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| Number | Title | Issue Date |
| 7064464 | Electromechanical linear drive The invention relates to an electromechanical linear drive, in particular for an injection moulding machine, comprising an electric motor with a hollow-shaft rotor, open on one side, with a subsequent screw gear which converts the rotational movement of the hollow-s... | 06/20/2006 |
| 7057305 | Wind power installation with separate primary and secondary cooling circuits A wind power installation includes a nacelle for housing a generator, and a turbine having at least one rotor blade. At least the generator includes a closed primary cooing system, and the nacelle is provided with a cooling system for cooling the primary cooling sys... | 06/06/2006 |
| 7056082 | Four cycle wind implosion engine A wind energy machine has four rotor chambers formed by perpendicular walls. Each rotor chamber has an intake portion, a reversal portion, a parallel portion, and an exhaust portion. Air flow is reversed in each chamber for every 90 degrees of rotation, such that th... | 06/06/2006 |
| 7047803 | Method for siting and operating an odor dispersing wind machine array A method for arranging and operating an array of wind machines to disperse area-wide odors, as generated by municipal waste treatment facilities and the like. The method includes a wind machine positioned to force air across the odor source. The wind machine is pref... | 05/23/2006 |
| 7045986 | Position sensing method and apparatus for synchronous motor generator system A position sensing apparatus (300) derives rotor position of a synchronous machine (200) from signals output from the machine (200). In one embodiment, the position sensing apparatus (300) comprises: a bandpass filter (322) that fi... | 05/16/2006 |
| 7045702 | Solar-paneled windmill A solar-paneled windmill is provided having aerodynamic fan blades provided with solar panels. The windmill produces electricity using wind energy and solar energy. In another embodiment, magnets are provided to the solar-paneled windmill fan blades to generate magn... | 05/16/2006 |
| 7044713 | Wind power generator with multiple rotary wings A wind power generating apparatus having a plurality of rotary wings can reduce the load and resistance on the rotary wings due to wind to obtain a highly effective rotation power as well as to flexibly absorb the impact applied to the rotary wings due to varying wi... | 05/16/2006 |
| 7043904 | Electrical energy from live loads A group of devices and machines for converting the mechanical energy of live loads into electricity. A generator is operated by gears which in their turn are operated by a Bourdon tube or similar-acting device fed by working fluid in a pipe from a reservoir. The res... | 05/16/2006 |
| 7042111 | System, method and apparatus for a redundant prime mover system The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates th... | 05/09/2006 |
| 7042109 | Wind turbine A wind turbine for generating electrical power from wind energy includes a turbine rotor mounted for rotation in wind, and having multiple blades for converting energy in the wind into rotational energy. A generator is coupled with said turbine rotor such that said ... | 05/09/2006 |
| 7042110 | Variable speed distributed drive train wind turbine system A variable speed wind turbine employing a rotor connected to a multiplicity of synchronous generators with wound field or permanent magnet rotors. A passive rectifier and an inverter are used for power transfer back to the grid. A Turbine Control Unit (TCU) commands... | 05/09/2006 |
| 7038330 | Protection for wind power station A wind power station comprises a wind rotor; a transmission mechanically coupled to the wind rotor; an asynchronous generator having a generator rotor mechanically coupled to the transmission, and a generator stator electrically coupled to a power grid; and a protec... | 05/02/2006 |
| 7029576 | Wind energy installation comprising a seawater or brackish water desalination plant A wind energy installation having a tower, a gondola supported by the tower, a rotor mounted in the gondola, and at least one pressure pump that is mechanically driven by the rotor and that feeds a raw water-treating reverse osmosis plant, the components of the reve... | 04/18/2006 |
| 7026723 | Air filtering chimney to clean pollution from a city and generate electric power A solar chimney assembly including a chimney (3) is build using a mountain (11) as support. The chimney (3) receives air from a solar heat collector (1) that heats the air below it creating an updraft of air. The air goes up because of th... | 04/11/2006 |
| 7025564 | Devices and methods for reducing or eliminating the gap between a stay vane and its corresponding wicket gate as used in turbines An improved design for turbines increases efficiency while reducing potential for fish kill. In an embodiment of the present invention as relates to Kaplan turbines, the gap between stay vanes and their corresponding wicket gates is reduced or eliminated by provisio... | 04/11/2006 |
| 7023105 | Atmospheric density-dependent power adjustment for wind turbines The present invention concerns a wind power installation having a control apparatus for operational management of the wind power installation and a method of controlling a wind power installation having a control apparatus for operational management. In order to tak... | 04/04/2006 |
| 7015595 | Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control A variable speed wind turbine having a passive grid side rectifier using scalar power control and dependent pitch control is disclosed. The variable speed turbine may include an electrical generator to provide power for a power grid and a power conversion system cou... | 03/21/2006 |
| 7011497 | Shaft/hub unit for wind turbine rotor A rotor shaft/hub unit for a wind energy plant with a rotor shaft provided with a rotor bearing seat which is connected to a rotor hub provided with a blade or blade bearing connection, the rotor hub and rotor shaft are manufactured in one piece from bonded fiber fa... | 03/14/2006 |
| 7002259 | Method of controlling electrical rotating machines connected to a common shaft A controller for high torque, low RPM wind turbines and ocean current turbines. The turbine consists of a large, input power shaft-mounted, rotating bull-gear with stationary powertrains mounted around its periphery. The gear teeth on the bull-gear rotate past the t... | 02/21/2006 |
