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Matches 1,151 - 1,200 out of 4,775

Document Document Title
WO/2011/030977A1
The present invention relates to an eccentric dual rotor assembly for wind power generation, and has the aim of providing an eccentric dual rotor assembly for wind power generation that more effectively harnesses wind energy by completel...  
WO/2011/029429A2
The invention relates to a wind turbine-type device for utilizing the energy contained in an air flow. Said device is equipped with a rotating cylinder (2a) with rotating vanes (2), a stationary guiding cylinder (4a) surrounding the rota...  
WO/2011/026210A1
A vertical offshore wind turbine comprises a buoyancy system for supporting the turbine on an air layer, without friction with moving mechanical parts, and a wind harvesting system that harvests an enormous amount of wind and causes it t...  
WO/2011/027014A2
The invention relates to a wind turbine comprising a vertical axle and having a rotor arranged inside a frame that is laterally open in such a way as to enable the inflow and outflow of air and therefore to control the power by regulatio...  
WO/2011/028067A2
The present invention relates to a cylindrical windmill for wind power generation and is directed to provide a cylindrical windmill for use in a vertical axis wind power generation system, which is designed for more efficient use of the ...  
WO/2010/037005A3
The present invention is directed generally to a mobile wind turbine, and in particular to a wind turbine mounted on a transportable rolling platform. In one embodiment, the apparatus comprises a tractor (10) pulling a trailer (12) havin...  
WO/2008/047238A3
The present invention is a vertical wind turbine having a turbine with a plurality of blades or wind vanes. The blades are constructed and attached to the shaft of the turbine so as to allow them to twist open to present more surface are...  
WO/2011/022837A1
A hydro-pneumatic system generates power from wind energy transferred to a hydraulic flow, which in turn enables production of electricity by actuating a hydraulic motor/turbine. The wind hydro-generator works efficiently and at higher c...  
WO/2010/048579A3
A vertical turbine comprising a plurality of fluid capture element layers, where each layer provides a plurality of fluid capture elements. The layers are radially offset, thereby providing a spacing between vertically-adjacent fluid cap...  
WO/2010/143817A3
The present invention relates to a wind power generation system equipped with a modular blade booster and blade pieces thereof, and in particular to a system for which blade pieces are formed in a generally semicircular-shaped partial ri...  
WO/2011/025459A1
An impulse wind turbine generator (1) comprising a rotor (5) fixed to a shaft (20) said rotor (5) having a plurality of arms (10), each arm having a wind receiving recess (90) such that an air flow (30) co-planar with and directed toward...  
WO/2011/022836A1
A wind turbine, referred to as a drag rotor is provided that converts wind energy into mechanical energy. Twin drag rotors are described with a common central deflector which minimizes potential negative drag, A drag rotor may be exploit...  
WO/2011/023839A1
The invention relates to a vertical wind energy collector including a screen for concealing the blades. The invention is formed by a central, vertical, rotary shaft, the lower end of which is secured with bearings to a rigid base anchore...  
WO/2010/134103A3
The present invention relates to a wind electric generator (1) comprising at least one tower (2) on top of which wind collection means (3) are arranged, said wind collection means (3) being operatively connected, through a wind energy tr...  
WO/2011/020161A1
The present disclosure provides a blade assembly for a wind turbine, such as a vertical axis wind turbine. The blade assembly comprises 3 or more blades and has an axis of rotation about which in use the blades rotate. In one variation t...  
WO/2011/022535A2
A system for producing mechanical energy. In some embodiments, the system includes a first source providing a first fluid, a fluid pressurization device, a second source supplying a second fluid, a first motor, and a second motor. The fl...  
WO/2011/020160A1
The present disclosure provides a wind turbine. The wind turbine has an axis about which in use the blade rotates. The blade is arranged for orientation along the axis and has a longitudinal twist. The blade comprises an inner blade port...  
WO/2011/021733A1
The present invention relates to a complex wind power generating apparatus in variable wind speed type and a method thereof. The complex wind power generating apparatus in variable wind speed type includes: a vertical Darrieus turbine fo...  
WO/2011/020159A1
The present disclosure provides a blade for a wind turbine. The wind turbine has an axis about which in use the blade rotates. The blade is arranged for orientation along the axis and has a predetermined twisted shape. The blade has a fi...  
WO/2010/147301A3
Disclosed is a vertical-axis wind turbine. The vertical-axis wind turbine comprises: a power generator; a rotary shaft, which extends in the vertical direction, for transferring rotational force to the power generator; a plurality of ver...  
WO/2011/018651A2
A wind turbine for capturing energy from a fluid flow comprises a rotor having a rotational axis and a plurality of rotor blades (104) arranged for rotation about the rotational axis. The rotor blades extend longitudinally in a direction...  
WO/2011/017904A1
A new type fluid kinetic energy conversion device includes fluid pockets (3), a rotary shaft (1) and fluid pocket supports (2). The fluid pocket supports are fixed on the rotary shaft for fixing the fluid pockets, the fluid pockets are m...  
WO/2011/017508A2
A two-stage, omnidirectional vertical axis wind turbine includes a first chamber in which a plurality of angularly spaced horns guide wind from any side of the wind turbine into a chamber to rotate a first rotor. Wind exiting the first r...  
WO/2011/014899A2
The invention relates to a wind wheel having a vertical axis of rotation (7), said wind wheel comprising a rotor (1), which has a vertical shaft (2) and at least one support arm (4), which extends diametrically to the shaft (2) and is pr...  
WO/2011/016596A1
The present invention relates to a two-pole type wind power generation device, wherein a power generating rotation body is formed of a horizontal rotation shaft and rotatively fixed by poles or iron towers at both sides thereof to be sup...  
