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| Number | Title | Issue Date |
| 7671480 | Systems and methods for remote utility metering and meter monitoring A system and method for generating and harvesting energy in response to the flow of water through rotating device, such as a nutating or oscillating disk. Mechanical energy from flow of water is converted into electrical energy via an energy conversion unit. For exa... | 03/02/2010 |
| 7663257 | Self-powered miniature liquid treatment system with configurable hydropower generator A liquid treatment system that may be self-powered includes a hydro-generator. A flow of liquid may be used to rotate the hydro-generator to generate electric power. The hydro-generator may include an outer housing and an inner housing. The inner housing may include... | 02/16/2010 |
| 7663259 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 02/16/2010 |
| 7663258 | Miniature hydro-power genteration system power management A miniature hydro-power generation system may include a hydro-generator, a control circuit and an energy storage device. A flow of liquid may be used to rotate the hydro-generator to generate electric power. The control circuit may switch the electric power to charg... | 02/16/2010 |
| 7656051 | Buoyancy vehicle apparatus to create electrical power A buoyancy vehicle apparatus includes a water or liquid source, such as a water tank, and a buoyant mass in communication with an electrical generator. The buoyant mass is lifted from a lower level to a higher level to store energy. The mass is stored at the predete... | 02/02/2010 |
| 7656052 | Power converters The present invention provides a power converter that can be used to interface a generator (4) that provides variable voltage at variable frequency to a supply network operating at nominally fixed voltage and nominally fixed frequency and including features t... | 02/02/2010 |
| 7656050 | Hydroelectric pumped-storage Hydroelectric pumped-storage includes monitoring electrical demand on a system over time. If the monitored demand exceeds a predetermined first value, fluid is allowed to flow substantially under the influence of gravity from a first aquifer to a second aquifer. Kin... | 02/02/2010 |
| 7649274 | Turbine with constant voltage and frequency output The disclosure relates to a turbine wherein the rotor windings receive current from a CPU-controlled high speed operational amplifier and the stator windings include four-stage poles with configurations controlled by the CPU. The control of the current to the rotor ... | 01/19/2010 |
| 7649275 | Apparatus and method for generating electric power from a subsurface water current A subsurface power generating system in one embodiment includes a frame, an electric generator supported by the frame and operably connected to a first vertical rotor, another electric generator supported by the frame and operably connected to a second vertical roto... | 01/19/2010 |
| 7638891 | Wind turbine and solar gathering hybrid sheets Disclosed is a method and system for providing an energy gathering sheet to harness and provide energy to homes, businesses, and/or a utility grid. The energy gathering sheet is configured to receive solar or wind energy gathering devices or any combination thereof.... | 12/29/2009 |
| 7633175 | Resonating blade for electric power generation A process and an apparatus for generating electric current from a vibrating blade exposed to a fluid flow, in one embodiment, a plurality of blades are secured within a tail cone of a steam turbine and each blade includes a magnet and a coil associated with the magn... | 12/15/2009 |
| 7633174 | Floating water turbine for a power plant An auger-type floating turbine having an elongated, buoyant rotating housing with one or more flights of blades, fins, or impellers supported on its outer surface is connected to an electrical generator to produce electrical power. The turbine may also be coupled to... | 12/15/2009 |
| 7608935 | Method and system for generating electricity utilizing naturally occurring gas A system and method for using natural gas to generate electricity. Natural gas under pressure is withdrawn from a well and passed to a turbine. The pressure of the natural gas acts on a turbine fan that in turn drives a generator to generate electricity. The natural... | 10/27/2009 |
| 7608936 | Faucet generator A faucet generator includes; a rotor vane which is disposed in a water supply channel; an annular magnet which is rotatable integrally with the rotor vane; and a stator having: a coil which is disposed to be opposed to an end face of the magnet that is substantially... | 10/27/2009 |
| 7605486 | Fluid powered generator An integrated generator unit is provided to generate electrical energy. One or more integrated generator units are mounted in an enclosure and in communication with a battery to store electrical energy. Each unit has a plurality of rotational elements that rotate ab... | 10/20/2009 |
| 7605485 | Systems and methods for generating power through the flow of water A system and method for generating and harvesting energy in response to the flow of water through rotating device, such as a nutating or oscillating disk. Mechanical energy from flow of water is converted into electrical energy via an energy conversion unit. For exa... | 10/20/2009 |
| 7579701 | Insulation and power generation system for buildings A system for insulating a building and generating electricity includes a method for providing insulation for a building that resists heat transfer through conduction, convection and radiation, creating a series of air channels to transfer heat away from the undersid... | 08/25/2009 |
| 7579700 | System and method for converting electrical energy into pressurized air and converting pressurized air into electricity A system for converting electricity into pressurized air, and converting pressurized air into electricity. The system includes a pressurized air reservoir, two high pressure tanks, a pump and an electrical motor convertible into a hydro turbine and an electricity ge... | 08/25/2009 |
| 7525207 | Water-based data center A system includes a floating platform-mounted computer data center comprising a plurality of computing units, a sea-based electrical generator in electrical connection with the plurality of computing units, and one or more sea-water cooling units for providing cooli... | 04/28/2009 |
