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426
results.
Updated on
09/08/2025 [07:13:00]
Results 275 to 300 of 426
Absstract of: KR20250115939A
본 발명의 가속 풍력발전은; 차(210), 기차(220), 비행기(240), 배(250) 등 이동수단(200)의 진행을 따라, 바람에 프로펠라(110)가 돌며 발전모터, 터빈, 발전기 동체 등 발전장치(120)를 돌려, 풍력발전하는 것을 특징으로 한다.
Absstract of: 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.
Absstract of: EP4592522A1
Load carrying assembly (10), comprising a plurality of length sections of used wind mill blades (11) arranged in a preferably symmetrical structural pattern around a common longitudinal axis. The wind mill blade sections are attached to one another by a plurality of spaced apart connection elements (12, 13, 14). The structural pattern is typically symmetrical around a central axis.
Absstract of: EP4592525A1
The invention concerns a method for repairing a shear web (140) of a wind turbine rotor blade (110), wherein the shear web (140) comprises a defect (152) at the root end (142), the defect (152) running essentially along a longitudinal direction (120) of the wind turbine rotor blade (110). The method comprises the steps of:- providing a defect-bridging device (154) having a first cover plate (156) and a second cover plate (158), both the first cover plate (156) and the second cover plate (158) comprising an inner surface (164) and an outer surface (166), and- bonding the first cover plate (156) with its inner surface (164) onto a first surface region (168) of the shear web (140) and bonding the second cover plate (158) with its inner surface (164) onto a second surface region (170) of the shear web (140), such that both cover plates (156, 158) at least partly cover the defect (152).The invention also relates to a wind turbine rotor blade (110) .
Absstract of: EP4592521A1
This application relates to the technical field of wind turbines, and provides a wind turbine flutter suppression method and device, a control system and a wind turbine. The method includes: determining a nacelle-wind direction angle between a wind direction and a nacelle direction; and determining a pitching method for changing pitch angles according to the nacelle-wind direction angle. The pitching method includes a speed-controlled pitching scheme and a pitch-angle-sequence-controlled pitching scheme. The speed-controlled pitching scheme includes: regulating pitch angles of blades of the wind turbine according to a rotor speed of the wind turbine to keep the rotor speed within a preset speed range until flutter of the wind turbine is suppressed. The pitch-angle-sequence-controlled pitching scheme includes: performing a pitching operation on the pitch angles of the blades of the wind turbine according to preset pitching rules until the flutter of the wind turbine is suppressed. According to this application, with this method, the flutter suppression of the wind turbine can be realized without yawing by using a low-power standby power supply when the wind turbine is powered down.
Absstract of: EP4592520A1
The present application relates to a forward swept fan blade, a design method and manufacturing method therefor and a wind turbine. The forward-swept fan blade comprises: a blade body, extending in the length spanwise direction between a root and a tip of the blade; and a pitch axis, extending and vertically penetrating through the center of a root circle. With respect to the pitch axis, on the downstream side of the middle of the blade in the length spanwise direction, the blade deviates in a direction from a trailing edge to a leading edge. Using the forward-swept fan blade in the embodiment of the present application can enable the blade to generate forward torsional deformation during operation, so as to counteract the trend of the blade deviating from the optimal lift-to-drag ratio, thus achieving the purpose of minimum loss of the optimal power coefficient at different rotating speeds, and increasing the overall power generating capacity of wind turbines.
Absstract of: 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).
Absstract of: 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.
Absstract of: WO2024061641A1
The method is for operating a wind turbine (100) having a rotor (10) with at least two rotor blades (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 bending moments of the at least two rotor blades and the assigned positions of the rotor blades. In another step, second information is provided which is representative for maximum allowed bending moments of rotor blades when they are in a critical sector close to the tower. In yet another step, third information is determined depending on the first and the second information which is representative for whether the bending moment of at least one rotor blade exceeds the respective maximum allowed bending moment when said rotor blade is in the critical sector. If this is the case, an output signal is generated which is configured to cause the pitch setting system to individually change the pitch angles of the rotor blades in order to reduce a deflection of the rotor blades towards the tower when they pass the tower.
Absstract of: CN119907983A
The invention relates to a method for constructing a wind farm in a predetermined space, in which at least the following consecutive steps are carried out: a) forming (GR) individual grids in the predetermined space, b) determining, for each grid, the average annual energy production (AEP-mf) of a small wind farm consisting of wind turbines at the intersections of the cells, c) selecting (Ch) a number of grids capable of maximizing the energy production, and d) selecting (Ch) a number of grids capable of maximizing the energy production. D) for each grid c in step c), determining a first layout (Alg1) of a predefined number of wind turbines on the grid, e) modifying the positions (Alg2) of the wind turbines on the grid, f) determining a deterministic layout (DispF) of the wind turbines within a predetermined space, and constructing (Const) the wind farm.
