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Wind Turbine patents

      

This page is updated frequently with new Wind Turbine-related patent applications.

SALE: 440+ Wind Turbine-related patent PDFs



 Reinforced main bearing of a wind turbine patent thumbnailReinforced main bearing of a wind turbine
A main bearing of a wind turbine, wherein the main bearing is reinforced by a reinforcement element which includes a cavity to reduce a torsional deformation of the main bearing, is provided. A wind turbine for generating electricity including such a main bearing is also provided..
Siemens Aktiengesellschaft


 Nacelle construction for a wind turbine patent thumbnailNacelle construction for a wind turbine
A heli-hoist pad that is incorporated into a wind turbine nacelle in a manner that is optimized for helicopter approach and positioning of the heli-hoist pad, such as by being located within a recess in an upper surface of the wind turbine nacelle. Heat exchangers may also be positioned within the free flow of wind outside of a nacelle in manners that provide for serviceability while also allowing for optimal positioning of a heli-hoist pad..
Mhi Vestas Offshore Wind A/s


 Wind turbine rotor blade having a spark gap patent thumbnailWind turbine rotor blade having a spark gap
A wind turbine rotor blade is provided. The wind turbine blade has a lightning receptor, a first electric line, and a potential equalization arrangement having a first electrode, which is connected to the lightning receptor, and a second electrode, which is connected to the first electric line, a spark gap being formed between the two electrodes, mutually facing sides of the two electrodes forming an air flow channel, which is arranged such that the ambient air that is incident when the wind turbine rotor blade is in operation flows through it..
Nordex Energy Gmbh


 Wind turbine rotor blade having a spark gap patent thumbnailWind turbine rotor blade having a spark gap
A wind turbine rotor blade is provided. The wind turbine rotor blade has a lightning receptor, a first electrical line and a potential equalization arrangement which has a first electrode, which is connected to the lightning receptor, and a second electrode, which is connected to the first electrical line, a spark gap being formed between the two electrodes.
Nordex Energy Gmbh


 Dc output wind turbine with power dissipation patent thumbnailDc output wind turbine with power dissipation
A wind turbine is disclosed having a generator and rectifier and structured to provide direct current power that in one form is medium voltage direct current (mvdc). The wind turbine includes a crowbar circuit arranged to protect from a condition such as an overvoltage.
Abb Technology Ltd.


 A vertical axis wind turbine with self-orientating blades patent thumbnailA vertical axis wind turbine with self-orientating blades
The invention is a wind turbine that is part of a system for utilizing the energy of wind to produce electrical energy. The turbine is a vertical axis wind turbine that is characterized by the design of its blades.

 Wind turbine blade bushing system patent thumbnailWind turbine blade bushing system
A wind turbine blade bushing system for arrangement in a root end of a wind turbine blade is described. The wind turbine blade bushing system comprises a threaded element for retaining a mounting bolt for a wind turbine blade, the threaded element being formed from a first material; and an anchor element for arrangement at the root end of the wind turbine, wherein the anchor element acts to at least partly retain the threaded element in the wind turbine blade, the anchor element being formed from a second material.
Lm Wp Patent Holding A/s


 Noise reduction means for a rotor blade of a wind turbine patent thumbnailNoise reduction means for a rotor blade of a wind turbine
A rotor blade of a wind turbine is provided. The rotor blade includes a pressure side, a suction side, a leading edge section, and a trailing edge section with a trailing edge.
Siemens Aktiengesellschaft


 Method and arrangement for removing and lifting a blade pitch slewing ring bearing of a wind turbine patent thumbnailMethod and arrangement for removing and lifting a blade pitch slewing ring bearing of a wind turbine
A method and an arrangement for removing and lifting of a blade pitch slewing ring bearing of a wind turbine after a blade from a rotor hub of the wind turbine is removed, is disclosed. The arrangement and method enables the lowering and lifting of the wind turbine without the need of large and heavy cranes so that the replacement can be carried out cost effectively.
Windcare India Pvt Ltd


 Method and system for de-erection and re-erection of a blade of  a wind turbine patent thumbnailMethod and system for de-erection and re-erection of a blade of a wind turbine
A system for de-erection and re-erection of a blade of a wind turbine, the system comprising at least one first pulley, at least one second pulley, at least one third pulley, a receptacle disposed over a substantial length of the blade, a lifting line passing over the at least one first pulley, the at least one second pulley, the at least one third pulley and attached back to the at least one second pulley, at least one load bearing mechanism configured for pulling and releasing of the lifting line to enable vertical motion of the receptacle disposed over the blade, a load supporting mechanism connected to an operative bottom portion of the blade and configured to support the blade during de-erection and re-erection thereof and at least one holding mechanism attached to the at least one third pulley, the at least one holding mechanism adapted to hold the receptacle.. .
Windcare India Pvt Ltd


