction interface, configured to be applied to a surface of a wind turbine blade and to hold the frame enclosure in the place, in respect to the blade; a curtain with curtain holding arrangement. The curtain is designed to be UV-opaque and configured to be removably attached in front of the membrane, so to close the open side of the frame enclosure and to guard a patch from the ambient UV light exposure, when the patch is placed on the membrane. The frame enclosure further comprising a UV light source configured to expose a patch placed on the patch placement area to the UV light. The device further comprises a pump system, connected to the suction interface of the patching head; a robotic arm, designed to grip and position the patching head, to exert substantially perpendicular pressure onto the blade surface via the frame enclosure during activation of the vacuum pump system.
Resumen de: WO2024170846A1
The invention relates to a semi-submersible float (2-1), in particular for an offshore wind turbine comprising four columns including one central column (4) intended to receive a wind turbine tower (6) and at least three outer columns (8) which are connected to the central column by arms forming lower pontoons (10). The float is free of upper arms connecting the central column to the outer columns and the outer columns and the lower pontoons are each formed by an assembly of planar panels (81 to 86, 101 to 104) each having a polyhedral cross-section. The invention also relates to a method for constructing such a float.
Resumen de: US2025243848A1
A method of operating a heating system of a wind turbine connected to an electrical grid. The method includes receiving, via a heating circuit of the heating system, a voltage signal from the electrical grid. The method also includes processing the voltage signal using the heating circuit of the heating system. Processing the voltage signal using the heating circuit of the heating system includes superimposing a pulse width modulation (PWM) signal onto the voltage signal. Further, the method includes providing continuous temperature control to at least one heating element of the heating system via the PWM signal from the heating circuit. In addition, the method includes maintaining a temperature of the at least one heating element within a temperature range using the PWM signal during operation of the wind turbine to minimize temperature cycling of the at least one heating element.
Resumen de: WO2024062257A1
A floating structure (1) having three buoyant bodies (3,5,7) for supporting a horizontal axis wind turbine (6) and wind turbine tower (27). The floating structure (1) is provided with a geostationary mooring system that permits it to weathervane in order to head the wind turbine (6) into the wind, and has a wind turbine tower mount (29) for supporting the wind turbine tower (27). A central buoyant body (3) is located partially above water during assembly and tow out from port and is ballasted so that it is underwater when moored offshore, such that the floating structure (1) becomes a semi¬ submersible. The three buoyant bodies (3,5,7) are ship-shaped in form which reduces loads in the mooring system, and are made from stiffened flat plates, which are easier for many yards and fabrication shops to make, compared to cylindrical hulls.
Resumen de: AU2023345000A1
The invention relates to an arrangement for use in any of installing or replacing a part, maintaining, and constructing a wind turbine, the arrangement comprising a longitudinal structure at least partially supported on a wind turbine tower, a guide track connected to the longitudinal structure and a dolly arranged to follow the guide track along the longitudinal structure.
Resumen de: CN119895142A
A support structure for a wind turbine (100), the support structure comprising:-a rotor bearing housing (201), where the rotor bearing housing (201) is configured to accommodate a rotor bearing (250) for rotatably supporting a rotor shaft (114); -a base (202) wherein the base (202) is configured to be rotatably mounted on a top (103) of a tower (102) of the wind turbine (100) at a first end (203) of the base (202) wherein the base (202) is configured to be mounted with the rotor bearing housing (201) on a second end (204) of the base (202) wherein the base (202) comprises a side wall (205) extending between the first end (203) and the second end (204), and the side wall (205) comprises a passage opening (206) for people to pass through.
Resumen de: AU2023346225A1
Shaftless vertical-axis wind turbine, comprising a hub (3) and a plurality of C-shaped blades (20), wherein each blade (20) comprises: a lower radial airfoil (221) arranged on the inner frame (120) at a lower radial portion (21) of the blade, a vertical airfoil (223) arranged on the inner frame (120) at a vertical portion (23) of the blade, and an upper radial airfoil (222) arranged on the inner frame (120) at an upper radial portion (22) of the blade, wherein at least one portion of the vertical airfoil (223) of each blade (20) is rotatable about a relevant axis of rotation, in a manner that is independent from the homologous portions of the vertical airfoil (223) of the other blades (20), to adjust the angle of attack or the curvature of the relevant vertical airfoil (223).
Nº publicación: EP4590958A1 30/07/2025
Solicitante:
NORDEX ENERGY SE & CO KG [DE]
Nordex Energy SE & Co. KG
Resumen de: WO2024061667A1
The method is for operating a wind turbine (100) having a rotor (10) with at least one rotor blade (1, 2, 3), a tower (20) and a pitch setting system (13). The method comprises a step in which first information is provided which is representative for a bending moment of the at least one rotor blade. In another step, second information is provided which is representative for the wind turbulence intensity at the rotor. In another step, third information is provided which is representative for a predetermined maximum allowed bending moment of the at least one rotor blade. The maximum allowed bending moment is dependent on the wind turbulence intensity at the rotor. In another step, fourth information is determined depending on the first, the second and the third information and is representative for whether the bending moment exceeds the maximum allowed bending moment at the wind turbulence intensity. If this is the case, an output signal is generated which is configured to cause the pitch setting system to change the pitch angle of the at least one rotor blade in order to reduce a deflection of the at least one rotor blade towards the tower when passing the tower.
BOPI
Sede Electrónica
