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Resultados 194 results. LastUpdate Updated on 06/12/2021 [03:08:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days



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METHOD OF SECURING AND TRANSFERRING A LOAD BETWEEN A VESSEL AND AN OFFSHORE INSTALLATION AND AN APPARATUS THEREFOR

Publication No.: US2021371219A1 02/12/2021

Applicant:

PHOENIX II AS [DK]

KR_20210130819_PA

Absstract of: US2021371219A1

The offshore jack-up has a hull and a plurality of moveable legs engageable with the seafloor. The offshore jack-up is arranged to move the legs with respect to the hull to position the hull out of the water. The method comprises moving at least a portion of a vessel underneath the hull of the offshore jack-up or within a cut-out of the hull when the hull is positioned out of the water and the legs engage the seafloor. A stabilizing mechanism mounted on the jack-up is engaged against the vessel. The stabilizing mechanism is pushed down on the vessel to increase the buoyant force acting on the vessel.

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MODIFYING CONTROL STRATEGY FOR CONTROL OF A WIND TURBINE USING LOAD PROBABILITY AND DESIGN LOAD LIMIT

Publication No.: US2021372371A1 02/12/2021

Applicant:

VESTAS WIND SYS AS [DK]

CN_113195887_A

Absstract of: US2021372371A1

The present disclosure relates to controlling an operation of a wind turbine. A first plurality of extreme load measures indicative of extreme loads experienced by at least part of the wind turbine during the first period of time are determined and a load probability characteristic is then determined based on a statistical analysis of the distribution of the first plurality of extreme load measures. A control strategy for controlling the operation of the wind turbine is then modified based at least in part on a comparison of the load probability characteristic and a design load limit and the wind turbine is then subsequently controlled in accordance with the modified control strategy for a second period of time.

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ELECTRICAL MACHINE AND METHOD FOR FABRICATION OF A COIL OF AN ELECTRICAL MACHINE

Publication No.: US2021375541A1 02/12/2021

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY AS [DK]
SIEMENS AG [DE]

CN_113228470_A

Absstract of: US2021375541A1

Provided is an electrical machine including a rotor and a stator with at least one coil, wherein the coil includes one or more windings of one or more tape-shaped conductors wherein the or each conductor has a longitudinal axis, wherein the coil includes two opposing straight sections and two opposing arc-shaped coil head sections, wherein the coil includes at least two torsion sections, in which the or each winding is twisted around the longitudinal axis of the or each conductor, so that a width direction of the one or each conductors in at least one of the straight sections is parallel or essentially parallel to a direction of a magnetic field generated or generatable by the rotor penetrating the at least one straight section.

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JOINTED WIND TURBINE ROTOR BLADE HAVING VARYING MATERIAL COMBINATIONS ALONG ITS SPAN FOR PIN REINFORCEMENT

Publication No.: US2021372366A1 02/12/2021

Applicant:

GEN ELECTRIC [US]

BR_112021007648_A2

Absstract of: US2021372366A1

A jointed rotor blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of blade segments has at least one shell member defining an airfoil surface and an internal support structure. The internal support structure of the first blade segment includes a beam structure extending lengthwise that structurally connects with the internal support structure of the second blade segment via a receiving section. The rotor blade further includes one or more pin joints positioned on at least one of internal support structures of the first blade segment or the second blade segment. Thus, at least one of internal support structures of the first blade segment or the second blade segment includes varying material combinations along a span of the rotor blade at locations of the one or more pin joints so as to reinforce the one or more pin joints.