Foundation for a wind turbine

The present invention provides a foundation for a wind turbine. To reduce set-up time and to allow complete alignment of the platform which carries the base flange of the tower construction, the invention provides a foundation with a cage structure having an upper stress distribution flange connected by a plurality of tensioned anchor bolts to a lower flange.
Vestas Wind Systems A/s

A wind turbine blade manufacturing system and method

There is described a system and apparatus for the manufacture of a wind turbine blade where portions of a blade, preferably blade half shells, are formed in suitable moulds, before transferral to a post-moulding station where post-moulding operations can be performed. The blade shells are formed in the mould to have integrated flanges which facilitate easy handling of the blade shells during subsequent manufacturing operations.
Lm Wp Patent Holding A/s

Method, controller, and computer program product for controlling a target system

For controlling a target system, e.g. A gas or wind turbine or another system, operational data of a plurality of source systems are used.
Siemens Aktiengesellschaft

Wind turbine with floating foundation and position regulating control system and method thereof

The present invention relates to a wind turbine structure comprising a wind turbine tower with a nacelle arranged on the top to which a rotor hub with one or more rotatable mounted wind turbine blades are mounted which form a rotor plane. A floating foundation is mounted to the bottom of the wind turbine tower and the pitch and/or yaw system are used to regulate the position of the wind turbine structure.
Envision Energy (denmark) Aps

Wind turbine tower assembly

A structural tower for a wind turbine assembly, includes along at least a base section: a plurality of peripheral sections extending peripherally of a central section. Each includes a convex-shaped wall having two longitudinal side edges and an inner framework connected to a respective one of the convex-shaped walls and extending inwardly therein.
Marmen Inc.

Method and tool for assembling tower elements

Tooling and a method of using the tooling for aligning flanges of a wind turbine tower segment of a tower section to correct deformities that might otherwise prevent fasteners from passing through apertures of adjacent flanges to gather the segments into tower sections.. .
Vestas Wind Systems A/s

Alignment tool, the connection of wind turbine tower segments

The application relates to an alignment tool (200) for the alignment of a pair of vertical flanges for the connection of the longitudinal edges of adjacent segments of a cylindrical section of a wind turbine tower, and to a system and method utilising one or more such alignment tools (200). The alignment tool comprises mounting means (202) for connecting the alignment tool to a portion of a vertical flange of a tower segment; and a longitudinal alignment head (204) for aligning the vertical flange with an op posing vertical flange of an adjacent tower segment.
Vestas Wind Systems A/s

A manufacturing a part of a wind turbine blade

A method for manufacturing a part for a wind turbine blade, and in particular a part of a shear web for a wind turbine blade, is described. The method comprises pultruding the part, wherein an in-line shaping of the part is performed, to provide a part having a cross-sectional profile which varies in the longitudinal length of the part.
Lm Wp Patent Holding A/s

Magnet configurations for magnetic levitation of wind turbines and other apparatus

A wind turbine having one or more magnets for reducing friction between the turbine support and a turbine rotor. The reduction of friction between the turbine rotor and the turbine support allows for an increase in energy production and scale of the wind turbines.
Hover Energy Llc

Lightning transmission device between the rotor and the nacelle in a wind turbine

A lightning transmission device between the rotor and the nacelle in a wind turbine, which comprises: a first electricity conductor platen, where one of its ends is separated at a distance with respect to a metal strip located at a root of each blade; a second electricity conductor platen, where one of the ends is separated a distance with respect to a gutter element; an electrical conductor between the first and second platen; an electrical insulator coupled to said first and second platens; which is also coupled to the hub of the wind turbine; and a relative displacement unit between the first and second platen, the unit configured to ensure a predefined distance between the end of the first platen and the metal strip; and between the end of the second platen and the gutter element.. .
Gamesa Innovation & Technology, S. L.

Drive system of a wind turbine

A drive system of a wind turbine includes a transmission gear configured to be connected to a wind rotor shaft, the transmission gear having a first planetary gear set and a second planetary gear set, and a generator downstream of the transmission gear. The transmission gear and the generator are mounted in sliding bearings..
Siemens Aktiengesellschaft

Self orienting hanging windmill

A hanging windmill has a wind turbine and a generator mounted on an airframe supported by a hanger at the center of gravity of the assembly. A stop is provided for preventing the tipping of the airframe on the hanger beyond a point where the blades of the wind turbine strike the hanger..

