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522
results.
Updated on
01/10/2025 [07:14:00]
Results 175 to 200 of 522
Absstract of: WO2025196353A1
The present invention relates to an aerogenerator formed by a rotor (2) with its corresponding rotary shaft (1), associated with an alternator or electric generator, and a casing (5) housing the rotor (2), in the form of a wind tunnel, which is open at one end and has a cross section matching the dimensions in elevation of the rotor, wherein two sections are defined in the opening of the casing (5) that defines the air inlet (7), said sections being located above and below the rotary shaft (1) of the rotor and comprising an open upper section and a lower section provided with curved fins (9) for redirecting the wind flow upwards, a C-shaped deflector (10) also being provided, having a diameter matching the diameter of the rotor. The rotor (2) includes blades (3) with a rectangular laminar configuration. The casing (5) includes side deflectors (6). The alternator of the generator is connected to energy storage batteries and, via the corresponding control electronics, to the power supply grid. The air inlet (7) includes a protective grating.
Absstract of: WO2025196340A1
The present invention relates to a system for reducing aerodynamic drag and charging batteries of wheeled vehicles, which consists in using energy from the air to drive turbines that operate electrical generators which recharge the batteries; and in reducing aerodynamic drag, which makes the vehicle more aerodynamic, channelling the air through the inside of the vehicle from the front area to the rear area, partially eliminating turbulence caused by the wheels, implementing pads at the front and rear areas, which provides an aerodynamic profile, in addition to pad-filling devices, different types of air and water flow deflectors around the wheels, an emergency braking device and a microprocessor (or the processor of the vehicle) for controlling the operation of the system as a whole.
Absstract of: US2025297595A1
A first aspect of the invention provides a pitch controlled wind turbine comprising a tower, a nacelle mounted on the tower, a hub mounted rotatably on the nacelle, and at least three wind turbine blades, wherein each wind turbine blade extends between a root end connected to the hub via a pitch mechanism, and a tip end, wherein each wind turbine blade comprises: a first blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a first spar cap portion, the first blade portion further including a first blade portion end surface at one end of the first blade portion; a second blade portion having a shell that defines a suction side, a pressure side, a leading edge, a trailing edge, and a second spar cap portion, the second blade portion further including a second blade portion end surface at one end of the second blade portion, wherein the first blade portion and the second blade portion are configured to be coupled together at the first and second blade portion end surfaces; and a connection joint for coupling the first and second blade portions together, wherein the connection joint includes a connector for connecting to the first blade portion end surface and to the second blade portion end surface, and wherein the pitch controlled wind turbine further comprises at least three blade connecting members, each wind turbine blade comprising a first connection point and a second connection point, wherein each blade connecting
Absstract of: CN120239783A
A system and method for controlling a wind turbine is provided. A controller of a wind turbine detects a transient grid event and generates a first torque command via a driveline damper control module. The first torque command is configured to damp torsional vibrations caused by a transient grid event. The controller also generates a second torque command via a driveline damper control module of the controller in response to the transient grid event. The second torque command is configured to minimize an error magnitude of power supplied to the power grid during a recovery phase immediately after the transient grid event. The controller further drives the generator to provide a first torque for a first period of time based on the first torque command and to provide a second torque for a second period of time based on the second torque command.
Absstract of: WO2024104536A1
The present disclosure relates to a transporter for supporting a tip end of a wind turbine blade. The transporter features a self-levelling mechanism which allows for rotation of the turbine blade about a horizontal axis during transportation to better account for rotational forces which may act on a turbine blade. A biasing arrangement is also provided to return the blade to a neutral position when the external forces causing the table part to rotate are removed.
