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Matches 701 - 750 out of 4,984

Document Document Title
WO/2011/061353A8
A wind power turbine, for generating electric energy, has a supporting structure (2); a nacelle (3); a blade assembly (5) rotating with respect to the nacelle (3); a first and second electric machine (9, 13) having, respectively, a first...  
WO/2011/061233A3
The invention relates to a pitch drive device (26) for a wind power or hydroelectric power station (22) comprising a synchronous motor (13) and a motor operation switchover unit (21) for switching between normal operation and emergency o...  
WO/2011/062514A1
The subject of the invention is a method and system for renewable energy store in temperature-pressure tank of energy and conversion to electrical energy. It makes possible conversion of variable stream of renewable energy, especially of...  
WO/2011/059129A1
The present invention relates to an energy harvesting device employing a piezoelectric ceramic and magnets, in which a ventilator is driven using wind power and which is able to produce energy by means of the piezoelectric ceramic by usi...  
WO/2011/057598A8
The invention relates to a wind turbine, comprising at least one wind wheel and an electricity generating device that has at least two generators. The generators are coupled to each other by means of at least one differential gear, where...  
WO/2011/057598A3
The invention relates to a wind turbine, comprising at least one wind wheel and an electricity generating device that has at least two generators. The generators are coupled to each other by means of at least one differential gear, where...  
WO/2011/058396A1
According to exemplary embodiment, a power recycler device is provided for a stationary machine producing and expelling a byproduct wind source into an environment. The device includes a chassis configured to mount to or around the stati...  
WO/2011/056614A3
A hide-away windmill is exposed to the wind for use and covered or hidden for storage. In one version, the windmill has a support tower that is extendable and retractable within another housing, In another version, the windmill is inside...  
WO/2011/056614A4
A hide-away windmill is exposed to the wind for use and covered or hidden for storage. In one version, the windmill has a support tower that is extendable and retractable within another housing, In another version, the windmill is inside...  
WO/2011/055913A3
The present invention relates to a wind power generator which can improve the performance of a battery and/or a storage battery for a vehicle. The wind power generator comprises: a cylindrical accommodating member which has a cutout hole...  
WO/2011/055913A2
The present invention relates to a wind power generator which can improve the performance of a battery and/or a storage battery for a vehicle. The wind power generator comprises: a cylindrical accommodating member which has a cutout hole...  
WO/2011/056614A2
A hide-away windmill is exposed to the wind for use and covered or hidden for storage. In one version, the windmill has a support tower that is extendable and retractable within another housing, In another version, the windmill is inside...  
WO/2011/050923A2
A wind turbine (1), especially for use along or inside a body of water, comprises a rotor (2), a generator (4) that can be drivingly connected to the rotor (2), and a battery arrangement (10) that includes at least one electrochemical cell.  
WO/2011/051524A3
Improved wind-turbine power train that includes a permanent-magnet turbine (41), placed in front of the wind rotor (15), which is actuated directly by the wind rotor (15), and a front cover (59) covering the open front (49) of the turbin...  
WO/2011/050923A3
A wind turbine (1), especially for use along or inside a body of water, comprises a rotor (2), a generator (4) that can be drivingly connected to the rotor (2), and a battery arrangement (10) that includes at least one electrochemical cell.  
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/2011/050294A3
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/2011/047456A1
Power storage and regeneration, a method of storing potential energy on a large scale. By using stored water, in a closed circuit power regenerating system. This system will be comprised of a multiple level facility with multiple turbine...  
WO/2011/048038A3
The invention relates to a generator, wherein the generator comprises a stationary stator and a rotor disposed rotatably about an axis of rotation, wherein the stator comprises a fan drawing air from the ambient air around the generator,...  
WO/2011/046383A2
The wind-powered electricity generating device uses the wind to generate electrical power, and comprises: a pressure-changing means which is disposed in the path of movement of the wind and creates changes in pressure over time; and a pi...  
WO/2011/046383A3
The wind-powered electricity generating device uses the wind to generate electrical power, and comprises: a pressure-changing means which is disposed in the path of movement of the wind and creates changes in pressure over time; and a pi...  
WO/2011/046601A1
Methods and apparatus are provided for generating electrical power employing a horizontal axis wind turbine operatively coupled to a permanent magnet generator/alternator and mounted vertically above a waste air flow source so that verti...  
WO/2011/045999A1
An electric power generation system utilizing wind power, the system being easily maintained and being configured in such a manner that a nacelle disposed at the upper part of a tower is compact and lightweight. An electric power generat...  
WO/2011/039536A1
An electrical power generating system comprises a wind turbine supported by a support means, an underwater structure able to rotate relative to the support means, a power transfer system; and an electrical generator, wherein the power tr...  
WO/2011/040946A1
An electrical power generation apparatus is embedded in a contra- rotating propulsion system that includes overlapping first and second shafts operatively connected for counter-rotation about a common axis. The electrical power generatio...  
