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Matches 251 - 300 out of 747

Document Document Title
WO/2012/016319A1
The present disclosure is directed at a method and system for harnessing wind energy using a tethered airfoil. During a traction phase, wind is allowed to extend a kite tether. Wind energy that is harnessed through extension of the kite ...  
WO/2011/112318A3
A wind power system including a first pulley, a second pulley spaced from the first pulley, a continuous loop structure engaged with the first and second pulleys, a plurality of airfoils fixedly connected to the continuous loop structure...  
WO/2011/142682A3
The present invention proposes a process involving the use of at least one, preferentially several non-tethered airships of at least one type, at least carrying one solar energy unit (SEU) and/ or one wind energy unit (WEU) for carrying ...  
WO/2012/005703A1
A system for generating power by harnessing high altitude wind consists of a flying frame, a generator mounted on the ground and a group of ropes (A, B, C, D) connecting frame and generator. The flying frame looks like a kite containing ...  
WO/2012/000105A1
An apparatus for extracting energy from a fluid flow including a secondary fluid channel, a fluid driveable generator unit and a primary fluid channel. The primary fluid channel comprises a fluid intake in fluid communication with a thro...  
WO/2012/002607A1
The present invention generates power using tidal range, and comprises: a tide water hydraulic power generation device provided with a buoyancy body for generating buoyancy to enable floating thereof; a center shaft that is attached to a...  
WO/2011/158031A1
An apparatus (10) for generating electrical power from wind energy (20) comprising: means (22) for forming at least two discrete jets of air (24) from an oncoming wind (20); a conduit (16); and at least one wind electricity turbine (14) ...  
WO/2011/121557A3
Actuating system for controlling the flight of a power wing profile or kite controlled via at least two cables (8) for conversion of wind energy into electrical or mechanical energy, comprising a first unit (11, 12) for exerting an actio...  
WO/2011/142682A2
The present invention proposes a process involving the use of at least one, preferentially several non-tethered airships of at least one type, at least carrying one solar energy unit (SEU) and/ or one wind energy unit (WEU) for carrying ...  
WO/2011/140410A1
A shrouded fluid turbine includes an impeller and a turbine shroud surrounding the impeller. The shroud includes alternating inward and outward curving elements that form mixing elements on a trailing edge of the turbine shroud. The inwa...  
WO/2011/134758A2
The turbine (T) of the invention comprises at least one rotor (2) which can rotate in connection with at least one base (3); at least one blade (1) which rotates said rotor (2) by fluid flow (F). Said blade (1) has such a form that it ca...  
WO/2011/081307A3
The present invention relates to an air turbine assembly for a wind-collecting tower wind power generator. The air turbine assembly comprises: a tubular case connected to a pipeline through which wind blows, said pipeline being connected...  
WO/2011/121557A2
Actuating system for controlling the flight of a power wing profile or kite controlled via at least two cables (8) for conversion of wind energy into electrical or mechanical energy, comprising a first unit (11, 12) for exerting an actio...  
WO/2011/112318A2
A wind power system including a first pulley, a second pulley spaced from the first pulley, a continuous loop structure engaged with the first and second pulleys, a plurality of airfoils fixedly connected to the continuous loop structure...  
WO/2010/053389A3
The subject of invention is a method of receiving energy from preferably synthetic ropes to which are fastened hang-gliders and kites with large surfaces, which, rising alternately, drive electrical generators, and a wind power plant. Wh...  
WO/2011/065656A3
The present invention relates to an apparatus for converting kinetic energy of a fluid into rotational kinetic energy, comprising a support (102) installed either on the ground or on a float (101); a waterwheel-shaped rotating body (100)...  
WO/2011/100860A1
A wind-power driving device with laterally rotating fan blades is provided, wherein the laterally rotating fan blades are provided with at least one fan blade main body. The fan blade main body has at least one surrounding transmission p...  
WO/2011/065720A3
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/2011/046676A3
Systems and methods to generate power using wind and controlled air movement and related structures to more cost effectively produce energy and protect system components.  
WO/2011/050294A3
An energy harvesting device is described that is configured to generate electricity from a moving fluid. The energy harvesting device comprises, in one embodiment, an oscillator element and an energy converter that converts the vibration...  
WO/2011/090453A1
The invention relates to the field of energetics and can be used for converting the kinetic energy from a moving stream of fluid medium, such as wind or water, into useful work. In the method for converting the kinetic energy from a stre...  
WO/2011/023166A3
The invention relates to a device for transmitting energy between a flowing medium and a crankshaft (1), on which a motor or generator is arranged, wherein the device comprises an oscillating bearing surface (35), which is rigidly fasten...  
WO/2011/085432A1
The present invention discloses an endless loop generator in which blade assemblies (4) travel around an endless loop (2, 208). The endless loop is mounted (9) for rotation to track changes in wind direction with the longitudinal axis of...  
