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DAMPING DEVICE FOR DAMPING ROTOR BLADE VIBRATIONS

Absstract of: EP4793493A1

0001 A damping device for a rotor blade of a wind turbine is provided. The damping device (10) is configured to damp vibrations of the rotor blade (100) in a non-operating condition of the rotor blade when mounted to the rotor blade (100). The damping device (10) comprises a body (15) configured to be mounted to the rotor blade (100). The body (15) has a first protruding section (41) configured to protrude from a pressure side (104) of the rotor blade and/or has a second protruding section (42) that is configured to protrude from a suction side (103) of the rotor blade. The body (15) is made of a plastic material and is at least partially enclosed in a shell (16). A rigidity, hardness, and/or a density of a material of the shell (16) is higher than a rigidity, hardness, and/or a density, respectively, of the material of the body (15).

WIND TURBINE WITH OPERATION MODE CHANGE TO PREVENT BIRD COLLISION

Absstract of: WO2025077982A1

A method for deterring airborne animals to prevent collision between the airborne animal and a wind turbine. The method comprises providing data (PD) from at least one data source regarding at least one parameter relevant for an airspace of 5 the wind turbine. Next, analyzing said data (AD) according to an algorithm to determine presence of any one or more airborne animals in the airspace. In case it is determined that airborne animals are present, then changing (C_O) one or more parameters of operation of a rotor of the wind turbine, so as to cause the wind turbine to invoke an air pressure and/or wind velocity variation at a distance 10 of the wind turbine, e.g. upstream of downstream of the wind turbine, to deter the airborne animal from approaching the wind turbine. This may be a static increase or decrease in air pressure and/or wind velocity, or an increase in audible noise generated by the wind turbine, e.g. caused by pitching rotor blade(s) to generate more aerodynamic noise. Finally, returning (RNO) to a normal mode of 15 operation of the wind turbine after having caused the wind turbine to invoke the air pressure and/or wind velocity variation.

METHOD FOR CONTROLLING A WIND TURBINE

Absstract of: EP4793491A1

Es wird ein Verfahren zum Steuern einer Windenergieanlage (100) vorgesehen, welche einen Turm (102) und eine Gondel (104) mit einem aerodynamischen Rotor (106) mit mehreren Rotorblättern (108) aufweist, wobei die Rotorblätter (108) eine Rotorblattebene (108a) aufspannen, wobei ein Azimutwinkel der Gondel (104) und damit der Winkel der Rotorblattebene (108a) bezogen auf die vorherrschende Windrichtung (10) mittels eines Azimutantriebs (410) variierbar ist. In einer ersten Betriebsart wird eine Windrichtung (10) erfasst und mindestens ein Azimutantrieb (410), um den aerodynamischen Rotor (106) in einen Azimutwinkel zu fahren, bei welchem die Rotorblattebene (108a) in einem ersten Winkel, nämlich im Wesentlichen senkrecht oder rechtwinklig zur vorherrschenden Windrichtung (10), steht. In einer zweiten Betriebsart, wenn ein Sturm mit einer Windgeschwindigkeit oberhalb eines Schwellwertes erfasst oder vorhergesagt ist, wird ein Azimutwinkel geändert, so dass die Rotorblattebene (108a) sich in einem zweiten Winkel befindet, welcher im Wesentlichen parallel zur vorherrschenden Windrichtung (10) ist.

FAN MOUNTING ASSEMBLY AND POWER DEVICE

Absstract of: EP4793508A1

The present application provides a fan mounting assembly and a power device, and the fan mounting assembly includes a mounting bracket and a fan support. The mounting bracket is arranged on a side of the power device; and the fan support is connected to the fan and secured to the mounting bracket by means of a detachable connection structure. The detachable connection structure includes a limiting structure and a locking structure, and the limiting structure is configured to restrict the fan support from moving relative to the mounting bracket in a first direction. The mounting bracket has a supporting surface for supporting the fan support, and the first direction is perpendicular to the supporting surface. The locking structure is configured to lock the fan support to the mounting bracket on a side of the mounting bracket away from the power device. Since the locking structure is located on the side of the mounting bracket away from the power device, the operation space is more sufficient and it is more convenient to operate the locking structure, and the detached fan support is located in a relatively spacious place, so it may be more convenient for the disassembly and assembly as well as maintenance of the fan.

