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WO/2013/021181A1 |
The invention relates to a drive arrangement for a wind turbine, and to a wind turbine incorporating a drive arrangement. In one embodiment, a drive arrangement (12) for a wind turbine (10) is disclosed which comprises a rotor shaft (20)...
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WO/2013/020218A1 |
A wind turbine has two sets of blades concentrically mounted on a rotatable shaft. The two sets of blades are housed separately and an air supply for the turbine enters an air inlet of a first housing to drive a first set of blades and e...
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WO/2013/021487A1 |
The purpose of the present invention is to provide a wind power generation apparatus which is capable of more effectively cooling a heat generating source in a tower and a nacelle. A wind power generation apparatus (1) is provided with a...
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WO/2013/022230A2 |
The present invention pertains to a vertical wind power generator with variable length blades, which comprises: a vertical shaft section; a blade section which applies the rotational force thereof to the shaft section while rotating by w...
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WO/2013/020553A1 |
The invention relates to a collecting apparatus (1) for collecting environmentally harmful liquids, in particular oil, which drip off towers (5), pillars or the like, in particular for wind turbines, wherein at least one sleeve (2), whic...
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WO/2013/020436A1 |
Disclosed are a central pylon for a vertical axis wind turbine and a construction method thereof, wherein the central pylon (1) is of a steel reinforced concrete structure with a channel (12) provided in the centre of the central pylon (...
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WO/2013/021236A1 |
Provided is a method of assembling an aerogenerator blade tip segment. The method includes: removing an outboard tip end part of an aerogenerator blade; removing at least a portion of a leading edge panel and at least a portion of a trai...
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WO/2013/021670A1 |
[Problem] To provide a renewable energy type electric power generation device configured so that, although the oil supply mechanism thereof is simplified, both hydraulic oil and lubricating oil function appropriately. [Solution] A renewa...
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WO/2013/017648A2 |
A shadow flicker measurement system comprising a sun blocking element and a first and a second light sensor, wherein each of said first and second light sensor is oriented such as to receive light from a hemisphere above a substantially ...
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WO/2013/017215A1 |
The invention relates to a hydroelectric power plant which comprises at least one foundation, one mast, and one hydropower machine. At least one water turbine is arranged horizontally on said mast, and this water turbine comprises at lea...
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WO/2013/019760A2 |
Systems are provided for increasing the power to be extracted from a wind stream by a wind turbine, including placing a duct and nozzle system, or cluster of such systems, up-stream of the wind turbine.
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WO/2013/017214A1 |
The invention relates to a hydroelectric power plant that comprises at least one foundation, one mast, and one hydropower machine. At least one water turbine is arranged horizontally on said mast, and this water turbine comprises at leas...
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WO/2013/017587A1 |
The invention relates to a locking device for the rotor of a wind turbine having one or more rotor blades, which rotor rotates about a substantially horizontal rotor shaft under wind loads. The rotor shaft is supported on a main frame in...
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WO/2013/017646A1 |
A shadow flicker measurement system comprising a sun blocking element and a light sensor, wherein at least one of said sun blocking element and said light sensor is rotatable, such that upon rotation, the relative positions of the sun bl...
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WO/2013/013361A1 |
A wind turbine blade fully made of honeycomb boards comprises a housing and an internal support structure. The housing is mainly formed of an upper half housing and a lower half housing. The internal support structure is arranged in the ...
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WO/2013/014082A2 |
Disclosed is awind turbine blade and a method for retrofitting a wind turbine blade, the wind turbine bladeextending in a longitudinal directionalong a pitch axisand having a tip end and a root endas well as a blade length, the wind turb...
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WO/2013/014015A2 |
A particular arrangement of vortex generators for an airfoil is described. The vortex generators are provided in pairs, preferably on a wind turbine blade, wherein by arranging the vortex generators according to specified characteristics...
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WO/2013/013491A1 |
A single shaft coupled double-aerogenerator comprises a tower(6),a main machine frame(1),a main shaft(2),a wheel hub(3),a current transformer(5) and two aerogenerators(4),in which the middle of the main machine frame is connected with th...
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WO/2013/014398A1 |
The present invention concerns the field of supports for mechanical elements in motion and in particular for elements in rotational motion such as wind turbines. It relates in particular to a device intended to secure a wind turbine to t...
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WO/2013/015720A2 |
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WO/2013/011004A1 |
Wind turbine generator comprising a rotor, a stator and an air gap between a gap-delimiting region of the stator and a gap-delimiting region of the rotor; wherein the rotor and/or the stator are deformable under operational loads and con...
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WO/2013/010738A1 |
The invention describes a tower-shaped supporting structure (1), at least portions of which are hollow, with a plurality of interconnected prestressed concrete elements (2, 4), each of the prestressed elements (2) having a plurality of e...
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WO/2013/010568A1 |
The present invention provides a nacelle main frame structure and drive train assembly (10) for being mounted on a tower (2) of a wind turbine (1). The nacelle main frame structure and drive train assembly (10) comprises a nacelle main f...
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WO/2013/009631A2 |
A gas turbine engine with a compressor rotor having compressor impulse blades that delivers gas at supersonic conditions to a stator. The stator includes a one or more aerodynamic ducts that each have a converging portion and a diverging...
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WO/2013/008986A1 |
The present invention relates to an offshore wind power generator, a lifting jig for transferring the offshore wind power generator, and a method for installing the offshore wind power generator using the lifting jig. The offshore wind p...
