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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



new patent Wind turbine generators with power backup system
Auxiliary power is required by each generator to orient the rotor blades to face the wind direction and also for other control and safety functions. This auxiliary power is normally extracted from the power generated within each wind turbine generator.

new patent Systems and methods for improved wind power generation
A wind power generation system includes one or both of a memory or storage device storing one or more processor-executable executable routines, and one or more processors configured to execute the one or more executable routines which, when executed, cause acts to be performed. The acts include receiving weather data, wind turbine system data, or a combination thereof; transforming the weather data, the wind turbine system data, or the combination thereof, into a data subset, wherein the data subset comprises a first time period data; selecting one or more wind power system models from a plurality of models; transforming the one or more wind power system models into one or more trained models at least partially based on the data subset; and executing the one or more trained models to derive a forecast, wherein the forecast comprises a predicted electrical power production for the wind power system..
General Electric Company


new patent Condition monitoring system and condition monitoring method
A wind turbine includes vibration sensors for detecting conditions of apparatuses in the wind turbine. Each of detection outputs of the vibration sensors is transmitted to an information processing device.

new patent Wind turbine having a fiber winding
A wind turbine comprising a tower and a nacelle, wherein a rotor having at least one rotor blade is disposed on the nacelle, and the rotor executes a rotary motion when the wind turbine is in operation and the rotary motion drives a generator within the nacelle, via a shaft, wherein disposed on the tower of the wind turbine there is a fiber winding, which wraps around a vertical tower axis of the tower of the wind turbine and which is configured to damp a vibration of the tower.. .
Wobben Properties Gmbh


new patent Blade and strut of wind turbine for vertical-axis wind power generator
A wind turbine for a wind power generator includes: a center shaft arranged in a vertical direction; a plurality of horizontal arms attached in a radial manner to the center shaft; and a plurality of blades each arranged on an outer end of each of the plurality of horizontal arms so as to stand in an upright position, the plurality of blades each having a streamlined shape, in horizontal cross-section, including a 45±10% front side and a rear side, of which the rear side defines a convex arc-shaped outer-side surface and a concave arc-shaped center-shaft-side surface in a continuously closed manner, and a blade thickness across the convex arc-shaped outer-side surface and the concave arc-shaped center-shaft-side surface decreases gradually from a full dimension, in a region from a center-shaft-side point of inflection in blade thickness to a rear end of each of the plurality of blades.. .

new patent Method for attaching a toothed rear edge to a blade rear edge of a rotor blade
A method for applying a serrated rear edge to a blade rear edge of a rotor blade of a wind turbine that has a pressure side and a suction side. The method comprises the steps: disposing the serrated rear edge, with an attaching portion, on a surface of the blade rear edge, and attaching the serrated rear edge, in the region of the attaching portion, to the rotor blade by means of adhesive, the serrated rear edge being disposed on the suction side and being additionally fixed by application of an overlapping material strip to the pressure side, and the material strip being disposed on the pressure side and on the serrated rear edge such that it overlaps a transition between the blade rear edge and the serrated rear edge, or the serrated rear edge being disposed on the pressure side and additionally fixed by application of an overlapping material strip to the suction side, and the material strip being disposed on the suction side and on the serrated rear edge such that it overlaps a transition between the blade rear edge and the serrated rear edge..
Wobben Properties Gmbh


new patent Leading edge flap
A fluid interface device, such as an airfoil assembly, can include a device structure and at least one movable band oriented such that the band moves in a direction of fluid flow. The at least one movable band can be supported on the device structure such that an outer surface of the movable band is exposed along the device structure and is capable of movement relative thereto such that a relative velocity can be maintained between the outer surface and the device structure.

Systems, methods, and devices including modular, fixed and transportable structures incorporating solar and wind generation technologies for production of electricity
Disclosed are systems, methods, and devices related to fixed and transportable structures and vehicles utilizing the integration of solar and wind technologies for generation of electricity. The system generates electricity using solar panels (and/or solar thermal units) and wind turbines, stores and converts electricity, and can be located in various locations either as fixed or portable embodiments including on land, on water, underwater, air and space and may also be housed in a structure to provide electricity for various facilities and uses..

