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473
resultados
Última actualización
07/08/2025 [07:57:00]
Resumen de: DE102024103036A1
Die Erfindung betrifft eine Lagervorrichtung (1) für eine Windenergieanlage (2) zum hydrodynamischen Lagern einer Rotorwelle (3) mit einer Rotorachse (4), aufweisend zumindest die folgenden Komponenten:- eine Lagerfläche (5) zum hydrodynamischen Lagern einer korrespondierenden Gegenlauffläche (6) über einen dazwischen im Betrieb mit einem Film von Lageröl (7) belegten Lagerspalt (8);- ein Lagergehäuse (9), in welchem die Lagerfläche (5) und die korrespondierende Gegenlauffläche (6) im Betrieb im Erdschwerefeld (10) unterhalb der Rotorachse (4) einer Rotorwelle (3) angeordnet sind;- einen Ölsumpf (11) in dem Lagergehäuse (9);- an dem Ölsumpf (11) einen Ölauslass (12) für Lageröl (7) im Erdschwerefeld (10) unterhalb des Lagerspalts (8). Die Lagervorrichtung (1) ist vor allem dadurch gekennzeichnet, dass weiterhin zum Steuern eines Ausströmens von Lageröl (7) aus dem Ölsumpf (11) in dem Ölauslass (12) ein Stromventil (13) vorgesehen ist.Mit der hier vorgeschlagenen Lagervorrichtung ist ein schonendes Anlaufen einer hydrodynamisch gelagerten Rotorwelle ermöglicht.
Resumen de: DE102024103277A1
Eine Adaptervorrichtung (1) zur Verbindung eines unteren, ringförmigen Betonturmabschnitts (2) mit einem oberen, ringförmigen Stahlturmabschnitt (3), weist ein Adapterstück (5) mit einem ringförmigen Befestigungsflansch (7) aus Stahl zum Verbinden mit dem Stahlturmabschnitt (3) und ein Übergangsstück (8) auf, das ein Betonelement (9), eine Auflagefläche (10), auf der das Adapterstück (5) angeordnet ist, und eine Anlagefläche (11), mit der das Übergangsstück (8) auf dem Betonturmabschnitt (2) anordenbar ist, umfasst. Das Übergangsstück (8) und/oder das Adapterstück (5) weist eine Einrichtung zur Lastableitung auf. Das Übergangsstück (8) weist im Bereich der Auflagefläche (10) einen in Radialrichtung nach außen und/oder innen weisenden Überstand (12, 14) auf und/oder das Übergangsstück (8) weist zumindest im Bereich der Auflagefläche (10) einen größeren Außendurchmesser (13) als das Adapterstück (5) auf und/oder das Übergangsstück (8) weist einen die Auflagefläche (10) bildenden Stahlaufsatz (15) auf. Das Adapterstück (5) weist an seinem unteren Ende (16) an seiner Innenseite (20) eine Aussparung (18) auf und/oder das Adapterstück (5) und das Übergangsstück (8) bilden im Bereich der Auflagefläche (10) eine in radialer Richtung wirkende Verzahnung (19).
Resumen de: DE102024103038A1
Die Erfindung betrifft eine Umwälzpumpe (1) für eine Lagervorrichtung (2) für eine Rotorwelle (3) mit einer ersten Rotationsachse (4) einer Windenergieanlage (5), aufweisend zumindest die folgenden Komponenten:- eine Pumpeinrichtung (6) zum Fördern von Lageröl; und- eine Pumpwelle (7) mit einer zweiten Rotationsachse (8) für die Pumpeinrichtung (6) zum Bereitstellen eines Drehmoments für das Fördern von Lageröl. Die Umwälzpumpe (1) ist vor allem dadurch gekennzeichnet, dass im Einsatz die Pumpwelle (7) drehmomentübertragend verbunden ist mit jener Rotorwelle (3), für deren Lagervorrichtung (2) Lageröl zu fördern ist.Mit der hier vorgeschlagenen Umwälzpumpe für eine Windenergieanlage ist mit einer wartungsfreien und wenig komplexen Einrichtung eine hohe Sicherheit gegen einen Lagerschaden infolge eines elektrischen Ausfalls erzielt.
