Wind Turbine

Wind Turbine-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

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NEW Electrostatic noise grounding system for use in a wind turbine and a rotor and wind ...
May 25, 2017 - N°20170150587

Disclosed herein is a wind turbine rotor which includes a plurality of blades and a hub root, wherein at least one blade is provided with at least one electrostatic noise grounding system. The electrostatic noise grounding system includes an insulated rod having a first end and a second end, a conductive core passing through the insulated rod, a first conductive ...
NEW Wind turbine noise reduction with acoustically absorbent serrations
May 25, 2017 - N°20170145990

A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion. The trailing edge further includes at least one serrated portion extending at least partially between the radially inboard portion and the radially outboard portion. The serrated portion includes at least one substantially acoustically absorbent material.
NEW Wind turbine auxiliary circuit control
May 25, 2017 - N°20170145989

Systems and methods for controlling operation of one or more auxiliary circuits in a wind turbine system are provided. For instance, a grid event associated with the wind turbine system can be detected. In response to the grid event, a control signal can be provided to an auxiliary circuit breaker of the wind turbine system. The auxiliary circuit breaker can ...
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NEW Wind turbine blade manufacture
May 25, 2017 - N°20170145987

A method of making a root end of a wind turbine blade is described. The root end has a root end surface that connects to a wind turbine hub via a pitch bearing when the blade is installed on a wind turbine, and the method comprises providing a plurality of bores in the root end of the blade, each bore ...
NEW Custom fit blade tip for a rotor blade assembly of a wind turbine and method ...
May 25, 2017 - N°20170145986

A rotor blade assembly including a first blade section including a joint end and a custom fit second blade section including a joint end, and a method of fabricating the rotor blade assembly is disclosed. One of the first blade section or the custom fit second blade section includes an inner surface defining a cavity. The cavity is configured to ...
Sensing system and method
General Electric Company
May 18, 2017 - N°20170138922

A system includes a resonant sensor in contact with oil within a gearbox of a rotor system, such as a wind turbine, and one or more processors. The sensor includes electrodes and a sensing circuit that generates electrical stimuli having frequencies applied to the oil at different times during a life of the gearbox. The processors receive electrical signals from ...
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Offshore wind turbine, method for constructing offshore wind turbine, and offshore wind power generator
Hitachi, Ltd.
May 18, 2017 - N°20170138351

A method for constructing an offshore wind turbine includes: attaching all or a part of electrical products to a tower on land; stowing, on a work platform, the tower to which the electrical product is attached; and disposing, on a foundation, the tower, to which the electric product is attached, by using a crane of the work platform in the ...
System for dynamic pitch control
Mita-trknik A/s
May 18, 2017 - N°20170138348

The present invention relates to a system for dynamic pitch control primarily for wind turbine blades, which system calculates the pitch position of the wind turbine blades independently, which control system performs feedback regulation. The object of the pending patent application is to perform effective pitch regulation and hereby to reduce thrust on the tower and the rotor. This can ...
Vertical axis wind turbine and method for operating such a turbine
Agile Wind Power Ag
May 18, 2017 - N°20170138345

A vertical axis wind turbine includes two or more cells arranged one above the other along a vertical machine axis, in which each of the cells includes a plurality of vertical blades which are arranged within the cell distributed on a concentric circle about the machine axis and which are connected so as to be able to move together on ...
Wind turbine
Agile Wind Power Ag
May 18, 2017 - N°20170138343

A wind turbine including a body, a blade set, a guiding module, a door set, and a fluid recovering element is provided. The body has a fluid inlet and a fluid outlet, wherein the fluid inlet includes a guiding area and a first opening area. The fluid outlet also includes a fluid recovering area and a second opening area. The ...
Wind turbine rotor blade with a rotor blade connection and method for producing same
Wobben Properties Gmbh
May 18, 2017 - N°20170138342

A wind turbine rotor blade with a rotor blade tip, a rotor blade root, and a rotor blade connection in the region of the rotor blade root with a rotationally symmetrical flange coupling is provided which has a first and a second end. The first end of the flange coupling has multiple bores for receiving fastening means for fastening to ...
Vortex generator, wind turbine blade, and wind turbine power generating apparatus
Mitsubishi Heavy Industries, Ltd.
May 18, 2017 - N°20170138341

