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Matches 1,201 - 1,250 out of 4,722

Document Document Title
WO/2010/000007A3
The invention relates to a rotor blade for a Darrieus H rotor. The aim of the invention is to reduce the noise produced by the rotor and to improve its starting properties. The upper and lower ends of the rotor blades are therefore bent ...  
WO/2010/139188A1
A square active-body compressed wind generating apparatus includes a wind turbine (B), a plurality of compressors (A1, A2, A3, A4, A5) for providing compressed wind to the wind turbine (B), a left sail-rudder (8a), a right sail-rudder (8...  
WO/2010/120041A3
The present invention provides a windmill apparatus for a wind power generator, wherein said windmill apparatus has an umbrella-type vertical axis windmill structure comprising: a tower; a rotating body rotatably installed in a nacelle o...  
WO/2010/118517A4
A wind turbine blade including a number of segments attached together end-to-end in a predetermined arrangement so that the respective covering subassemblies of the segments cooperate to form a substantially smooth surface of the wind tu...  
WO/2010/139600A1
The power retractable of a wind power station 1 comprising a Darrieus Rotor 10 with a rotor axis 14 and at least one rotor blade 120, 121, 122 and wind guides 50a to 50p positioned around the Darrieus Rotor 10 to form a wind concentrator...  
WO/2010/137929A1
The windshield means for a wind turbine with vertical axis (A) consists of a cylindrically shaped cover (e) with air inlet and air outlet. The cover (e) protects the back running blades from the wind. The cover (e) can rotate with respec...  
WO/2010/116983A8
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/2010/115832A3
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/2010/135032A1
A vertical wind turbine is provided that includes a support base defined about an axis, a bearing assembly, a drive shaft having a proximal end and an opposing distal end, and a multistage axial flux generator. The bearing assembly inclu...  
WO/2010/134103A2
The present invention relates to a device for the generation of electric energy from renewable sources and, particularly, a wind electric generator. Particularly, the present invention relates to a wind electric generator (1) comprising ...  
WO/2010/134863A1
The invention concerns a section of a carrying column of a wind turbine with vertical shaft. The section is hollow and elongate and comprises a wooden frame essentially of wood. According to the invention, the section has a joint part at...  
WO/2010/133979A1
The present invention refers to a vertical-axis eolic generator (1). The eolic generator subject-matter of the present invention has the innovative feature of being equipped with vanes (3, 4, 5, 6) having a rectilinear longitudinal axis,...  
WO/2010/134113A2
The present invention regards a device for generating electric energy from renewable sources and in particular a wind electric generator. In particular, the present invention regards a wind electric generator (1) comprising at least one ...  
WO/2010/134932A1
A vertical axis wind turbine comprising: a rotatable vertical shaft; a first horizontal shaft rotatably attached to the vertical shaft, and extending on either side of the vertical shaft, the first horizontal shaft having a first side on...  
WO/2010/134690A2
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/2010/130161A1
A method for improving the efficiency of energy extraction of the vertical axis windmill generator's blades and the blade system are disclosed. The blade system comprises: at least two blade sets (201, 202), each of which includes at lea...  
WO/2010/131891A2
The present invention relates to a wind power generator, and more particularly, to a vertical wind power generator configured with blades that are variable according to the wind speed in order to increase power generating efficiency. The...  
WO/2009/132619A3
The invention relates to a device for producing electric energy. At least one generator is coupled to a drive device comprising at least one guide element for transforming energy provided by a flowing medium into a rotational movement. S...  
WO/2010/130315A1
A Savonius rotor is provided for wind energy installations, having a vertical rotation axis (A), wherein the rotor (1) comprises an upper terminating disc (7), a lower terminating disc (5) and two main vanes (9, 11), which extend between...  
WO/2010/101357A3
An aerogenerator of the present invention is superior in aerogeneration efficiency in which a main body rotates according to changes in wind direction to keep vanes facing against wind force. In addition, the aerogenerator includes an ai...  
WO/2010/130082A1
A blade system for a vertical shaft wind power generator has at least two blades (1), a blade shaft (3) is provided above the horizontal balance axis (2) of each blade (1), the distance (H) between the blade shaft (3) and the horizontal ...  
WO/2010/130947A2
The invention relates to a wind turbine including at least one rotor (R), the rotational axis Δ of which is to be oriented perpendicularly to the direction of the wind and that includes at least two blades located at a distance from the...  
WO/2010/128390A2
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/2010/087629A3
The present invention relates to a wind power-generating apparatus, comprising: a housing; a rotation shaft rotatably arranged in the housing; and a blade unit disposed on the rotation shaft. The blade unit includes a vertical blade whic...  
WO/2010/128938A1
According to one aspect of the present invention a vertical axis wind turbine (100) rotatably arranged with respect to a substantially vertical axis (A) and having a plurality of blades (115) distributed circumferentially around said axi...  
