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480
results.
Updated on
07/04/2026 [07:08:00]
Results 375 to 400 of 480
Absstract of: EP4715202A1
An aerial vehicle obtains information regarding the external condition of a wind turbine. The wind turbine includes a tower, a nacelle rotatably supported by the tower, and a wireless charging device provided in the nacelle for charging the aerial vehicle. The aerial vehicle charged by the wireless charging device can stably acquire information regarding the appearance of the wind turbine without being limited in an available flight time.
Absstract of: EP4714816A1
A tensioned leg floating platform mooring system and related methods may be used to secure the position of a floating platform. For example, the floating platform mooring system may include at least three fixed-length mooring lines coupled at different locations between a floating platform and one of one or more mooring piles. Additionally, the tensioned leg floating platform mooring system can include an adjustable-length mooring line coupled between the floating platform and one of the one or more mooring piles. The floating platform mooring system may further include a mooring line tension device coupled to the adjustable-length mooring line. The mooring line tension device may adjust a tension of the adjustable-length mooring line by adjusting a length of the adjustable-length mooring line in situ.
Absstract of: EP4715200A1
It is determined which of the teeth of a ring gear are subject to a load and to what extent the load is exerted. A load measuring system includes: a load detecting part for use in a moving part of a wind turbine, the moving part including a ring gear with a plurality of teeth and at least one drive unit with a pinion meshing with the ring gear, the load detecting part being configured to detect an applied load that is exerted on a tooth of the ring gear due to application of an external force or a driving force of the drive unit via the pinion with the ring gear meshing with the pinion; and a position identifying part for identifying, from among the teeth of the ring gear, a target tooth subject to the applied load.
Absstract of: EP4715197A1
A method for damping drivetrain vibrations of a wind turbine. The drivetrain has, at least, a rotor and a generator. The method includes receiving a first rotational speed signal at a first location along the drivetrain, the first rotational speed signal being a proxy for rotor speed of the rotor. The method also includes receiving a second rotational speed signal at a second location along the drivetrain, the second location being downwind from the first location, the second rotational speed signal being a proxy for generator speed of the generator. Further, the method includes determining a speed error based on a comparison of the first and second rotational speed signals. Moreover, the method includes determining a torque deviation signal for the wind turbine configured to dampen the drivetrain vibrations when the speed error exceeds a first speed threshold. In addition, the method includes applying the torque deviation signal to the generator to dampen the drivetrain vibrations.
Absstract of: EP4716048A1
A method for minimizing trips in a power generating asset prior to synchronization includes providing a dynamic trip threshold to a protection scheme of the power generating asset and modifying the dynamic trip threshold prior to and after synchronization of the power generating asset to minimize the trips in the power generating asset caused by the protection scheme of the power generating asset.
Absstract of: EP4715195A1
In a first aspect of the present invention there is provided a wind turbine comprising a hub assembly, a blade part attached to the hub assembly, and a displacement sensor array comprising a plurality of displacement sensors. Each displacement sensor is attached to one of the blade part or the hub assembly. Each displacement sensor comprises a physical contact probe which is slidable along a probe axis in a probe direction. The physical contact probe of each displacement sensor physically contacts the other of the blade part or the hub assembly such that the displacement sensor is arranged to detect relative movement between the blade part and the hub assembly in the probe direction.
Absstract of: US12435757B1
A wind power main-shaft sliding bearing with bidirectional stresses and a wind power generation system are disclosed. The wind power main-shaft sliding bearing includes an outer ring, an inner ring and a tile block. The outer ring has an isosceles trapezoidal cross-section where the inner ring slides. The inner ring has a trapezoidal groove matching the outer ring shape. Symmetrical chutes are in two inner sloping faces of the trapezoidal groove. The tile block is in a cavity between the chute and the outer ring. The face of the tile block near the inner ring is spherical. The tile block separates first and second oil cavities, respectively near the outer and inner rings. Even when the sliding bearing is stressed with a load that deforms the inner ring, the tile block automatically adjusts the tilting angle, thereby avoiding tilting the outer ring due to operating pressure loss.