Hybrid energy system for general applications
The hybrid energy system for onshore and for offshore applications to include buildings infrastructure, and vessels respectively an assortment one or more arrays of integrated piezoelectric devices, wind turbine array and solar panels characterized in that they are to produce renewable energy for on demand use and for battery bank storage. Accordingly the onshore application includes a kinetic energy turbine farm, and also offshore methods for kinetic energy turbine farms, mega buoys and mega vessels to supply extra electric energy to other vessels and to shunt net power to utility grid companies, and mega-barges produce net power in onboard giant battery bank containers to rent by shipping to utility consignment locations coastally..

System and ground based inspection of wind turbine blades
A ground based wind turbine blade inspection system and method consists of a thermal imaging camera configured to detect propagating defects by acquiring thermal imaging data from a wind turbine blade when it is substantially at thermal equilibrium with respect to surrounding air and analyzing the thermal imaging data with a processor to identify thermal effects associated with latent defects caused by internal friction due to cyclic gravitational stresses and wind loads during normal turbine operation. The system permits latent defects to be identified using a ground-based in situ inspection before they become visually apparent, which allows repairs to be made economically while the blade is in place..
Digital Wind Systems, Inc.


System and assembling tower sections of a wind turbine lattice tower structure

In one aspect, a method for assembling a tower section of a lattice tower structure for a wind turbine on a tower assembly fixture may generally include installing a first trolley onto a first fixture arm of the fixture and installing a second trolley onto a second fixture arm of the fixture. In addition, the method may include securing a first support leg of the tower section to the first trolley, securing a second support leg of the tower section to the second trolley and coupling at least one secondary support member between the first and seconds support legs..
General Electric Company

Multi-sided ventilation assembly for wind turbine tower access door

A wind turbine tower includes a door access opening in a down tower area of the tower. A hinged door panel covers the door access opening, with a ventilation opening defined through the door panel.
General Electric Company

Operating a wind turbine being connected to a utility grid both via a hvdc power connection and via an umbilical ac cable with a network bridge controller performing a power and a voltage control

A method is provided for controlling the operation of a wind turbine includes (a) receiving an active power reference signal; (b) determining, based on the active power reference signal and an active power feedback signal, a first voltage control signal and a power controller frequency signal; (c) receiving a power reference signal; (d) determining, based on the power reference signal and the power feedback signal, a power offset frequency signal; (e) determining, based on the power controller frequency signal, a second voltage control signal; (f) determining, based on the power offset frequency signal, an angle signal indicative for an actual angle of a rotating dq reference frame; and (g) controlling the operation of a power converter based on the first voltage control signal, the second voltage control signal, and the angle signal.. .
Siemens Aktiengesellschaft

Operating a wind turbine being connected to a utility grid solely via an umbilical ac cable with a network bridge controller performing a power and a voltage control

A method for controlling the operation of a wind turbine is provided. The method includes receiving, by means of a power controller, an active power reference signal and an active power feedback signal; determining, by means of the power controller and based on the active power reference signal and the active power feedback signal, a first voltage control signal and a power controller frequency signal; determining, by means of a frequency droop gain unit and based on the power controller frequency signal, a second voltage control signal; determining, by means of a theta integrator unit and based on the power controller frequency signal, an actual angle signal being indicative for an actual angle between a rotating dq reference frame and a stationary abc reference frame; and controlling operation of a network bridge based on the first voltage control signal, the second voltage control signal, and the actual angle signal..
Siemens Aktiengesellschaft

Operating a wind turbine being connected to a utility grid solely via a hvdc power connection with a network bridge controller performing a power and a voltage control

A method for controlling the operation of a wind turbine is provided. The method includes (a) receiving an active power reference signal) and an active power feedback signal; (b) determining, based on the active power reference signal and the active power feedback signal, a first voltage control signal and a power controller frequency signal; (c) determining, based on the power controller frequency signal, a second voltage control signal; (d) determining, based on the frequency reference signal, a frequency controller frequency signal; (e) determining, based on the power controller frequency signal and the frequency controller frequency signal, an actual angle signal being indicative for an actual angle of a rotating dq reference frame; and (f) controlling the operation of a power converter of the wind turbine based on the first voltage control signal, the second voltage control signal, and the actual angle signal..
Siemens Aktiengesellschaft

