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Patent Searching and Data


Matches 351 - 400 out of 734

Document Document Title
WO/2009/126337A2  
WO/2009/122754A1
Provided is a power generator using a floating object and exhibiting a further improved power generation efficiency. The power generator (1) is provided with the floating object (2) having a floating body (21) for catching the wind, a po...  
WO/2009/099683A3
A rotor having at least two flightings includes a plurality of elongated support ribs rigidly interconnecting at axialIy spaced intervals, the outer edge of a first flight ing with the inner edge o f the other flighting, the ribs having ...  
WO/2009/115253A2
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/2009/082270A3
The invention relates to renewable energy sources, in particular to the use of the potential energy of moving transportation means or pedestrians, waves, water, the energy of arms and legs of a human being, and to converting said energy ...  
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/2009/106922A1
A shaftless wind turbine includes a vertical structure in which is located a wind driven rotor (1, 2, 3, 4) The vertical structure has a plurality of columns (14) located about an outer circumference and a hollow circular core (10) locat...  
WO/2009/100211A2
A system includes at least one body, a link for suspending the body for movement with gravity from a first elevation position to a second elevation position, and an electrical energy generator coupled with the body through the link to dr...  
WO/2009/099683A2
A rotor having at least two flightings includes a plurality of elongated support ribs rigidly interconnecting at axialIy spaced intervals, the outer edge of a first flight ing with the inner edge o f the other flighting, the ribs having ...  
WO/2009/083486A2
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/2009/052202A3
A power generation assembly for use in generating electrical power from air or water currents includes a tiered rail system forming elongated loops, a vane assembly having a frame and at least one vain, and car assemblies sidably mounted...  
WO/2009/082270A2
The invention relates to renewable energy sources, in particular to the use of the potential energy of moving transportation means or pedestrians, waves, water, the energy of arms and legs of a human being, and to converting said energy ...  
WO/2009/041819A3
The invention relates to a device (1) for generating power from wind flow or water flow. Device (1) comprises a frame (10) on which at least one mast (20) is movably mounted at a first outer end. At least one blade (30) is mounted on a s...  
WO/2009/056659A1
The invention relates to an elliptical power generator that makes use of the movement of water, air or different fluids in order to generate power. The invention is formed by at least two vertical supporting structures (1) similar to sup...  
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/2009/052202A2
A power generation assembly for use in generating electrical power from air or water currents includes a tiered rail system forming elongated loops, a vane assembly having a frame and at least one vain, and car assemblies sidably mounted...  
WO/2009/041819A2
The invention relates to a device (1) for generating power from wind flow or water flow. Device (1) comprises a frame (10) on which at least one mast (20) is movably mounted at a first outer end. At least one blade (30) is mounted on a s...  
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/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/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/2008/086945A3
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/2008/144938A1
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/2008/120257A2
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/2008/034421A3
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/2008/108684A1
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/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/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/2008/082094A1
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/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/2007/146155A3
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/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/2008/025802A1
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/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/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/2007/144643A2
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/2007/139412A1
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/2007/129341A1
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 ...  

Matches 351 - 400 out of 734