Wind turbine control using secondary controller to adjust wind speed and/or direction input values

A system for controlling a wind turbine may include at least one sensor configured to provide at least one of a wind speed signal or a wind direction signal and a turbine controller configured to control the operation of the wind turbine. The system may also include a secondary controller inserted between the sensor(s) and the turbine controller.
General Electric Company

Single-frame impeller of wind turbine generator set

The present invention relates to the technical field of wind power generating equipment, in particular to a single-frame impeller of a wind turbine generator set. Influenced by the structure, materials and the like, a horizontal-shaft wind turbine generator set in the prior art has problems of low wind energy utilization rate, relatively high design requirements, relatively large volume and weight, difficulty in maintenance and repairing, likeliness in over-speed flying, and the like.

Power generating apparatus

Power generating apparatus (10) comprises a housing (14) and a wind turbine (12) within the housing. The wind turbine comprises a plurality of rotatable turbine blades (66).
Whoosh 2013 Limited

Nacelle of a wind turbine

A nacelle of a wind turbine, the wind turbine having a generator for generating electrical energy from wind, and the nacelle comprising a mainframe for carrying the generator on a tower, a carrier module for accommodating items of electrical control equipment, and a nacelle casing for protecting the carrier module and the mainframe against effects of weather, the carrier module and/or the nacelle casing being connected to the mainframe by means of decoupling means, such that there exists thereby an elastically damped connection to the mainframe.. .
Wobben Properties Gmbh

Renewable energy marine hydrokinetic or wind turbine

Three controls, three variable gear assemblies, a hatch, and a variable torque and power generator (vt&pg), may be used independently and together to provide constant frequency and voltage output power and to increase the amount of output power generated with the same input water flow or wind speed. A three variable spur/helical gear assembly of sun and planetary gear sets is a mechanical three variable control and referred to herein as a transgear™ gear assembly, simply transgear.
Differential Dynamics Corporation

Tower segment handling method and apparatus

This application relates to tower segment handling methods and apparatus, and in particular to methods and apparatus for handling segments of steel wind turbine towers. The wind turbine tower comprises a plurality of cylindrical vertical tower sections, which in the finished tower are mounted on top of one another.
Vestas Wind Systems A/s

Tower segment handling method and apparatus

This application relates to tower segment handling methods and apparatus, and in particular to methods and apparatus for handling segments of steel wind turbine towers. The wind turbine tower comprises a plurality of cylindrical vertical tower sections, which in the finished tower are mounted on top of one another.
Vestas Wind Systems A/s

Beam and pile anchor foundation for towers

A foundation system for a tower, such as a wind turbine, includes a central hub assembly, a plurality of post-tensioned concrete beams, and an anchoring system associated with each beam. In use the foundation system is arranged so that the bottom surfaces of the concrete beams bear on soil and the anchoring is disposed within the soil.
Rute Foundation Systems, Inc.

In-line processing of pre-formed pultruded products for use within a wind turbine rotor blade

A method for in-line processing of pre-formed pultruded products may generally include transporting a pre-formed pultruded product in a processing direction along a travel path, wherein the product includes a combination of fibers and resin and wherein the product extends lengthwise in the processing direction and defines an initial width in a widthwise direction. The method may also include roughening an outer surface of the pre-formed pultruded product as the product is being transported in the processing direction along the travel path and cutting the pre-formed pultruded product lengthwise in the processing direction to form first and second pultruded plates as the product is being transported in the processing direction along the travel path, wherein each of the first and second pultruded plates defines a width in the widthwise direction that is less than the initial width of the product..
General Electric Company

Control of reactive power in a wind power plant

The invention relates to a method for controlling injection and absorption of reactive power in a wind power plant (wpp). In addition to wind turbine generators (wtg), the wind power plant comprises reactive power regulating devices, such as msu and statcom devices.
Vestas Wind Systems A/s

Reconfiguration of the reactive power loop of a wind power plant

The present invention relates a method of controlling a wind power plant connected to an electrical grid, the wind power plant comprises a power plant controller (350), a plurality of wind turbine generators (1) and a statcom (230), with a statcom controller, comprises: controlling the plurality of wind turbine generators in a first control mode, with the power plant controller controlling a reactive power production from each of the plurality of wind turbine generators according to a closed loop control scheme, and controlling in a first control mode with a closed loop control scheme a reactive power production from the statcom according to a first setpoint dispatched from the power plant controller, and controlling the reactive power production from the statcom in a second control mode from the statcom controller according to an electrical measurement in the grid, and controlling the plurality of wind turbine generators in a second control mode, with the power plant controller controlling a reactive power production from the plurality of wind turbine generators, according to a feedforward control or a close loop control, based on a second setpoint from the statcom controller, and switching between the first control mode and the second control mode when receiving at least one trigger signal. The invention also relates to a wind power plant according to the method..
Vestas Wind Systems A/s

