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Matches 351 - 400 out of 719

Document Document Title
WO/2009/022979A2
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/2009/012716A1
A wind collecting and pressure-charging wind generating set includes a control system, a generating set (1), a combined wind chamber (7, 9, 10), turbochargers (2), pressure chambers (3), magnet valve nozzles (12), multi layers of impelle...  
WO/2009/003362A1
A blade-rotating vehicle type fluid power machine includes a chain (4) connecting three groups of rotating blade vehicles (5) and rotating blades (5) evenly distributed on circulating track (8), which is composed of two straight tracks a...  
WO/2008/148346A1
A sail windmill includes at least two separated towers, sail frames (20) mounted on each tower, an endless cable (40, 83, 94) connecting adjacent towers, and plural sails (60, 85, 95) having windward angle arranged on the cable. Each sai...  
WO/2008/144938A1
An oscillating-wing mechanism comprises two oscillating wings. A heaving sub-mechanism has an arm being pivotally connected at a central portion to a base with the oscillating wings being connected at opposed ends of the arm by rotationa...  
WO/2008/120257A3
A wind system (1) is described for converting energy comprising at least one kite (2) that can be driven from ground immersed in at least one wind current (W) and at least one module (5) adapted to translate on at least one rail (6; 7) p...  
WO/2008/120257A2
A wind system (1) is described for converting energy comprising at least one kite (2) that can be driven from ground immersed in at least one wind current (W) and at least one module (5) adapted to translate on at least one rail (6; 7) p...  
WO/2008/108684A1
The invention relates to power engineering and can be used for converting wind energy substantially into electric energy. The inventive power plant comprises at least two infinitely closed flexible transmissions, which form an external t...  
WO/2008/086945A2
A wind-powered generator for generating electric energy (1) comprising at least one rotor (2) which is supported by a fixed structure (3) so that it can rotate about a rotation axis (2a) and is connected to an electric power generation d...  
WO/2008/086945A3
A wind-powered generator for generating electric energy (1) comprising at least one rotor (2) which is supported by a fixed structure (3) so that it can rotate about a rotation axis (2a) and is connected to an electric power generation d...  
WO/2008/082094A1
Provided is a wind power generator. The wind power generator includes a generator main body formed of fiberglass reinforced plastics (FRP). Built-in fans having blades are connected to four built-in fan motors to generate high pressure a...  
WO/2008/062319A2
A marine energy hybrid includes a support structure locatable at or near the surface of a body of water and at least two of (a) a hubless upper carriage movable along an upper track of the support structure with at least one wind vane mo...  
WO/2008/062319A3
A marine energy hybrid includes a support structure locatable at or near the surface of a body of water and at least two of (a) a hubless upper carriage movable along an upper track of the support structure with at least one wind vane mo...  
WO/2008/034421A2
The invention relates to kites for generating power as a more economic alternative to wind wheels. In one version, a kite (21) is suspended from a cable (3), wound on a reel (10). Under the action of a wind force on the kite (21) the cab...  
WO/2008/034421A3
The invention relates to kites for generating power as a more economic alternative to wind wheels. In one version, a kite (21) is suspended from a cable (3), wound on a reel (10). Under the action of a wind force on the kite (21) the cab...  
WO/2008/025802A1
A device equipped with blades suitable for the production of energy by exploitating the motion of a fluid. The blade comprises two parallel surfaces (21) connected to each other by a surface (22) and one or more rigid wings (23) disposed...  
WO2007139412B1
The invention herein described consists of a system destined to harness wind resources, transferring wind power to the ground station group on the surface, the process being performed through the tensioning and unwinding of the cable gro...  
WO/2008/006413A1
The invention relates to a method for converting the kinetic energy contained in horizontal currents of naturally occurring fluids that float above ground to useful mechanical energy. At least one circulating element (1) is guided in a c...  
WO/2008/004261A1
System for converting wind energy is described, comprising at least one kite (1) that can be driven from ground immersed in at least one wind current W and a vertical-axis wind turbine (2), placed at, ground level, such wind turbine (2) ...  
WO/2007/146155A2
A system for generating electricity from fluid currents having one or more trolleys (2) that move along a closed-loop track (1) as a result of the action of fluid currents on one or more blades (11) attached to each trolley (2). Spacing ...  
WO/2007/146155A3
A system for generating electricity from fluid currents having one or more trolleys (2) that move along a closed-loop track (1) as a result of the action of fluid currents on one or more blades (11) attached to each trolley (2). Spacing ...  
WO/2007/144643A2
One aspect of the invention provides a method and apparatus for converting wind energy to another form of energy. The apparatus comprises one or more kite tethered to ground or water-based means and means for controlling the kite(s) to f...  
WO/2007/144643A3
One aspect of the invention provides a method and apparatus for converting wind energy to another form of energy. The apparatus comprises one or more kite tethered to ground or water-based means and means for controlling the kite(s) to f...  
WO/2007/139412A1
The invention herein described consists of a system destined to harness wind resources, transferring wind power to the ground station group on the surface, the process being performed through the tensioning and unwinding of the cable gro...  
WO/2007/135701A2
An automatic control system (1) is described for the flight of a kite (2), in order to generate electric or mechanical energy, comprising first detecting means (3) on board the kite (2) detecting first pieces of information regarding at ...  
WO/2007/135701A3
An automatic control system (1) is described for the flight of a kite (2), in order to generate electric or mechanical energy, comprising first detecting means (3) on board the kite (2) detecting first pieces of information regarding at ...  