METHOD FOR EXPANDING AN EXISTING WIND TURBINE, AND WIND TURBINE MODULE

Absstract of: WO2025078677A1

The invention relates to a method for expanding an existing wind turbine, having the steps of providing a first wind turbine module, installing the wind turbine module at its intended location, electrically connecting the first wind turbine module and/or the first generator to the existing wind turbine, connecting the first turbine controller to the first wind turbine module and/or the first generator, and connecting the first turbine controller to a central controller. The invention also relates to a wind turbine module.

WINDFARM WITH BIRD COLLISION PREVENTING MEASURES

Absstract of: WO2025077983A1

A method for preventing collision between airborne animals, e.g. birds or bats, and a windfarm with a plurality of wind turbines. The method comprises receiving data (RD) regarding an airspace of the windfarm, determining (D_B) if one or 5 more airborne animals are approaching the windfarm in response to said data, estimating (EFP) a flight path of the approaching airborne animals, such as flight height and/or horizontal flight path in relation to the windfarm, in case it is determined that airborne animals are approaching the windfarm. Further, determining (CPS) a collision preventing strategy in response to said estimated 10 flight path, and controlling operation (C_O) of one or more of the plurality of wind turbines of the windfarm according to the determined collision preventing strategy as a measure of preventing collision between the airborne animals and the wind turbines. Finally, returning (RNO) to a normal operation of the one or more wind turbines. The wind turbines can e.g. be controlled to generate extra noise, e.g. by 15 blade pitching, yawing, increasing rotor speed, or a combination of these. Curtailment or a complete stop may be used for some wind turbines to generate a safe flight path for the animal(s).

A BOLT AND SPACER ASSEMBLY

Absstract of: WO2025077981A1

The invention provides a bolt and spacer assembly - comprising a bolt (2) comprising a head (201) and an elongated bolt body (202), the bolt body being terminated at a penetration end (203) located at a distance from the head, - which bolt body (202) is adapted to penetrate a first hole (1411) in a first wind turbine tower section (141), and to penetrate a second hole in a second wind turbine tower section (142) for a bolted connection of the wind turbine tower sections, - wherein the bolt and spacer assembly further comprises a spacer (3) adapted to assume, when the penetration end is inserted into the first hole and the head is above the penetration end, a spacing position in which the spacer by contact with the head and the first wind turbine tower section keeps the head and the first wind turbine tower section apart, - wherein the spacer presents, in the spacing position and as seen along a longitudinal direction of the bolt body, an open profile such that an opening is formed between ends (301E, 302E) of the profile so that the spacer (3) partly surrounds the bolt body (202). - The spacer is adapted to be turned from the spacing position around a turning axis (TA) which is transverse to the longitudinal direction of the bolt body so that at least a part of the bolt body is moved out through the opening formed between the ends (301E, 302E) of the spacer profile, so as to allow the bolt body to further enter the first hole as the bolt moves under the influence of gravity a

WIND TURBINE BLADE, AND MANUFACTURING APPARATUS AND FORMING METHOD THEREFOR

Absstract of: EP4793026A1

Disclosed in the present application are a wind turbine blade, and a manufacturing apparatus and forming method therefor. The manufacturing apparatus comprises a blade resin injection assembly, the blade resin injection assembly comprising a resin injection connector group and a flow guide layer group. The resin injection connector group comprises at least one resin injection connector, and each resin injection connector comprises an accommodating portion and a discharge pipe that are connected to each other, the accommodating portion being connected to a resin injection device. The flow guide layer group comprises at least one flow guide layer, the flow guide layer being laid on the surface of a structural cloth layer component, and edges of each flow guide layer being arranged corresponding to the resin injection connectors and being directly connected to the resin injection connectors. The embodiments of the present application directly connect the resin injection connectors having a certain volume to a flow guide mesh, so that the number of resin injection openings can be effectively reduced and the arrangement of the resin injection openings can be more concentrated, which facilitates supervision. Avoiding infusion channels reduce the waste of a filling agent; in addition, after the flow guide mesh receives the filling agent delivered by the resin injection connectors, the filling agent can be uniformly distributed on the whole flow guide mesh without the need of special