Absstract of: EP4714818A2
A floating wind power generation device may include a power generation unit configured to perform a wind power generation action, and a floating body provided to support the power generation unit, wherein the floating body includes a main column configured to support the power generation unit, a plurality of auxiliary columns provided around the main column, a plurality of connecting members configured to connect the main column and each of the plurality of auxiliary columns, and a plurality of pontoons provided below the plurality of connecting members with respect to the direction of gravity to support a self-weight of the main column and the plurality of auxiliary columns.
Absstract of: EP4715198A1
The invention relates to a method for assembling an offshore wind turbine that is separated in two parts that are pre-assembled in a port: a jacket-type lattice structure (15) anchored to the seabed with a foundation and a superstructure that includes a transition piece (4), a tower (1), a nacelle (2) and blades (3) transported floating in a vertical position. Tripod supports (5) are anchored on the double-pontoon vessel (8) that is braced (9) at the bow and stern, and a triangle (7) supporting the superstructure is disposed in the tripod supports.During the transport phase, the hydraulics (14) included in the inside the tripod supports (5) are retracted, the movable parts are connected by a bolted joint, and the vessel (8) is ballasted. Once the positioning of the jacked (15) has been carried out, both parts are fastened by moorings (16), movement limiters (18) and impact limiters (18'), the load is transferred with the lowering of the hydraulic cylinders (14), and contact occurs between the upper portion of the jacket (15) and the receiver of the passive coupling system (23). Once the assembly is complete, the passive coupling system (23) arranged on the transition piece is recovered, the triangle (7) is dismantled, and the bracing (9) of the stern is folded down or removed to release the vessel (8).
Absstract of: EP4715143A1
An assembly stand (1) and associated method for assembling a concrete ring (11) from a plurality of concrete segments (10), the assembly stand (1) comprising a plurality of beams (2) configured to support the concrete segments during their assembly into the concrete ring, in particular the beams mounted with a star configuration from the central axis, a movement mechanism (3) mounted on one or of more of the plurality of beams (2), in particular mounted on all beams (2), wherein each movement mechanism (3) is configured to contact or engage with an underside of the concrete segments (10) and to allow a controlled movement of the concrete segments (10) relative to the beam (2) when an assembly force (F) is applied.
Absstract of: EP4715205A1
It is described a method of detecting when a rotor (3) of a wind turbine (40) is in a rotor locking position for locking the rotor, the wind turbine comprising a stator (2) relative to which the rotor (3) is rotatable, the method comprising: rotating the rotor (3); receiving sensor output data (12) from a sensor system (10) sensitive to distance between stator and rotor components; analysing the sensor output data (12); indicating when the rotor locking position is reached based on the analysed sensor output data.
Absstract of: EP4715204A1
It is described a locking system, including an electric motor system and method of locking a rotor and in particular detecting when a rotor (3) of a wind turbine (40) is in a rotor locking position for locking the rotor, the wind turbine comprising a stator (2) relative to which the rotor (3) is rotatable, the method comprising: rotating the rotor (3); receiving sensor output data (12) from a sensor system (10) sensitive to distance between stator and rotor components; analysing the sensor output data (12); indicating when the rotor locking position is reached based on the analysed sensor output data.
Absstract of: EP4715196A1
The present invention relates to a method to control a wind turbine (2) in a wind farm (1) with multiple wind turbines (2), the method including providing detection means (7) adapted to detect objects (6) entering a detection zone (8) associated with at least one of the wind turbines (2), wherein the method further includes,- a step (100) of detection of an object (6) entering the associated detection zone (8) of a wind turbine (2), the wind turbine (2) upon detection of such an object (6) being an affected wind turbine (2'),- a step (110) of operating the affected wind turbine (2') in a safety mode involving at least reducing the spinning speed of the affected wind turbine (2') rotor,The present invention further relates to the wind farm (1) controlled accordingly, and a controller performing the control.
Absstract of: EP4715233A1
Es ist eine Gleitlageranordnung (10) vorgesehene mit einem aus einem schweißbaren Material hergestellten Werkstück, wobei das Werkstück zumindest in einem Teilbereich einen zylindrischen Bolzen (12) und/oder eine hohlzylindrische Nabe aufweist, und einer auf den Bolzen (12) aufgesteckten oder in die Nabe eingesteckten Gleitlagerhülse (20), wobei die Gleitlagerhülse (20) eine von dem Werkstück wegweisende Gleitlagerfläche (24) und einen an dem Werkstück anliegenden schweißbaren Haltekörper (22) aufweist, wobei der Haltekörper (22) mit dem Werkstück verschweißt ist. Durch das Verschweißen der Gleitlagerhülse (20) mit dem Werkstück kann kostengünstig ein mechanisch hochbelastbares Gleitlager bereitgestellt werden, so dass eine kostengünstige und hochbelastbare Gleitlageranordnung (10), insbesondere für den Einsatz in industriellen Windkraftanlagen, ermöglicht ist.