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FOLDING BLADE WIND TURBINE

Publication No.: US2021372368A1 02/12/2021

Applicant:

NATURAL POWER CONCEPTS INC [US]

JP_2020051430_A

Absstract of: US2021372368A1

A wind turbine is provided. The turbine includes a support having an axis of rotation, a generator, a plurality of blades rotatably mounted on the support about the axis of rotation, the blades being moveable between a retracted position generally parallel with the axis of rotation and a fully deployed position generally perpendicular with the axis of rotation, the blades being connected to the generator such that rotation of the blades in a direction induced by wind causes the generator to produce electricity, and the provision of electricity to the generator rotates the blades, and a controller connected to the generator and configured to deliver a flow of current to the generator that is sufficient to move the blades from the retracted position toward the fully deployed position and insufficient to move the blades all the way to the fully deployed position. The flow of current induces rotation of the blades in the direction induced by wind, which creates a centrifugal force that moves the blades from the retracted position toward the fully deployed position. As the blades move from the retracted position, the blades have increasing exposure to ambient wind to receive additional rotational force from ambient wind, and the additional rotational force being sufficient to, either alone or in combination with the flow of current, move the blades into the fully deployed position.

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METHOD FOR CONTROLLING A WIND POWER INSTALLATION

Publication No.: US2021372367A1 02/12/2021

Applicant:

WOBBEN PROPERTIES GMBH [DE]

CN_113719426_A

Absstract of: US2021372367A1

A method for controlling a wind power installation is provided. The method includes operating the installation at a normal operating point at which the installation is not operated in a throttled fashion if there is no request for throttling, and operating the installation at a throttled operating point, in response to a throttle request, with output power which is throttled in comparison with the normal operating point. The method includes changing the operation from the throttled operating point to a reserve operating point at which the installation is operated with higher output power in response to a power increase request. The throttled operating point has a higher tip speed ratio than that of the reserve operating point and is positioned on an associated iso-characteristic curve in the λθ diagram having, at the throttled operating point, a negative characteristic curve gradient.

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Skalierbarer, vollgeregelter, luftgetriebener Energietransformer (SVL-Energietransformer)

Publication No.: DE102020003130A1 02/12/2021

Applicant:

HURST PETER [DE]

Absstract of: DE102020003130A1

Es wird mit dieser Patentanmeldung die Erteilung eines Patents auf eine neuartige Windkraftanlage (skalierbarer, vollgeregelter, luftgetriebener Energietransformer = SVL-Energietransformer) beantragt.Die Basis dieser Windkraftanlage beruht auf dem Grundprinzip einer, zwei oder mehreren angetriebenen geregelten Rotoren, die über geeignete Verbindungselemente auf einer zentralen Achse (Hauptachse) montiert sind. Sie nutzen den Magnus-Effekt als Rotations-/Antriebskraft für die Hauptachse aus und erzeugen so ein konstantes Drehmoment. Dieses Drehmoment wird mit Hilfe einer Verbindungswelle (Hauptachsenstrang) auf einen Generator übertragen.Die Rotoren sind mit einem speziellen zylinderförmigen Mantel (Bernoulli-Diffusor) umgeben, dessen Ende, entsprechend der Windgeschwindigkeit, mit einer adaptiven Steuerung versehen ist.Die Rotoren haben in ihrer Innenseite Endscheiben und sind am anderen Ende entsprechend den Abmessungen des Bernoulli-Diffusors als Kalotte ausgebildet.Die Anwendung von adaptiven Oberflächenstrukturen verbessert im erheblichen Maße die Aerodynamik und damit die Leistung der Windkraftanlage.Das embedded, adaptive Reglersystem gewährleistet eine robuste, stetige Leistungsabgabe.Die abgegebene elektrische Leistung des Generators hängt primär von den geometrischen Abmessungen der Windkraftanlage und den vorherrschenden Windverhältnissen ab.

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WIND TURBINE BLADE WITH FLATBACK SEGMENT AND RELATED METHOD

Publication No.: US2021372365A1 02/12/2021

Applicant:

LM WIND POWER US TECH APS [DK]

CN_109790817_A

Absstract of: US2021372365A1

An optical analysis device for determining particulate matter includes three light sources having different wavelengths, an apparatus for combining the three transmitted light beams on a common optical path, a measurement volume, an optical axis in the forward scattering direction that defines the scattering angle 0°, a light absorption apparatus at 0° that absorbs unscattered light, and six detectors arranged at different specified angles which are as close as possible to 0° directly next to the light absorption apparatus, at a second scattering angle between 7° and 40°, at a third scattering angle between 41° and 70°, at a fourth scattering angle between 71° and 115°, at a fifth scattering angle between 116° and 145°, at a sixth scattering angle between 146° and 180°. A control and evaluation unit controls the light sources such that the scattered light is detected in a wavelength selective manner by the detectors.