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WO/2013/007322A1 |
The invention relates to a hydraulic or pneumatic bearing, comprising elastic elements (2) and at least one pressure accumulator (7), which bearing is capable of absorbing static forces or loads but also other forces acting in one or mor...
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WO/2013/007775A1 |
Wind turbine rotor comprising a hub, a plurality of blades and at least one pitch system for rotating a blade substantially along its longitudinal axis, the pitch system comprising a motor, a drive pinion, a gear arranged to mesh with th...
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WO/2013/007749A1 |
A wind power station comprises a wind turbine a generator and a frequency converter comprising a generator converter connected to the generator, an intermediate circuit connected to the generator converter and a grid converter connected ...
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WO/2013/007778A1 |
Wind turbine rotor comprising a hub, a plurality of blades, at least one pitch system for rotating a blade substantially along its longitudinal axis and at least one pitch retention system, wherein a pitch retention system comprises a ca...
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WO/2013/008200A1 |
A wind turbine, particularly vertical axis, whose diameter is extensible and retractable, either from the length of the arms or the angle of the blades, or both, has advantages in operating in low wind speed regimes and surviving in high...
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WO/2013/007267A1 |
A wind turbine blade, comprising a proximal end, where the blade is to be attached to a hub at a blade root; and a distal end, where the blade tapers to form a blade tip, wherein the blade further comprises at least a first longitudinal ...
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WO/2013/007342A1 |
A cooling device for wind power plants having a machine housing (1) arranged rotatably on a tower (3), and having at least one heat exchanger (9) which is connected thereto and is a component of a cooling circuit and is exposed to the ex...
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WO/2013/007777A1 |
Wind turbine auxiliary drive system comprising a motor, a drive pinion, a bearing and a lubrication system, the bearing comprising an outer bearing ring, an inner bearing ring and, between these two bearing rings, one or more rows of rol...
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WO/2013/010126A2 |
An apparatus that utilizes wind power to generate electricity is disclosed. In one embodiment, the apparatus comprises a plurality of horizontal axis wind turbine systems mounted onto a structure having framing. The plurality of horizont...
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WO/2013/006962A1 |
The present document describes a wheel assembly defining a motor/generator. The wheel assembly comprises a plurality of stator units coaxially provided within a rotor. The stator units comprise a plurality of spokes co-centrically provid...
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WO/2013/005874A1 |
The present invention relates to a wind turbine apparatus for generating electricity by receiving a rotational force from a rotating body rotated by wind, and more particularly, to a wind turbine apparatus having improved rotational effi...
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WO/2013/004345A1 |
The invention relates to a drive train of a fluid flow power plant, in particular of a wind power plant or of a tidal power plant, comprising a rotor hub (1) which bears at least one rotor blade, and a transmission (4) which has a plural...
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WO/2013/005870A1 |
The present invention relates to a parallel rotating wing-type vertical axis wind turbine that obtains electricity using naturally-occurring wind as a power source, and more particularly, to a parallel rotating wing-type vertical axis wi...
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WO/2013/000422A1 |
A device and method for preventing velocity loss during strong wind for vertical-shaft wind power generators. At least one power generating unit is disposed on a tower column (1). A crane (4) is disposed on the top of the tower column. T...
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WO/2013/001121A1 |
Buoyant support assembly for wave-power generators with a machine (2) provided with a propeller (3) incorporated on a buoyant mast (4) secured to the seabed, which incorporates a first semi-submerged float (5) connected securely in the m...
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WO/2013/000637A1 |
The invention relates to a rotary connection for cranes, wind power plants, solar panels and the like, having an outer ring (1) and having an inner ring (2) which are arranged so as to be rotatable relative to one another, and also havin...
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WO/2013/000475A1 |
Embodiments of the invention generally relate to using remote sensing equipment such as a Light Detection and Ranging (LIDAR) device to detect wind characteristics for use by wind turbines of a wind park. A wind park controller may recei...
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WO/2013/000041A1 |
A vertical axis wind turbine; said turbine including a vertical central shaft and a plurality of vertical blades; each of said vertical blades supported by at least one radial supporting arm extending from said central shaft; characteriz...
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WO/2013/001647A1 |
Provided is an excellent compact propeller windmill which is capable of generating electricity efficiently even when the wind speed is low, and with which the windmill is not damaged in strong winds. In addition, the directionality of th...
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WO/2013/000809A1 |
The invention relates to a pumped-storage power plant, comprising a first reservoir (501), a second reservoir (H3), a flow path for a liquid, which flow path connects the first reservoir (501) to the second reservoir (H3) and within whic...
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WO/2012/177071A2 |
The present invention relates to a wind power generator which charges and uses electricity generated by the force of the rotation of rotary blades. More particularly, the present invention relates to a wind power generator having an auxi...
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WO/2012/174737A1 |
A wind power converter (30) comprises a multiple of phase power converters (300, 301, 302), each of which is adapted to convert power output from a corresponding phase of a wind generator (31) to a corresponding phase of a grid (32), eac...
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WO/2012/175204A1 |
The invention is directed to a large-scale roller bearing as a blade bearing for a wind power plant and to a wind power plant having a hub which can rotate about a rotational axis approximately in the direction of the wind, and a plurali...
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WO/2012/174684A1 |
An electric continuously variable large synchronous wind power generator set, comprising a fan hub, an electric continuously variable transmission, and a conventional synchronous generator; the electric continuously variable transmission...
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WO/2012/175406A2 |
The present invention relates to a method for producing a tower segment of a concrete tower of an wind energy installation, comprising the steps: providing a segment mold having at least an isolation for defining a mold of the tower segm...
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