A wind power plant with improved rise time

The present invention relates to a method for controlling a wind power plant connected to an electrical grid, the wind power plant comprising at least one wind turbine generator and a power plant controller, the power plant controller comprising a signal controller for controlling an electrical parameter with a gain (kgs), the method comprising, measuring at least one electrical parameter in the electrical grid, determining an internal signal value at least partially based on the at least one electrical parameter, comparing the internal signal value with a saturation value, and if the internal signal value exceed the saturation value, increasing the gain (kgs) of the signal controller to a first gain value, in order to decrease a rise time for a slope for the electrical-parameter in the electrical grid. The invention also relates to a power plant controller arranged to decrease a rise time for a voltage slope for a voltage parameter in the electrical grid..
Vestas Wind Systems A/s

Data acquisition system for condition-based maintenance

Generally, a system and method consistent with the present disclosure may provide a relatively low cost, relatively robust data acquisition and analysis system useful for condition-based maintenance. The system may be useful for condition-based maintenance in industrial applications, e.g., of equipment and/or machinery.
Nrg Systems, Inc.

Securing and/or tensioning of a planet shaft

A member for axially fixing and/or tensioning a planetary bolt, in particular a planetary bolt of the planetary gear stage of the transmission of a wind turbine. Based on the idea of providing a screw joint for axially fixing and/or tensioning a planetary bolt in the immediate vicinity of a section of the planetary bolt which has a shoulder for the axial fixing and/or tensioning of planetary bearings.
Zf Wind Power Antwerpen N.v.

Emergency system

Emergency system for providing an emergency exit from an upper level at a wind turbine (1) comprising at least a wind turbine tower (2) and a nacelle (3), said emergency system (10) comprising —an escape unit (12), which in a normal condition is releasably located at a position at the nacelle of the wind turbine, —said escape unit (12) comprising lowering means, —said escape unit being adapted for accommodating at least one person, —said escape unit comprising releasing means for providing a release from said position at said upper level and for allowing said escape unit (12) to be lowered downwards by means of said lowering means to a lower level of said wind turbine, and —said emergency system (10) further comprising initial guiding means and tower guide means for facilitating guidance of said escape unit (12) in relation to the wind turbine tower (2).. .
Ha-pa Holding A/s

System for reducing maintenance frequency for bolts and nuts of wind turbine

A system for reducing maintenance frequency for bolts and nuts of a wind turbine comprises a plurality of fastening units, a pc data collector, a server and a terminal. The fastening unit has a bolt sequentially penetrates through a lower spacer, a sensor, an upper spacer, a wind turbine parts, a threaded ring, and a washer, and then a nut is engaged and tightly fastened on the bolt.

Basic grid supervision of a wind power plant

The present invention relates to a method for supervision of an electrical measurement in a wind power plant, with a plurality of wind turbine generators, the method comprises, a) measuring a measurement of an electrical parameter in the wind power plant, b) determining a difference between the measurement and a reference value, c) in case the difference is greater than a threshold value, incrementing an event counter, d) in case the event counter is incremented, raising a first warning flag. The invention also relates to a power plant controller arranged to supervise a wind power plant according to the method; the wind power plant comprises a plurality of wind turbine generators..
Vestas Wind Systems A/s

Method for feeding in electrical energy by means of a wind turbine

A method for feeding electric energy into an electric power supply network by means of a wind turbine, wherein the wind turbine generates electric power from wind having a variable wind speed by means of an aerodynamic rotor and a generator and feeds it at least partially into the electric power supply network and/or uses it at least partially for supplying electric devices of the wind turbine, wherein the generated electric real power is set as function of an ambient temperature and/or wherein the rotor has a variable rotational speed and the rotational speed is set as a function of the ambient temperature.. .
Wobben Properties Gmbh

Operating wind turbines

Methods are provided of operating first and second wind turbines in a situation wherein presence of the first wind turbine affects the wind so that a wake is generated that affects the second wind turbine. These methods include determining parameters of the wind at first wind turbine and at second wind turbine.
Alstom Renewable Technologies