CONICAL CONNECTION OF SUN SHAFT AND PLANET CARRIER

Absstract of: WO2025078091A1

The invention relates to a gearing arrangement having a first planetary stage (101) and a second planetary stage (103). A sun shaft (107) of the first planetary stage (101) has an outer cone (115) and a planet carrier (109) of the second planetary stage (103) has an inner cone (119); wherein the outer cone (115) and the inner cone (119) engage in one another; and wherein there is a force- and/or form-fitting rotationally fixed connection between the outer cone (115) and the inner cone (119).

METHOD FOR JOINING TWO ROTOR BLADE SEGMENTS OF A WIND TURBINE ROTOR BLADE, SIGNAL TRANSMITTING DEVICE, SIGNAL RECEIVING DEVICE

Absstract of: WO2025078119A1

The invention concerns a method of connecting two rotor blade segments (132, 134) of a wind turbine rotor blade (110), comprising the steps of: - providing a first rotor blade segment (132) with a first bushing (140) and a second rotor blade segment (134) with a second bushing (142), - inserting a signal transmitting device (156) into the first bushing (140) and inserting a signal receiving device (174) into the second bushing (142), - emitting an electromagnetic signal by the signal transmitting device (156), and - aligning the first rotor blade segment (132) and the second rotor blade segment (134) relative to each other, - removing both the signal transmitting device (156) from the first rotor blade segment (132) and the signal receiving device (174) from the second rotor blade segment (134), and - tightly interconnecting the first bushing (140) and second bushing (142). The invention also refers to a signal transmitting device (156) and a signal receiving device (174).

ANTI-VORTEX-INDUCED-VIBRATION DEVICE FOR WIND TURBINE BLADE, AND MOUNTING METHOD THEREFOR

Absstract of: EP4793487A1

0001 Provided are an anti-vortex device for a wind turbine blade and an installation method thereof, relating to the technical field of wind power equipment. In the present disclosure, a plurality of second binding strap assemblies are arranged with intervals sequentially along the extension direction of the wind turbine blade within a target region of the wind turbine blade, where the target region is between the blade tip region and a blade root of the wind turbine blade, and then the plurality of first binding strap assemblies are connected to the plurality of second binding strap assemblies by at least one first connecting member, with one end of each of the at least one first connecting member connected to the blade root of the wind turbine blade. In the above technical scheme, by adding multiple second binding strap assemblies and using the first connecting member to connect the multiple second binding strap assemblies (being equivalent to securing the first connecting member located in the target region to the wind turbine blade via the second binding strap assemblies), the first connecting member is prevented from colliding with the wind turbine blade during operation and producing abnormal noise.

A WIND TURBINE ROTOR BLADE ELEMENT WITH CONNECTION ASSEMBLIES

Absstract of: EP4793490A2

0001 A wind turbine rotor blade element comprising • a connection section with a front face, an inner surface and an outer surface, wherein a distance between the inner surface and the outer surface forms a wall thickness, • a plurality of connection assemblies, each connection assembly having (i) a metal insert with a longitudinal axis, a circumferential outer surface and a joining portion for connecting the wind turbine rotor blade element to a wind turbine rotor hub or to another wind turbine rotor blade element, and (ii) a transition material generally aligned with the metal insert and having a tapering longitudinal section, the tapering longitudinal section having an axial outer surface positioned parallel to the longitudinal axis of the metal insert and an inclined outer surface positioned at an angle with reference to the longitudinal axis, • wherein the connection assemblies are embedded in the connection section such that the joining portions of the metal inserts are accessible from the front face of the connection section, wherein • the connection assemblies are arranged in an inner row closer to the inner surface of the connection section and an outer row closer to the outer surface of the connection section.