| 7002260 | Power control interface between a wind farm and a power transmission system A power control interface between an unstable power source such as a wind farm and a power transmission line employs an electrical energy storage, control system, and electronic compensation module which act together like an “electronic shock absorber” for stori... | 02/21/2006 |
| 6998729 | Wind energy plant having an observation platform The invention concerns a wind power installation comprising a rotor which is coupled to a generator within a machine housing. Such wind power installations have already long been known, for example the wind power installations of types E-40 and E-66 from Enercon, Au... | 02/14/2006 |
| 6992402 | Wind-driven power station The wind-driven power station comprises a closed-loop rail track consisting of sections of gradual ascent and descent. The descent section directed upwind is positioned in an artificial tunnel. Basic elongated sections of the rail track are situated across the predo... | 01/31/2006 |
| 6984899 | Wind dam electric generator and method A vertical axis windmill is provided wherein the amount of wind directed to blades in the power producing part of rotation and the mechanical load of multiple generators is controlled by a feedback control to maintain a relatively constant rotational frequency of th... | 01/10/2006 |
| 6984898 | Method of operating a wind power installation and a wind power installation The present invention concerns a method of operating a wind power installation comprising an electric generator drivable by a rotor for outputting electrical power to an electrical consumer, in particular an electrical network. The invention further concerns ... | 01/10/2006 |
| 6981839 | Wind powered turbine in a tunnel A wind powered turbine has a conduit. A middle conduit portion is located between inlet and outlet conduit portions, having a main inlet and outlet of the conduit, respectively. A rotor having a shaft with blades extending therefrom is located in the middle conduit ... | 01/03/2006 |
| 6979171 | Maritime energy generating device A maritime energy generating device including a windmill mounted on a floating foundation, the windmill having a machine compartment mounted at the top of a tower and the foundation being fixed to the bottom of a water body by a connection and including two tanks an... | 12/27/2005 |
| 6979175 | Downstream wind turbine A downstream wind turbine for converting wind energy into electrical energy. In a preferred embodiment the downstream wind turbine adapted to respond to high winds and gyroscopic precession. The downstream wind turbine comprises a support tower; a yaw bearing attach... | 12/27/2005 |
| 6975045 | Wind power generating system In a wind power generating system, a pair of axially spaced turbines are connected to an outer rotor and an inner rotor of a generator, respectively, and are provided with blades having equal but opposite pitch angles so that the inner and outer rotor rotate at a sa... | 12/13/2005 |
| 6972498 | Variable diameter wind turbine rotor blades A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extensions nested within or containing the base blade. The blades can ... | 12/06/2005 |
| 6969926 | Mechanism for converting mechanical energy for wind powered energy systems An improved drive mechanism for a windmill has: (a) a drive chain driven into movement by a wind wheel shaft driven into rotation by wind movement against a wind wheel; (b) a drive chain sprocket driven by the drive chain and coupled to a force chain sprocket to cor... | 11/29/2005 |
| 6969937 | Multiple, permanent-magnet rotor for a rotating electrical machine, and a method for producing same In order to allow a rotating electrical machine, which uses a permanent-magnet rotor with a flux-concentration construction for a rated power of more than 100 kW, to be assembled as easily as possible, two mutually adjacent half-yokes of two poles as well as magnets... | 11/29/2005 |
| 6965174 | Method for operating a wind turbine The present invention relates to a method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto. The object of the present invention is to defi... | 11/15/2005 |
| 6963802 | Method of coordinating and stabilizing the delivery of wind generated energy The invention relates to a method of coordinating and stabilizing the delivery of wind generated power, such as to a power grid, so as to avoid sudden surges and spikes, despite wind speed fluctuations and oscillations. The method preferably uses a plurality of wind... | 11/08/2005 |
| 6960011 | Vibrator and related method The invention relates to the setting of poured concrete and the need to avoid air pockets and voids within the setting slurry. At least one reinforcing rod, and preferably a grid of rods, is embedded in the poured concrete. The setting slurry is vibrated by vibratin... | 11/01/2005 |
| 6955521 | Flow-forced generator with turbo-charging deflection hood A flow-forced generator adapted with a turbo-charging deflection hood having at the peripheral of the vortex ring in the generator provided with an automated directional turbo-charging deflection hood for the air or fluid to produce turbo-charging results due to the... | 10/18/2005 |
| 6956300 | Gimbal-mounted hydroelectric turbine A power plant extracts energy from a free flowing motive fluid by means of a turbine mounted on a gimbal. The shroud element of the fluid intake has external rudders, in conjunction with the gimbal mounting, enabling the enclosed turbine to instantaneously respond t... | 10/18/2005 |
| 6952058 | Wind energy conversion system A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical outpu... | 10/04/2005 |
| 6951443 | Wind turbine ring/shroud drive system A wind turbine capable of driving multiple electric generators having a ring or shroud structure for reducing blade root bending moments, hub loads, blade fastener loads and pitch bearing loads. The shroud may further incorporate a ring gear for driving an electric ... | 10/04/2005 |
| 6948905 | Horizontal wind generator A horizontal wind generator comprises a horizontal windmill drivingly coupled to an electrical generator. The windmill includes a vertical drive shaft mounted for rotation in a base, with a plurality of wind drive units being mounted in wind catching positions at sp... | 09/27/2005 |
| 6949842 | Centrifugal weight control for a wind or water turbine The centrifugal weight control is a means of regulating rpm's on the low speed shaft in a changing wind (or water) speed. As wind speed increases the weights are extended farther from their hub. This extension as wind speed increases does bring into play a greater i... | 09/27/2005 |