Resumen de: DE102024103037A1
Die Erfindung betrifft eine Lagervorrichtung (1) für eine Windenergieanlage (2) zum hydrodynamischen Lagern einer Rotorwelle (3) mit einer Rotorachse (4), aufweisend zumindest die folgenden Komponenten:- eine Lagerfläche (5) zum hydrodynamischen Lagern einer korrespondierenden Gegenlauffläche (6) über einen dazwischen im Betrieb mit einem Film von Lageröl (7) belegten Lagerspalt (8);- eine Ölkammer (9) mit einer Kammerwandung (10) zum Aufnehmen von Lageröl (7) für den Lagerspalt (8); und- eine Ölzuführung (11) zwischen der Ölkammer (9) und der Lagerfläche (5). Die Lagervorrichtung (1) ist vor allem dadurch gekennzeichnet, dass eine Heizvorrichtung (12) bei der Ölkammer (9) vorgesehen ist.Mit der hier vorgeschlagenen Lagervorrichtung ist ein reibungsarmes Anlaufen einer Rotorwelle ermöglicht, wobei zugleich der konstruktive Aufwand gering ist.
Resumen de: WO2024072228A1
A cable head ring (30) for use in connecting a wind turbine tower (10) to a concrete foundation (20) comprises an annular plate (32) for connecting to the upper end of the concrete foundation (20), an inner tubular web (36) extending axially from the annular plate (32) and an outer tubular web (38) extending axially from the annular plate (32), wherein an annular gap (40) is formed between the inner and outer tubular webs (36, 38) for receiving a tubular wind turbine component. The annular plate (32) comprises a plurality of passages (42) extending axially therethrough for receiving tensioning tendons (24) of the concrete foundation (20) when mounted thereon. The inner and outer tubular webs (36, 38) include holes (44, 46) extending radially therethrough. The positions of the holes (44) in the inner tubular web (36) correspond to the positions of the holes (46) in the outer tubular web (38) such that a fastener (54) can extend radially through a hole (44) in the inner tubular web (36 and a hole (46) in the outer tubular web (38) for securing a tubular wind turbine component within the annular gap (40).
Resumen de: WO2024069409A1
The present invention provide a system and method for generating electricity using a helicoid vertical axis wind turbine. The system comprises a rotor designed for rotation from airflow; a plurality of helicoid blades having an airplane wing profile to generate a lifting force from said airflow, enabling rotation of the rotor; a generator mechanically connected to the rotor to produce electricity upon the rotor's rotation; a controller connected to said generator to process the generated electricity; a battery connected to the controller for storing the processed electricity; and an inverter connected to the battery for converting and supplying the stored electricity. The invention provides more versatile, efficient, and reliable system and method for generating electricity via a helicoid vertical axis wind turbine.
Resumen de: EP4596812A1
Hybrid tower with prefabricated self-supporting elements and assembly method, suitable for supporting wind turbines, with a lower section made up of an even number of self-supporting voussoirs, prefabricated totally or partially of reinforced concrete and/or prestressed as two different conjugate types, inner and outer, located adjacent to each other alternately and joined to each other by superimposed flat fins with interspersed intermediate joints, vertically arranged on both sides and throughout the height of the self-supporting voussoirs, the body of the self-supporting voussoirs having a trapezoidal section that increases linearly from the top to the bottom, forming a lower end of each self-supporting voussoir substantially wider than the upper end.Its main advantage is a great structural rigidity by having a trapezoidal section of the voussoirs, but with little weight, making them easy to transport, and eliminating supports for vertical maintenance during assembly, simplifying the assembly process.
Resumen de: WO2024065038A1
A rotor stand for a wind turbine rotor includes: an interface plate configured to secure thereto a rotor hub of the wind turbine rotor; a plurality of legs connected to and extending radially outward from the interface plate, at least one of the legs radially extendible to permit changing a length of the extendible leg; and, a plurality of support shoes connected to the plurality of legs, the support shoes configured to support the rotor stand on a horizontal surface with the interface plate oriented substantially parallel to the horizontal surface.