Absstract of: CN119923521A
The invention relates to a drive train (14) for a wind turbine (10), having a transmission (18) for transmitting and converting a torque originating from a rotor shaft (16) of a rotor (12), the transmission (18) having an input transmission element, in particular a planet carrier (32), which is not supported at least on the rotor side and serves to introduce the torque into the transmission (18), and having a coupling unit (46) for coupling the input transmission element to the planet carrier (32). The coupling unit (46) is designed to be separated from the rotor shaft (16) and from the transmission (18) and is used for coupling the rotor shaft (16) to the input transmission component in a torque-transmitting manner, and the coupling unit (46) is provided with a bearing (48) which is used for supporting the unsupported input transmission component in the coupling unit (46). By adapting the bearings of the input transmission components in individually designed coupling units (46) to different demand profiles, alteration of the structure of the transmission (18) can be avoided, thereby enabling a cost-effective driveline (14) for different wind turbines.
Absstract of: WO2024061588A1
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 of providing first information which is representative for the tilt bending moment acting on the rotor. In another step, second information is provided which is representative for the thrust force acting on the rotor. In yet another step, third information is provided which is representative for a critical area of thrust forces and tilt bending moments. In another step, fourth information is determined depending on the first, the second and the third information. The fourth information is representative for whether the tilt bending moment and the thrust force lie within the critical area. I f 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 leave the critical area.
Absstract of: CN119894765A
The invention relates to a floating support structure (2-1) for an offshore wind turbine, comprising: a lower connector (4) centered on the axis (X-X) of the mast (9) of the wind turbine, said lower connector (4) comprising at least three lower receiving grooves (10) uniformly distributed around the axis of the mast of the wind turbine; an upper connector (6) centered on the axis of the mast of the wind generator, the upper part of which comprises means (14) for receiving the mast of the wind generator and the lower part of which comprises at least three upper receiving grooves (12) uniformly distributed around the axis of the mast of the wind generator; and at least three identical tubular central posts (8), the lower end of which is fitted in one receiving groove of the lower connector and the opposite upper end of which is fitted in one receiving groove of the upper connector (so as to form a floating support tower adapted to the vertical extension of the mast of the wind turbine). The invention further relates to an assembling method of the structure.
Absstract of: MX2025003430A
A fluid flow turbine blade assembly for a turbine rotor includes a blade and a deflector extending spanwise along at least a portion of the blade. At least a portion of an upstream surface of the deflector, along at least a portion of a span of the deflector, has a concave shape in a chordwise direction such that at least a portion of a chord line between leading and trailing edges of the deflector is disposed outside a profile defined between the upstream surface and a downstream surface of the deflector. The deflector has a substantially uniform thickness or a chord-wise varying thickness between the upstream surface and the downstream surface. The deflector alters fluid flow over the blade so as to increase the blade's contribution to global torque generated by the assembly so that, with the deflector's torque contribution, the global torque of the assembly is greater than the global torque that would be generated by the blade alone without the benefit of the deflector.
Absstract of: 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.
Absstract of: CN119895179A
The invention relates to an industrial gear unit (100) having at least one shaft (101) and at least one shaft receptacle (103) for mounting the shaft in an axially fixed manner, the shaft being mounted in the shaft receptacle in an axially fixed manner in at least one axial portion (X1, X2) of the shaft, according to the invention, an intermediate element assembly (10) is arranged between the shaft receptacle (103) and the shaft (101) in such a way as to act in the axial section, said intermediate element assembly being mounted between the shaft and the shaft receptacle in an axially fixed and axially force-transmitting manner, the intermediate element assembly has a laser structured surface (10.1) in at least one surface portion (10.1 a, 10.1 b) on the shaft and/or on the shaft receptacle and is thus intended for at least substantially force-fitting and optionally also form-fitting support with respect to an axial displacement, wherein a conical pressure fit or similar connection which produces a form fit at a macro level can be additionally provided. The invention also relates to a corresponding intermediate element having a laser-structured surface for such an intermediate element assembly, to a method for the production thereof, and to the use thereof in planetary gear systems, in particular for wind turbines.
Absstract of: 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.
Absstract of: 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.
Absstract of: CN119546850A
The invention relates to a plain bearing (9) comprising: an inner ring element (13); an outer ring element (14); at least one sliding bearing element (15), which is arranged between the inner ring element (13) and the outer ring element (14), by means of which the outer ring element (14) and the inner ring element (13) are supported so as to be rotatable relative to one another about an axis of rotation (16), the sliding bearing element (15) comprising a plurality of sliding bearing pads (22), each individual sliding bearing pad (22) having a curved bearing surface (27). The curved bearing surface (27) has a first radius (34) in a longitudinal section along the axis of rotation (16) and a second radius (35) in a cross section orthogonal to the axis of rotation (16). In particular, the second radius (35) is larger than the first radius (34).
