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522
results.
Updated on
01/10/2025 [07:14:00]
Results 400 to 425 of 522
Absstract of: WO2025191188A1
The invention relates to a system and method for the inspection of moving blades (4) of wind turbines (5), comprising two aerial vehicles (1, 2) that have a respective configuration of master (1) and slave (2), wherein the master (1) manages all the data and verifies the execution of the steps of inspection by the slave (2), and wherein the aerial vehicles (1, 2) communicate wirelessly, maintaining synchronisation in their flight plan, each one being equipped with a control module and sensor means, and communicating wirelessly with a ground control device (3); the inspection process is configured in a redundant process of detecting blades (3) in video images.
Absstract of: DE102024106980A1
Die Erfindung betrifft eine Kupplung für einen Antriebsstrang einer Windenergieanlage zwischen Getriebe und Generator, wobei die Kupplung eine antriebsseitige Kupplungsnabe und eine abtriebsseitige Kupplungsnabe und ein Zwischenstück aufweist, wobei die Kupplung einen Drehmomentbegrenzer aufweist. Um einen gattungsgemäßen Antriebsstrang zu schaffen, der so ausgebildet ist, dass im Überlastfall wesentlich höhere Energien aufgenommen werden können, weist der Drehmomentbegrenzer mehr als zwei Reibelemente, insbesondere Scheiben, auf.
Absstract of: JP2025135266A
【課題】地上クレーンを用いることなくステーリングを容易に取り付けることができる。【解決手段】ステーリング２５の取付方法は、積載作業位置において、昇降フレーム部３０のうちガイドタワー２１よりも水平方向における外側であり、第１架台４０が配置される架台配置部３０Ａとはガイドタワー２１を挟んで反対側に位置するステーリング載置部３０Ｂにステーリング２５を載置するステーリング積載工程、昇降フレーム部３０をステーリング取付作業位置よりも上方まで上昇させる昇降フレーム部上昇工程、第１架台４０をステーリング載置部３０Ｂに向けて移動させるとともに第１架台４０によりステーリング２５を吊り下げるステーリング吊り下げ工程、及び第１架台４０をタワー１１の直上まで移動させた後、ステーリング取付作業位置までステーリング２５を降下させてタワー１１とガイドタワー２１とにステーリング２５を取り付けるステーリング取付工程を含む。【選択図】図９
Absstract of: FI20247130A1
Disclosed is a Hybrid Vertical Axis Wind Turbine. The present invention pertains to the field of renewable energy technologies, specifically focusing on wind power generation. More particularly, the invention relates to hybrid vertical-axis wind turbines that incorporate an active blade adjustment mechanism to optimize performance based on varying wind conditions. The blade adjustment mechanism is controlled by a control arm (30), which is linked to the blades (20) with a specific linkage arrangement (40, A, D, 32, 34, C, B, E, 36, 38, F). The invention uses both lift and drag type forces that combine to produce a large torque, allowing operation at lower rotation speeds than prior art solutions.
Absstract of: AU2023378995A1
A direct air capture (DAC) system (100) includes a plurality of DAC units (102, 104). Each DAC unit (102, 104) of the plurality of DAC units (102, 104) includes at least one housing (112), at least one absorber (114) disposed within the at least housing (112), and at least one fan (116) mounted to the at least one housing (112) to generate an airflow (118). The airflow (118) exits the at least one housing (112) as an exit airflow (120) and flows towards a downstream DAC unit (104) of the plurality of DAC units (102, 104). At least one structure (136) is disposed between an upstream DAC unit (102) and the downstream DAC unit (104) of the plurality of DAC units (102, 104). The at least one structure (136) generates one or more wind eddies (146) from a surrounding air and mixes the one or more wind eddies (146) with the exit airflow (120) of the upstream DAC unit (102).
Absstract of: EP4617515A1
A double-end stud (2) for connection of a blade root (1) of a wind turbine and a machining method for the double-end stud are provided. An external thread of a threaded section (21) of the double-end stud (2) is a rounded thread. A nominal diameter of the rounded thread is d<sub>nominal</sub>=36 mm-40 mm, a pitch of the rounded thread is Pr=(0.153-0.192)d<sub>nominal</sub>, a height of the rounded thread is hr=(0.37-0.44)Pr, and a minor diameter of the rounded thread is d1r-d<sub>nominal</sub>-0.8746Pr.