WO/2007/133724A3
The present invention relates to methods and compositions for power generation using a tethered airfoil. In particular, the present invention provides a cost effective, environmentally friendly alternative to generate power for the oil, ...  
WO/2007/129299A3
The problems of return and continuous motion are common to a number of renewable energy machines, particularly in applications with wind and magnetism. Devices are presented for obtaining wind and other energy through the use of sails an...  
WO/2007/129341A1
A system (1) is described for automatically controlling the flight of at least one power wing airfoil (2) , comprising first detecting means (3) on board of such power wing airfoil (2) adapted to detect first pieces of information (3a) d...  
WO/2007/124621A1
An apparatus converting wind force into mechanical energy and the application for the same are disclosed. The apparatus converting wind force into mechanical energy includes at least a controllable flat or curved blade (L1 to L8), the ar...  
WO/2007/121904A1
A sail attached to rotating structures with a vertically pivoting axis (1) for the purpose of utilizing the dynamic force of the wind (W), that consists of a vertical mast (4) that is firmly connected to the rotating structure and that i...  
WO/2007/122650A1
An aeolian system is described for converting energ comprising at least one power wing profile (30) which can be driven from the ground immersed in at least one aeolian current (W) and a basic platform (1) for controlling the wing profil...  
WO/2007/118462A1
The apparatus for use of flow energy has elongated circumferential elements (18) with incident-flow surfaces (34, 35) facing the flow, which elements (8) are connected parallel to one another at intervals to form a rotating cage (1) or t...  
WO/2007/118936A1
A recovery unit and method for recovering energy, the method comprising recovering energy by a recovery unit (100) which comprises a pontoon (102), a power transmission member (104) and an actuator (106), arranging the actuator (106) ins...  
WO/2007/101404A1
A fluid energy accumulator is disclosed, which consists of an energy receptor, a coupling mechanism, a converting mechanism and an output mechanism. The energy receptor is a pair of parachute-shaped bodies, each of which includes a dome ...  
WO2007019607A8
A device (10) for capturing energy from a fluid flow is disclosed. The device (10) comprises a base (12) adapted for stationary mounting relative to the fluid flow. A member (20), having a longitudinal axis (21), is movably connected rel...  
WO/2007/075104A1
The invention relates to hydropower engineering and is used for converting a flowing medium energy (rivers, tidal and other currents) into electric power and air mass energy into electric or mechanical power for rotating different device...  
WO/2007/034193A2
The Kitepower Generator uses one or more kites that go through a oscillating cycle of motion creating varying forces on their tether lines. These varying forces are converted into rotation, using a crankshaft. The cycle of motion may be ...  
WO/2007/034193A3
The Kitepower Generator uses one or more kites that go through a oscillating cycle of motion creating varying forces on their tether lines. These varying forces are converted into rotation, using a crankshaft. The cycle of motion may be ...  
WO/2007/031800A1
The invention refers to an electromechanical system which converts the kinetic energy of the water or wind currents into electric energy using parachutes (5) . Closed loops (9) of cables incorporate co-axially fastened parachutes (5) are...  
WO/2007/019607A1
A device (10) for capturing energy from a fluid flow is disclosed. The device (10) comprises a base (12) adapted for stationary mounting relative to the fluid flow. A member (20), having a longitudinal axis (21), is movably connected rel...  
WO/2007/000788A1
A device (1) is described for generating energy, composed of at least two ultralight airfoils (3, 5) rotating along their own axis, which functionally reproduce the characteristics of a propeller. The ultralight airfoils (3, 5) which cha...  
WO2005111460A3
A system for reducing vibrations in a rotating system uses a variable viscosity medium (26) that is redistributed in a housing (20) connected to the rotating system (2). Specifically, the medium is responsive to a control signal that is ...  
WO/2006/131575A1
The invention relates to a device for exploiting wind energy using sails. The invention is characterised in that it comprises a car which is equipped with (i) wheels that are connected to an electric current generator by means of a pulle...  
WO/2006/130719A2
Method and apparatus for converting the kinetic energy of a moving fluid stream into useful work by using a parallel cascade of aerofoils or hydrofoils positioned therein. The foils may be provided with at least two degrees of freedom an...  
WO/2006/130719A3
Method and apparatus for converting the kinetic energy of a moving fluid stream into useful work by using a parallel cascade of aerofoils or hydrofoils positioned therein. The foils may be provided with at least two degrees of freedom an...  
WO/2006/123924A1
The invention relates to wind-power engineering and makes it possible to form a swirling vortex stream, to reduce a blade aerodynamic drag, to increase a stream kinetic energy and to reduce a converter power losses. The inventive method ...  
WO/2006/109362A1
A wind turbine generator (1) has a wind reception blade (10) and piezoelectric plates (11a, 11b). The wind reception blade (10) is constructed from a substantially trapezoidal-shaped plate member whose opposite narrow sides have differen...  
WO/2006/108348A1
A wind energy device relates to a device using wind energy, including case body, fishlike section body and low pressure layer. A wind channel, having a wind inlet and a wind outlet, is provided in the case body. The fishlike section body...  
WO/2006/053987A1
The invention concerns a vertical-axis wind turbine useful in particular for supplying electricity, pumping water or storing potential energy. More precisely, the inventive wind turbine comprises two blades linked through their respectiv...  

Matches 351 - 400 out of 719