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WIND TURBINE ROTOR BLADE ASSEMBLY FOR REDUCED NOISE

Publication No.: US2021372364A1 02/12/2021

Applicant:

GEN ELECTRIC [US]

Absstract of: US2021372364A1

A rotor blade assembly of a wind turbine includes a rotor blade having an aerodynamic body with an inboard region and an outboard region. The inboard and outboard regions define a pressure side, a suction side, a leading edge, and a trailing edge. The inboard region includes a blade root, whereas the outboard region includes a blade tip. The rotor blade also defines a chord and a span. Further, the inboard region includes a transitional region of the rotor blade that includes a maximum chord. Moreover, a chord slope of the rotor blade in the transitional region ranges from about −0.10 to about 0.10 from the maximum chord over about 15% of the span of the rotor blade. In addition, a slope of a change in the chord in the outboard region at a peak from concave to convex or vice versa is greater than about −0.03

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METHOD AND APPARATUS FOR SELF-ADAPTION OF A CUT-OUT STRATEGY

Publication No.: US2021372370A1 02/12/2021

Applicant:

BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD [CN]

ES_2852826_T3

Absstract of: US2021372370A1

The present disclosure provides a method and an apparatus for self-adaption of a cut-out strategy. The method may include: predicting, using a wind speed prediction model, a wind resource parameter of a wind turbine at each machine location; predicting, using a load prediction model, a fatigue load and a limit load of the wind turbine based on the predicted wind resource parameter and an air density; comparing the predicted fatigue load and limit load with a reference load; and determining the cut-out strategy based on a result of the comparison, wherein determining the cut-out strategy includes determining a cut-out wind speed and an output power.

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DAMPING OF EDGEWISE WIND TURBINE BLADE VIBRATIONS

Publication No.: US2021372369A1 02/12/2021

Applicant:

VESTAS WIND SYS AS [DK]

US_2019154002_A1

Absstract of: US2021372369A1

There is presented a method for damping an edgewise vibration of a rotor blade of a wind turbine, wherein the method comprises measuring at the rotor blade a motion parameter of the edgewise rotor blade vibration, generating based on said motion parameter a blade pitch angle control signal, and damping the edgewise vibration of the rotor blade by pitching the rotor blade according to the blade pitch angle control signal, wherein the blade pitch angle control signal is arranged so that a resulting force on a rotor blade pitched according to the blade pitch angle control signal, in a direction of the edgewise vibration of the rotor blade in a coordinate system, which rotates with a rotor of the wind turbine, is opposite and proportional to the edgewise rotor blade vibration velocity.

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PITCH CONTROL METHOD AND SYSTEM OF SYMMETRICAL-AIRFOIL VERTICAL AXIS WIND TURBINE

Publication No.: US2021372372A1 02/12/2021

Applicant:

UNIV ANHUI SCI & TECHNOLOGY [CN]

CN_111622904_A

Absstract of: US2021372372A1

A pitch control method and system of a symmetrical-airfoil vertical axis wind turbine is provided, which collects data by an anemometer, an anemoscope and an angle sensor, outputs an optimum pitch angle based on a control law of a pitch angle, and controls the pitch angle to be the optimum pitch angle through a pitch control actuator. In addition to input variables of the control law such as a wind velocity vin and a blade azimuth angle Ψ, constants such as a rotation radius R, a rotation velocity Ω of the blade and aerodynamic coefficients c1, c2 and c3 are also related. A Reynolds number has little influence on three aerodynamic coefficients c1, c2 and c3. The pitch actuator controls the adjustment rods to realize the automatic pitch control of the blades. An expression of the control law of the pitch is concise, the calculation time is short and a response speed is fast.