Absstract of: EP4715201A1
The invention describes an azimuth estimator (1) for computing an estimate (αe) of the azimuth angle (20α) of the aerodynamic rotor (20) of a wind turbine (2), which azimuth estimator (1) comprises an input for receiving measurement values (270) of the rotational speed (20ω) of the aerodynamic rotor (20); an azimuth change computation module (10) for computing an azimuth angle change (100) on the basis of the measured rotor speed (270); and a summation unit (11, 13) configured to add at least the azimuth angle change (100) and a previously determined azimuth estimate (αeprev) to obtain an azimuth estimate (αe). The invention further describes a method of computing an estimate (αe) of the azimuth angle (20α) of the aerodynamic rotor (20) of a wind turbine (2).
Absstract of: WO2025021602A1
A wind turbine service system configured to perform at least one service task in a wind turbine (200) is provided. The wind turbine (200) comprises at least two floors (211, 212) at different vertical positions. The wind turbine service system (10) comprises a service robot (100) that is self-propelled and that is controllable to perform the at least one service task and a vertical movement aid (250) extending between at least two of the floors (211, 212). The wind turbine service system (10) is configured to have a first mode of locomotion in which the service robot (100) is moved self-propelled and without mechanical guidance on at least one of the floors (211, 212), and wherein the wind turbine service system (10) is further configured to have a second mode of locomotion in which the service robot (100) interacts with the vertical movement aid (250) to move the service robot between the at least two floors (211, 212).
Absstract of: TW202513282A
The present invention relates to a method for manufacturing a wind turbine blade (1), comprising the steps: (a) Premanufacturing an inboard blade section (15) by lamination of one or multiple layers of fiber material, wherein the premanufactured inboard blade section (15) comprises a main joining region (11) at an outboard end (151), (b) Providing an openable mold (3) having the shape of a negative impression of an outboard blade section (16) of the wind turbine blade (1), (c) Inserting the premanufactured inboard blade section (15) at least with the main joining region (11) into the openable mold (3); (d) Extending the premanufactured inboard blade section (15) with an outboard blade section (16) by lamination of one or multiple layers of fiber material (45,46,85,86) in the openable mold (3), thereby connecting the main joining region (11) of the premanufactured inboard blade section (15) to the outboard blade section (16). The method involves less steps than current manufacturing methods and can, even with further increasing blade lengths, be executed within existing production facilities.
Absstract of: CN223523877U
A support column (1) for a wind power plant. The support column comprises an elongate body (5) configured to hold the wind turbine in a raised position or to transfer rotational energy to a rotor of the wind turbine. The elongated body comprises: a central structure (10) configured to provide structural stability to the support post; and a protective layer (20) on the central structure, the protective layer configured to protect the central structure from interaction with the ambient environment. The central structure mainly comprises a biologically derived fibrous composition and the protective layer comprises at least one rigid plate (22) arranged to be attached in a prestressed manner to at least an outer surface of the central structure.
Absstract of: WO2024235412A1
Wind turbines (10) and methods of controlling wind turbines (10) including cable supported rotors (22). The cable supported rotor (22) includes a plurality of blades (26) and a plurality of cable assemblies (32) that support the blades (26). A plurality of tension mechanisms (44) controls the amount of tension in each of the cable assemblies (32). At start up, the tension is increased until a tension setpoint is reached, and tension levels are balanced across the plurality of cable assemblies (32). Tension may be readjusted periodically, and may be actively controlled during operation of the wind turbine (10) based on functions of tension versus azimuth, wind speed, rotor or generator speed, and blade pitch angle.
