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394
resultados
Última actualización
12/03/2026 [07:25:00]
Resumen de: DE102024136925A1
Schwimmende Windenergieanlage (10) mit einem schwimmenden Fundament, das eine Mehrzahl von sich von einem Zentralelement (20) erstreckenden Armen (30) aufweist, einem auf dem Zentralelement (20) des schwimmenden Fundaments angeordneten Turm (40) mit wenigstens einer auf dem Turm (40) angeordneten mit diesem drehfest verbundenen, einen Rotor aufweisenden Energiewandlungseinheit, und einem das Fundament mit der wenigstens einen Energiewandlungseinheit verbindendem Seilsystem (50) zur Einleitung der auf den Turm (40) und die wenigstens eine Energiewandlungseinheit wirkenden Schubkräfte in das Fundament, wobei das Seilsystem (50) Vorspannungen aufweist, deren Beträge jeweils größer als im Betrieb der Windenergieanlage zu erwartende, der jeweiligen Vorspannung entgegenwirkende Lasten sind, dadurch gekennzeichnet, dass der Turm (40) in einem am Zentralelement (20) angeordneten axialen Pendelgleitlager (60) gelagert ist.
Resumen de: DE102024125922A1
Die vorliegende Erfindung betrifft ein Wälzlager (1) für eine Windkraftanlage, mit einem Innenring (2), einem Außenring (3), einer Vielzahl von zwischen dem Innenring (2) und dem Außenring (3) angeordneten Wälzkörpern (4), einem Käfig (5) zum umfangsbeabstandeten Positionieren der Vielzahl von Wälzkörpern (4) und einer Ultraschallsensoranordnung (6) zur Prüfung des Innenrings (2) oder des Außenrings (3) oder eines Wälzkörpers (4) der Vielzahl von Wälzkörpern (4), die an dem Käfig (5) befestigt ist. Zudem betrifft die Erfindung ein Prüfverfahren zum Prüfen eines solchen Wälzlager (1), wobei eine Prüfung mittels der Ultraschallanordnung (6) während des Betriebs des Wälzlagers (1) erfolgt.
Resumen de: EP4706946A1
The invention concerns a method of manufacturing a half shell (134) of a wind turbine rotor blade (110), the method comprising the steps:- providing a mould (148),- arranging an outer shell laminate (150) into the mould (148),- arranging a three spar caps (138, 140, 142) onto the outer shell laminate (150), wherein-- the second spar cap (140) is arranged between the first spar cap (138) and the third spar cap (142),-- the third spar cap (142) is positioned at an outermost trailing edge (144), andcore elements (154) are arranged between the first spar cap (138) and the second spar cap (140) and/or between the second spar cap (140) and the third spar cap (142) and/or between the first spar cap (138) and the third spar cap (142), wherein at least one of the core elements (154) is a tolerance compensation element (156) that comprises a wedge-formed portion (158) and interacts in a form-fit manner with a corresponding counter wedge-formed portion (160).The invention also refers to a wind turbine rotor blade (110) .
Resumen de: EP4707584A1
The invention relates to a wind turbine rotor blade (110) comprising a suction side half shell (132) and a pressure side half shell (133), wherein the suction side half shell (132) comprises a first spar cap (141), wherein the pressure side half shell (133) comprises a second spar cap (142), wherein the first spar cap (141) and the second spar cap (142) are connected to each other by an adhesive joint (146), wherein, at least in a section between a root end (126) of the wind turbine rotor blade (110) and a tip end (127) of the wind turbine rotor blade (110), a trailing edge (135) of the wind turbine rotor blade (110) is formed by the first spar cap (141), the second spar cap (142) and the adhesive joint (146). The invention also concerns a method of manufacturing a wind turbine rotor blade.
Resumen de: EP4707583A1
The invention relates to a wind turbine rotor blade (100) with a half shell (132, 133) and a first bearing structure, the half shell (132, 133) comprising a core material (140) sandwiched between an inner shell laminate (141) and an outer shell laminate (142), the first bearing structure comprising a spar cap (144) and a shear web (146), wherein a flange portion (147, 148) of the shear web is attached to the half shell (132, 133) in an attachment area (150), and the spar cap (144) is arranged in the half shell (132, 133) outside the attachment area (150). The invention also concerns a method for manufacturing a wind turbine rotor blade and a method for repairing an adhesive joint in a wind turbine rotor blade.
