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436
results.
Updated on
15/07/2026 [07:41:00]
Results 125 to 150 of 436
Absstract of: WO2025007207A1
An adjustable support system for supporting and immobilizing a longitudinally extending main shaft in a nacelle of a wind turbine when a gearbox has been dismounted involves: a transverse beam rigidly mounted in the nacelle and extending over the main shaft; a saddle having an arcuate recess to engage with the main shaft from above the main shaft, the saddle movably connected to the transverse beam; a flexible strap that engages the main shaft from below the main shaft to support the main shaft from below; and, a transverse saddle adjuster connected to the saddle and configured to adjust transverse position of the saddle relative to the main shaft.
Absstract of: WO2025000193A1
The invention relates to a system and method for manufacture of a composite structure (17) of a wind turbine blade (5). Layers of a fibrous material (33) are arranged in a mould (16) and the top surface of the upper layer is scanned using a measuring device (25). The data inputted from the measuring device (25) is analysed in a processor (26) to identify the locations of defects (27) and detailed information thereof. The location data is then transmitted to a lighting system (28), where the locations of the defects (27) are visually indicated on or relative to the upper layer of the composite structure (17) using lighting devices (29). The present inspection method can be performed during dry layup of the respective layers, thereby allows defects (27) to be corrected be-fore infusion of the resin matrix material.
Absstract of: US20260194039A1
A flow modifying element for a wind turbine blade is provided. The wind turbine blade (10) comprises a blade body (20) having a leading edge (16), a suction surface (18), a pressure surface (19), and a trailing edge (17). The blade body (20) has a chord length c, wherein the leading edge (16) corresponds to a position in chord direction of 0% c and the trailing edge (17) corresponds to a position in chord direction of 100% c. The flow modifying element (30) is configured to be arranged on the pressure surface (19) of the blade body (20) in a range in chord direction between 40% c and 100% c. The flow modifying element (30) is further configured to form a bulge (33) that bulges outwardly from the pressure surface (19) of the blade body (20).
Absstract of: US20260196832A1
0000 A method of extending a predefined operating speed threshold of a grid-forming (GFM) inverter-based resource (IBR) connected to an electrical grid includes receiving a grid frequency signal of the electrical grid or a function thereof based on one or more grid frequency feedbacks. The method also includes determining a speed deviation based on the grid frequency signal of the electrical grid or the function thereof. Further, the method also includes combining the speed deviation with the predefined operating speed threshold of the GFM IBR, the predefined operating speed threshold of the GFM IBR being associated with a nominal grid frequency. Moreover, the method includes generating, via the controller, a new operating speed threshold for the GFM IBR using the speed deviation and the predefined operating speed threshold being associated with the nominal grid frequency. In addition, the method includes operating, via the controller, the GFM IBR using the new operating speed threshold.
Absstract of: US20260192894A1
0000 Methods and systems are provided for nautical stationkeeping of free-floating objects. In one example, a method includes adjusting translational motion of a body freely floating in water by rotating the body. The translational motion may be adjusted, for instance, to maintain the body within a geographic area. In certain examples, the adjustment of the translational motion may be realized via a Magnus effect induced by rotating the body. The body may be configured as, for example, a free-floating object such as a wave engine.
Absstract of: US20260196830A1
0000 A method for controlling a grid connected power converter configured to supply power to a grid from a power source, the method comprising: determining a grid voltage reference (Pref_VMP) for controlling the power converter; controlling a first power component being supplied to the grid by the power converter by controlling the power converter (202) using a first grid forming controller configured to control the output voltage towards the grid voltage reference (Pref_VMP), the first grid forming controller operating according to a first grid forming algorithm being configured to output a first voltage component for supplying the first power component to the grid; controlling a second power or voltage component being supplied to the grid by the power converter by controlling the power converter using a second grid forming controller, operating in parallel to the first grid forming controller, the second grid forming controller operating according to a second grid forming algorithm being configured to output a second voltage component for supplying the second power or voltage component to the grid; combining the second output voltage component of the second grid forming algorithm with the first output voltage component of the first grid forming algorithm; and operating the power converter according to the combined output voltage from the first grid forming controller and the second grid forming controller.
Absstract of: US20260194041A1
A wind turbine generator is presented. The wind turbine generator comprises: —a support structure including a tower; —a nacelle connected to the tower; —two or more blades mounted on a hub connected to the nacelle; and—at least one oscillation damping arrangement arranged within at least one of the two or more blades, the at least one oscillation damping arrangement being tuned to one or more common frequencies of at least one coupled mode oscillation, such that the at least one coupled mode oscillation is mitigated by the at least one oscillation damping arrangement; wherein—the at least one coupled mode oscillation at the one or more common frequencies is a combination of oscillations of the support structure and oscillations of at least one of the two or more blades; and—the oscillations of the support structure and the oscillations of the at least one of the two or more blades are caused by forces transferred through the support structure at seismic activity in the ground where the support structure is positioned.