Absstract of: WO2024235406A1
A generator rotor for a wind turbine, comprising a cylindrical ring structure defining a radially inner surface and a central hollow portion, and being arranged to rotate around a rotational axis. The cylindrical ring structure comprise a plurality of permanent magnet packages arranged coaxially around the rotational axis, the plurality of permanent magnet packages being adapted to form at least one coolant passage through the cylindrical ring structure. The cylindrical ring structure is adapted to serve as a sump for coolant, such that the sump is defined, at least in part, by the radially inner surface of the cylindrical ring structure, and further comprises at least one coolant passage inlet that extends from the radially inner surface of the cylindrical ring structure to the at least one coolant passage and wherein at least one coolant passage outlet is arranged at one axial end of the cylindrical ring structure.
Absstract of: CN120898070A
In a first aspect, a method for positioning a mounting guide assembly on a blade root portion of a wind turbine blade is provided. The method includes removably joining the first positioning member to the blade root flange, engaging the first guide member and the first positioning member, and joining the first mounting guide member to the blade root portion. The method further includes removably coupling a second positioning member to the blade root flange, engaging a second guide member and the second positioning member, and coupling a second mounting guide member to the blade root portion. In another aspect, a positioning member for positioning a mounting guide member on a blade root portion of a wind turbine blade is provided. In yet another aspect, a positioning assembly is provided for positioning a mounting guide assembly on a blade root portion.
Absstract of: WO2024240545A1
The present application relates to a method for preparing a repair of a damaged area (32) of a load-bearing structure of a rotor blade (2') of a wind turbine (1), wherein the method comprises: Determining a first rotor blade position, which can be a single set position or a set range, in such a way that a first mechanical load of the load-bearing structure in the first rotor blade position is smaller than a second mechanical load of the load-bearing structure in a second rotor blade position and/or that a first mechanical strength of the load-bearing structure and/or the non-load-bearing structure in the first rotor blade position is higher than a second mechanical strength of the load-bearing structure and/or a non-load-bearing structure in the second rotor blade position (S3); determining whether the first mechanical load and/or the first mechanical strength of a first condition is sufficient, such that the rotor blade (2') can remain connected (E1) ready for operation to the wind turbine (1) during the repair. The application further relates to a support structure, a rotor blade system and a repair method.
Absstract of: CN121444310A
A generator rotor for a wind turbine comprises a cylindrical ring structure defining a radially inner surface and a central hollow portion and arranged to rotate about an axis of rotation. The cylindrical ring structure includes a plurality of annular permanent magnet enclosures coaxially arranged about the axis of rotation, the plurality of permanent magnet enclosures being adapted to form at least one coolant passage through the cylindrical ring structure. The cylindrical ring structure is adapted to act as a reservoir for coolant such that the reservoir is at least partially defined by a radially inner surface of the cylindrical ring structure, and further comprises at least one coolant channel inlet extending from the radially inner surface of the cylindrical ring structure to the at least one coolant channel, and wherein the coolant channel inlet is at least partially defined by the radially inner surface of the cylindrical ring structure. At least one coolant passage outlet is disposed at one axial end of the cylindrical ring structure.
Absstract of: WO2024235404A1
An electric machine comprising a rotor including a plurality of hollow conductor bars adapted for carrying cooling fluid therein, the conductor bars extending between first and second short circuit rings. At least one of the short circuit rings is adapted to provide an annular sump volume that feeds cooling fluid to at least some of the hollow conductor bars. Restricted spray orifices are provided in communication with the hollow conductor bars to provide a spray of cooling fluid towards other generator components. The restricted orifices are configured to have a flow area (A') that is less than the average flow area (B') of the respective first hollow conductor bar such that, in use, the flow of cooling fluid through the outlet end of the plurality of first hollow conductor bars is balanced with cooling fluid delivered to the annular sump volume to maintain a flow of fluid through the respective fluid conduits.
Nº publicación: EP4713250A1 25/03/2026
Applicant:
TOTALENERGIES ONETECH [FR]
TotalEnergies OneTech
Absstract of: WO2024236128A1
The floating offshore platform (2) comprises a support structure (4) having a beam (8) configured for extending between first and second structural elements (6, 7), the beam (8) being formed of several tubes (10) connected together and comprising a tank (12) delimited within at least two tubes (10) connected such that the individual internal volumes of said at least two tubes (10) are in fluid communication, and at least three connections (16) each configured for mechanically connecting an end of one tube (10) of the beam (8) to one of the first and second structural elements (7), wherein each connection (16) with the first structural element (6) is a bolted flange connection (16) and/or each connection (16) with the second structural element (7) is a bolted flange connection (16).
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