Upwind wind turbine

An upwind wind turbine includes: a hub provided so as to be rotatable around a rotation axis; a plurality of blades configured to rotate together with the hub; a tilting mechanism configured to couple the hub and the blades such that the blades are tiltable relative to a rotational plane around the rotation axis; a driving device configured to drive the tilting mechanism to switch between a standing state where the blades stand and a tilted state where the blades are tilted; and a fixing/supporting mechanism provided independently from the tilting mechanism and the driving device and configured to be switched between a locked state where the blades in the standing state are prevented from tilting and an unlocked state where the blades are allowed to tilt to become the tilted state.. .
Kawasaki Jukogyo Kabushiki Kaisha

Power-ramping pitch feed-forward

Embodiments of the present disclosure generally relate to apparatus and methods for preventing power dips associated with power ramping in wind turbines. One embodiment of the present disclosure provides a method for stabilizing power output in a wind turbine, which includes tracking a rate of change in an external reference, such as an external power reference or external torque reference, computing a feed-forward pitch angle adjustment according to the rate of change in the external power reference, and sending the feed-forward pitch angle adjustment to the wind turbine to adjust a pitch angle of rotor blades simultaneously with adjusting power output according to the external reference..
Vestas Wind Systems A/s

Rotor blade for a wind turbine

A rotor blade for a wind turbine comprising a blade root to be fastened to a rotor hub, a blade tip opposite the blade root, a rotor blade longitudinal axis extending from the blade root to the blade tip, an inner rotor blade part on the near side of the blade hub, especially encompassing the blade root, and an outer blade part on the far side of the blade hub, especially encompassing the blade tip. The inner rotor blade part and the outer rotor blade part are joined to one another in a joining zone which forms a bulge in the rotor blade..
Wobben Properties Gmbh

Rotor blade root assembly for a wind turbine

The present disclosure is directed to a root assembly for a rotor blade of a wind turbine and methods of manufacturing same. The root assembly includes a blade root section having an inner sidewall surface and an outer sidewall surface separated by a radial gap, a plurality of root inserts spaced circumferentially within the radial gap, and a plurality of spacers configured between one or more of the root inserts.
General Electric Company

A nacelle for a wind turbine generator including lifting apparatus

A nacelle for a wind turbine generator comprises a crane articulated on a base fixed to said nacelle. The crane includes a cantilevered telescopic boom, a principal winch with a lifting line and respective azimuth and elevation drive units for moving said boom in azimuth and in elevation relative to said nacelle.
Vestas Wind Systems A/s

Rotor blade root assembly for a wind turbine

The present disclosure is directed to a root assembly for a rotor blade of a wind turbine and methods of manufacturing same. The root assembly includes a blade root section having an inner sidewall surface and an outer sidewall surface separated by a radial gap, a plurality of root inserts spaced circumferentially within the radial gap, and a plurality of spacers configured between one or more of the root inserts.
General Electric Company

Corrosion protecting layer system, corrosion protected bearing component and protecting a bearing component against corrosion

A corrosion-protecting layer system, e.g., for a bearing component used in a wind turbine, includes a base layer that contains polyurethane, zinc, and vinylphosphonic acid or silane. An intermediate layer is formed on the base layer and contains polyurethane and zinc.
Aktiebolaget Skf

A manufacturing a shear web using a pre-formed web foot flange

A method of manufacturing a wind turbine blade component in form of a shear web is described. The method comprising the steps of: a) providing a pre-manufactured shear web body having a first side and a second side as well as a first end and a second end; b) providing a first pre-formed web foot flange comprising a fibre-reinforcement material; c) arranging a first fibre layer from the first pre-formed web foot flange and to a part of the first side of the shear web body; d) arranging a second fibre layer from the first pre-formed web foot flange and to a part of the second side of the shear web body; e) supplying a resin to said first fibre layer and second fibre layer simultaneous with or subsequent to steps c) and d); and f) allowing the resin to cure so as to form the shear web..
Lm Wp Patent Holding A/s

Device and the automated processing of workpieces

An apparatus for automated machining, such as grinding, cutting and/or deburring, of workpieces, in particular of cast components, e.g., of wind turbines. For this purpose, the apparatus comprises a motor spindle for machining the workpiece, the motor spindle having a tool interface for receiving a tool for the machining operation.
Wobben Properties Gmbh



Wind Turbine topics:
  • Wind Turbine
  • Rotor Blade
  • Process Control
  • High Speed
  • Radial Flow
  • Rotor Shaft
  • Rotor Blades
  • 3d Printing
  • Degrees Of Freedom
  • Rotary Actuator
  • Hydraulic Rotary Actuator
  • Shaft Assembly
  • Transverse
  • Generators
  • High Altitude


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    This listing is a sample listing of patent applications related to Wind Turbine for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Wind Turbine with additional patents listed. Browse our RSS directory or Search for other possible listings.


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