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Matches 1,051 - 1,100 out of 4,774

Document Document Title
WO/2010/150084A3
A vertical axis wind turbine comprising a main wind blade with one or more blade(s), at least one connecting arm, attached to main blade and an abutment of connecting arm arranged with axle hole of wind rotor shaft, wherein, a main blade...  
WO/2011/031245A4
The present invention relates to a vertical axis wind turbine generator comprising one turbine. The turbine comprises a plurality of V-shape longitudinal cup type blades mounted horizontally in one or more circulars around a rotor to rec...  
WO/2011/090729A2
An apparatus and system for increasing power output for wind energy generation through a diffusing mechanism. An apparatus and system for mixing the wake and external flow, thereby permitting increasing mass-flux for wind energy generati...  
WO/2011/088377A2
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 ...  
WO/2011/086606A1
A blade wheel provided with a rotating shaft and a rotating blade which is connected to the rotating shaft and disposed on a circle centered on the rotating shaft, the rotating blade being disposed in such a manner that the blade length ...  
WO/2011/085615A1
A blade angle automatic regulating device includes a rotating frame (4), the outer side of which is pivoted with the back of a blade (1) and the inner side of which is connected to a blade supporting disc (5); a power device coupled with...  
WO/2011/088042A1
Wind turbine rotors (12, 80, 90, 212) and wind turbine blades (20, 82, 92, 220) having the startup capability of a drag-type turbine and the increased tip speed of a lift-type turbine are provided. The rotor (12, 80, 90, 212) includes a ...  
WO/2010/150083A3
A vertical axis wind turbine characterized in an external rotor generator comprising an external rotor generator and wind turbine arranged on the external rotor generator.  
WO/2011/086406A2
The present invention relates to a fitting for a wind turbine, comprising a deflecting wall (2) and an open portion (3) shaped as a Venturi tube (4), which can be mounted onto a vertical-axis wind turbine comprising such a fitting, and t...  
WO/2011/088372A1
Structural preform layers (300a, 300b, 400) of multiple rigid unidirectional strength elements or rods (202, 402) are constructed and arranged for use in fabricating load-bearing support structures and reinforcements of wind turbine blad...  
WO/2011/028067A3
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/2011/083236A1
The invention relates to a wind turbine, in particular having a vertical axis and set up on the last floor (2) of a residence (1), in particular in an urban area, said wind turbine having a rotor that is provided with blades and actuated...  
WO/2011/084432A2
The present invention relates to generating power using wind energy. According to some aspects, the invention uses a passive device to capture wind, and accelerate the wind toward off- the-shelf turbines and other fan blades to generate ...  
WO/2011/084154A1
A device to convert the kinetic energy of wind into kinetic energy in the form of a rotating mass (Fig.9) and to then selectively harvest and convert the kinetic energy of the rotating mass into electrical energy using both permanent mag...  
WO/2011/034361A3
The present invention relates to a rotor structure for a fluid-power-generating system having a vertically arranged rotating shaft, which can improve rotation efficiency without being influenced by the direction of the flowing gas or flu...  
WO/2011/040790A3
The present invention relates to a fan generator system for providing a fluid-based torque force, in connection with a rotor of a generator. A first fan assembly comprises a primary rotational shaft, and primary blades installed on the p...  
WO/2011/083888A1
Disclosed is a variable fin assembly including a fin having a planar structure. The other portions of the fin aside from a fixed end are rotated or deformed, from the original positions of said other portions about said fixed end within ...  
WO/2011/083345A2
The invention refers to a wind generator of electrical current production with a vertical axle and inhibition overspeed laps. the wind generator is setted on a steady duct on the upper place of which there is a thrust bearing. There are ...  
WO/2011/037870A3
A vertical axis wind turbine having a vertical rotating axle and a plurality of blades each attached to an upper portion to the rotating axle and at the bottom portion to a convex base dome attached to and rotable with the vertical axle....  
WO/2011/055913A3
The present invention relates to a wind power generator which can improve the performance of a battery and/or a storage battery for a vehicle. The wind power generator comprises: a cylindrical accommodating member which has a cutout hole...  
WO/2011/081248A1
Disclosed is an air-focusing apparatus which includes, on the side opposite the side facing a wall surface to which the air-focusing apparatus is to be attached, a wall in the width direction thereof, and a focusing tube in the length di...  
WO/2011/078450A1
The present invention relates to a wind power generator for converting rotation force generated by wind into electric energy. A wind power generator according to an embodiment of the present invention comprises: a generator for convertin...  
WO/2011/017508A3
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/2011/075938A1
Disclosed is a wind power generating device, which includes a wind receiving portion (50) composed of a frame (54) and a wind sail (52) fixed on the frame (54), a rotary shaft (40) fixing the wind receiving portion (50), a connecting pie...  
WO/2011/078876A1
A fluid turbine comprising a rotor, having an axis of rotation, comprising at least two rotor blades disposed at a radius from the axis of rotation, each rotor blade having a pitch axis and a variable pitch angle. The fluid turbine compr...  
