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Matches 701 - 750 out of 4,708

Document Document Title
WO/2012/138129A3
The present invention relates to a vertical wind-power generating apparatus having movable blades. The vertical wind-power generating apparatus comprises a vertical shaft unit; a blade unit which applies rotating force generated by wind ...  
WO/2012/117272A3
An apparatus for extracting fluid motion energy, comprising one or more blades. Each blade comprising one or more vanes. Each vane having an exposed area. The exposed area when impinged by fluid motion, that is generally in the direction...  
WO/2013/033326A1
A wind turbine or windmill blade for attachment to a hub of a wind turbine or windmill wherein the angle of the leading edge of the blade is within 20 degrees of an angle of apparent wind and the angle of apparent wind is equal to the ar...  
WO/2013/029183A1
A turbine blade assembly comprises three scoop-shaped blades, each blade attached to the two other blades. Each scoop-shaped blade has a diameter mid-point defined by a vertex of an outer equilateral triangle and a radius that is one-hal...  
WO/2012/127218A3
The present invention relates to a turbine apparatus (1) for locating in a fluid in which the fluid flows in at least one direction. The turbine apparatus (1) includes a turbine shaft (3) and a plurality of movable blades (5) that are ci...  
WO/2013/026127A1
Each vane on a cross-wind turbine rotor is airfoil-shaped in cross section orthogonal to the axis of rotation of the rotor. Each vane has a radially outermost surface, which is radially outermost relative to the axis of rotation, and an ...  
WO/2013/026637A1
The invention relates to a flow converter for recovering energy, comprising a housing (10) and a rotor (20) that has a plurality of blades (23, 25, 31) which run in the radial direction of the rotor (20), said rotor (20) being rotatable ...  
WO/2012/078935A3
A wind turbine includes a plurality of pivot shafts that are in paired parallel relationship and engaged to a central drive shaft, each pivot shaft supports a wing. Each pivot shaft rotates cyclically through 90° to move each wing from ...  
WO/2013/027017A1
A rotary blade array (11) has multiple, separate and independent, freedoms of rotational motion, such as to allow blade rotation about one transverse or horizontal axis (12) in conjunction with blade rotation about another orthogonal upr...  
WO/2012/136175A4
The invention relates to a Savonius rotor with a vertical rotational axle (3). A cover and a base plate enclose at least two aerofoils that are diplaced radially outwards along a diametrical and simultaneously vertical section and in add...  
WO/2012/128539A9
The present invention relates to a curtain-suspension-type power-generating apparatus in which generator bodies, i.e. turbines using the force of the wind, are vertically and densely suspended from upper and lower wire ropes connected in...  
WO/2013/024367A1
The present invention relates to the field of wind power, and can be used in wind-power-operated plants for producing energy, primarily electricity. The wind power generator contains a rotor on a vertical axis of rotation, said rotor bei...  
WO/2013/025568A2
A method for providing potential flow elements including a vortex to capture rotation of a turbine, a dipole to capture a blockage effect of the turbine, a sink to capture extracted energy from wind by the turbine, and a source to captur...  
WO/2013/023625A1
A wind turbine with a vertical rotational axis, including at least one rotor and power generator, with a rotor (1 ) comprising a hollow hub (5) in the shape of a spherical cap with vanes (6) mounted onto it as hollow bodies with a horizo...  
WO/2013/024515A1
The purposed of the present invention is to provide a hybrid generation-type streetlamp in which a highly durable streetlamp is provided and electricity can be stably generated by wind power, and which also offers efficient utilization o...  
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...  
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...  
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 (...  
WO/2013/020595A2
The invention relates to a windpower machine for offshore use and for applications on buildings, on vehicle roofs, in ship masts and lamp posts inter alia, wherein embodiments are possible for different power ratings and said windpower m...  
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.  
WO/2013/016796A1
The present invention relates to an electric energy generator that uses wind energy as the energy source, transforming the wind energy into electric energy. The aim of the present patent is to provide an electric energy generator driven ...  
WO/2013/015758A1
The invention relates to wind power engineering and can be used for producing electrical energy. The wind turbine comprises working members which are fastened to a supporting member disposed on a generator shaft and which are in the form...  
WO/2013/014848A1
Provided is a vertical axis type Magnus wind turbine generator which has high electric power generation efficiency and which can be easily controlled. A vertical axis type Magnus wind turbine generator comprises: a wind wheel section (2)...  