Absstract of: EP4617527A1
A gearbox and a wind turbine are provided. The gearbox includes: a first end cover, which is ring-shaped and includes a first body and a first ring portion located on a side of the first body; a second end cover, which is disposed on a side of the first end cover and is rotatable relative to the first end cover, wherein the second end cover is ring-shaped and includes a second body and a second ring portion located on a side of the second body, the second ring portion and the first ring portion are located between the first body and the second body, and the second ring portion and the first ring portion are nested with and spaced apart from each other; and a sealing component, which is between the first ring portion and the second ring portion to abut against the first ring portion and the second ring portion and is spaced apart from the first body in a first direction, wherein the first end cover further includes a first oil discharge hole; the first body, the sealing component, the first ring portion, and the second ring portion enclose and form a first chamber, and the first chamber is in communication with the first oil discharge hole. The sealing effect of the gearbox can be effectively improved.
Absstract of: EP4617045A1
A pultrusion-winding forming method, which is used for manufacturing a pultrusion-winding product. The method comprises the following steps: S101, after several yarns are impregnated with a resin glue solution, pultruding and winding the several yarns outside a mandrel to form an axial layer and a wound layer to obtain a prefabricated member of a pultrusion-winding product; S102, curing the prefabricated member at high temperature to form the pultrusion-winding product, and pulling the pultrusion-winding product to move in the forming advance direction of the pultrusion-winding product, thereby continuously forming the pultrusion-winding product; and S103, detecting a position signal of the pultrusion-winding product, and cutting the pultrusion-winding product according to a preset length. The pultrusion-winding product prepared by the pultrusion-winding forming method of the present application has both good circumferential strength and axial strength, can bear a circumferential acting force and an axial acting force simultaneously, and has excellent mechanical properties. In addition, the pultrusion-winding forming method involves a simple process and has high production efficiency.
Absstract of: EP4617488A1
The device can be used as an input attachment for multiplying the drive of all types of electric generators driven by fluid flows, for example air or water turbines, including river, tube or tidal turbines, to improve many times their energy efficiency. It consists of a flow manifold for fluid flow (1) with a streamlined cone (2) and an outer wall (3), forming together an annular nozzle (4). The flow manifold for fluid flow (1) has one or more radial conduits (7), and the annular nozzle (4) is separated from an air or water turbine (6) by an attractor chamber (5).
Absstract of: GB2639256A
Electricity generating apparatus comprising a wind turbine 14 housed within a conduit 11 with an inlet 17 (e.g. having expandable ducts 18) and outlet 12 and an airflow therebetween induced by a pressure difference between the inlet and outlet that is controlled by a control system (e.g. by varying the size of the inlet and outlet). The apparatus may be connected to the grid network or solar panels 21 and have a battery 15. The grid or solar panels may be used to power a starter motor which powers the turbine to draw air into the system which is then used to rotate the turbine, thereby creating energy. The system can be placed on the side of a building (fig.2, 23).
Absstract of: GB2639174A
A method of constructing a floatable foundation 100 for a wind turbine generator, the method comprising constructing a base 101 having a tower interface 2 at a land-based construction site 102; receiving a first part 1a of a wind turbine tower 1 at the land based site, the first part having a first bolted flange 3a or weld interface and a base interface 4; with the base located at the land-based construction site, connecting the base interface and tower interfaces to fix the first part to the base; moving the base into a floating state; and mounting a second part 1b of the wind turbine tower, the second part having a second bolted flange 3b or weld interface configured to interface with the first bolted flange 3a or weld interface, to the first part by connecting the first and second bolted flanges or weld interfaces.
Absstract of: EP4617489A1
The object of the invention is a hybrid wind turbine tower which reduces the number of connections between sections, so optimizing the design, also avoiding the concentration of stresses along the height of the tower and reducing the costs of transportation.
Absstract of: WO2024153381A1
Method for manufacturing a Turbine Blade for a Wind Turbine and Turbine Blade The present invention relates to a method for manufacturing a turbine blade (1) for a wind turbine. The method comprises: - Manufacturing a first turbine blade part (2), - Manufacturing a second turbine blade part (4), - Aligning the first turbine blade part (2) with the second turbine blade part (4), and - bonding the first turbine blade part (2) to the second tur- bine blade part (4) along the bonding line (6) in a thermo- plastic welding process with a thermoplastic resin. The invention also relates to a Turbine blade (1) for a wind turbine.