A vortex generator for a wind turbine blade to be mounted to a wind turbine blade includes: a platform portion to be mounted to a surface of the wind turbine blade; and at least one fin disposed upright on the platform portion. The platform portion has a cross section having a curved convex shape, at least along a blade spanwise ...
Rotor blade with noise reduction means
Siemens Aktiengesellschaft
May 18, 2017 - N°20170138340

A rotor blade for a wind turbine is provided. The rotor blade includes a pressure side, a suction side, a leading edge section with a leading edge, and a trailing edge section with a trailing edge. An airflow flows along the surface of the rotor blade from the leading edge section to the trailing edge section and builds up a ...
Wind Turbine Patent Pack
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Wind Turbine Patent Applications
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inventor
  • 671+ full patent PDF documents of Wind Turbine-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Turbinator
Mitsubishi Heavy Industries, Ltd.
May 18, 2017 - N°20170138338

The invention relates to a improved wind turbine that is used for converting wind energy into electrical energy. The shape of the wind turbine is like a set of concentric circular rings. It has minimum three rings for fixing the blades. It has several strong blades. Each blade is 6 inches long, and 4 inches wide. Each blade is separated by 1 foot ...
Aft rotor ducted wind turbine
Clarkson University
May 18, 2017 - N°20170138337

A wind energy extraction apparatus utilizing a separate surface enclosing the turbine rotor is disclosed. An embodiment of the present invention includes a slotted and un-slotted duct of specified geometry enclosing a wind turbine rotor in such a manner as to provide acceleration of the ambient air though the rotor at a velocity above that which an open rotor exposed ...
Multi-tiered wind turbine apparatus
Clarkson University
May 18, 2017 - N°20170138336

A multi-tiered wind turbine apparatus includes a support unit, a rotary shaft and a plurality of first blade modules. The rotary shaft is rotatably connected to the support unit. The blade modules are connected to the rotary shaft and are axially spaced apart from each other along the rotary shaft. Each blade module includes a plurality of blades that extend ...
Variable area blade turbine and conditioning flow deflectors device and method
Corporacion Andina De Fomento
May 18, 2017 - N°20170138331

A mechanism to provide controlled variable area blades for fluid driven tangential turbines is disclosed, where the spindle axis is perpendicular to the fluid flow, applicable in vertical axis hydraulic turbines but extensive to horizontal axis or wind turbines, with the rotor completely immersed on the flow. Each blade varying its area at selected position of the rotor turning, increasing ...
Improved apparatus
Celtic Design Consultants Limited
May 18, 2017 - N°20170138009

The present invention relates to an apparatus for providing access to equipment or structures that require maintenance. More particularly, the present invention is suitable to provide access to equipment or structures located offshore, such as wind turbines or structures for oil and gas production. The apparatus comprises a deck, an apparatus structure for supporting the deck, a platform and a ...
Overvoltage protection self-trigger circuit for double fed induction generator (dfig) wind power system
Ge Energy Power Conversion Technology Ltd
May 11, 2017 - N°20170133971

Provided is an overvoltage protection device for protecting a wind turbine against overvoltage. The device includes a double fed induction generator (dfig) including a rotor connection including a plurality of electrical connections coupled to rotor leads of the dfig and a stator connection including a plurality of electrical connections coupled to stator leads of the dfig. Also included is a ...
Device for mounting a line pipe in a rotary shaft of a wind turbine, rotor ...
Nordex Energy Gmbh
May 11, 2017 - N°20170130701

A device for mounting a line pipe in a rotor shaft of a wind turbine. The invention also relates to a rotor shaft for a wind turbine and to the wind turbine itself. The device includes a rotor shaft which is configured to be partially hollow and in which the line pipe is arranged. In the line pipe, different media ...
Condition monitoring system and wind power generation system using the same
Ntn Corporation
May 11, 2017 - N°20170130700

A condition monitoring system for a wind turbine includes: each sensor to sense a condition of equipment; a monitor device configured to generate a diagnosis parameter based on a detection result of each sensor; a data server configured to diagnose a failure of the equipment based on the diagnosis parameter; and a rotation angle sensor for sensing the nacelle's rotation ...