WO/2013/015721A1
The invention relates to lighter-than-air aircraft. The aircraft is in the form of a rigid body and a sectional, channeled wind power assembly comprising generators, a wind impeller with a horizontal axis of rotation and storage batterie...  
WO/2013/016593A1
A system and method for efficient wind power generation is provided. The system includes a shaft that rotates around a vertical axis, a plurality of blades, and a plurality of arms that couple the blades to the shaft. The blades are conf...  
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...  
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...  
WO/2012/065234A3
Universal vertical turbine moved by wind, water flow (in rivers), sea currents and waves which consists of a base (support) 1. where the main shaft is located 2. which is placed vertically. On the main shaft are lined up hollow shafts 3....  
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...  
WO/2013/005099A1
An HMSWT is disclosed which is constructed of successive cage type turbine assemblies. The multiple turbine assemblies are preferably induced into a reverse rotational movement from one another in a coupling effect. A first turbine assem...  
WO/2012/147108A3
A portable wind power generator comprises a wind turbine (14, 41) rotating in a cylindrical wind tunnel body (5) and capable of generating high output power by accelerating wind flow. The blade surface of the turbine (14, 41) is partiall...  
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...  
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...  
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...  
WO/2012/174864A1
An eccentric ring wind power mechanism comprising several wind board assemblies (13), a connection driving assembly (14), and a movable round ring (16) capable of moving in the horizontal direction. The end portion of the inner side of t...  
WO/2012/137028A3
A multi generator VAWT. The main purpose of this invention is to supply cheaper wind powered electricity from a safe, simple and versatile device. I will attempt to describe the VAWT with reference to the accompanying drawings. The gener...  
WO/2012/175078A1
The invention relates to an apparatus for using flow energy, in particular wind energy, having elements (102) with surfaces against which there is a flow, which elements (102) can be moved in a circulating fashion on a closed path (103) ...  
WO/2012/176048A2
In an improved, high-performance, vertical-axis aerogenerator comprising three aerodynamic members the solidity, the configuration of the aerodynamic members relative to the rotary axis and the profiles of the aerodynamic members are opt...  
WO/2012/128539A3
The present invention relates to a curtain-suspension-type power-generating apparatus in which generator bodies, i.e. turbines using the force of the wind, are vertically and densely suspended from upper and lower wire ropes connected in...  
WO/2012/175914A1
A method and apparatus to continually align the blades of a vertical axis wind turbine to take into account differences in wind speed and resultant forces thereby exerted on the structure by separately varying the resistive load on each ...  
WO/2012/148082A3
The present invention relates to a multipurpose rotary device and a generating system including same, and more particularly, to a multipurpose rotary device and a generating system including same which are capable of producing highly eff...  
WO/2012/105759A3
Disclosed is a wind power generating apparatus having a wind guide, wherein the wind guide is formed into a flared tunnel at a wind inlet port for the inflow of wind such that the wind guide is arranged at an inner surface of the wind in...  
WO/2012/172349A1
There is provided an apparatus comprising a frame supporting a wind turbine and supporting a receiver and / or transmitter device, wherein the frame comprises an air intake adapted to direct air towards the wind turbine.  
WO/2012/136175A3
The invention relates to a Savonius rotor with a vertical rotational axle (3). A cover and a base plate enclose at least two aerofoils that are diplaced radially outwards along a diametrical and simultaneously vertical section and in add...  
WO/2012/172022A1
The invention relates to a braking device for a wind turbine (10) having a vertical axis (20), including a flap (30) capable of rocking about a rocking pin (40), said flap (30) having a center of gravity (50) that is positioned outside t...  
WO/2010/134113A3
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/2012/172443A1
The invention is a wind plant (1, 2) with vertical or horizontal main axis (X1, X2), in which the revolution of the blades (P) of each module (B) around said main axis (X1, X2) caused by the wind makes each blade (P) rotate around its ow...  
WO/2012/168499A1
The invention relates to a pergola intended for the rooftop of a building and for attachment of a wind generator, which includes a plurality of adjustable support columns (1), on the lower ends of which are hollows into which can be inse...  
WO/2012/164140A1
The invention relates to a wind engine that includes a post (1), tower or other supporting element, a lower base (2) that supports at least a pair of shafts (4, 5), at least one rotor (6) that is placed on each of the shafts (4, 5), a me...  
WO/2012/093896A3
The present invention relates to a power generating device having a low-resistance wind inductive unit, and more specifically, the invention enables the wind to pass through a wind induction unit regardless of the blowing direction of th...  

Matches 701 - 750 out of 4,708