Wind turbine

The wind generator includes a support part, a housing connected to an upper portion of the support part, the housing having an inner space, a blade part connected to one side of the housing, the blade part, an electricity generating part seated in the inner space of the housing, a flywheel, and a tail part. The flywheel includes a shaft rotating together with the blade part, a rotor coupled to the shaft, the rotor including at least one permanent magnet along an outer circumferential surface thereof, at least one coil part disposed outside in a radial direction of the rotor and around which a trigger coil is wound, the at least one coil generating magnetic fields when current is supplied to the trigger coil, and a circuit part supplying pulse-type current to trigger coil when the permanent magnet passes through a center of the trigger coil..
Nurielecom Co., Ltd.

Wind park with a feed-forward control system in the power regulator

A wind park comprising at least two wind turbines that produce electrical power by means of a wind rotor and a generator and delivers this to an accumulating network, and comprising a park master that is configured to control said wind turbines and has a power regulator whose input is supplied with a target power signal and, at whose output, power control signals are emitted for the wind turbines, said power regulator comprising a feed-forward control module that imposes a value for the target power onto the output of said power regulator by means of a multiplication element.. .
Senvion Gmbh

Methods and systems for detecting sensor fault modes

A method of detecting a fault mode of a sensor is provided. The sensor may be, for example, a bending moment sensor and may sense a bending moment of a blade on a wind turbine generator (wtg).
Vestas Wind Systems A/s

Wind turbine operation based on a frequency of an ac output voltage signal provided by a power converter of the wind turbine

A method for controlling the operation of a wind turbine which includes a mechanical drive train, an electric generator being mechanically connected to the drive train, and a power converter being electrically connected to the generator is provided. The method comprises (a) determining a frequency of an ac output voltage signal provided by the power converter; (b) recognizing, whether there has been a modification of the determined frequency with respect to a previously determined frequency, which modification is larger than a given threshold; (c) if the modification of the determined frequency is larger than the given threshold, changing a power reference signal for the wind turbine; (d) providing the changed power reference signal to a controller of the wind turbine; and (e) controlling the operation of the wind turbine on the basis of the changed power reference signal..
Siemens Aktiengesellschaft

Wind energy conversion devices

A wind turbine for harvesting energy from both horizontal and vertical wind currents having an open frame structure and a central passage through the structure with at least three wind energy harvesting generally vertically disposed and rotatably mounted blades positioned about the central passage and at least three wind energy harvesting generally horizontal blades projecting radially from the central vertical axis of the device. The open frame structure includes a unique rod and cable central structure offset from the periphery of the frame.

Wind power generator

Wind power generator (wpg) comprising a stator, rotor with a shaft connectable to wind turbine and a stationary superconducting coil for magnetizing the wind power generator rotor, the wpg stator comprising a multi-phase winding for producing electricity. The wpg is a synchronous generator, and the superconducting coil comprises end portions arranged to be magnetized with opposing polarities by a superconducting coil, the rotor comprises poles extending in the surface of the rotor in the direction of the shaft of the generator, the poles arranged to be magnetized using the superconducting coil, each rotor pole extends inwardly at one end of the pole such that the inwardly extended end is arranged in the vicinity of an end portion of the superconducting coil for magnetizing the rotor pole and the rotor poles comprises pole shoes formed to provide sinusoidally varying air gap flux in the air gap between stator and rotor..
Abb Technology Ag

Installation for transmitting electrical power

An installation for transmitting electrical power between a first and a second alternating voltage network. A self-commutated converter can be connected to the second alternating voltage network, and is connected to a unidirectional rectifier by way of a direct voltage connection.
Siemens Aktiengesellschaft

Hydrogen oxidation and generation over carbon films

An electrode comprises an acid treated, cathodically cycled carbon-comprising film or body. The carbon consists of single walled nanotubes (swnts), pyrolytic graphite, microcrystalline graphitic, any carbon that consists of more than 99% sp2 hybridized carbons, or any combination thereof.
University Of Florida Research

Anti-oscillation securing wind turbine blades against oscillations

A tool for reducing vibrations in wind turbine blades at standstill includes an elongate sleeve formed of a net-like material for fitting over the blades, wherein the sleeve is formed with at least one protruding structure extending along at least a part of the length of the sleeve having an undulating form, and which is arranged so that when the sleeve is fitted on a blade the protruding structure or structures lie at the leading and/or trailing edge of the blade. A method for securing wind turbine blades against oscillations is also disclosed..
Vestas Wind Systems A/s