WO/2011/025343A3
The present invention relates to a balloon wind gathering type power plant, which comprises: a levitation balloon having a penetration section formed with a wide inlet and a narrow outlet; a wind turbine mounted at an upper end of the pe...  
WO/2011/084097A1
An energy converter for converting wind energy into movement, comprising a first support (11); a second support (12); and a wind element (10) connected between the supports (11, 12) such that it is capable of moving the first support (11...  
WO/2011/081307A2
The present invention relates to an air turbine assembly for a wind-collecting tower wind power generator. The air turbine assembly comprises: a tubular case connected to a pipeline through which wind blows, said pipeline being connected...  
WO/2010/122292A3
Apparatus for converting wind energy into another form of energy, such as electrical energy, is provided with at least two steerable kites (15, 16) on respective tether lines (17, 18) and having respective control means (40) controlling ...  
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/2011/076195A2
The invention relates to a device for using flow energy, in particular wind energy, comprising elements (2) that have incident-flow surfaces (1) and that are guided so as to circulate on a track at a distance to each other, wherein a rot...  
WO/2010/129124A3
In accordance with an embodiment of the invention, there is provided a system for power generation from a fluid, such as air or water. The system comprises a rail tether, and a working umbrella movably mounted to the rail tether such tha...  
WO/2011/065656A2
The present invention relates to an apparatus for converting kinetic energy of a fluid into rotational kinetic energy, comprising a support (102) installed either on the ground or on a float (101); a waterwheel-shaped rotating body (100)...  
WO/2010/106382A3
The present invention relates to a wind power plant, which is an un-tethered autonomous flying device. This device, according to need, temporarily stores the energy harnessed from the wind, and later on forwards it to a receiver ground-s...  
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/2011/062346A1
The present invention relates to a wind-collecting tower for a wind power generator, comprising a cylindrical wind tunnel which stands upright on a base, and which has a circumferential surface with a plurality of wind inlet ports for in...  
WO/2010/101456A3
The invention relates to a light floating flue consisting of a wall of fibre-reinforced film which rotates about its axis to balance the reduced pressure in the flue with the centrifugal force on the gases in the flue and with the flue w...  
WO/2010/080043A3
An energy system (10, 50) includes a spatially-collocated synergistic combination of different types of energy sources for obtaining more economical electricity generation in an off-shore or on-land environment. Optionally, the system (1...  
WO/2010/076219A3
The invention relates to a wind power plant having a Magnus rotor, a bearing unit enabling rotation of the Magnus rotor about the longitudinal axis thereof, and a drive unit that drives the Magnus rotor. In order to provide a wind power ...  
WO/2011/050754A1
A winding wing chain bar device (1) for a wing panel (8) in a rotary wing power device comprises a wing panel fixing end rod (4), a tooth-shaped device (2) and a wing chain device (3). The tooth-shaped device (2) is mounted on the wing p...  
WO/2011/047546A1
A wind generator with a water float sail includes a pond or a circular water tank containing liquid, a water float running system which can rotate in the pond or the circular water tank under the drive of wind and which includes a water ...  
WO/2011/050294A2
An energy harvesting device is described that is configured to generate electricity from a moving fluid. The energy harvesting device comprises, in one embodiment, an oscillator element and an energy converter that converts the vibration...  
WO/2011/048447A2
A power plant with one or more fluid operated fans, each of which is in communication with a generator, is provided to generate energy. Each generator is in communication with an energy storage device or a power grid to store or utilize ...  
WO/2011/046676A2
Systems and methods to generate power using wind and controlled air movement and related structures to more cost effectively produce energy and protect system components.  
WO/2011/041994A1
The invention relates to a system for generating electrical energy by means of movable masts provided with a sail, in particular for harnessing wind energy and water energy.  
WO/2011/005007A3
The present invention relates to a wind power generator using an automatically foldable canopy. The wind power generator using an automatically foldable canopy according to the present invention comprises: a steel tower unit which is sup...  
WO/2011/033545A1
An anti-kinking transmission and guiding system (1) is described, comprising at least one first and second cable (3a, 3b) running mutually parallel along an axis (X-X) and subtended between a respective winding and unwinding system (5a, ...  
WO/2010/091374A3
A vertical-axis wind turbine and methods for using the same are provided. The vertical-axis wind turbine has a substantially cylindrical rotor assembly having a lower circular frame member and a spaced upper circular frame member and a p...  
WO/2011/025343A2
The present invention relates to a balloon wind gathering type power plant, which comprises: a levitation balloon having a penetration section formed with a wide inlet and a narrow outlet; a wind turbine mounted at an upper end of the pe...  
WO/2010/030895A3
A wind turbine having a frame supporting a pair of rotatable axels, each having a pair of sprockets disposed on opposed ends thereof, the axels being parallel and vertically spaced from one another. Endless chains are deployed about vert...  

Matches 251 - 300 out of 747