Resumen de: EP4596873A1
There is described a method of repairing a joint connection of a wind turbine blade root. The method comprises identifying a repair site at the joint connection, cutting a groove through a laminate of the wind turbine blade and into the joint connection at the repair site and inserting an insert into the groove, whereby the insert contacts the laminate and the joint connection.
Resumen de: EP4597804A1
Es wird ein Verfahren zur Temperaturüberwachung eines elektrischen Generators (200) einer Windenergieanlage (100) vorgesehen, wobei der Generator (200) einen Stator (220), einen Rotor (210) und eine Temperaturüberwachungseinheit (300) aufweist. Die Temperaturüberwachungseinheit weist ein passives Steuerelement (310) an dem Rotor (210) und eine Empfangseinheit (320) an dem Stator (220) auf. Eine Temperaturänderung am Rotor (210) führt zu einer mechanischen oder optischen Änderung des passiven Steuerelementes (310). Die mechanische oder optische Änderung des passiven Steuerelementes (310) wird durch die Empfangseinheit (320) an dem Stator (220) erfasst.
Resumen de: EP4597524A1
A submarine power cable system comprising: a wet design power cable section (1a) comprising a first conductor section, a first insulation system section arranged around the first conductor section, and a screen layer formed by one or more of helically laid elongated metal elements arranged around the first insulation system section, and a static power cable section (1b), which is a moisture buffer zone, comprising a second conductor section connected to the first conductor section and a second insulation system section connected to the first insulation system section by means of a flexible joint (1c), the static power cable section (1b) further comprising a metallic radial water-blocking sheath arranged around the second insulation system section, wherein the metallic radial water-blocking sheath is electrically connected to the screen layer, and wherein, from the flexible joint (1c) to a far end of the static power cable section (1b) the submarine power cable system has an axial length in a range of 1-1000 m, the far end being arranged to be connected to or being connected to a subsea electric component.
Resumen de: EP4596867A1
It is described an apparatus (10) for applying a tape (11) to a blade (6) of a wind turbine (1), wherein the tape (6) comprising a plurality of vortex generators (VG) or indicating locations for attaching a plurality of vortex generators (VG) on the blade (6). The apparatus (10) is configured to be movable on a floor (12) in a moving path in accordance with a longitudinal direction of the blade (6) and comprises a portal (13) having a tape application tool (14) configured to apply the tape (11) to the blade (6), the tape application tool (14) being movable along the portal (13) in a vertical direction; and a distance detecting device (15), preferably a laser distance measuring device, being configured to detect an actual distance between the tape application tool (14) and the floor (12), preferably being configured to detect reference markings (16) arranged at the floor (12) or at a blade carrying equipment such as a root- and tip turning device along the moving path of the apparatus (10) .
Resumen de: EP4597799A1
The present invention describes a generator (100) for a wind turbine, comprising a rotor device (101) rotatable around a rotary axis (107), a stator device (102) comprising a winding arrangement (103),wherein between an axial end of the stator device (102) and the rotor device (101) a cooling volume is formed, and an air guiding arrangement (120) arranged within the cooling volume for separating the cooling volume into a radial inner section (112) and a radial outer section (113). The air guiding arrangement (120) forms an air inlet opening (104), such that cooling air (111) is flowable from the radial inner section (112) against the air guiding arrangement (120) and through the air inlet opening (104) into the radial outer section (113), wherein the winding arrangement (103) extends from the axial end of the stator into the radial outer section (113).
Resumen de: WO2024095135A1
A system for opening a roof panel of a nacelle of a wind turbine comprises a bracket arm mountable in the nacelle beneath the roof panel. The bracket arm is pivotally connectable to a sidewall of the nacelle inside the nacelle and mountable underneath the roof panel to a portion of the roof panel. The system further comprises a lifting device mountable in the nacelle, the lifting device operable when connected to the roof panel to move the roof panel vertically and horizontally to move the roof panel into a vertical orientation by the sidewall of the nacelle outside the nacelle.
