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| Number | Title | Issue Date |
| 7956484 | Wind turbine, method for mounting a wind turbine and method for adjusting an air gap between a rotor and a stator of a generator of a wind turbine A wind turbine including a bedplate, a main shaft and a direct drive generator is disclosed. The main shaft pivots relative to the bedplate by a first and second bearing. The direct drive generator includes a rotor connected to the main shaft and a stator containing... | 06/07/2011 |
| 7956486 | Windmill electric generator for hydroelectric power system A windmill electric generator includes a support base, an inline generator assembly, a large generator, a variable blade pitch housing and a plurality of blades. The support base includes a pedestal support and a rotating support. The inline generator assembly inclu... | 06/07/2011 |
| 7956482 | Speed controlled pitch system The present patent application concerns wind turbine having a rotor with a first rotor blade and a pitch control system with a controller and a first drive system for adjusting a pitch angle of the first rotor blade, wherein the drive system is adapted to transform ... | 06/07/2011 |
| 7956483 | Secondary power source for a light truck vehicle The invention is directed at an air flow apparatus for use with an electric vehicle. The air flow apparatus operates as complementary energy sources for the production of electricity to maintain battery capacity for the propulsion of an electrically powered vehicle.... | 06/07/2011 |
| 7956485 | Potential energy storage apparatus using energy from a wind energy generator An apparatus and method for storing and using wind energy. The apparatus has a hub, blades extending radially outwardly from the hub, a first shaft interconnected to the hub, a generator connected to the first shaft, a first coupler, a transmission connected to a po... | 06/07/2011 |
| 7948111 | Vertical axis wind system A vertical axis wind system for use in electrical power generation. The system includes a stationary base including a generator and has an elongate shaft rotatably coupled the base. The elongate shaft extends vertically from a lower end to an upper end along a verti... | 05/24/2011 |
| 7948110 | Wind-driven electricity generation device with Savonius rotor A vertical wind-driven electricity generation device is described, which utilizes a unique segmented Savonius rotor and which is easily handled, transported, assembled and maintained, even by a single person. The blades of the rotor are segmented into a plurality of... | 05/24/2011 |
| 7944078 | Wind turbine with hydro-transmission A wind turbine with hydro-transmission has a tank filled with circulating liquid, a generator disposed beside the tank, a water pump mounted at a top of a stand and multiple blades connected to the water pump. Wind rotates the blades to drive the water pump to draw ... | 05/17/2011 |
| 7944074 | Wind turbine direct drive airgap control method and system A deflection resistant wind turbine generator having a stator arranged about an axis and a rotor operably mounted with respect to the stator to generate electricity. The rotor is rotatably communicating with wind turbine blades rotating substantially about the axis ... | 05/17/2011 |
| 7944076 | Direct drive generator and wind turbine The invention concerns a direct drive or directly driven generator for a wind turbine comprising a stator and a rotor, wherein the stator comprises a stator ring comprising several ring-segment-shaped stator segments each having at least one stator element for the p... | 05/17/2011 |
| 7944075 | Wind turbine based energy storage system and method using heavy weighted devices An energy storage system, and related method, comprises a plurality of wind turbines, each with a vertical shaft that passes through a support platform. One or more braces may be affixed to each vertical shaft at one end of this platform, at an angle of less than 60... | 05/17/2011 |
| 7944077 | Generator, nacelle, and mounting method of a nacelle of a wind energy converter This invention provides a nacelle of a wind energy converter and a corresponding mounting method of a nacelle of a wind energy converter and a generator for a wind energy converter. The nacelle includes a main frame; a generator including a stator and a rotor; a gen... | 05/17/2011 |
| 7944079 | Systems and methods for assembling a gearbox handling assembly for use in a wind turbine A method of assembling a gearbox handling assembly to facilitate removal of a gearbox from a wind turbine uptower from the wind turbine. The wind turbine includes a rotor rotatably coupled to the gearbox with a rotor shaft. The gearbox and the rotor shaft are suppor... | 05/17/2011 |