Absstract of: EP4621222A1
Verfahren zur Bereitstellung von Winddaten an einem Vorhersageort, umfassend: Bereitstellen (S101) von Trainingsdatensätzen für mehrere Aufstellorte für Windenergieanlagen, insbesondere umfassend Trainingsdatensätze aus öffentlichen Datenbanken, Vorbereiten (S103) der Trainingsdatensätze für maschinelles Lernen durch Transformieren der Trainingsdatensätze in Features, Trainieren (S105) eines Prädiktionsmodells zur Vorhersage mindestens einer statistischen Windbedingung an einem Vorhersageort auf Grundlage der Features, Erlangen (S107) eines Ziel-Vorhersageortes, insbesondere aus einem CRM System, Vorhersagen (S109) der mindestens einen statistischen Windbedingung am Ziel-Vorhersageort unter Verwendung des trainierten Prädiktionsmodells und Bereitstellen (S111) von Winddaten umfassend die vorhergesagte mindestens eine statistische Windbedingung, insbesondere Bereitstellen der Winddaten für das CRM System.
Absstract of: EP4621221A1
Embodiments of the present application provide a transmission system and a wind turbine, the transmission system is used for the wind turbine, and the transmission system includes: a transmission section including a first transmission shaft and a second transmission shaft that are distributed along a first direction and fixedly connected to each other; a fixation section fitting around an outside of at least part of the transmission section, in which the fixation section includes a bearing base and a gear box body that are distributed along the first direction and fixedly connected to each other; and a bearing provided between the transmission section and the fixation section, in which the transmission section is rotatable relatively to the fixation section through the bearing. The transmission system according to the embodiments of the present application has advantages, for example, stable transmission ratio, simple structure, and easy maintenance.
Absstract of: AU2023413323A1
A method is provided for conveying brine solution in a compressed gas energy storage system. The method includes: measuring a present temperature of a layer of brine solution stored in an accumulator of the compressed gas energy storage system, the accumulator may include an accumulator interior at least partially encapsulated by a salt layer; heating, using a heater subsystem, a brine solution stored in a brine solution source/sink to a temperature equal to or greater than the present temperature of the layer of brine solution in the accumulator; and after determining the brine solution stored in the brine solution source/sink is at the temperature equal to or greater than the present temperature of the layer of brine solution in the accumulator, conveying the brine solution stored in the brine solution source/sink to the accumulator.
Absstract of: EP4621224A1
Energy storage, comprising a system for collecting and converting gravitational energy, is characterized in that the working space of a weight (3) is a tube (2), filled with a heat carrier and being a part of a structure of a borehole heat exchanger installed in a borehole (1).
Absstract of: AU2023383069A1
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: EP4621216A1
The present invention relates to a power conversion device connected to a moving body. In order to implement this, the present invention comprises: a moving body having a predetermined weight so as to be movable in various directions by means of the force of external fluid; a support housing for supporting the moving body; a connector for connecting the support housing and the moving body; hinge shafts formed at a plurality of joint portions provided at the connector, so as to enable joint motion; and a power conversion part provided at the hinge shaft so as to convert motive power of the moving body.
Absstract of: EP4621223A1
A control method for a device for moving on a windmill blade according to the present invention involves measuring the cross-sectional shape of the windmill blade, and controlling the device such that the device behaves according to the cross-sectional shape. The control of the device may include controlling the device such that the device repairs a damaged portion of the windmill blade in accordance with the cross-sectional shape; and the control of the device may include controlling the device such that the device controls the attitude of the device in accordance with the cross-sectional shape.
Absstract of: EP4621253A1
A segment 10 is an injection molded product of a resin material integrally comprising: a plurality of pillar portions 13 arranged spaced apart in a circumferential direction; a pair of arcuate portions 11 and 12 arranged spaced apart in an axial direction and coupled to each other through intermediation of the plurality of pillar portions 13; and claw portions 15 and 16 provided to the pillar portion 13, and a circumferential angle θ corresponding to a circumferential dimension of the segment 10 is 5° or more and 30° or less.
Absstract of: EP4621214A1
A state detection apparatus (10) includes an analyzer (12) that detects a state of a detection target. The analyzer (12) acquires acoustic information corresponding to sound generated at the detection target, detects the state of the detection target based on a pattern included in an image representing the time variation of a frequency component of the acoustic information, and outputs a result of detecting the state of the detection target.