Resumen de: EP4596389A1
The present invention relates to a device for supporting an offshore wind turbine tower. The device comprises a first body (1), a support body (3) attached to the first body (1), a second body (2) and a plurality of legs (4) attached to the second body (2). The support body (3) has a cylindrical interior and is configured to provide support for and connection of a wind turbine tower (10). The first body (1) comprises a central portion (5) connected to the support body (3) and a plurality of hollow arms (6), connected with the central portion (5). Each hollow arm (6) comprises a through-hole (7) configured to allow a leg (4) to pass through the through-hole. The first body (1) has a volume and a weight configured to provide, when empty, a buoyancy of at least 20% of the weight of the entire device, the weight of the first body (1) being less than 8% of the weight of the entire device. The legs (4) and/or the first body (1) have a locking system configured to lock the relative position between the legs and the first body.
Resumen de: EP4596792A2
Installation vessel for installation of a monopile to support an offshore wind turbine. The vessel has a pile holding device with a pile holder and a support assembly which is configured to move the pile holder in a horizontal plane relative to the hull. A monitoring system is configured to, in a gripping phase wherein the monopile is suspended from a crane and is to be gripped by the pile holder, monitor the suspended monopile in the horizontal plane relative to the pile holder. The system provides signals representative of the position and movement of the monopile relative to the pile holder to the motion control unit of the support assembly.
Resumen de: EP4596872A2
A blade pitch controller for a wind turbine comprises a nominal control system and a tower feedback loop. The tower feedback loop comprises a filtering system. The filtering system is arranged to control wind turbine blade pitch so as to provide additional effective stiffness to the wind turbine in response to motion of the wind turbine which is above a filter frequency of the filtering system.
Resumen de: WO2024067935A1
The present invention relates to a method for operating a wind turbine during an undervoltage event where a grid voltage drops to an undervoltage value, wherein the wind turbine comprises a generator being operatively connected to a power grid, an auxiliary system comprising one or more auxiliary electrical components and one or more auxiliary electrical loads, an auxiliary transformer being operatively connected on a primary side to the generator and to the power grid, and being operatively connected on a secondary side to the auxiliary system, and a load controller being arranged to reduce one or more auxiliary electrical loads in the auxiliary system in response to a detected undervoltage event, the method comprising the steps of determining, using the load controller, that an undervoltage event has occurred, and reducing, using the load controller, one or more auxiliary electrical loads in the auxiliary system thereby preventing tripping of one or more auxiliary electrical components or tripping of the entire wind turbine. The present invention also relates to a wind turbine arranged to perform this method.
Resumen de: WO2024072209A1
A movable bolting tool comprises a toolhead 3 for manipulating nut and bolt assemblies 11 a-f, 12a-f and a trolley for moving the toolhead 3 along a circumference of a bolted flange assembly 10, which trolley comprises a frame 4 carrying a toolhead supporting assembly 1, 67, 9a, 9b for lifting the toolhead 3 from a manipulated nut and bolt assembly and, after circumferential movement, for engaging the toolhead 3 with a next to be manipulated nut and bolt assembly: wherein the toolhead supporting assembly 1, 67, 9a, 9b is arranged substantially parallel to the substantially vertical lifting direction of the toolhead 3, the toolhead 3 is connected to the toolhead supporting assembly with a pivotable connection 80 allowing rotation about multiple axes; and a toolhead rotation constraining device 95 is arranged at a distance from the pivotable connection 80, and configured to constrain the rotation.
Resumen de: CN120051631A
A robotic applicator device (40) for applying a protector (48) to a leading edge (30) of a wind turbine blade (20) includes a main frame (42), a drive (44) coupled to the main frame (42), and a plurality of stations (46) carried by the main frame (42), the plurality of stations configured to apply the protector (48) to the leading edge (30) of the wind turbine blade (20). The stations (46) include a dispensing station (50) configured to hold and dispense a material (64) forming the protector (48), an adhesion station (52) configured to apply an adhesive (66) onto an adhesion surface (68) and/or a leading edge (30) of the dispensed protector material (64), an application station (54) configured to place the adhesion surface (68) of the protector (48) onto the leading edge (30) of the wind turbine blade (20), and a curing station (56) configured to cure the adhesive (66) to bond the protector (48) to the leading edge (30). A method for applying a protector (48) to a leading edge (30) of a wind turbine blade (20) is also disclosed.
