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Patent Searching and Data


Matches 301 - 350 out of 752

Document Document Title
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...  
WO/2011/019094A1
The present invention relates to a power generator using a fluid pipe. The power generator is detachably coupled with a fluid pipe for generating power using fluid, which flows along the edge of the fluid pipe. According to the present i...  
WO/2010/031853A3
A generator for generating energy comprises a structure having a longitudinal axis. A drive shaft is movable by an external force, the drive shaft being arranged to move in a first plane which is substantially perpendicular with respect ...  
WO/2010/150032A3
The object of the invention is an energy conversion device for converting the energy of a flowing medium into alternating kinetic energy. The device has a housing with a wall arranged to form a bounded flow space through which the flowin...  
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/2011/017594A1
A linearly translating set of aerofoil blades guided along rigid supporting columns that build up hydraulic energy by drawing hydraulic working liquid from a low pressure reservoir and pushing it into a high pressure accumulator through ...  
WO/2010/129124A8
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/2011/005007A2
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/2010/102005A3
Looped AirFoil Wind Turbine (LAWT) (10) is a novel wind turbine with a basic system of a triangular structure (14) utilizing both lift and drag aerodynamic forces produced by wind energy. The entire triangular structure (14) could either...  
WO/2010/015720A3
A solution for generating energy from a fluid flow (105) is proposed. A corresponding energy generation system (100;500;600) includes energy conversion means (120;520), sail means ( 130;530a,530b) switchable between an active condition f...  
WO/2010/143214A1
An offshore infrastructure for tropospheric aeolian generator is described, which comprises at least one floating platform (1) able to host a tropospheric aeolian generator (2) driven by tethered kites (3) and at least one mooring line (...  
WO/2010/012888A3
Electricity generator that generates electricity from a moving fluid, comprising a duct delimited by two end plates (1) between which there is positioned a membrane (5) so that it can be subjected to the action of a flow of fluid enterin...  
WO/2009/147692A3
An infrastructure for tropospheric aeolian generator is described, which comprises a rotary basement (1), at least one orientable arm (2), at least one ventilation plant (3), at least one system (4) for supporting at least one wing (7), ...  
WO/2010/009434A3
A power generation system (20) including an airborne electricity generator (30), a tether assembly (40) configured to carry electricity from the generator to land, the tether assembly having a first end portion (42) coupled to the genera...  
WO/2009/130323A3
Wind turbine, blade for a wind turbine, segment for a blade for a wind turbine, method for the production and assembly of a wind turbine. Wind turbine with a tower and blades and a vertical rotational axis. The wind turbine is provided w...  
WO/2010/134809A1
System for generating energy from a streaming fluid, in particular water, having a mean streaming direction, comprising a generator and an assembly arranged to be entrained in the streaming fluid and which is moveably connected to a fixe...  
WO/2010/110697A3
The wind power plant comprises at least one wind generator, consisting of blades that extract wind energy and at least one electromechanical converter that is connected to said blades. The wind generator blades are secured in such a way ...  
WO/2010/129124A2
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/2010/124658A1
A pressure-reducing gas storage device includes a gas storage container having a gas inlet for receiving compressed gas and a gas outlet for outputting gas, and a first heat-exchange device (40) for heating the gas inputted into the gas ...  
WO/2010/122292A2
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/2010/062788A3
A direct current brushless electric machine is described that comprises a sequence of permanent magnets where the N and S magnetic poles being alternately arranged adjacent to each other, each exerting a magnetic field; phase coils are c...  
WO/2009/115253A3
The invention relates to wind power plants, wherein an airfoil, using side rudders bringing about independent alignment of the airfoil to the wind direction, periodically slides upward or downward due to the wind force in an upward or do...  
WO/2010/110697A2
The wind power plant comprises at least one wind generator, consisting of blades that extract wind energy and at least one electromechanical converter that is connected to said blades. The wind generator blades are secured in such a way ...  
WO/2010/106382A2
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/2010/101456A2
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/2010/102005A2
Looped AirFoil Wind Turbine (LAWT) (10) is a novel wind turbine with a basic system of a triangular structure (14) utilizing both lift and drag aerodynamic forces produced by wind energy. The entire triangular structure (14) could either...  