WO/2010/128656A1
In a wind turbine device used to drive a power generator or move a mechanical device, a vertical axis wind turbine is provided. In the vertical axis wind turbine, in order to reduce a noise occurring when a strong wind blows, a wind adju...  
WO/2010/126428A1
The invention concerns a wind-power unit having a vertical turbine shaft (6) that is radially mounted in bearings to a supporting pole.According to the invention, the bearing mounting comprises at least one supporting device (13) compris...  
WO/2009/066323A3
The invention is essentially a tangential flow rotor assembly that can function as a turbine or a blower/compressor or a propeller or a combination of these, lts main components are a tangential flow rotor, a rotor rim cover plate (32) e...  
WO/2010/126392A1
The invention relates to electrical engineering and can be used in the production of D.C. generators. In a permanent-magnet generator comprising a rotor and a stator with a winding, which stator is arranged within the rotor, wherein the ...  
WO/2010/124369A1
A wind energy system includes a vertical-axis turbine and a compressor driven by the turbine. The turbine includes blades supported on a central rotor by respective support arms having an airfoil shape so as to generate a load on the rot...  
WO/2010/125599A2
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/2010/124659A1
A wind-electricity motor vehicle comprises a battery (129, 182), a motor (108) with a main power output shaft (120), a wind resistance engine (3, 3'), a drive train (11) and wheels (123). The battery (129, 182) provides the main power fo...  
WO/2010/124692A1
There is provided a device for production of electrical, mechanical or hydraulic energy by using wind or other fluid currents. This is achieved by blocking a portion of the flow through an edge positioned wing (1) alone or in combination...  
WO/2010/077036A3
The present invention relates to a movable rotor blade structure for vertical wind-powered electricity generation. The invention comprises: a blade frame which is provided fixedly on a vertical rotational shaft for wind-powered electrici...  
WO/2010/077035A3
The present invention relates to a windpower amplification and back-resistance elimination device for vertical wind-powered electricity generation. More specifically, a characterising feature of the invention is that, in a rotor blade wh...  
WO/2010/123400A1
The invention relates to the field of wind energy. The wind energy installation comprises at least one energy module (1) with a vertical axis of rotation, which energy module is designed to enable the vertical installation of at least on...  
WO/2010/120182A1
A buoyant wind power station (1) in which a wind turbine (14) is placed on an installation (2), and in which the installation (2) is provided with a stabilizing gyro (22).  
WO/2010/118509A1
A wind powered turbine is comprised of a frame on which is horizontally and rotatably supported a rotor on a rotor shaft. The rotor is formed by three or more radial blade members which are secured to the rotor shaft. The radial blade me...  
WO/2010/118517A1
A wind turbine blade including a number of segments attached together end-to-end in a predetermined arrangement so that the respective covering subassemblies of the segments cooperate to form a substantially smooth surface of the wind tu...  
WO/2010/120041A2
The present invention provides a windmill apparatus for a wind power generator, wherein said windmill apparatus has an umbrella-type vertical axis windmill structure comprising: a tower; a rotating body rotatably installed in a nacelle o...  
WO/2010/116983A1
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/2010/117394A1
Arrangements of turbines are described. The turbines are staggered or aligned in the downwind direction.  
WO/2009/149016A3
A wind driven generator includes a rotor disposed in a cylindrical duct and supported by a frame for rotation in response to wind flowing through the duct. The rotor includes plural circumferentially spaced paralleled rotor blades suppor...  
WO/2010/012278A3
A continuous-flow energy installation having at least one rotor (1) which rotates about an axis (A1) and has rotor blades (2) wherein the rotor has an associated inlet area structure, and the rotor blades and/or the inlet area structure ...  
WO/2009/132348A3
A wind driven generator includes a rotor disposed in a cylindrical duct and supported by a frame for rotation in response to wind flowing through the duct. The rotor includes plural circumferentially spaced paralleled rotor blades suppor...  
WO/2010/093137A3
The present invention relates to blades for a wind power generator, and more particularly, to blades for a horizontal axis wind power generator having a ring-type rim. The ring-type rim of the present invention binds a plurality of blade...  
WO/2009/087288A3
A wind generator comprises a tubular body (10) with an intake opening (OA), an exhaust opening (OE), an exterior surface (12) that creates a reduced pressure, an interior surface (13) that exhibits a convergent portion (T3) connected to ...  
WO/2010/092426A3
An apparatus and method of detecting cracks in wind turbine rotor blades. Conductive paste is used as a conductive strip (20) covering the surface of the blades at locations where it seems most susceptible or inclined to damage. The cond...  
WO/2010/012669A4
In a method for controlling a driving blade (6, 7) with respect to the wind direction, in particular in a wind or water engine with an axis perpendicular to the wind direction, in consecutive cycles of rotation of a frame (1) of the engi...  
WO/2009/098526A3
Device capable of receiving wind (1) through a gap located on the conic- surface (2) with two lids, to be used either to cover the gap by moving them into the same level of the conic-surface or to lift out from that level and use them as...  

Matches 1,201 - 1,250 out of 4,722