Control of a group of wind turbines

Methods and systems for reducing an output power of a group of wind turbines are provided. A measure of life usage by at least one component of each of a plurality of the turbines is determined, and is compared to a threshold value for life usage for the component.
Vestas Wind Systems A/s

Pitch assembly for a wind turbine rotor blade

The present disclosure is directed to a pitch assembly for coupling a rotor blade to a hub of a wind turbine. In one embodiment, the pitch assembly includes a first pitch bearing having a first outer race and a first inner race rotatable relative to the first outer race via a first set of rolling elements, a second pitch bearing having a second outer race and a second inner race rotatable relative to the second outer race via a second set of rolling elements, and at least one spacer configured axially between and contacting the first and second pitch bearings.
General Electric Company

Corrugated pre-cured laminate plates for use within wind turbine rotor blades

A pre-cured laminate plate for use within a component of a wind turbine rotor blade may generally include a plate body extending in a thickness direction between a first side and a second side and in a widthwise direction between a first end and a second end. The plate body may define a plate thickness between the first and second sides.
General Electric Company

Spar cap for a wind turbine rotor blade formed from pre-cured laminate plates of varying thicknesses

A spar cap for a rotor blade of a wind turbine may generally include an assembly of pre-cured laminate plates stacked on one top of the other, with the assembly including an outermost pre-cured plate, an innermost pre-cured plate positioned opposite the outermost pre-cured plate and a plurality of intermediate pre-cured plates stacked directly between the outermost and innermost pre-cured plates. The outermost pre-cured plate may be configured to be positioned adjacent to an inner surface of a body shell of the rotor blade.
General Electric Company

System and in-situ resurfacing of a wind turbine main rotor shaft

A method is provided for in-situ resurfacing of a main rotor shaft of a wind turbine, wherein in an operational state, the main rotor shaft is coupled at a first end to a rotor hub and at the opposite second end to a gearbox or directly to a generator within a nacelle. The method includes uncoupling the rotor shaft from the gearbox or generator so as to expose an end face of the second end of the rotor shaft.
General Electric Company

Ring insert for a wind turbine rotor blade

The present disclosure is directed to a rotor blade assembly for a wind turbine. The rotor blade assembly includes a rotor blade having a blade root section and a rigid ring insert.
General Electric Company

Wind turbine blade part manufactured in two steps

A method of manufacturing a portion of a wind turbine blade is described. The method comprising the steps of: laying up a primary fibre material in a mould; infusing said primary fibre material with a primary resin; substantially curing said primary resin in said primary fibre material to form a cured blade element; laying up a secondary fibre material on top of at least a portion of said cured blade element; infusing said secondary fibre material with a secondary resin different to said primary resin, wherein said secondary resin has a higher strength level than said primary resin; and curing said secondary resin in said secondary fibre material to form an integrated reinforced section on said cured blade element..
Lm Wp Patent Holdings A/s

Axial securing of a planetary gearing bearing arrangement

A planetary transmission, for a wind turbine, having at least one of each of a planetary gearwheel, a shaft and a carrier. The planetary gearwheel is mounted by at least first and second bearings for rotation on the shaft.
Zf Wind Power Antwerpen N.v.

Power turbine incorporating torque accumulation and energy storage

A power producing turbine comprising a flexible cable in a torque transmitting transmission, to accumulate force and to attenuate fluctuations in transmitted torque. The turbine includes a tower on which the turbine is mounted, and a generator receiving torque from the transmission.