WO/2011/075833A1
Wind turbines extract kinetic energy from a wind flow. Various types are known in the art, and the efficiency of these machines is dependent in part upon the design of the integral blades that are exposed to the wind. Disclosed are wind ...  
WO/2011/078435A1
The present invention relates to a wind generator. An embodiment of the present invention provides a wind generator comprising: an outer rotor that includes a circular top shield plate and a lateral shield plate disposed at one side and ...  
WO/2011/078451A1
The present invention relates to a rotor for wind power generation which converts the rotational force generated by the wind into electric energy, and to a wind power generator including same. A rotor for wind power generation according ...  
WO/2011/073679A2
A furling mechanism for a sail (2) of a vertical axis turbine, the furling mechanism comprising: first and second elongate furling spars (8, 10) attachable to first and second edges (4, 6) of the sail (2); wherein each of the first and s...  
WO/2011/073588A2
The present invention relates to a rotor element (1) for a power generation system (6; 60), which includes: a shaft (2); a plurality of identical blades (3; 30) attached to the shaft (2), characterised in that: each blade (3; 30) is made...  
WO/2011/072402A1
Multi-purpose vertical axis wind turbine.  
WO/2010/128390A3
A vertical axis turbine and method of making same is disclosed. The device and method comprise a plurality of blades rotatably disposed around an axis of rotation at a plurality of blade locations, each blade being twisted at a first ang...  
WO/2011/074278A1
In absolute terms, there is a global shortage of energy. Petroleum-caused global warming and air pollution are worsening, causing climatic anomalies in every corner of the world. With large rotating blades, the provided combined tidal/wi...  
WO/2011/022535A3
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/2011/071271A2
The present invention relates to a flow rate control apparatus for a wind power generator including an air duct, an emergency vent outlet, and an auxiliary duct. The flow rate control apparatus comprises: an on/off valve installed at the...  
WO/2011/069238A1
A vertical axis wind turbine and vertical axis wind turbine assembly comprising a rotary body and a plurality of blades. A cross section through each blade of the plurality of blades transverse to the rotary axis comprises an inner cambe...  
WO/2011/042687A3
Embodiments of the invention relate to a rotor system, particularly for use in a wind turbine generator system. A support (11) is provided having first and second rotating members (12, 13) coupled thereto, the rotating members being able...  
WO/2011/025459A8
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/2011/066677A1
A universal wind and hydraulic engine is set vertically or horizontally. Two ends of a blade wheel shaft (2) are set in shaft seats (3) of a firm frame (1) and can be connected with a generator. The blade wheel shaft (2) is connected wit...  
WO/2011/065897A1
The invention concerns a wind-power unit with vertical shaft having a wind turbine (2) having a vertical turbine shaft (3). A tower (1) supports the wind turbine (2) and a generator (8) is arranged at the lower end of the tower (1). A un...  
WO/2010/125599A3
The present invention relates to a rotor (3) blade (2) with aerodynamic flow static diverter (1), in particular blade (2) for vertical axis aeolic rotor (3), characterised in that said aerodynamic flow static diverter (1) is fixedly coup...  
WO/2010/143921A3
Disclosed is a wind energy conversion device. The wind energy conversion device comprises a rotating blade section formed with rotating blades in the longitudinal direction of a rotating shaft to be rotated by external wind; and a cover ...  
WO/2011/003589A3
The invention relates to a device for converting wind energy by way of a vertical axis rotor (1) comprising a plurality of substantially vertical blades (5) arranged consecutively in a circumferential direction, said blades rotating abou...  
WO/2010/088890A3
The invention relates to an apparatus for utilizing kinetic energy of a flowing medium, having support disks (2) that are mounted about a rotational axis (6) and are axially spaced apart from each other, having pressure surfaces (3) whic...  
WO/2011/065720A2
The present invention relates to a tilting rotor blade system for a vertical wind turbine, comprising: a track housing, which is installed in an independently rotating manner with respect to a vertical axis to freely rotate in the wind's...  
WO/2011/060515A1
The present invention relates to a system that allows kinetic wind energy from the movement of air caused by the movement of underground trains (subways) in railway tunnels to be utilized, wherein the air movement speed (wind) is transfo...  
WO/2011/062345A1
The present invention relates to a ship having a wind power generator, comprising: a structure installed on a deck on an upper surface of the ship; a wind-collecting tower which is spaced apart from the structure, and which is installed ...  
WO/2011/061558A1
The objective is for a vertical wind turbine which due to the inducer and nozzle ring can operate in winds which vary in direction and speed. The large cross sectional area of the inducer makes it possible to make the turbine smaller due...  
WO/2011/061774A1
A current-generating self-supported aerial apparatus for high- altitude winds is described, which comprises: a fuselage (1) on which two pairs of wings (2, 2b) are assembled, one wing on the front side and one wing on the rear side of th...  
WO/2010/106337A3
A turbine assembly (10, 90, 100, 200) comprising, a rotor (20) having a plurality of blades (30), and a shroud (40) at least partially enclosing the rotor (20) and adapted to expose a portion of the rotor (20).  

Matches 1,051 - 1,100 out of 4,774