Absstract of: WO2024149497A1
It is described a method of controlling a fractional slot electrical machine (865), in particular of a wind turbine, comprising a stator and a rotor rotatable relative to the stator for handling at least one fractional harmonic oscilla- tion, the method comprising: determining a fractional harmon- ic electrical angle position (θ_h) of the rotor corresponding to the fractional harmonic; controlling the machine (865) based on the fractional harmonic angle position (θ_h).
Absstract of: WO2024099527A1
The invention relates to determining wind speed at a wind turbine comprising a rotor and a plurality of rotor blades. The invention involves receiving a rotor speed signal indicative of current speed of the rotor and receiving a pitch angle signal indicative of current pitch angle of the rotor blades. For each of a plurality of wind speeds, a first thrust force on the rotor is obtained based on the received rotor speed and pitch angle signals. The invention involves receiving a blade flap load signal, from a blade flap load sensor of each of the rotor blades, indicative of measured flap loading on the rotor blades, and obtaining a second thrust force on the rotor using a defined blade element model and the received blade flap load signal. The first thrust forces are compared against the second thrust force, and wind speed is determined based on the comparison.
Absstract of: WO2024100172A1
In the installation of a wind turbine use is made of an integrated device configured for nacelle lifting as well as for blade positioning, the integrated device having a nacelle lifting structure and a blade positioning assembly. The method comprises connecting the integrated device to a nacelle and then lifting the nacelle to the top of the tower, followed by fastening of the nacelle to the top of the tower. After fastening of the nacelle the load connector of the crane is disconnected from the integrated device which then remains connected to the nacelle in a stable position. The blade positioning assembly is used in positioning of the blade root relative to the blade mounting structure of the hub for the securing of the blade root to the blade mounting structure.
Absstract of: WO2024099942A1
The present invention concerns a control method for controlling a wind turbine (15), the method comprising forming a control model of the wind turbine. The control model is configured to actively damp a tower pitch inclination (Φ) by calculating, from a measurement of a tower pitch speed, a value of a controllable blade pitch angle (β) to provide to a blade actuator (60). The control model comprises a compensation gain calculated based on a predetermined formula and representative of a wind turbine dynamic. The compensation gain is configured to determine the controllable blade pitch angle. The control method comprises receiving, at a time instant, a measurement of the tower pitch speed. The control method comprises calculating a value of the controllable blade pitch angle based on the control model, and transmitting to the wind turbine, a control's command comprising the calculated value of the controllable blade pitch angle.
Absstract of: AU2023378001A1
Method of manufacturing a rotor blade (30) for a wind turbine comprising the steps of a) providing plies and stacking the plies in a first mold for a first half rotor blade shell (10) and in a second mold for a second half rotor blade shell (20) for use in a high- pressure resin transfer molding process; b) injecting a resin by high-pressure resin transfer molding process; c) providing a plurality of bushings (50) each formed as a solid cylindrical sleeve having a wall protrusion (52) extending radially outwards; d) manufacturing a spacer (60), the spacer comprising a rotor blade root (42) including the plurality of bushings (50); and e) positioning and bonding the first half rotor blade shell, the second half rotor blade shell and the spacer (60); f) providing a plurality of washers (80) to mount a washer at each end of the bushings.
Absstract of: CN119790241A
The invention relates to a bearing assembly, in particular a bearing assembly (1) for a wind turbine, comprising a shaft (3) rotatably mounted in at least one first bearing, the shaft being at least partially immersed in a hydraulic oil sump (6) filled with a hydraulic fluid (5), a hydraulic delivery device (7) being arranged in the hydraulic oil sump, the hydraulic delivery device has a concave, circular, arcuate contour (8) in cross section, which, together with the shaft having a circular cross section, forms a cylindrical, annular hydraulic channel (9) between the contour of the hydraulic delivery device and the shaft rotating in the direction of rotation during operation, the hydraulic channel has a channel inlet (10) located in the direction of rotation of the rotating shaft and a channel outlet (11) located downstream of the channel inlet in the direction of rotation, and a pressure channel (12) is formed between the channel inlet and the channel outlet, which pressure channel extends from the contour and through the hydraulic delivery device, the pressure channel is arranged such that during operation of the bearing arrangement, hydraulic fluid can be conveyed out of the hydraulic oil sump via the pressure channel.