| 7511385 | Power converters The present invention provides_a power converter that can be used to interface a generator (4) that provides variable voltage at variable frequency to a supply network operating at nominally fixed voltage and nominally fixed frequency and including features t... | 03/31/2009 |
| 7501712 | Process for using waste water from community sewer systems to generate electrical power Turbines are attached to the out-flow discharge drain lines of public sewer systems to convert the kinetic energy of the flowing and often pressurized waste water to electrical energy, by using Hydro-Generators and conducting this new electrical power back to the po... | 03/10/2009 |
| 7498683 | Device for converting flow energy into electrical energy A device for converting flow energy of a fluid into electrical energy, said device comprising: h) a rotor (1) which can be driven by the fluid and comprises rotor shaft (2), i) an electric generator (... | 03/03/2009 |
| 7489046 | Water turbine system and method of operation A system for providing electrical power from a current turbine is provided. The system includes a floatation device and a mooring. A water turbine structure is provided having an upper and lower portion wherein the lower portion includes a water fillable chamber. A ... | 02/10/2009 |
| 7471006 | Apparatus and method for generating electric power from a subsurface water current The present invention is a system for generating power using water current. In one embodiment, a subsurface power generating system includes a first power generating node, with at least one cross-flow turbine, at least one universal gear coupled to the at least one ... | 12/30/2008 |
| 7466035 | Transportable hydro-electric generating system with improved water pressure enhancement feature The invention is a transportable hydroelectric power generating system which is capable of being fully or partially assembled in a factory setting and then transported to a water stream. The system includes water channeling features which enhance the pressure within... | 12/16/2008 |
| 7462945 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The liquid treatment system may include a first liquid flo... | 12/09/2008 |
| 7429803 | Sewer line power generating system The sewer line power generating system is designed to be positioned within a manhole. The system generates electricity from water flowing through sewer lines. The system includes a hydro turbine that can be raised and lowered into water flowing through sewer lines. ... | 09/30/2008 |
| 7429802 | Vehicle-use generator The vehicle-use generator includes a first rotor core having a first field coil wound therearound, a second rotor core having a second field coil wound therearound, a rotating shaft belt-driven by a vehicle engine, the first and second rotor cores being mounted in t... | 09/30/2008 |
| 7420288 | Stall controller and triggering condition control features for a wind turbine Control features for a wind turbine that control the turbine over a range of wind speeds and under triggering conditions with reduced noise, cost, and reliability issues associated with other such controls. Control is accomplished via control electronics, which adju... | 09/02/2008 |
| 7400050 | Quantum well thermoelectric power source A quantum well thermoelectric module providing very high conversion of heat energy in to electrical energy. In prefered embodiments the module provides electric power for monitoring, measuring or detecting any of a variety of things (such as temperature, smoke, othe... | 07/15/2008 |
| 7397144 | Bearing-less floating wind turbine A floating wind turbine in which a floating barge having a doughnut shape with an open center rigidly supports a plurality of airfoils such that a wind produces a rotation of the blades and the barge. The airfoil and barge assembly is connected to a rigid shaft that... | 07/08/2008 |
| 7388302 | Hydro-electric power generating system with an adjustable water diversion system A hydroelectric power plant for use in flowing bodies of water is described which includes a new spillway canal constructed to enhance the flow of water by increasing the water pressure. Because the canal has the angled feature on both ends, the water flow can be en... | 06/17/2008 |
| 7378750 | Tidal flow hydroelectric turbine A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor preferably with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are p... | 05/27/2008 |
| 7378751 | Fire protection The present invention concerns a wind power installation comprising a pylon and a pod arranged at the tip of the pylon. The invention further concerns a method of controlling such a wind power installation. In order to prevent a fire from occurring or at least to be... | 05/27/2008 |
| 7375437 | Hydroelectric device The present invention provides a hydroelectric device including generally a base portion with a top surface, a bottom surface, and opposing sidewalls defining an interior space of the base portion. The interior space of the base portion is such that it is wider near... | 05/20/2008 |
| 7372174 | Power converters The present invention provides a power converter that can be used to interface a generator that provides variable voltage at variable frequency to a supply network operating at nominally fixed voltage and nominally fixed frequency and including features that allow t... | 05/13/2008 |
| 7372172 | Device and method for the generation of electrical energy Arrangement for generating electrical power from a flowing medium, wherein the arrangement includes a plurality of turbine generator units. At least some of the plurality of generator units are arranged at least one of one above another and one beside another. At le... | 05/13/2008 |
| 7368828 | Wind energy system A wind energy system comprising a queue of turbines housed in a horizontal air conduit. The inlet end of the conduit opens into a wind collector assembly, which preferably comprises in part downwardly extending earthen slope, such as a hillside or embankment. The wi... | 05/06/2008 |
| 7365445 | Apparatus for converting ocean wave energy to electrical energy A wave motion generator having a bore hole at a coastline of an ocean. The bore hole lower end communicates with the ocean underwater while the upper end is above water level, allowing wave motion within the bore hole. A float disposed within the bore hole may trave... | 04/29/2008 |
| 7365448 | Wind driven power generator 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... | 04/29/2008 |