Absstract of: EP4621220A1
Transition piece (16) comprising a hollow structure (32), and pretension members (36) within the structure. The structure defines an interior volume (34) and has a top part (40) for supporting a wind turbine. The structure comprises ultra-high performance fiber-reinforced concrete and forming feet (42, 44, 46) forming supports intended to rest on a jacket. The feet comprise an upper wall (54), the structure having side walls (56) extending between the top part and a base (58) defining the supports. The side walls extend between the upper wall of two successive feet, each of the feet having two lateral walls in a horizontal transverse direction respectively formed by two successive side walls. The interior volume is delimited by the top part, the upper wall of each of the feet, the side walls and the base.
Absstract of: EP4620885A1
Wind turbine generator lifting device (1) for conveying a wind turbine generator (2), wherein the wind turbine generator (2) has a hub face (4) to which a blade hub is attachable to the generator (2) and a nacelle face (3) to which the generator (2) is attachable to a nacelle (17), the device (1) comprising: a frame (5) having a crane coupling (6) for hoisting by a crane; a first coupling (8) connectable to the hub face (4) for mounting the generator (2) onto the frame (5) in a first mounted configuration; and a second coupling (9) connectable to the nacelle face (3) for mounting the generator (2) onto the frame (5) in a second mounted configuration.
Absstract of: EP4621219A1
Damper apparatus (6) for damping the engagement between parts (2,3) of a wind turbine (1) during an installation operation in which the parts are connected together. The apparatus (6) comprises an inflatable body (8) configured to be mounted at an interface (7) between the two parts (2,3). A control means (9) comprising at least one valve (10) for controlling the deflation of the inflatable body (8) as the parts (2,3) are moved together during the installation operation for regulating the engagement therebetween.
Absstract of: EP4621166A1
The present invention relates to a method for manufacturing a tower comprising at least two annular concrete sections. The method comprises the following steps:- Providing a casting mold, wherein the inner surface of the casting mold has a first arc-shaped surface and a second arc-shaped surface facing the first arc-shaped surface,- Machining the first arc-shaped surface and the second arc-shaped surface of the casting mold,- Horizontally casting a segment of a cylindrical or frustoconical tube by filling the casting mold with concrete,- Curing the concrete, and- Stacking at least two annular concrete sections (8) upon each other.In the method, at least one of the annular concrete sections is composed of at least two of the horizontally cast segments of a cylindrical or frustoconical tube. Further, the at least one annular concrete section abuts the other annular concrete section with its first arc-shaped surfaces or its second arc-shaped surfaces, thereby forming a dry joint. The present invention further describes a tower that is obtainable by this manufacturing method. Moreover, the present invention relates to a casting mold defining a cavity in the shape of a segment of a cylindrical or frustoconical tube, the shape corresponding to a longitudinally cut segment of a cylindrical or frustoconical tube, wherein the casting mold is segmented such that its first arc-shaped surface and/or its second arc-shaped surface is separable into at least two parts.
Absstract of: EP4621373A1
A computer implemented method, a computer program product, a sensor node, a sensor device (x1), and a system (x300) for monitoring, diagnostics and/or prognostics of one or more airfoils (x100, 202), in particular wind turbine blades (x202), airplane wings and other airfoil-like structures. The method comprises a computing device (x56, 70) receiving sensor signals - from one or more sensor devices (x1), which include one or more sensor nodes (x10) arranged on the one or more airfoils (x100, 202) - and processing the sensor signals for monitoring the one or more airfoils (x100, 202). The sensor signals received by the computing device (x56, 70) comprise a strain signal, a vibration signal, an acoustic signal, and an aerodynamic pressure signal.
Absstract of: EP4621215A1
Es ist ein Pitchrohr (26) zur Durchleitung von Versorgungsleitungen einer Blatteinstellwinkelregelung für eine Windkraftanlage (10) vorgesehen mit einem ersten Rohrstück (48), einem zweiten Rohrstück (50) und einer zwischen dem ersten Rohrstück (48) und den zweiten Rohrstück (50) aufgenommenen und in radialer Richtung zumindest teilweise in einem gemeinsamen Radialbereich mit dem ersten Rohrstück (48) und mit dem zweiten Rohrstück (50) positionierten Dichthülse (46) zur Ausbildung einer Dichtfläche (44) für eine berührende Wellendichtung. Durch die Reduzierung der Dichtfunktionalität des mehrteiligen Pitchrohrs (26) auf die Dichthülse (48) ist auch bei beengten Bauraumverhältnissen kostengünstig eine gute Abdichtung des Pitchrohrs (26) in der Windkraftanlage (10) ermöglicht.