Absstract of: US20260194046A1
0000 A wind turbine blade lightning protection system has a lightning receptor arranged at an outer surface of the blade. Each of a first and a second carbon fibre reinforced spar cap has a chamfered tip end and an opposing chamfered root end. An electric connection between the lightning receptor and the chamfered tip end or the chamfered root end of the first or second spar cap includes a conductive fabric having unidirectional carbon fibres bonded by an adhesive, the conductive fabric comprising a thickness of 0.01-0.5 mm and a fibre volume fraction (FVF) of at least 50%.
Absstract of: US20260194045A1
0000 A wind turbine (W) has a hub (2) rotatably supported relative to a nacelle (3) and plurality of blades (1) mounted on the hub (2). A lightning current transfer system (100) is arranged to provide a lightning current transfer path (P) from at least one of the blades (1) to the nacelle (3). The lightning current transfer system (100) has at least one electrical conductor (20) which passes through a hollow interior portion of the hub (2) between the at least one of the plurality of blades (1) and the nacelle (3). A cover (24) is provided for attenuating an electromagnetic field generated by a lightning current in the electrical conductor (20) passing within the hollow interior portion of the hub.
Absstract of: US20260196839A1
0000 A method for operating a renewable energy source having an inverter-based resource (IBR) system connected to a power grid includes: operating the IBR system as a virtual synchronous machine (VSM) in grid-forming mode (GFM) control; deriving a power error signal (P
Absstract of: US20260192890A1
0000 A method of monitoring a mooring system (10) of a floating offshore installation, FOI, (100) that is moored by the mooring system (10) is provided. The method comprises obtaining parameters related to a position of the FOI, wherein the parameters include at least mooring system parameters that are indicative of a region (15) within which a position of the FOI is expected to lie. The method further includes obtaining position measurements of an actual position (11) of the FOI, and deriving, from the obtained parameters and from the position measurements of the FOI, a state of the mooring system (10) of the FOI.
Absstract of: US20260192542A1
0000 Fabric (20) comprising: 0000 i) a first fiber layer (21, 22, 23, 24) and a second fiber layer (21, 22, 23, 24), wherein the first fiber layer (21, 22, 23, 24) and the second fiber layer (21, 22, 23, 24) are laid on top of each other; and 0000 ii) a yarn (25), wherein the yarn (25) extends through the first fiber layer (21, 22, 23, 24) and the second fiber layer (21, 22, 23, 24) and thereby fixates the first fiber layer (21, 22, 23, 24) to the second fiber layer (21, 22, 23, 24). 0000 The yarn (25) is made of or comprises a synthetic material, in particular a thermoplastic material, having at least one epoxy-compatible group and/or a group reactive towards epoxy.
Absstract of: US20260196903A1
0000 A fan motor silent at a high speed includes a casing, a rotor, a stator assembly and a bearing support. The stator assembly and the bearing support are sequentially and coaxially nested and fixed in the casing, a first bearing and a second bearing are coaxially mounted at two ends of the bearing support, inner iron cores are inlaid in the bearing support at intervals, two ends of the rotor are mounted on the first bearing and the second bearing, and a through air duct is arranged between an outer wall of the stator assembly and an inner wall of the casing. The first bearing and the second bearing and mounted integrally and coaxially, such that vibrations generated during high-speed rotation of the rotor are small, and force borne by the bearings is uniform, thus improving the silencing effect in operation of the motor.
Absstract of: US20260194038A1
A structure is proposed for traversing a fluid environment and reducing the interference of the fluid flow vector at a trailing edge of the structure. The structure comprises an elongate body having a root, a wingtip, a leading edge and the trailing edge. The structure has a plurality of flexible projections positioned along the trailing edge extending from a base to a tip. The plurality of flexible projections bend to conform to a curvature of the fluid flow vector at the trailing edge and have a first resonant frequency above an oscillating force generated by the fluid flow vector.
Absstract of: EP4549728A1
A method of operating a floating wind turbine (FWT) is provided. The floating wind turbine (100) comprises a nacelle (105) and a rotor (101) mounted to the nacelle (105), wherein the floating wind turbine (100) is exposed to waves during operation, the waves causing a wave induced motion of the floating wind turbine (100). The floating wind turbine (100) is configured to operate a protective function (30). The method comprises obtaining wave information (17) indicative of the waves to which the floating wind turbine (100) is exposed and modifying the operation of the protective function (30) using the obtained wave information (17) to reduce an influence of the wave induced motion of the floating wind turbine (100) on the protective function (30).