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WIND TURBINE BLADE AND WIND TURBINE

Publication No.: US2021372374A1 02/12/2021

Applicant:

MITSUBISHI HEAVY IND LTD [JP]

Absstract of: US2021372374A1

A wind turbine blade includes a blade main body and a leading edge protector. The leading edge protector includes a conductive material and covers a leading edge of the blade main body. The leading edge protector is also electrically connected to at least one of a down conductor disposed in a hollow space enclosed by a skin in the blade main body and a conductive mesh member provided along an outer surface of the skin.

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METHOD FOR OPERATING A WIND TURBINE

Publication No.: US2021372375A1 02/12/2021

Applicant:

WOBBEN PROPERTIES GMBH [DE]

CA_3083180_A1

Absstract of: US2021372375A1

There is provided a method of operating a wind turbine which has at least two rotor blades. A first ice detection method is performed by a first ice accretion detection unit. A first warning signal is output if an ice accretion which exceeds a first threshold value is detected at one of the rotor blades by the first ice detection method. A second ice detection method is performed by a second ice accretion detection unit. A second warning signal is output if an ice accretion which exceeds a second threshold value is detected at one of the rotor blades by the second ice detection method. An enable signal is output if a freedom from ice is detected at the at least two rotor blades by the second ice detection method. Intervention in the operation of the wind turbine is effected by a control unit if the first or second warning signal has been detected. Intervention in the operation of the wind turbine is deactivated by the control unit if the control unit receives an enable signal and has previously received the second warning signal.

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SPAR STRUCTURE WITH INTEGRATED DOWN CONDUCTOR ELEMENT FOR LIGHTNING PROTECTION SYSTEM

Publication No.: US2021372373A1 02/12/2021

Applicant:

BLADE DYNAMICS LTD [GB]

CN_113167219_A

Absstract of: US2021372373A1

A sparcap for a spar structure inside a wind turbine blade is provided. A down conductor element is integrated on a side of the sparcap such that after assembly of the sparcap into the spar structure, the down conductor element extends along an outer corner of the spar structure.

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MODEL-BASED METHOD AND SYSTEM FOR MONITORING THE CONDITION OF A SLIDING BEARING, PARTICULARLY FOR WIND TURBINES

Publication No.: US2021372466A1 02/12/2021

Applicant:

ZAHNRADFABRIK FRIEDRICHSHAFEN [DE]
ZF WIND POWER ANTWERPEN NV [BE]

CN_111492220_A

Absstract of: US2021372466A1

A method for monitoring a condition of a sliding bearing operated with lubricating oil for a rotating component includes calculating, by a control unit as an output variable of a sliding bearing model, a calculated value of a minimum gap thickness of the sliding bearing. The calculated value is calculated by orbit analysis from at least one physical sliding bearing model to which at least a rotational speed of the rotating component, a bearing load, and a temperature of the sliding bearing are supplied as input variables. The method further includes measuring, with at least one sensor, a minimum gap thickness to provide a measured value of the minimum gap thickness, and comparing the measured value of the minimum gap thickness with the calculated value of the minimum gap thickness for the purpose of adjustment.

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A MULTIROTOR WIND TURBINE

Publication No.: US2021372376A1 02/12/2021

Applicant:

VESTAS WIND SYS AS [DK]

JP_2021527181_A

Absstract of: US2021372376A1

A multirotor wind turbine (1) comprising a vertical tower and at least two energy generating units (5), a load carrying structure (9, 10) extending transverse to the vertical direction and carrying the at least two energy generating units (5); and at least one escape route extending between a start and an exit. To provide a safe escape route, the load carrying structure forms at least a first section of the escape route from the start to an intermediate location, and the wind turbine comprises an escape opening in the nacelle, the escape opening leading from an interior space of a nacelle of the energy generating unit to a passage structure and the passage structure extending from the escape opening to the start of the escape route.