Resumen de: EP4707582A1
The invention relates to a spar cap (136) for a wind turbine rotor blade (110), the spar cap (136) being configured to extend close to a trailing edge (135) and to form, at least in a section between a root end (126) and a tip end (144), a part of the trailing edge (135) of the wind turbine rotor blade (110), the spar cap (136) comprising a stack (146) of fiber layers including first-type fiber layers (148) and second-type fiber layers (150), wherein- a layer width (154) of the first-type fiber layers (148) is smaller than a layer width (156) of the second-type fiber layers (150),- in the stack (146), the first-type fiber layers (148) are arranged offset to each other with respect to a width (W) of the stack (146), and- in the stack (146), the second-type fiber layers (150) are aligned flush with one another with respect to the width (W) of the stack (146),- the stack (146) is resin-infused and cured.The invention also concerns a wind turbine rotor blade (110) and a method of manufacturing a spar cap.
Resumen de: WO2025016688A1
Method for replacing an installed yaw ring (1) of a wind turbine (2) with a replacement yaw ring (3), wherein in an initial state of the wind turbine (2) a bedframe (4) of the wind turbine (2) is pivot-mounted to a topmost segment (5) of a tower (6) of the wind turbine (2), the installed yaw ring (1) is mounted to the topmost segment (5), and at least one yaw drive (7) of the wind turbine engages (2) the installed yaw ring (1) to rotate the bedframe (4) with respect to the topmost segment (5) when the yaw drive (7) is operated, the method comprising the steps of: lifting a module (8) of the wind turbine (2), which comprises the bedframe (4), the topmost segment (5), and the installed yaw ring (1), off a tower stump (9) of the tower (6) formed by at least one further segment (10-12) of the tower (6) and placing the module (8) in a servicing position (13), detaching a submodule (17) of the module (8) comprising the bedframe (4) from the topmost segment (5) and moving the submodule (17) to a holding position (18), unmounting the installed yaw ring (1) form the topmost segment (5), mounting the replacement yaw ring (3) to the topmost segment (5), reattaching the submodule (17) to the topmost segment (5), to form a refurbished module (19) comprising the bedframe (4), the topmost segment (5), and the replacement yaw ring (3), and lifting the refurbished module (19) onto the tower stump (9).
Resumen de: WO2024256724A1
A method of operating a wind turbine is provided. The wind turbine (100) comprises a power generation system (120) configured to generate electrical power from rotational mechanical energy and one or more electrical cables (20) configured to transport the electrical power generated by the power generation system (120). The one or more electrical cables (20) are associated with a cable temperature threshold for a cable temperature of the one or more electrical cables (20). A measured component operating parameter of a component (122) of the power generation system (120) is obtained. The measured component operating parameter is compared to a component operating parameter threshold and/or an estimated cable temperature that is estimated from the measured component operating parameter is compared to the cable temperature threshold. A mitigation action is taken to keep stable or reduce the cable temperature if the comparison indicates that the respective threshold is met or exceeded.
Resumen de: WO2024256159A1
The invention describes a connector assembly (1) for connecting two parts (2A, 2B), comprising a stud bolt (10) comprising a shank (10S) and a threaded portion (10T) at each end of the shank (10S); a first threaded insert (14A, 14B) for embedding in a part (2A), adapted to engage with a first threaded portion (10T) of the stud bolt (10); a second threaded insert (14A, 14B) for embedding in the other part (2B), adapted to engage with the second threaded portion (10T) of the stud bolt (10); and a spacer (16) dimensioned to enclose the shank (10S) of the stud bolt (10), and comprising a length adjustment means (16T) for adjusting the length of the spacer (16) between an initial length (L0) and a maximum extended length (L1). The invention further describes a wind turbine rotor blade comprising a first rotor blade segment (2A) and a second rotor blade segment (2B), and a plurality of such connector assemblies (1) arranged to connect the first rotor blade segment (2A) to the second rotor blade segment (2B); and a method of connecting a first wind turbine rotor blade segment (2A) to a second wind turbine rotor blade segment (2B) with a plurality of such connector assemblies (1).