Absstract of: EP4621217A1
A method for operating a wind turbine (1) operable in various operating conditions is specified, each operating condition being characterized by at least one performance parameter value, a turbulence indicator safety function being associated with the wind turbine (1) and defining maximum allowable turbulence indicator (TI<sub>max</sub>) values depending on the operating condition and a wind speed, wherein the method comprises at least the following steps:A) determining the current operating condition,B) estimating the current wind speed,C) evaluating a current TI<sub>max</sub> value linked to the current operating condition and the current wind speed,D) determining a current turbulence indicator estimation (TI<sub>est</sub>) value representative of a current wind turbulence,E) comparing the current TI<sub>est</sub> value to the current TI<sub>max</sub> value, wherein, in case the current TI<sub>est</sub> value exceeds the current TI<sub>max</sub> value, the current operating condition is adapted to a safe operating condition, associated with a TI<sub>max</sub> value that is equal to or exceeds the current TI<sub>est</sub> value.Furthermore, a control device (10) for operating a wind turbine (1), a computer-implemented method (30) and a computer program product (40) are specified.
Absstract of: WO2024104541A1
The present application relates to an automated machining tool (200) for removing material from a surface of a wind turbine blade (20). The tool (200) has a tool head (206) having electrically conductive material. When the tool (200) detects electrical contact between the electrically conductive material and an electrically conductive part (104) beneath a surface of the blade (20), while the machining tool (200) is performing a machining operation on the wind turbine blade (200) using the tool head (206), the tool (200) automatically retracts the tool head (206) away from the wind turbine blade (20).
Absstract of: CN120188367A
A wind turbine generator (100a-e) comprising a generator (102) and means (104a-e) for electrical power conversion wherein the means (104a-e) comprise: a first power converter (106) for converting AC power from the generator (102) to DC power; a second power converter (108) for converting the DC power from the first power converter (106) into AC power to be provided to a power grid (110); a DC link (112) comprising a positive rail (114) and a negative rail (116) connecting the first power converter (106) to the second power converter (118); and an energy storage device (118a-d) comprising a plurality of supercapacitors (120) connected or connectable to the DC link (112) so as to support operation of one or more of the first and second power converters (106, 108). The energy storage device (118a-d) comprises one or more DC-to-DC converters (122) for connecting one or more of the ultracapacitors (122) of the energy storage device (118a-d) to the DC link (112).
Absstract of: CN120225342A
The fabric (20) comprises: i) a first fibrous layer (21, 22, 23, 24) and a second fibrous layer (21, 22, 23, 24), wherein the first fibrous layer (21, 22, 23, 24) and the second fibrous layer (21, 22, 23, 24) are superimposed on one another; and ii) a yarn (25) wherein the yarn (25) extends through the first fibrous layer (21, 22, 23, 24) and the second fibrous layer (21, 22, 23, 24), thereby securing the first fibrous layer (21, 22, 23, 24) to the second fibrous layer (21, 22, 23, 24). The yarn (25) is made of a synthetic material or comprises a synthetic material, in particular a thermoplastic material, having at least one epoxy-compatible group and/or epoxy-reactive group.
Nº publicación: EP4619639A1 24/09/2025
Applicant:
VESTAS WIND SYS AS [DK]
VESTAS WIND SYSTEMS A/S
Absstract of: CN120112718A
The present disclosure relates to a transport vehicle for supporting a tip of a wind turbine blade, the transport vehicle being configured to address bending and torsional stresses that may be applied to the blade during transport by allowing the turbine blade to rotate about a first horizontal axis and a second horizontal axis.
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