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A WIND TURBINE BLADE, A WIND TURBINE AND A METHOD FOR MANUFACTURING A WIND TURBINE BLADE

Publication No.: EP3916216A1 01/12/2021

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY AS [DK]

Absstract of: EP3916216A1

A wind turbine blade for a wind turbine, the wind turbine blade comprising:an electrical conductor for conducting lighting strikes towards a hub of the wind turbine,a fiber sock fully enclosing the electrical conductor when seen in cross-section,a support element, andat least one finger connecting the support element and the fiber sock,the fiber sock, the support element and the at least one finger being made of electrically conductive fibers for conducting lightning strikes from the support element to the electrical conductor.Such a fiber sock mitigates the risk of delamination around the electrical conductor resulting from injected high voltages in case of lightning strikes.

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WIND TURBINE BLADE AND METHOD OF DECIDING ARRANGEMENT OF VORTEX GENERATORS FOR WIND TURBINE BLADE

Publication No.: EP3916217A1 01/12/2021

Applicant:

VESTAS OFFSHORE WIND AS [DK]

Absstract of: EP3916217A1

A wind turbine blade includes a plurality of vortex generators. The plurality of vortex generators include a plurality of fins. A fin closest to a blade tip of the plurality of fins is positioned between a blade root, and a middle position between the blade tip and the blade root. Provided that r/R is a ratio of a radial direction position r to a radius R of a wind turbine rotor including the wind turbine blade, and x/c is a ratio of a chord direction position x to a chord length c of the wind turbine blade, the plurality of fins include at least one first fin arranged in a region satisfying 0≤r/R≤0.1 and 0≤x/c≤0.2, and at least one second fin arranged in a region satisfying 0.1≤r/R≤0.3 and 0.1≤x/c≤0.5.

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A COMPUTER-IMPLEMENTED METHOD FOR GENERATING A PREDICTION MODEL FOR PREDICTING ROTOR BLADE DAMAGES OF A WIND TURBINE

Publication No.: EP3916222A1 01/12/2021

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY AS [DK]

Absstract of: EP3916222A1

The invention refers to a computer-implemented method for generating a prediction model for predicting rotor blade damages of a wind turbine, wherein the method processes previously acquired data (DA), said data (DA) comprising data sets (DS) for a plurality of wind turbines, where each data set (DS) comprises respective values of variables, the variables including one or more turbine variables (T1, T2, ..., T10), one or more weather variables (W1, W2, ..., W4) and one or more damage variables (D1, D2, ..., D19), wherein the method comprises the following steps:a) discretizing the values of those variables which are numerical variables, resulting in modified data sets (DS');b) structure learning of a plurality of Bayesian networks (BN1, BN2 ..., BNN) based on the modified data sets (DS'), where each Bayesian network (BN1, BN2 ..., BNN) is learned by another learning method;c) determining an optimum Bayesian network (OBN) out of the plurality of Bayesian networks (BN1, BN2 ..., BNN) based on a performance measure (PM) reflecting the prediction quality of a respective Bayesian network (BN1, BN2 ..., BNN), where the optimum Bayesian network (OBN) has the best performance measure (PM);d) parameter learning of the optimum Bayesian network (OBN) based on the modified data sets (DS'), resulting in conditional probabilities (CP), where the optimum Bayesian network (OBN) in combination with the conditional probabilities (CP) is the prediction model.

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METHOD OF AND SYSTEM FOR MONITORING AND DIAGNOSING A GROUNDING SYSTEM

Publication No.: EP3916412A1 01/12/2021

Applicant:

VENTUS ENG GMBH [AT]

Absstract of: EP3916412A1

Disclosed is system and a method of diagnosing a grounding system of a structure comprising a charge collecting structure conductively connected to ground via a grounding path, wherein diagnosing involves an act of monitoring an output of an electrostatic motor connected to the grounding path. Further disclosed is a system and method of diagnosing a grounding system by means of voltage detectors in combination with the electrostatic motor or alone.