Absstract of: WO2025073873A1
A connecting system (100) for connecting a weathervaning floating offshore support structure (200) of a wind turbine (201) to a pre-laid mooring system (300), the connecting system (100) comprising: - a turret element (1) comprising: a base (2) for being solidly connected to the pre-laid mooring system (300); a support element (3) comprising a switchgear (31) connectable to one or more submarine cables (400) and connectable to receive a power generated by the wind turbine (201); a columnar body (4) extending from the base (2) to the support element (3), and comprising an inner passage (41); and a bearing system (5) configured to rotatably connect the turret element (1) to the weathervaning floating offshore support structure (200); and - a slip-ring connector (6) comprising a first connecting part (61) for receiving the power generated by the wind turbine (201), and a second connecting part (62) cable-connectable to the switchgear (31).
Absstract of: WO2025045324A1
A wind turbine (1) comprising a tower (2), a nacelle (3), and at least three wind turbine blades (5) is disclosed The wind turbine (1) further comprises blade connecting tension members (8) extending between a connection point (9) at one wind turbine blade (5) and a connection point (9) at a neighbouring wind turbine blade (5). Each blade connecting tension member (8) comprises a plurality of first sections (12) having a first cross sectional diameter and a plurality of second sections (13) having a second cross sectional diameter, where the first cross sectional diameter is smaller than the second cross sectional diameter. The first sections (12) and the second sections (13) are arranged alternatingly along a length direction of the blade connecting tension member (8). This reduces the noise generated during operation of the wind turbine (1).
Absstract of: WO2025045325A1
A wind turbine (1) comprising a tower (2), a nacelle, a hub (4), and at least three wind turbine blades (5) is disclosed The wind turbine (1) further comprises blade connecting tension members (8) extending between a connection point (9) at one wind turbine blade (5) and a connection point (9) at a neighbouring wind turbine blade (5). Each blade connecting tension member (8) comprises a tension member core (10), and an outer layer (11) arranged circumferentially with respect to the tension member core (10), where the outer layer (11) is made at least partly from a porous material. This reduces the noise generated during operation of the wind turbine (1).
Absstract of: EP4772849A1
Bolted flange joint sealing and monitoring apparatus is disclosed for a bolted flange joint comprising two flanges abutting one another at an interface, each flange having a series of holes therein, the holes of the two flanges of the joint aligned and receiving a bolt therein, and the abutting flanges providing an inner surface and an outer surface. The sealing and monitoring apparatus provides a seal on the inner surface of the interface. The sealing and monitoring apparatus includes: a first, frangible, sealant applied to the interface on the inner surface; a first layer of sheet material overlying the first sealant and adapted to provide an air space; a second layer of sheet material overlying the first layer of sheet material; a second sealant overlying the second layer such that the air space is air tight; a vacuum source in fluid communication with the air space; and vacuum monitoring means to monitor the status of a vacuum created in the air space.
Absstract of: NL2035724B1
_ 38 _ Hoisting arrangement including an upper carrier (32), a lower carrier (34), hoisting lines (38) and a line reconfiguration member (58). The upper carrier (32) is attachable or forms part of a jib (24) or boom (22) of a crane (16), the lower carrier (34) is selectively connectable (37) to a load (36) and is jointly suspended from the upper carrier, and the lines (38) interconnect corresponding pairs of upper and lower line connections on the upper and lower carriers, respectively. The line reconfiguration member is repositionable between the upper and lower carriers to change an operational configuration between a first mode wherein the 10 lines are independently extendable and retractable in oblique directions to operate as positioning mechanism with at least four degrees of freedom, and a second mode wherein the lines extend predominantly parallel and are jointly extendable and retractable in vertical direction to operate as heavy load hoisting mechanism. Fig. 1b
Absstract of: EP4516491A1
0001 Method for arranging a shell section (20, 35, 53), particularly a half shell section, on a blade mold (22) for manufacturing a blade or a half shell of a blade of a wind turbine, wherein the method comprises the steps: - providing several preform elements (21, 36, 51), each comprising a stack of layers of fiber mats fixated to each other, - arranging the preform elements (21, 36, 51) on supporting elements (8) of a frame (2, 50) of an assembly rack (1) and adhering the preform elements (21, 36, 51) with each other to constitute the shell section (20, 35, 53), - gripping the shell section (20, 35, 53) to the frame (2, 50) by gripper elements (17) of the assembly rack (1), - turning the frame (2, 50) and the shell section (20, 35, 53) upside down by at least one swivel joint (26) which rotatably connects the frame (2, 50) with a stand (3) of the assembly rack (1), - lifting the shell section (20, 35, 53) and placing it on the blade mold (22), wherein the frame (2, 50) being disconnected from the stand (3) is used as a lifting yoke.