WO/2010/098648A1
The invention relates to wind turbines and is used for converting wind energy into energy that is useful to the national economy. The pendulum wind turbine comprises a blade in the form of a blade pendulum comprising a blade and a pendul...  
WO/2009/110997A3
An oscillating windmill (10) having the ability to generate electrical power by mechanically capturing the power of the wind. The oscillating windmill (10) utilizes a rigid mast having a plurality of vanes (12) rotatably coupled about an...  
WO/2010/084520A1
A rope (3) is described for a tropospheric aeolian generator (1) composed, in length, of at least one first sector (4) adapted to resist to repeated flexure cycles, having a safety coefficient (S1), a diameter D(b1) and an aerodynamic re...  
WO/2010/077150A1
The invention in question concerns a device for conversion of the kinetic energy of air and water streams into usable energy forms. The device is shaped like the cross-section of an aerofoil with components (2, 4) that create low pressur...  
WO/2009/130572A3
System for generating electrical energy comprising a blade (2) adapted to be moved along random directions due to the movement of a fluid. Such system comprises means for transmitting the movement of the blade to a magnetic force device ...  
WO/2010/066156A1
A rotary vane variable-diameter device includes a transmission device (2) which is mounted on a vane bracket device (1), wherein the transmission device (2) includes a transmission part (200) and a rotating part (210). The transmission p...  
WO/2010/060911A1
A wind power generator, composed of at least one pair of supports (2a, 2b), which optionally can rotate and tilt, each for a shaft (16a, 16b) having a vertical axis to which at least two pulleys (17a, 17b, 17c, 17d) are keyed which are a...  
WO/2010/062788A2
A direct current brushless electric machine is described that comprises a sequence of permanent magnets where the N and S magnetic poles being alternately arranged adjacent to each other, each exerting a magnetic field; phase coils are c...  
WO/2010/053389A2
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/2010/020263A3
The invention relates to an aerodynamic wind propulsion device, particularly for watercrafts, comprising an aerodynamic wing being connected to a steering unit located below the aerodynamic wing via a plurality of tractive lines, a tract...  
WO/2010/037335A1
A sailboat typed above-water wind power generator includes a main shell body (1), a plurality of floating sails (2), a power arm (3) and a generating device (4), wherein the main shell body (1) is on the centre and is connected with the ...  
WO/2009/083486A3
In a method for converting kinetic energy contained in naturally occurring horizontal flows occurring in fluids accumulated above ground into useful mechanical energy, in which at least one circulating element guided in a closed cycle (U...  
WO/2010/027774A1
A reaction energy harvester capable of providing motion from fluid flow, including a foil/wing capable of being rotated to present the foil/wing so that the maximum lift is generated. The lift is created by the fluid flowing past the foi...  
WO/2009/142979A3
An airborne system (10) for producing electricity from wind energy includes a shaft (12), at least two turbines (16, 18) rotatably mounted to the shaft (12) and arranged to rotate independent of one another and in opposite directions whe...  
WO/2009/022979A3
The invention relates to a wind-power unit having a kite (1 ) having a line (3), which is connected with a generator (2) in a ground station. Control means (4, 7) are arranged to set the position of the kite (1 ) in relation to the wind ...  
WO/2010/020263A2
The invention relates to an aerodynamic wind propulsion device, particularly for watercrafts, comprising an aerodynamic wing being connected to a steering unit located below the aerodynamic wing via a plurality of tractive lines, a tract...  
WO/2010/017630A1
A system for generating electricity from wind power having a kite member, having a variable air surface, a plurality of control cables extending between the kite member and a ground station, the ground station having a main mast, the mai...  
WO/2010/015720A2
A solution for generating energy from a fluid flow (105) is proposed. A corresponding energy generation system (100;500;600) includes energy conversion means (120;520), sail means ( 130;530a,530b) switchable between an active condition f...  
WO/2010/015821A2
An apparatus for generating power from a fluid stream flowing along a stream bed, comprising a base, the base comprising a lower face for resting on the stream bed; a foil arm pivotally connected to the base; and, a foil pivotally connec...  
WO/2010/012888A2
Electricity generator that generates electricity from a moving fluid, comprising a duct delimited by two end plates (1) between which there is positioned a membrane (5) so that it can be subjected to the action of a flow of fluid enterin...  
WO/2010/009434A2
A power generation system (20) including an airborne electricity generator (30), a tether assembly (40) configured to carry electricity from the generator to land, the tether assembly having a first end portion (42) coupled to the genera...  
WO/2009/126337A9  

Matches 301 - 350 out of 752