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OBJECT DETECTION IN AN INTERIOR OF A TURBINE HUB

Publication No.: EP3916223A1 01/12/2021

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY AS [DK]

Absstract of: EP3916223A1

The invention relates to a method for detecting an object in an interior of a turbine hub. The method comprises emitting a primary light by a light source, sampling at least a part of the interior of the turbine hub by emitting the primary light into different directions, detecting a secondary light by a photon detector, wherein the secondary light corresponds to the primary light reflected in the interior of the turbine hub, generating at least one point cloud based on the secondary light detected by the photon detector, and detecting an object in the interior of the turbine hub based on the at least one point cloud.

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TOWER ARRANGEMENT FOR A WIND TURBINE, WIND TURBINE COMPRISING THE TOWER ARRANGEMENT AND METHOD FOR ERECTING A WIND TURBINE

Publication No.: EP3916220A1 01/12/2021

Applicant:

SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY SL [ES]

US_2021363774_A1

Absstract of: EP3916220A1

A tower arrangement (17, 117) for a wind turbine (1), comprising:a guyed tower (6),one or more cable foundations (12, 112, 212) each including a through-hole (20, 120),one or more stay cables (11), each stay cable (11) being anchored at its first end (13) at the tower (6) and being anchored at its second end (15) at one of the cable foundations (12, 112, 212), andone or more anchoring means (18, 118, 218) for anchoring the second end (15) of each stay cable (11) at the respective cable foundation (12, 112, 212),wherein each stay cable (11) is guided through a respective through-hole (20, 120) and anchored, with respect to its first end (13), behind the respective through-hole (20, 120) at its second end (15) using the anchoring means (18, 118, 218).By having the cable foundations comprising the through-holes, guiding the stay cables through the through-holes and anchoring them behind the through-holes, external connection means such as steel structures poured into the concrete foundation are not required. Thus, the anchoring of the stay cables at the cable foundations is simplified.

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Method for manufacturing a gravity based foundation for an offshore installation, and gravity based foundation.

Publication No.: EP3914780A1 01/12/2021

Applicant:

KONINKLIJKE BAM GROEP NV [NL]

WO_2020153839_A1

Absstract of: NL2022433B1

The invention concerns a gravity based foundation for an offshore installation and a method of its manufacturing. The foundation comprises a caisson of concrete and a hollow shaft. The 5 caisson has a bottom slab, a roof and a side wall extending between the bottom slab and the roof. The caisson is of hollow construction. The roof having a passage for the shaft, the shaft extending with its lower part through the passage into the caisson and is supported on a shaft support provided on the slab. The shaft support has embedded tensioning bars vertically projecting from the upper side of the shaft support. The shaft has a flange at its lower part, 10 which is provided with passages. The shaft is mounted on the shaft support by means of the tensioning bars extending through the bolt passages. The method comprises the steps: — providing a concrete bottom slab, — providing a full-length formwork defining at least part of the shaft support and having a vertical length corresponding to the vertical length of the shaft support, and arranging 15 the full-length formwork onto the bottom slab, — providing a slip formwork defining the side wall and having a vertical height smaller than the vertical length of the full-length formwork, and arranging the slip formwork onto the bottom slab, — providing the tensioning bars and mounting the tensioning bars in a fixed position to 20 the full-length formwork, and — concrete pouring of the side wall and shaft support while raising the sl

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Floating vessel with wind turbine support

Nº publicación: GB2595521A 01/12/2021

Applicant:

TRIVANE LTD [GB]

Absstract of: GB2595521A

A floating structure 1 has three buoyant bodies 3, 5, 7 for supporting a horizontal axis wind turbine 33. The floating vessel is provided with a geostationary mooring system that permits it to weathervane in order to head the wind turbine into the wind. The vessel also has a wind turbine mount supported by a wind turbine support 4. The wind turbine support has a central support element 27 attached to a central buoyant body 3 and a first side brace 31 attached to a first buoyant body 5 and a second side brace 31 attached to a second buoyant body 7. A floating structure with a horizontal axis wind turbine is also disclosed, as well as a floating structure 1 with a main buoyant part 3 separated into a fore part 21 and an aft part 23.

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