Resumen de: CN121039387A
A method of replacing a tension adjusting member (44) included in a cable support assembly (30) connected with a plurality of wind turbine blades (26) on a wind turbine (10) is provided. The method comprises: releasing tension in the cable support assembly (30); disconnecting the tension cable (36) from a free end (46) of the tension adjusting member (44) remote from the hub (24); and securing the tension cable (36) to the wind turbine (10). A second end (48) of the tension adjusting member (44) located within the hub (24) is connected to the lifting device (72) and is also disconnected from the hub (24). A lifting device (72), which may include a winch (73) or cantilever crane (82) and a lifting cable (74), may then be used to lower the tension adjusting member (44) down to the ground where the replacement tension adjusting member (44a) is connected to the lifting device (72). The method further includes lifting the replacement tension adjusting member (44a) back to the hub (24) using a lifting device (72); and reconnecting it to the cable support assembly (30) and the hub (24). This method avoids the need to repair the tension adjusting component (44) while the component (44) is on top of the tower (12) of the wind turbine (10), and at the same time also avoids the need for a large off-site crane for performing any of these movements.
Resumen de: CN121058144A
A method for managing the transmission of instructions to a plurality of controlled assets (4) (e.g., wind turbines) arranged within a private communication network of a renewable power plant (3) is disclosed. One or more requesting assets (5) arranged within the private communication network contact (6) a secure data center (1) arranged externally with respect to the private communication network on behalf of one or more controlled assets (4) associated with the particular requesting asset (5). The secure data center (1) generates a database (8) comprising a registry of controlled assets (4) for which instructions have been requested and representing a combination of controlled assets (4) managed by the secure data center (1). Upon a request from the requesting asset (5), the secure data center (1) then manages the transmission of instructions originating from the external control center (2) to each of the combined registered controlled assets (4) of the secure data center (1).
Resumen de: EP4708643A2
A flexible coupling for use in a wind turbine power transmission system to flexibly couple terminal portions of the wind turbine power transmission system to thereby accommodate misalignments in a radial and axial direction between the terminal portions. A coupling element of the flexible coupling interfaces with the terminal portions associated with a main shaft and a gearbox input member of the wind turbine power transmission system. Thereby a double-joint, namely two joints between the coupling element and the respective terminal portions, is defined. The joints permit relative rotation between the coupling element and the respective terminal portion around axes perpendicular to and relative translation along a main axis of the main shaft. Thereby the two joints can provide translational degrees of freedom in all directions and rotational degrees of freedom only about axes perpendicular to the main axis to accommodate radial, axial, and angular misalignments. A torsionally stiff coupling element may constrain relative rotation about the main axis.
Resumen de: EP4707587A2
Vorgestellt wird ein Verfahren zur Errichtung eines Turmbauwerks, wobei das Turmbauwerk aus mehreren übereinander gesetzten Ringsegmenten (5) aufgebaut ist und jeweils mehrere, gekrümmte Teilstücke (50) umfangmäßig ein Ringsegment (5) bilden, wobei ein Teilstück (50) umlaufende Kanten in Form jeweils einer Ober- und Unterkante (501a, 501b) und zweier Radialflächen (502) aufweist sowie eine innere und eine äußere Tangentialfläche (500a, 500b), wobei eine Tangentialfläche wenigstens zwei Aussparungen (51) aufweist, die dazu bestimmt sind, Lastaufnahmemittel einer Hebevorrichtung aufzunehmen, mit den folgenden Verfahrensschritten: a) Positionieren von mehreren Teilstücken (50) auf einem Untergrund mittels einer als Haltevorrichtung (2) bezeichneten Hebevorrichtung, in der Art, dass Radialflächen (502) der Teilstücke (50) einander anliegen, wobei die Lastaufnahmemittel der Haltevorrichtung (2) in Eingriff gebracht werden mit den Aussparungen (51) des Teilstücks (50), und verbinden der Teilstücke (50) miteinander ausbildend ein Ringsegment (5), b) Heben eines Ringsegments (5) mittels einer als Hubvorrichtung (3) bezeichneten Hebevorrichtung auf die erforderliche Höhe zur Errichtung des Turmbauwerks, wobei die Lastaufnahmemittel der Hubvorrichtung (3) in Eingriff gebracht werden mit den Aussparungen (51) des Ringsegments (5). Weiterhin wird ein System (1) zur Handhabung von Bauteilen vorgeschlagen.