Absstract of: KR20250115127A
본 발명은, 지지대상물에 설치되며, 상기 지지대상물에서 멀어지는 방향으로 연장된 복수의 코일 지지대를 포함하는 고정유닛, 바람에 의해 진동 가능하게 상기 고정유닛에 설치되는 마스터 바디, 상기 마스터 바디에 설치되어 상기 마스터 바디의 진동을 이용하여 전력을 발생시키는 발전유닛 및 상기 마스터 바디와 함께 진동하도록 상기 발전유닛에 의해 상기 마스터 바디에 연결되며, 상기 코일 지지대 사이의 설치공간 내에 위치하게 설치되되, 내경의 길이가 상기 지지대상물에서 멀어지는 방향을 따라 변하는 영구자석을 구비하는 것을 특징으로 한다. 본 발명에 따르면 회전날개가 없어서 관리 및 유지비용이 저렴하면서 소음이 발생하지 않으며, 테이퍼 자석구조를 적용하여 풍력발전기의 발전효율이 향상하는데 그 목적이 있다. ▶(국문) 본 과제(결과물)는 2023년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력기반 지역혁신 사업의 결과입니다.(2021RIS-002) ▶(영문) This research was supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE) (2021RIS-002)
Absstract of: KR20250115126A
본 발명은, 지지대상물에 설치되는 베이스유닛, 바람에 의해 진동 가능하게 상기 베이스유닛에 설치되며, 상기 지지대상물에서 멀어지거나 가까워지는 방향으로 길이조절이 가능한 마스터 바디 및 상기 마스터 바디에 설치되어 상기 마스터 바디의 진동을 이용하여 전력을 발생시키는 발전유닛을 특징으로 한다. 본 발명에 따르면, 회전날개가 없어서 소음이 발생하지 않고, 발전할 수 있으며, 길이조절이 가능하기 때문에 설치위치의 변경 및 휴대성이 증가한다는 장점이 있는 날개가 없는 풍력발전기용 소형화 장치를 제공하는데 그 목적이 있다. ▶(국문) 본 과제(결과물)는 2023년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력기반 지역혁신 사업의 결과입니다.(2021RIS-002) ▶(영문) This research was supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE) (2021RIS-002)
Absstract of: EP4592524A1
The present invention relates to a lightning-protection device in a modular blade that connects the outboard module (2), where the lightning strikes, to the inboard module (3) through which the lightning is conducted to the hub, and includes the lightning down conductor cable (9). Said device (7) is an elastic element with greater electrical conductivity than the adhesive (12) used to affix the inserts (11) in holes previously drilled inside the carbon fibre (6) and the make up the metal joint (4) of the modular blade (100). The device (7) is an elastomer with a preferably toroidal shape thar surrounds each and every one of the metal elements (4) that make up the joint of the blade and covers the gap formed between the carbon fibre (6) of the cap (5) and the aforementioned metal elements (4). The use of other shapes and other conductive materials that allow its geometry to be elastic is an option.
Absstract of: EP4592519A1
The invention describes a shear web assembly (1) for a wind turbine rotor blade (4), comprising a composite shear web (10); at least one electrical cable section (12) bonded to the bag-side (10B) of the shear web (10), wherein the length (L<sub>12</sub>) of an electrical cable section (12) is at most 80% of the shear web length (L<sub>10</sub>); and a bonding layer (18) over each electrical cable section (12), wherein a bonding layer (18) comprises resin-infused reinforcing material and is formed concurrently with the composite shear web (10). The invention further describes a method of manufacturing such a shear web assembly (1), and a wind turbine rotor blade (4) comprising such a shear web assembly (1).
Absstract of: EP4592523A1
This application relates to the technical field of wind turbines, and in particular to a standby power supply control device, a system, a wind turbine generator system and a method. The device includes: a nacelle vibration detection unit, configured to monitor vibrations of a nacelle of a wind turbine and send a first vibration signal obtained by monitoring to a standby power supply start/shutdown control unit; and the standby power supply start/shutdown control unit, configured to acquire the first vibration signal, determine a vibration state of blades on the wind turbine according to the first vibration signal and send a start command to a standby power supply when the vibration state is abnormal vibrations. The standby power supply start/shutdown control unit is further configured to acquire comprehensive vibration information, determine a vibration suppression result of the wind turbine according to the comprehensive vibration information and send a shutdown command to the standby power supply when the vibration suppression result is vibration suppression completed so as to drive the standby power supply to shut down. Thereby, this application solves the problems of short continuous high power supply to the wind turbine when facing the risk of blade flutter between hoisting and grid connection, and poor economic efficiency in the prior art.
Nº publicación: CN223164642U 29/07/2025
Applicant:
重庆海装风电工程技术有限公司
Absstract of: CN223164642U
本实用新型涉及一种风电机组机舱漏油检测及防污染塔筒的装置，包括：通风孔挡油组件，围绕机舱罩上每个通风孔的外沿均设置有一个所述通风孔挡油组件，用于防止从所述通风孔处漏油；机舱罩底部集油组件，所述机舱罩底部集油组件设置于所述机舱罩上，用于横向隔断所述机舱罩后端与位于所述机舱罩前端的所述通风孔区域；漏液检测组件，所述漏液检测组件设置于所述机舱罩底部集油组件背离所述通风孔挡油组件一侧的所述机舱罩上，用于检测所述机舱罩上是否存在漏液。本实用新型的有益效果是本装置可有效减少机舱内油液泄漏到外部的情况，降低因清洗塔筒、环境整改等不必要的风电机组运维成本。
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