Airflow generator power supply and wind turbine generator

An airflow generator power supply of an embodiment supplies alternating-current voltage to a plurality of airflow generators on a blade of a wind turbine generator. The power supply has a frequency converter, a plurality of transformers, and a switch.
Kabushiki Kaisha Toshiba

Operating a a wind turbine

The present invention refers to a method for operating a wind turbine, the wind turbine particularly comprising a tower and a rotor with rotor blades. The pitch angles of the rotor blades are adjusted to generate a force on the rotor and the tower.
Vestas Wind Systems A/s

Counteracting tower oscillations of an idling wind turbine

The invention presents a method for operating a horizontal axis wind turbine (1), the wind turbine comprising a tower (2) and a rotor (5) with at least one rotor blade (51), the rotor being connected to the tower, and being adapted to drive a generator (6) connected to a utility grid (8), wherein a pitch angle (a) of each rotor blade is adjustable, the method comprising detecting (905, 911), when the wind turbine is in an idling power producing situation in relation to the utility grid, a tower oscillation, and controlling (907, 913, 914, 915), when the wind turbine is in the idling power producing situation, the pitch angle of the at least one rotor blade so as to produce aerodynamic forces counteracting the detected tower oscillation.. .
Vestas Wind Systems A/s

Method and system for improving energy capture efficiency from an energy capture device

A method and system for improving the efficiency of energy capture from an energy capture device by analysis of the downstream fluid wake created by the energy capture device. In an illustrated embodiment, the system (10) comprises a sensing arrangement (32) configured to acquire air flow data from a downstream wake (34) produced by rotating blades (20) of a wind turbine (12), the sensing arrangement (32) comprising a lidar unit (35) having an optical source (36) and a receiver (38).
Sgurrenegy Limited

Dual cam cylic pitch turbine

This invention relates to a novel turbine design that increases turbine efficiency whereby turbine blades experience cyclic pitch variations while rotating about the blade axis which is accomplished by means of a concentric end cam double follower mechanism. This mechanism rotates the blades by 90 degrees about a horizontal axis which allows the blades rotating upstream and downstream to be oriented horizontally and vertically so minimum drag and maximum drag are obtained respectively.
Rutgers, The State University Of New Jersey

Vertical axis wind turbine

A vertical axis wind turbine (vawt) with improved and optimized wind-directing, wind-shaping, and wind-power conversion features is disclosed. The shapes of these features directly affect the ability of the vawt to use the power of moving air, such as wind, to spin a rotor and create torque on a rotor shaft to generate electricity.
Dme Wind Energy Corporation

Blade root section for a modular rotor blade and manufacturing same

The present disclosure is directed to a pre-formed blade root section for a modular rotor blade of a wind turbine and methods of manufacturing same. More specifically, the blade root section includes a root end portion and one or more longitudinal spar caps co-infused with the root end portion and extending in a generally span-wise direction.
General Electric Company

Structural component for a modular rotor blade

The present disclosure is directed to a pre-formed, continuous structural component for use in assembling a modular rotor blade for a wind turbine. Further, the structural component provides support to the modular rotor blade during operation.
General Electric Company

Modular wind turbine rotor blades and methods of assembling same

The present disclosure is directed to a modular rotor blade for a wind turbine and methods of assembling same. The rotor blade includes a blade root section, a blade tip section, at least one leading edge segment having a forward pressure side surface and a forward suction side surface, and at least one trailing edge segment having an aft pressure side surface and an aft suction side surface.
General Electric Company

Structural support members with different areal weight fiber reinforcing layers for wind turbine rotor blades

Structural support members includes a plurality of fiber reinforcing layers positioned on top of one another, wherein a plurality of intermediate fiber reinforcing layers are disposed between a top fiber reinforcing layer and a bottom fiber reinforcing layer, and wherein at least one of said fiber reinforcing layers comprises a first areal weight, and wherein at least one of said fiber reinforcing layers comprises a second areal weight different than the first areal weight. The structural support members further include a resin infused throughout the plurality of fiber reinforcing layers..
General Electric Company

Modular wind turbine rotor blades and methods of assembling same

The present disclosure is directed to a method for assembling a modular rotor blade of a wind turbine. The method includes providing a pre-formed blade root section and a pre-formed blade tip section of the rotor blade.
General Electric Company

System and assembling tower sections of a wind turbine lattice tower structure

A system for assembling a tower section of a lattice tower structure for a wind turbine may generally include a tower assembly fixture having a plurality of radially extending fixture arms, wherein each fixture arm extends between a first end and a second end. In addition, the system may include a plurality of trolleys.
General Electric Company

Improvements in or relating to fibre reinforced composites

(57) abstract: the present invention concerns a process for the production of wind turbine structures. In the process, a stack of prepregs is located inside a vacuum bag.
Hexcel Composites Limited



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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