Absstract of: CN120035724A
The invention relates to a transmission arrangement (101, 201, 301, 401, 501), comprising a rotatable first planet carrier (107), a first planet gear (103) rotatably mounted in the first planet carrier (107), a second planet gear (105), a rotationally fixed ring gear (109) which meshes with a first toothing (103a) of the first planet gear (103), and a rotatable sun gear (117). The second toothing (103b) of the first planet gear (103) is rotationally connected to the sun gear (117) by means of the second planet gear (105).
Absstract of: CN120650144A
本发明涉及海上风机技术领域，特别涉及一种泥浮式海上风机的系泊失效预警方法、装置及系统。该方法包括：获取泥浮式海上风机在悬浮态时的实时运行数据；将所述实时运行数据输入到预先构建好的系泊失效预警模型中，输出得到泥浮式海上风机系泊失效的预测结果；基于所述预测结果，控制泥浮式海上风机的锚链和气水置换阀进行操作，以使泥浮式海上风机由悬浮态转换为泥浮态。上述技术方案能够保证系泊失效预警的安全有效。
Absstract of: CN120649499A
本发明提供了一种海上光伏大直径组合桩及其施工方法，属于桩基工程技术领域，包括：混凝土预制桩段；支撑桁架，支撑桁架套接于混凝土预制桩段，限位桁架和支撑桁架在混凝土预制桩段的轴向上对接，支撑桁架的外周覆盖有一圈筒罩部并构成一吸力筒；本发明的有益效果为：混凝土预制桩段与吸力筒配合，增大了组合桩与土体的接触面积，并且大大增强了抗倾覆性能和抗弯能力；并且可以减小桩径和减少钢筋用量；通过水泵抽取吸力筒内的水从而控制组合桩下沉，免去了使用专业打桩船的需求。
Absstract of: CN120650125A
本发明公开了一种排气烟筒风力再利用混合发电设备，涉及能源再利用技术领域。本发明包括固定安装于离心通风机的进气风筒管道上部或出气风筒管道上部的排气烟筒管道上部的捕风离心风轮箱，在捕风离心风轮箱里安装有捕风离心风轮，捕风离心风轮箱底部设有固定平台架，与捕风离心风轮箱同一水平面的固定平台架上设有机舱壳罩，机舱壳罩内安装有与捕风离心风轮相连的传动系统、与传动系统相连的永磁发电机系统。本发明解决了目前尚未有将达标废气作为风力源的发电设备的技术问题。
Absstract of: CN120650138A
本申请实施例提供一种液压变桨角度执行偏差的根因定位方法及系统，所述方法包括：实时采集风力发电机组的运行数据；基于所述运行数据，执行目标特征提取，所述目标特征提取包括复杂风况特征提取、液压驱动系统特征提取和叶片耦合振动特征提取；当触发变桨跟踪故障时，基于所述复杂风况特征提取的提取结果、所述液压驱动系统特征提取的提取结果和所述叶片耦合振动特征提取的提取结果执行根因分类，所述根因分类包括复杂风况、液压执行机构异常、叶片耦合振动和未分类异常。本申请精准区分了复杂风况导致的变桨驱动超限、液压执行机构泄漏/压力异常及叶片耦合振动引发的角度振荡三类根因，有效提升了诊断精度。
Nº publicación: CN120650118A 16/09/2025
Applicant:
重庆交通职业学院
Absstract of: CN120650118A
本发明提供了一种高空发电设备及系统，高空发电设备包括风力发电机、漂浮器和呈封闭结构的避雷笼体，风力发电机和漂浮器均设置在避雷笼体内；漂浮器为圆筒状，漂浮器内填充有氦气，风力发电机设置在漂浮器的圆筒内部，风力发电机的旋转轴与漂浮器同轴设置。本申请提供的高空发电设备，其在风力发电机和漂浮器外设置有避雷笼体，通过避雷笼体能够对风力发电机和漂浮器进行防护，避免风力发电机和漂浮器受到雷击的风险，增强了高空发电设备的安全性，使本申请的高空发电系统能够全天候使用。同时，本申请高空发电设备的漂浮器内填充有氦气，相比于相关技术中采用氢气球作为漂浮器，采用氦气更加安全。
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