METHOD FOR REMOVING A METAL INSERT

Absstract of: EP4793032A2

A method for removing a metal insert from a wind turbine rotor blade part, the method comprising the following steps:• providing a wind turbine rotor blade part, the wind turbine rotor blade part comprising- a fibrous composite material and a metal insert held in the fibrous composite material, wherein the metal insert is designed to fasten the wind turbine rotor blade part to a wind turbine rotor hub or to another wind turbine rotor blade part, and- a connecting layer which is disposed between the metal insert and the fibrous composite material and which is connecting the metal insert to the fibrous composite material in a stable manner,• weakening the connecting layer such that the connecting layer is connecting the metal insert to the fibrous composite material in a less stable manner, and• removing the metal insert from the fibrous composite material.

LIFTING SYSTEM FOR A WIND TURBINE

Absstract of: WO2025078448A1

Lifting system for a wind turbine, said lifting system comprising a tower mounted crane being arranged for moving components/tools between the top of a wind turbine and the base of the wind turbine. The lifting system further comprises a support structure which is detachably attachable to a wind turbine or the tower mounted crane near the top of the wind turbine, the support structure being arranged to be able to temporarily support a wind turbine component or tool during a maintenance and/or an assembly operation. By providing one or more support structures which function as temporary storage area(s) near the top of the wind turbine, components and/or tools can be stored temporarily near the top of the wind turbine, instead of lowering them to the ground between lifting operations. This provides for additional flexibility for the tower mounted crane operations and can reduce the number and complexity of the required lifting operations.

SYSTEM AND METHOD FOR PREDICTING A PITCH FAULT IN A WIND TURBINE

Absstract of: WO2025077991A1

The present disclosure relates to methods (100, 200) for predicting an event of a blade stuck during power production in a wind turbine (10), the wind turbine (10) comprising a rotor (18) with a plurality of blades (22) and a pitch system (32) for each of the blades (22), the pitch sytem (32) being configured to rotate the corresponding blade (22) along its longitudinal axis. The method comprises monitoring one or more operational parameters of a first pitch system (32) and a second pitch system (32) and predicting an event of a blade stuck during power production for one of the blades (22) connected to either the first pitch system (32) or the second pitch system (32) based, at least in part, on the monitored operational parameters of the first pitch system (32) and the monitored operational parameters of the second pitch system (32). The method further comprises that the operational parameters of the first and second pitch systems to be monitored have been previously determined in an analysis for the event. In a further aspect, the present disclosure relates to a control system (80) for a wind turbine (10) configured to carry out such methods (100, 200) for monitoring a wind turbine (10).

WIND TURBINE STEEL TOWER SECTION

Absstract of: EP4793495A1

Die Erfindung betrifft eine Windenergieanlagen-Stahlturmsektion (1), vorzugsweise Turmkopfsektion, mit einer Wand (3), die auf einer vorbestimmten Höhe (H) einen Innendurchmesser (D_I) aufweist. Es wird vorgeschlagen, dass eine Manschette (10) im Inneren der Stahlturmsektion (1) auf der vorbestimmten Höhe (H) angeordnet ist, und einen ringförmigen Trägerkörper (11) mit einem Außendurchmesser (d_AT) aufweist, welcher geringer ist als der Innendurchmesser (D_I), sowie mehrere umfänglich am Trägerkörper (11) verteilt angeordnete Druckelemente (13), die sich in radialer Richtung am Trägerkörper (11) einerseits und an dem Innendurchmesser (D_I) der Wand (3) andererseits abstützen und die Stahlturmsektion (1) versteifen.