Resumen de: GB2637862A
An offshore wind turbine system is assembled using a platform (40, fig 7) or jack-up vessel, and a first base 32 anchored to the seafloor at a blade assembly offshore location. A buoyant tower 10 is attached to the first base. A crane (42, fig 7) provided on the platform or jack-up vessel is used to lift blades 36, which are then coupled to a turbine 30 held in a nacelle provided at the top of the buoyant tower. The buoyant tower, the nacelle, and the blades are detached from the first base. The buoyant tower, the nacelle, and the blades are towed (fig 8) to a wind farm and connected to a second base 12a, 12b, 12c provided in the wind farm. The buoyant tower, the nacelle, and the blades are further stabilized using mooring lines 14 spanning between the buoyant towers 10a, 10b, 10c and other bases provided in the wind farm. The first base and/or the second base include anti-rotation features (22, fig 2b & 3b).
Resumen de: AU2023350066A1
The present invention can be included in the technical field of wind turbine assembly systems and discloses a method of assembling a wind turbine of the present invention proposes an alternative to conventional cranes having a first lifting structure configured to withstand the load of at least one tower section or at least one wind turbine component, and at least one second lifting structure configured to perform the lifting of the first lifting structure with respect to the wind turbine tower. Additional objects of the invention are also a wind turbine assembly system and a method of assembling a wind farm.
Resumen de: AU2023354345A1
Rotor lifting yoke for lifting a three bladed rotor (6), said rotor lifting yoke comprising: a lifting structure (16), a first (34) and second flexible elongated element (36) arranged to be connected both to the lifting structure and to a root portion (104) of a first blade (10a) of the rotor, and a third (38) and fourth flexible elongated element (40) arranged to be connected both to the lifting structure and to a root portion of a second blade (10b) of the rotor. The rotor lifting yoke further comprises one or more length adjusting mechanisms (44, 46) which are arranged to adjust the effective length of the first and third and/or the second and fourth flexible elongated elements. The flexible elongated members are further arranged such that when said flexible elongated members are attached to the root portions of their respective blades, at least one point on the first and third and/or at least one point on the second and fourth flexible elongated elements is attached to their respective blades via a non-slip attachment. In this way, a rotor lifting yoke is provided which can rotate the rotor from a vertical to a horizontal position and back again in an easy and flexible manner just by adjusting the lengths of the flexible elongated members.
Resumen de: CN119947976A
A base assembly (120) configured to support an on-tower mounted crane (101) on a nacelle (200) of a wind turbine (300), the on-tower mounted crane comprising a base portion (102) and a boom (104), where the boom is rotatably disposed about a vertical axis relative to the base portion during normal operation of the on-tower mounted crane, the base assembly includes a base structure (122) adapted to be mounted to the nacelle and a support structure (124) configured to engage with and support the on-tower mounted crane in an upright position. A base portion of the on-tower mounted crane is attached to the support structure when the on-tower mounted crane is engaged with the base assembly. The support structure is movably coupled to the base structure and is adapted to be linearly displaced relative to the base structure in a direction substantially parallel to the longitudinal axis of the nacelle to enable the on-tower mounted crane to be disposed at a plurality of crane mounting positions relative to the nacelle.
Nº publicación: EP4596869A1 06/08/2025
Solicitante:
KODAIR WIND DESIGNS LTD [IE]
Kodair Wind Designs Limited
Resumen de: EP4596869A1
A system for a wind turbine nacelle includes a rotor head, a plurality of blade holders connected to the rotor head, and a shaft having a first end that extends into the rotor head. Linear movement of the shaft causes movement of the plurality of blade holders. The system further includes an electromechanical pitch actuator connected to a second end of the shaft and configured to translate linearly to move the shaft linearly. The system further includes a linear drive system connected to the electromechanical pitch actuator. The system further includes a fail-safe system connected to the electromechanical pitch actuator via the linear drive system. The fail safe system actuates to force the electromechanical pitch actuator rearward to move the blades into a stall blade position.
BOPI
Sede Electrónica