| 7939958 | Direct drive wind turbine and blade assembly Apparatuses and methods for an improved wind turbine and blade assembly are disclosed. The wind turbine has a wind turbine assembly being rotatably driven by the blade assembly. The wind turbine assembly has a shaft connected to an inner wheel by a supporting struct... | 05/10/2011 |
| 7939960 | Aerial wind power generating system using floating body The present invention provides an aerial wind power generating system which has an improved structure such that despite light wind, satisfactory wind power generation can be ensured, and such that it is easy to install and remove the system, thus being effectively a... | 05/10/2011 |
| 7939961 | Wind turbine with integrated design and controlling method A wind turbine is provided. The wind turbine includes a tower including a yaw interface, a bladed rotor including at least one blade rotatable in response to wind impinging upon the at least one blade, and a beam structure configured to support the bladed rotor. The... | 05/10/2011 |
| 7939959 | Wind turbine with parallel converters utilizing a plurality of isolated transformer windings A system and method are provided to isolate outputs of parallel converter threads of a power system converter of a wind turbine generator by utilizing isolated power windings on the output transformer from the converter. Such isolation eliminates the circulating com... | 05/10/2011 |
| 7936079 | Distributed system of electrical generators utilizing wind driven natural motion of trees A distributed system of electrical generators utilizing wind driven natural motion of trees includes pull-retract generators deriving torque from the back and forth swaying of neighboring trees and cables, wherein one set of cables acting as support and the other ac... | 05/03/2011 |
| 7936080 | Wind turbine, a method for coupling a first drive train component of the drive train of a wind turbine to a second drive train component of the drive train and use of a wind turbine A wind turbine including a drive train. The drive train includes at least a rotor for transforming wind into rotation of a rotor hub, to provide a drive torque, a generator for transforming at least a part of the drive torque into electrical power, and at least one ... | 05/03/2011 |
| 7932620 | Windmill utilizing a fluid driven pump A windmill apparatus includes tower, a tower-mounted hydraulic pump driven by windmill blades, and hydraulic lines connected to a ground storage tank and to a number of separate generator units. Each generator unit includes a hydraulic pump and an electrical generat... | 04/26/2011 |
| 7923854 | Wind turbines direct drive alternator system with torque balancing Wind turbine direct drive alternator system includes a supporting structure, at least two turbines mounted on the supporting structure to rotate in opposite directions when exposed to the same wind, a respective number of alternator rotor disks whereby each turbine ... | 04/12/2011 |
| 7915751 | Output power control of a wind power generator through bendable tail wing and tail rod The invention is related to a wind power generator with controllable power output, which comprises an elastic tail rod and a tail wing. One end of the elastic tail rod connects with the wind power generator; the other end of the elastic tail rod connects with the ta... | 03/29/2011 |
| 7911075 | Building-integrated system for capturing and harvesting the energy from environmental wind A system is disclosed for capturing and harnessing energy from environmental wind which impinges the outer wall surfaces of a building. The system includes at least one elongated conduit disposed within an enclosure of a building, the conduit having first and second... | 03/22/2011 |
| 7911076 | Wind driven power generator with moveable cam A wind driven generator includes a rotor disposed in a cylindrical duct and supported by a frame for rotation in response to wind flowing through the duct. The rotor includes plural circumferentially spaced paralleled rotor blades supported for rotation about a gene... | 03/22/2011 |
| 7902689 | Method and system for noise controlled operation of a wind turbine A method for controlling noise generated from a wind turbine. The method including providing a blade attached to a hub having a rotor shaft, and a generator in communication with the rotor shaft. The at least one blade includes an adjustable pitch angle. The method ... | 03/08/2011 |
| 7902690 | System for generating electrical energy from vehicle movement on a road An energy recovery apparatus for mounting on a structure to recover energy from air movement caused by vehicles passing under the structure is disclosed. The energy recovery apparatus may include a support assembly for mounting on the structure, and a rotating assem... | 03/08/2011 |