一种风电机组散热系统及风电设备

Absstract of: CN224648671U

一种风电机组散热系统及风电设备，散热系统用于对容置在外壳内的风电机组散热，所述风电机组的叶片设置在所述外壳外，处于所述外壳的前端位置；包括：进风口，所述进风口设置在所述外壳的底部位置，至少一个所述进风口设置在靠近所述外壳的前端位置；第一出风口，所述第一出风口设置在所述外壳的顶部位置，和/或所述外壳的后端；风机，所述风机设置在所述第一出风口上，驱动所述外壳内的空气穿过所述第一出风口排出。由上，通过在外壳上设置进风口与第一出风口，从而可以方便外界的冷空气由进风口进入外壳内，并在与风电机组换热后由第一出风口排出。由此，可以降低外壳内的空气温度，进而提高风电机组的散热效率。

一种风电塔筒油污清洗履带式无人机机器人

Absstract of: CN224648668U

本实用新型提供了一种风电塔筒油污清洗履带式无人机机器人，包括车体、磁性履带、传动电机和控制面板，车体底部的前后端的传动轮外侧均嵌套有磁性履带，车体的底部左侧固定有传动电机，车体的顶部固定有控制面板，车体的右侧固定有连接板，连接板内部的前后端均竖向固定有液压缸，两个液压缸动力输出端的推杆底部固定有安装板，安装板右侧的上端及中部分别固定有储液箱和水泵，安装板的右侧下端固定有连接箱，连接箱的底部固定有喷头，安装板的内部下方固定有中板。本实用新型可同时对风电塔筒表面进行刷洗和冲洗，清洗效率更高，清洗过程中请假带与风电塔筒表面贴合度更高，适用于各种风电塔筒上弧形曲面的清洁，使用更加方便。

基于工业视觉的风电机组桩基地基检测方法及系统

Absstract of: CN122597388A

本发明涉及地基检测技术领域，具体为基于工业视觉的风电机组桩基地基检测方法及系统，包括：获取风电机组桩基地基的多视角工业视觉图像，识别多视角工业视觉图像中的桩基地基主体对象并分析桩基地基主体对象对应的表面纹理特征和结构形变特征；从多视角工业视觉图像对应的多个检测区域中确定包括表面纹理特征和结构形变特征异常的目标检测区域；基于全景灰度图像和各视角深度图像构建桩基地基的三维点云模型，并基于三维点云模型确定地基表面各区域对应的高程数据。本发明通过多视角工业视觉图像的获取和处理，能够准确识别桩基表面的纹理特征和结构变形特征，从而有效检测出初始缺陷区域。

一种基于声纹识别的风机叶片裂缝监测方法及系统

Absstract of: CN122589645A

本发明涉及风机叶片监测技术领域，且公开了一种基于声纹识别的风机叶片裂缝监测方法及系统，方法包括：采集环境参数并建立声速校正模型；定向追踪噪声源并动态调整麦克风阵列参数；通过无人机搭载的激励单元根据叶片姿态动态调整参数发射激励，同步采集声纹信号；对信号进行降噪、校正处理后提取多阶模态特征及耦合度系数；与动态基线比对判定裂缝。系统包含环境参数采集、噪声源追踪、声速校正、无人机激励、多通道麦克风阵列、信号预处理、特征提取及基线管理模块，各模块通过有线/无线通信连接。本发明通过环境参数校正与噪声抑制提升信号质量，结合动态激励与精准采集实现不停机监测，有效提高裂缝检测准确率与监测效率。

基于叶尖位置的风机叶片健康状态监测方法

Absstract of: CN122589652A

本发明涉及一种基于叶尖位置的风机叶片健康状态监测方法。该方法包括实时获取风力发电机组所有叶片的叶尖相对于叶轮旋转中心的相对位置矢量；以叶片旋转轴线的方向为参考轴线，将所述相对位置矢量分解为方位角和天顶角；选取其中一个所述叶片作为基准叶片，将其他所述叶片的所述相对位置矢量绕所述参考轴线旋转与所述叶片对应的预设角度，以使健康状态下所有所述叶片的方位角趋于一致；其中，所述预设角度根据所述叶片的总数量确定；根据旋转后各个所述叶片之间的方位角差值和天顶角差值的离散程度，生成用于表征所述叶片健康状态的亚健康度指标。该方法可以低成本、高可靠地实现风机叶片在线健康监测，具备良好的工业应用前景。