WO/2011/038684A1
A wind energy converter comprises an automatic regulating and lightning-strike absorbing component that consists of a stainless steel S-shaped arm, a stainless steel cable (1), a counter weight (3) connected to the stainless steel cable ...  
WO/2011/039818A1
Disclosed is a wind turbine generator and a wind turbine generator system using the wind turbine generator wherein a large output capacity is attained while maintaining mass productivity of the wind turbine generator. Furthermore, the wi...  
WO/2011/039749A1
An electrical generator (100) and method of use for producing alternating electrical current at a predetermined frequency, wherein a first rotational element (110) is driven by a force in a first direction at rotational speed determined ...  
WO/2011/037696A3
A generator drive apparatus includes: a rotor shaft having a generally annular open end; a gear unit including a stationary member and a plurality of intermeshed gears, the gear unit disposed at least partially within the open end and dr...  
WO/2011/034056A1
Provided is a wind power generation device that can use a general-purpose inverter. A constant-voltage-mode inverter (30) is used. When a wind-power generator (2) is generating power, switching circuits (40-1 to 40-3) are turned on and o...  
WO/2011/034268A1
The present invention relates to a smart ship, in particular to a ship which can minimize air resistance generated by crosswinds, and which generate electricity by harnessing crosswinds to be used as energy to propel the ship or for inte...  
WO/2011/029446A3
A windmill driven energy converting device (2) comprising a number of wind blades (12) attached to a shaft (6). In one embodiment of the invention the shaft (6) is connected to a rotor (22) with permanent magnets, which rotor (22) is arr...  
WO/2011/029445A3
A windmill driven energy converting device (2) comprising a number of wind blades (12) attached to a shaft (6). In one embodiment of the invention the shaft (6) is connected to a rotor (22) with permanent magnets, which rotor (22) is arr...  
WO/2011/031165A1
A wind turbine comprising an integrated and segmented permanent magnet generator without the traditional end covers with bearings and shaft making it possible to manufacture and transport generator segments consisting of both generator s...  
WO/2011/029215A1
A horizontal-shaft fan-blade structure includes a shaft pipe (10), a circular ring (21) provided concentrically outside the shaft pipe (10), and a plural of blades (30). A plural of inner pulling holes (111) are provided equidistantly at...  
WO/2011/026256A1
A system and method for high altitude wind power generation is provided. The system comprises an electrical field base configuration composed of an inner annular structure girder (8) and an outer annular structure girder (7), which are c...  
WO/2011/027069A1
The present invention relates to a miniature hydroelectric power plant including a storage tank (1) and a penstock (2) for the flow of the water toward a recovery tank (3), a turbine (4) connected to a power generator (5) being arranged ...  
WO/2011/028502A2
A skin structure has a skin and a power generation system attached to the skin. The power generation system has a turbine, one or more tubes fluidly coupled to the turbine, and a generator configured to generate electrical power in respo...  
WO/2011/028502A3
A skin structure has a skin and a power generation system attached to the skin. The power generation system has a turbine, one or more tubes fluidly coupled to the turbine, and a generator configured to generate electrical power in respo...  
WO/2011/026250A1
The invention relates to a generator system comprising a mains transformer (1), a mains circuit breaker (2), a generator (4) with a stator winding (4.1 ) and rotor winding (4.2), a converter (7) with a DC-link (7.3), a mains inductor (9)...  
WO/2011/027427A1
A wind driven generator provided with a drive train having a reduced axial length and reduced in weight and cost. A wind driven generator for generating electric power by driving a generator which is connected through a drive train to a ...  
WO/2011/022836A1
A wind turbine, referred to as a drag rotor is provided that converts wind energy into mechanical energy. Twin drag rotors are described with a common central deflector which minimizes potential negative drag, A drag rotor may be exploit...  
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/2011/023637A3
The present invention relates to a control system (9) for a wind turbine, comprising an electrical device that is arranged for being used during normal operation of a wind turbine and a power source (92) that is arranged to be used as an...  
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/2011/022837A1
A hydro-pneumatic system generates power from wind energy transferred to a hydraulic flow, which in turn enables production of electricity by actuating a hydraulic motor/turbine. The wind hydro-generator works efficiently and at higher c...  
WO/2011/022836A8
A wind turbine, referred to as a drag rotor is provided that converts wind energy into mechanical energy. Twin drag rotors are described with a common central deflector which minimizes potential negative drag, A drag rotor may be exploit...  
WO/2011/022024A1
A wind turbine power management system and method includes one or more wind turbines at a wind farm and one or more laser sources used to measure wind conditions remote from the wind farm. The laser sources may be collocated with the win...  
WO/2011/018811A1
An electrical alternator (13) of the type for wind power generators (10) with blades whose direction of overall development follows substantially the direction of development of the axis of rotation (X) of the generator/alternator, chara...  
WO/2011/019739A3
An integrated hybrid energy generating system capable of converting wind and solar energy for use with an electrical generator. During the daytime, the system concurrently derives energy from both wind and solar energy sources. During th...  

Matches 701 - 750 out of 4,984