Resumen de: EP4707612A1
A portable fan includes: a housing; a mixed-flow fan; and a pressurizing member. The housing is arranged with an air inlet portion and an air outlet portion. The mixed-flow fan is arranged inside the housing; the mixed-flow fan is configured to rotate around a rotation shaft to generate an airflow. The pressurizing member is disposed at a front of the mixed-flow fan and includes a pressurizing seat. The pressurizing seat comprises a pressurizing surface, and a radial size of at least part of the pressurizing surface gradually increases from the rear side to the front side. A cross-sectional area, in a radial direction of the housing, of a front end of the pressurizing seat is defined to enable the air inlet portion to be invisible by being shielded by the pressurizing seat, when viewing from the front side to the rear side.
Resumen de: EP4707613A1
A portable fan includes: a housing; a mixed-flow fan; and a booster. An air inlet portion is arranged at a rear side of the housing, an air outlet portion is arranged at a front side of the housing, the air inlet portion and the air outlet portion are fluidly communicated to each other through an interior of the housing. The mixed-flow fan is arranged inside the housing; wherein the mixed-flow fan is configured to rotate around a rotation shaft to generate an airflow. The booster is disposed inside the housing and surrounds an outer periphery of the mixed-flow fan, wherein, the booster comprises a booster surface facing the mixed-flow fan; a radial size of at least part of the booster surface gradually increases in a direction from the rear side to the front side; a gap is formed between the booster and the housing.
Resumen de: EP4707611A1
A portable fan includes: a housing; a mixed-flow fan; a pressurizing member. The housing is arranged with an air inlet portion and an air outlet portion. The pressurizing member is disposed at a front of the mixed-flow fan and includes a pressurizing seat. The pressurizing seat includes a pressurizing surface, and a radial size of at least part of the pressurizing surface gradually increases from a rear side to a front side. The mixed-flow fan includes a rotation seat, an extension wall, a motor, and first blades that are mounted on the rotation seat; the extension wall and the rotation seat cooperatively define a first cavity; the pressurizing seat has a second cavity; the extension wall is inserted into the second cavity; a projection of the first cavity is at least partially overlapped with a projection of the second cavity in the radial direction.
Resumen de: EP4707586A1
A method for providing gearbox lubrication of a wind turbine during an off-grid state includes fluidly coupling an auxiliary lubrication system with a gearbox of the wind turbine. The off-grid state is characterized in that the wind turbine is mechanically and electrically installed at a wind farm but not yet connected to a grid. The method also includes determining a time-based control scheme for the auxiliary lubrication system to provide lubrication to the auxiliary lubrication system during the off-grid state. The time-based control scheme is defined a first time period in which the lubrication is provided to the gearbox via the auxiliary lubrication system during the off-grid state and a second time period in which the lubrication is not provided to the gearbox via the auxiliary lubrication system during the off-grid state. The first time period is less than the second time period. Further, the method includes implementing, via a controller, the control scheme for the auxiliary lubrication system to provide the lubrication to the gearbox of the wind turbine during the off-grid state.
Resumen de: EP4707152A1
Proposed is a mooring system, including a floating unit for floating on the sea surface, a mooring anchor installed on the seabed, a weight unit positioned underwater between the floating unit and the mooring anchor, a plurality of mooring cables each having a closed curve shape for mooring the floating unit, wherein each mooring cable includes a first portion whose middle lower part is caught in a mooring-cable catching part of the weight unit, a second portion which passes through a vertical penetration passage of the weight unit and whose middle lower part is caught in a mooring-cable catching part of the mooring anchor, and a third portion which passes through a vertical penetration passage of the floating unit and is connected to the first portion and the second portion and whose middle upper part is caught in a mooring-cable catching part of the floating unit provided in the floating unit.
Resumen de: EP4707552A1
2. System zur Fluidversorgung mindestens eines Verbrauchers (V), insbesondere zur Schmiermittelversorgung von Verbrauchern (V), wie Lagerstellen in Getrieben von Windkraftanlagen einschließlich Gleitlagern, zumindest bestehend aus einer- Fördereinrichtung (14),- Filtereinrichtung (16), und- Wärmetauscheinrichtung (18),die über fluidführende Leitungen (20, 22) miteinander verbunden und im Rahmen einer Fluidführung (24) entlang einer Strömungsrichtung mit Fluid durchströmbar sind, dadurch gekennzeichnet, dass zwischen der Fördereinrichtung (14) und dem jeweiligen Verbraucher (V) im Hauptstrom (40) einer Fluidführung (24) eine Hauptfilterstufe (42) der Filtereinrichtung (16) geschaltet ist, dass zur Steuerung eines Nebenstroms (44) der Fluidführung (24) mindestens eine Ventileinrichtung (46) vorgesehen ist, und dass mit ansteigendem Differenzdruck betreffend die Hauptfilterstufe (42) die jeweilige Ventileinrichtung (46) betätigt, eine vorgebbare Teilmenge des Fluids aus der Fluidführung (24) zum Verbraucher (V) entfernt.