一种海上漂浮式风机水下转塔轴承及其装配方法

Absstract of: CN122589660A

本发明公开了一种海上漂浮式风机水下转塔轴承及其装配方法，包括上部内圈、中部内圈、中部外圈、下部内圈和下部外圈；所述上部内圈和下部内圈分别设置于中部内圈的顶部和底部，并相互固定连接；所述中部外圈通过第一滚动组件转动套设于中部内圈的外部，并通过第二滚动组件与上部内圈转动连接，且所述第二滚动组件位于第一滚动组件的上方外侧；所述下部外圈套设于下部内圈的外部，且位于中部外圈的底部。本发明能够有效减小转塔轴承占用空间，提高密封可靠性，保障深远海漂浮式风机长期稳定运行。

一种12-15MW风力发电机用机舱冷却器

Absstract of: CN224648673U

本实用新型涉及一种12‑15MW风力发电机用机舱冷却器，冷却箱体分为左换热腔和右回风腔，左换热腔内设交叉逆流板式换热器，冷却箱体左侧设置上下两个内进风罩，右回风腔内左侧设置上下两个内回风罩、右侧设置两个对应内回风罩的内风机，内进风罩和内回风罩均连通交叉逆流板式换热器的水平高温流道；所述左换热腔底部设置外进风口，左换热腔顶部设置外导风罩，外导风罩上朝前或后开设左右两个外出风口，对应两个外出风口位置的外导风罩内分别设置两外风机，外进风口和外导风罩均连通交叉逆流板式换热器的垂直低温流道。其结构简单，使用稳定，能较好地满足大功率风力发电机机舱内部冷却。

用于支撑叶片可靠性试验的支撑装置

Absstract of: CN224650876U

本申请涉及风电设备技术领域，具体为一种用于支撑叶片可靠性试验的支撑装置。支撑装置包括：地基；面板组件包括面板和多个安装部，面板具有多个安装孔且呈圆周分布，面板用于安装叶片，多个安装部均连接面板与地基；斜梁组件包括多个相互连接安装部，多个安装部与面板组件的多个安装部对应连接，且均与地基连接；面板组件的安装部的数量与斜梁组件的安装部的数量不同；面板组件的安装部沿竖直方向延伸，斜梁组件的安装部沿倾斜方向延伸，竖直方向与倾斜方向相交。通过面板组件的安装部与斜梁组件的安装部的数量不同，即能将承受的载荷进行分配，避免局部过载导致变形，又能根据实际受力进行装配，提升支撑装置对不同叶片试验的通用性。

一种海上风电基础牺牲群桩防冲刷装置

Nº publicación: CN224647700U 18/08/2026

Applicant:

中国核工业华兴建设有限公司

Absstract of: CN224647700U

本实用新型公开了一种海上风电基础牺牲群桩防冲刷装置，包括固定牺牲群桩排、移动牺牲群桩排和若干组装单桩；固定牺牲群桩排包括固定排肋板和若干固定排桩；固定排肋板由若干固定排弧型肋和若干固定排线型肋构成；相邻两个固定排线型肋为一组，与最内侧的固定排弧型肋组成固定排三角结构；固定排桩均与固定排肋板固定；移动牺牲群桩排包括移动排肋板；移动排肋板由若干移动排弧型肋和若干移动排线型肋构成；相邻两个移动排线型肋为一组，与最内侧的移动排弧型肋组成移动排三角结构；移动排弧型肋与固定排弧型肋相接组成圆形结构；组装单桩穿过移动排弧型肋和固定排弧型肋的相接处。本实用新型具有防护效果好、安装拆卸便利、可重复利用等优点。