| 7902688 | Vertical axis wind turbines A vertical axis wind turbine is described. The wind turbine can include a top ring, a middle ring and a lower ring, wherein a plurality of vertical airfoils are disposed between the rings. For example, three vertical airfoils can be attached between the upper ring a... | 03/08/2011 |
| 7893556 | Vertical axis wind turbine with direct drive generator A bearingless floating wind turbine has a tall narrow main support structure with a center of buoyancy located well above the center of gravity to provide stability to the wind turbine while supported for rotation in a body of water, a vertical axis turbine blade ex... | 02/22/2011 |
| 7893555 | Wind power current generator The invention relates to a wind power current generator comprising a bearing, a tubular stator that carries a race of the bearing, a tubular rotor coaxial with the tubular stator that can rotate in relation to the stator, a hub connected to the rotor, and at least t... | 02/22/2011 |
| 7884493 | Wind turbine generator brake and grounding brush arrangement A disc brake arrangement is provided as adapted for a wind turbine generator incorporating a rotor shaft supporting a rotor wheel and support ring for a rotor structure surrounded by a stator structure within a generator casing. The disc brake arrangement includes a... | 02/08/2011 |
| 7884492 | Methods and systems for wind turbine generators Methods and systems for reducing heat loss in a generator system are provided. The generator system includes an electrical generator and a power converter. The method includes generating electricity in the generator at a first power factor and converting electricity... | 02/08/2011 |
| 7880323 | Wind generator system A new and novel wind generator system particularly suitable for small wind applications that harnesses low velocity wind effectively. In a preferred embodiment, the wind generator system has a drive shaft; a plurality of blades attached to the drive shaft and extend... | 02/01/2011 |
| 7875992 | System and method for generating electricity A system for generating electricity including a vertical oriented tower comprising an intake opening for receiving fluid flow, a scoop that is moveably mounted to a base for directing the fluid flow to the intake opening, a fluid-activated mechanism that is automati... | 01/25/2011 |
| 7872366 | System and method for generating electricity A method of generating electricity including the steps of providing a system including a vertical oriented tower having an intake opening, a scoop that is moveably mounted to a base, the scoop being in fluid communication with the intake opening of the tower, a flui... | 01/18/2011 |
| 7868476 | Wind-driven electric power generation system A system generating electrical power from wind includes a cowling to capture wind and directs it into a tubular housing. At least one fixed helical vane can be integrated into the inner surfaces of the tubular housing in a spiral, adapted to further direct the captu... | 01/11/2011 |
| 7868477 | Device for supplying electricity A device for supplying electricity to electrical equipment on a first element drivable for rotating operation with a predetermined rotation rate. A source of electricity includes a stator and a rotor that are rotatable in relation to each other. One of the rotor and... | 01/11/2011 |
| 7855469 | Condition monitoring system for wind turbine generator and method for operating wind turbine generator A method for operating a wind turbine generator includes generating at least one of a plurality of rotor shaft angular displacement values, a plurality of rotor shaft angular velocity signals, and a plurality of rotor shaft angular acceleration signals. The method a... | 12/21/2010 |
| 7851937 | Wind-powered generator and assemblies therewith A wind-powered electrical assembly includes an electrical device electrically connected to an electrical generator. The electrical generator is operable to provide an electric current to the electrical device to operate the electrical device. The electrical generato... | 12/14/2010 |
| 7843080 | Cooling system and wind turbine incorporating same A cooling system for a wind turbine is provided. The cooling system includes at least one generator having a plurality of external fins disposed around at least a portion of the periphery of the generator. A shroud is disposed around at least a portion of the genera... | 11/30/2010 |
| 7839010 | Generator device for use with a ventilating turbine A generator device is arranged for use with a roof ventilator including a base arranged to be supported in a roof opening in a roof and a ventilating turbine rotatably supported on the base so as to be arranged for ventilating a space below the roof through the roof... | 11/23/2010 |