Resumen de: WO2024254034A1
Disclosed are foam articles comprising a thermoplastic, closed-cell foam having at least a first surface and comprising: (i) thermoplastic polymer cell walls comprising at least about 0.5% by weight of ethylene furanoate moi eties and optionally one or more co-monomer moieties; and (ii) blowing agent comprising HFC-152a contained in at least a portion of said closed cells.
Resumen de: AU2024263697A1
The invention relates to a mooring arrangement for mooring a floating unit to the seabed, the mooring arrangement comprises multiple mooring clusters each connectable to a floating unit and an anchor adapted for the seabed, wherein at least one mooring cluster comprises at least two mooring lines.
Resumen de: GB2643961A
A gas flow pressure driven electrical turbine generator 30 for connection to a dust or fume extraction system has a chamber 31 with an inlet 32 connectable to ambient air in a location. The chamber outlet 33 may be connected 35 to a dust or fume extraction pipe 20, via a shut-off valve 34. An airflow turbine 36 in the chamber 32 generates electricity when gas flows from the chamber inlet 32 to the chamber outlet 33. The turbine generator can be connected to the pipe 20 at 90 degrees, and may be connected immediately downstream of a flow control valve 22 so that it exhausts into an area of increased turbulence to improve performance. The energy generated may be used to power components such as control valves and flow rate measurers and avoids the need hard-wire an electrical supply to such components.
Resumen de: EP4707585A1
The individual pitch control method (100) comprises an online phase and an offline phase. The online phase comprises acquiring (130) a current value of a parameter corresponding to the wind speed, selecting (140) a current control law and generating (150) a control signal based on the current control law and a current azimuth angle of the blade. The offline phase (110) comprises obtaining a trained reinforcement learning model. Selecting a control law in the online phase consisting in running in inference the trained reinforcement learning model to estimate the current control law from the current value of at least one parameter corresponding to the wind speed.
Resumen de: EP4707588A1
Method for repairing a root of a blade having the following sequence: loosening the bolts (6) of the root of the blade (5) by removing the nuts (20) in the bearing (7) of the bushing (3). Lowering the blade to the ground using the Bladerunner<sup>®</sup>. Cutting a diametral ring of the blade that includes the surface (10) where the threaded cup (9) housing the nut (6) is included. Cleaning up and laminating the bevelled area (11). Machining a long bore passing through the bevelled area (13) and a short and through bore (14) in the thickness direction. Adding and adapter (15) that combines both technologies (one per each end) and allows the length of the blade (4) to be increased and consequently its AEP (Annual Energy Production) is increased. Said adapter (15) is a ring with through holes (17 and 22) over its entire surface, which is attached on the portion of the root of the blade (5) with T-bols and on the portion of the bushing (3) with the bolts (6) that have been previously removed, housed in the inserts (9).
Nº publicación: EP4707641A1 11/03/2026
Solicitante:
FLENDER GMBH [DE]
Flender GmbH
Resumen de: EP4707641A1
Planetengetriebe 10 für eine über einen Rotor 72 angetriebene Windkraftanlage 70, mit zumindest einer um eine Drehachse A<sub>D</sub> umlaufenden Planetenstufe 14, wobei die Planetenstufe 14 ein Sonnenrad 22, einen Planetenträger 16 und ein Hohlrad 20 aufweist und der Planetenträger 16 mehrere zwischen Seitenwangen 24, 26 des Planetenträgers 16 umlaufende und radial gleitgelagerte und wechselseitig mit dem Hohlrad 20 und dem Sonnenrad 22 in einem Verzahnungseingriff stehende Planetenrädern 18 aufnimmt und wobei in jede Seitenwange 24, 26 zumindest ein Axialgleitelement 30 eingesetzt ist und ein Kragenabschnitt 32 eines jeden Axialgleitelements 30 in axialer Richtung über die Seitenwange 24, 26 hervorsteht und stirnseitig eine Gleitfläche 34 zur axialen Lagerung des Planetenrades 18 trägt. Der Kragenabschnitt 32 liegt rückseitig an der jeweiligen Seitenwange 24, 26 unmittelbar an.
BOPI
Sede Electrónica