WO/2011/016910A2
A blade system and method of use for a wind turbine to produce electrical power. The system has a vertical rotor shaft coupled to an anchor pad and supports a horizontal blade arm. A blade assembly having a rotatable flap is coupled to t...  
WO/2011/013105A2
The present invention concerns an innovative rotor (1') for an aero-generator comprising an upper bulkhead (3), a lower bulkhead (2) and a rotational axis (7) around which the rotor is rotatable. A plurality of blades (1) are connected b...  
WO/2011/014147A1
A vertical axis wind system for generation and distribution of electrical energy to a utility grid is provided. The system (10) includes a power pole electricity system supported by a plurality of ground-based upright support members (12...  
WO/2011/012970A1
Proposed herein is a hybrid type vertical shaft turbine (1) for wind power generating devices, comprising a supporting structure (2) supporting, concentrically and axially spaced, an internal rotor (3) made of Savonius blades (4) and an ...  
WO/2011/012334A1
A wind turbine device comprising a base frame (1) which supports a vertical axis wind operated rotor, the axis being associated to a user device and being contained in a matchingly-dimensioned cylindrical casing (15) exhibiting two openi...  
WO/2010/003955A3
A wind turbine apparatus is disclosed, the apparatus comprising a generator and a substantially vertical shaft, the shaft being directly mounted to the generator for rotating the generator. At least one lightweight vane member is also pr...  
WO/2010/098656A3
A proposed wind, solar and rain harvester is described. The hybrid wind harvester (10) comprises a power-augmentation-guide-vane (12) and a wind turbine (14) sharing a centre axis as the guide vane. The novel power-augmentation-guide-van...  
WO/2010/062273A3
The present model is a wind turbine (1) with vertical axis. However, a high efficient wind turbine is acquired by reason of closing rapidly of the blowing wind part with the property of the one way opening and the being parallel to the g...  
WO/2011/011109A1
Extracting energy from wind. At least some of the illustrative embodiments are methods including: directing a fluid flow across an aperture of an elongated cavity, the directing the fluid flow across the aperture at a non-right angle to ...  
WO/2010/116983A9
A wind wheel which can be utilized for wind-driven electric power generation, can rotate while facing any direction irrespective of the direction of wind, and can stably rotate in an ordinary wind and even in a strong wind such as a typh...  
WO/2011/006227A1
A wind turbine comprises a wind harvesting system with mobile air gates that harvest and funnel wind from all directions into the turbine, and a floating support system that eliminates the friction produced by bearings and moving mechani...  
WO/2011/007965A2
The present invention relates to a wind generator, and more particularly, to technology that can improve the reliability of equipment by cooling a rotating shaft and permanent magnets installed in an auxiliary generator, or a generator a...  
WO/2010/051800A3
The apparatus is used to convert flowing air or water flows into a rotary motion to produce energy in the form of electric power, air pressure and the like for further use. The respective flow pressure is simultaneously captured by two o...  
WO/2011/006284A1
A vertical wind power generator comprises a tower column (1), at least one generator unit (2), at least two blades (3), an excitation control device (16), a rotation rectifying device (161), a bidirectional frequency converter (15), flan...  
WO/2011/008179A2
Vertical axis turbine having more than one opposite blades, consists of a vertical axis (3) rotating on a constant shaft (4) and full blade modules (10) connected to the blade shafts (5) which are positioned to the axis vertically. At th...  
WO/2010/115832A4
A windmill which comprises a rotor and a frame for rotatably supporting the rotor for a rotation around an axis. The rotor defines opposite ends and comprises a number of blade sections which extend between the opposite ends and define a...  
WO/2010/071850A3
New aerodynamically improved rotors for use in vertical axis wind turbine (VAWTs) are disclosed. In some examples, the VAWT rotors include one or more blades with an aerodynamic front shape with low drag coefficient and a blunt or concav...  
WO/2011/005141A1
The invention pertains to the field of wind power engineering, and relates to a wind energy machine that comprises a reactive radial maximum-pressure turbine. The turbine is made in the form of a rigidly mounted disc on which are secured...  
WO/2010/134690A3
The present invention relates to a rotating assembly for a vertical-axis wind turbine for increasing the output coefficient of the wind turbine, the rotating assembly being connected with a vertical-axis wind turbine (50) which rotates o...  
WO/2011/001375A1
A system for generating electrical and thermal energy with photovoltaic cogeneration is described that generates electrical and thermal energy from wind energy and solar energy. The invention consists of a compact, easily-transported mod...  
WO/2010/101796A3
A fluid driven electrical generation system with most of the electrical generation components in an inner hollow of a housing that is driven to rotate by trapper structures that trap energy from the fluid.  
WO/2011/001401A1
The present invention provides for a novel rotor section of a vertical axis wind turbine by having at least one flexible helically twisted blade. The blade includes at least two fins (F 1, F2) joined along the vertical longitudinal axis....  
WO/2010/151060A2
The present invention relates to a wind power generator using a funnel, capable of continuous optimal power generation by controlling precisely the amount of wind flowing into a funnel and an air bypass supply means. The wind power gener...  
WO/2010/148443A1
A vertical axis wind turbine module (10) adapted to rotate about a vertical axis, the module including; a rotor (14) having a plurality of turbine vanes (16), the rotor being adapted to be rotated about the axis by a driving force exerte...  
WO/2010/148847A1
A wind driven power generating mechanism is provided with a bracket (10), a rotating device, a seat, two fan blade main bodies (20) and an air guide plate (17). The rotating device is disposed on the top of the bracket (10). The seat is ...  

Matches 1,151 - 1,200 out of 4,775