Absstract of: EP4772740A1
Die Erfindung betrifft ein Befestigungssystem für ein Befestigen eines Antriebsstrangs einer Windkraftanlage (10) an einer Gondel (20) der Windkraftanlage (10). Das Befestigungssystem weist ein Rotorlagergehäuse (40), ein stationäres Bauteil und ein erstes Lager (18) auf. Das erste Lager (18) ist zum drehbaren Lagern einer Rotorwelle (16) des Antriebsstrangs in dem Rotorlagergehäuse (40) befestigt. Das Rotorlagergehäuse (40) ist weiterhin zum Befestigen an einem Maschinenbett (42) der Gondel (20) ausgebildet. Das Befestigungssystem ist zur Fixierung der Rotorwelle (16) an dem stationären Bauteil für eine Demontage des ersten Lagers (18) ausgebildet. Außerdem betrifft die Erfindung eine Windkraftanlage (10) und ein Verfahren zur Demontage eines ersten Lagers (18) von einem Rotorlagergehäuse (40) einer Windkraftanlage (10).
Absstract of: WO2025048624A1
The invention relates to systems for raising, positioning and lowering offshore wind turbine maintenance tools and maintenance robots. The claimed system comprising a carrying rope; a carrying rope winch; three balancing ropes; three balancing means; three balancing ropes' winches; three balancing ropes' pulleys or blocks, fixed to the balancing means. The carrying rope is adapted to be operably connected to the carrying rope winch and the central rod of the maintenance device. The balancing ropes are adapted to be operably put through the balancing ropes' pulleys or blocks; wherein the ends one of the balancing ropes are adapted to be operably connected to the balancing ropes' winches and the balancing rods. The pulleys or blocks are configured to be responsive to the directional pull of the balancing rope, such that it moves in alignment with the direction from which the balancing rope exerts its pull. The balancing means with balancing ropes' pulleys or blocks are adapted to be submersible. According to an embodiment, the claimed system may further comprise a carrying rope pulley or a block, adapted to be suspended from the wind turbine nacelle, or a wind turbine hub. In this embodiment the carrying rope needs to be operably put through the carrying rope pulley or a block.
Absstract of: CN224469456U
本实用新型公开了一种变径工装螺栓，其包括：连接螺杆、芯轴、螺栓套筒、导向锁紧螺母、多个调节滑块和弹簧。芯轴的中部为光杆，光杆上间隔设置有多个锥台；螺栓套筒的中部沿周向均匀开设有多个长条孔；调节滑块的外侧面为圆弧面，内侧面间隔设置有多个楔块；芯轴位于螺栓套筒内且两端与螺栓套筒的两端螺接，芯轴的一端延伸穿出螺栓套筒的一端，并与导向锁紧螺母螺接；连接螺杆的一端插入螺栓套筒内，并与螺栓套筒的另一端螺接；多个调节滑块分别同轴安装在螺栓套筒的多个长条孔内，且轴向保持相对固定，楔块与锥台配合，弹簧与螺栓套筒的内壁固接。采用本实用新型可以根据需求调整变径工装螺栓的外径，提升通用性、装配对中精度及快速拆卸能力。
Nº publicación: CN122345118A 07/07/2026
Applicant:
欧普照明股份有限公司苏州欧普照明有限公司
Absstract of: CN114704491A
The invention provides a fan blade structure and a fan lamp, the fan blade structure comprises a front edge located on a windward side, a rear edge located on a leeward side and a side edge connected between the front edge and the rear edge, the front edge, the rear edge and the side edge are all curved edges, one end, close to the side edge, of the fan blade structure is defined as a fan blade end part, and one end, away from the side edge, of the fan blade structure is defined as a fan blade root part; the curvature radius of the front edge is gradually increased from the root part of the fan blade to the end part of the fan blade; the curvature radius of the rear edge is firstly increased and then reduced from the root part of the fan blade to the end part of the fan blade; the side edge is provided with a first end connected with the front edge and a second end connected with the rear edge, and the curvature radius of the side edge is firstly reduced and then increased from the first end to the second end, so that a smooth arc-shaped structure is formed at the joint of the front edge and the rear edge. Compared with the prior art, the air blowing effect of the fan blade structure is improved.
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