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| Number | Title | Issue Date |
| 8188609 | Miniature hydro-power generation system power management A miniature hydro-power generation system includes a hydro-power generator, a processor and an energy storage device. A flow of liquid may be used to rotate the hydro-generator to generate electric power. The processor is configured to monitor a level of the electri... | 05/29/2012 |
| 8183703 | Sea wave turbine speed control A valve that controls the speed of a turbine that is moved by an oscillating air column. This turbine's speed is constantly being compared with the constant output of a digital oscillator. The deference between this two is an error voltage that is amplified and appl... | 05/22/2012 |
| 8169094 | Generating system using solar energy and wind power A generating system includes a first generating device (1) and a second generating device (2). The first generating device includes a housing (11), a solar cell panel (12), a storage unit (13), a heat conduction layer (16), ... | 05/01/2012 |
| 8154138 | Municipal wastewater electrical power generation assembly and a method for generating electrical power An electrical generating assembly 10 which may be selectively used in combination with and/or as part of a municipal wastewater treatment facility 12 and which allows the wastewater treatment facility 12 to generate electrical energy 48, 62, ... | 04/10/2012 |
| 8120191 | Efficient energy conversion devices and methods In various embodiments, an apparatus for producing electricity includes a plurality of hydraulic-to-electric converters with each hydraulic-to-electric converters including a hydraulic motor coupled to a common high-pressure hydraulic line and a common low-pressure ... | 02/21/2012 |
| 8115329 | Water turbine with bi-symmetric airfoil Known underwater turbine units suffer from problems, e.g. an ability to operate in ebb and/or flow tides. Accordingly, the invention provides aerofoil (5), wherein the aerofoil (5) is symmetrical about a mid-chord line (A) thereof. The aerofoil (5 | 02/14/2012 |
| 8080888 | Hydraulic generator drive system A hydraulic generator drive system. The drive system has a control system that utilizes a first loop control that receives a signal associated with hydraulic pump or motor output and sends a command signal to a pump controller in order to control the hydraulic pump.... | 12/20/2011 |
| 8058739 | Main circuit of electric power generating apparatus for dispersed power supply In an electric power generating apparatus for dispersed power supply using a permanent magnet type electric power generator having many kinds of windings in order to obtain the maximum output by force of wind without using PWM converter, there is a problem that gap ... | 11/15/2011 |
| 8030789 | Wave turbine An wave turbine composed of a omnidirectional turbine (or Double Wind Turbine) that is used with two tanks and a connecting tube between the two tanks. This omnidirectional turbine is placed in the middle of the connecting tube in a vertical axis position. The two t... | 10/04/2011 |
| 8030790 | Hybrid water pressure energy accumulating wind turbine and method A hybrid water pressure energy accumulating, wind turbine tower assembly used to directly propel water pumps to raise water from low elevation reservoir(s) to high elevation reservoir(s) where it is used as a potential energy. The wind tower assembly includes a wind... | 10/04/2011 |
| 8026621 | Flow development and cogeneration chamber A fluid handling and cogeneration system has an inlet conduit receiving a fluid, a housing having a inlet end, a outlet end and an interior surface. The housing encloses an inner body which together with the housing is arranged to form an annular space between the i... | 09/27/2011 |
| 8026622 | Generator with falling stator A generator is provided including a rotatable pressure vessel with an inner and outer surface. Electromagnets are disposed on the inner surface of the pressure vessel. A biasing structure is configured to rotate within, and independently of, the pressure vessel and ... | 09/27/2011 |
| 8018080 | Hydroelectric device for the production of electricity, particularly from tidal currents A hydroelectric device, for the production of electricity in an aquatic environment with currents, includes a frame supporting a rotating member having a number of bearing surfaces that cooperate with the currents to generate a rotation of the rotating member. An el... | 09/13/2011 |
| 7994649 | Pelagic sustainable energy system The present invention provides a sustainable energy system for pelagic deployment that may comprise a frame, at least one wind turbine generator coupled to the frame, at least one pair of water turbine generators coupled to the frame, and a rotatable joint. ... | 08/09/2011 |
| 7936077 | Internal fluid handling for hydro-generator submerged in water Hydro-generator unit submerged in water comprised of watertight bulb housing containing a combination of converter transforming the hydraulic energy into mechanical power, drive train transmitting the mechanical power to generator that converts the mechanical power ... | 05/03/2011 |
| 7932618 | Miniature hydro-power generation system power management A miniature hydro-power generation system may include a hydro-power generator and energy storage devices. A flow of liquid may be used to rotate the hydro-generator to generate electric power at a generator output. The generator output may be electrically coupled to... | 04/26/2011 |
| 7919877 | Faucet generator A faucet generator includes: a cylindrical body which has a water inflow port and a water outflow port, and in which a water supply channel is formed; a rotor vane which has rotor vane blades, and which is disposed in the water supply channel; a magnet which is rota... | 04/05/2011 |
| 7919878 | Electrical energy generation using hydro-voltaic (HV) cells Inverse magneto hydrodynamics is employed to exploit natural movement of ocean water at coastal facilities using arrays of tubes to channel the water through orthogonal magnetic fields to generate DC voltage. Each such tube houses a plurality of serially arranged hy... | 04/05/2011 |
| 7915749 | Method for generating electrical power from municipal wastewater An electrical generating assembly 10 which may be selectively used in combination with and/or as part of a municipal wastewater treatment facility 12 and which allows the wastewater treatment facility 12 to generate electrical energy 48,62, 1... | 03/29/2011 |
| 7884490 | Resonating blade for electric power generation 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 magnet to produce ... | 02/08/2011 |
| 7875990 | Wind-energy power machine and storage energy power generating system and wind-driven power generating system The wind-energy power machine and storage energy power generating system and wind-driven power generation system belong to the field of wind-energy power machine and power generating and equipments technology. The wind-energy power machine consists of a center rotat... | 01/25/2011 |
| 7843077 | Pulsed energy transfer A system capable of converting fluid energy into electrical energy in conditions of low fluid flow is provided. In an embodiment, the system may engage and disengage an energy converter via an automatic clutch. In an embodiment, the transmission of energy to an ener... | 11/30/2010 |
| 7839007 | Pliant mechanisms for extracting power from moving fluid Flexible and elastic mechanisms for extracting power from a moving fluid. Sheet-like material is deformed during fabrication through an applied force so as to create undulations in said material, whose stresses are maintained through restraining components, thereby ... | 11/23/2010 |
| 7812470 | Method for making miniature hydro-power generation system 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... | 10/12/2010 |
| 7804182 | System and process for generating hydroelectric power A system and process for generating hydroelectric power within a body of water relying on the pressure head existing between two depths of the water. A vertically arranged conduit or penstock has an upper water intake and is in fluid communication with a reservoir s... | 09/28/2010 |
| 7795748 | System and process for generating hydroelectric power A system and process for generating hydroelectric power within a body of water uses head pressure existing between two depths of the water. A vertically arranged conduit has an upper water intake and is in fluid communication with a reservoir situated at a lower dep... | 09/14/2010 |
| 7759811 | Electronic control for a hydraulically driven generator Hydraulic system for driving an auxiliary power source is provided, which is specifically adapted for use with a system for controlling hydraulically driven AC generator. The system includes a hydraulic pump and hydraulic motor that are connected by a fluid circuit.... | 07/20/2010 |
| 7741727 | System and method for creating a networked infrastructure distribution platform of small fixed and vehicle based wind energy gathering devices along roadways A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of wind energy generating devices, and a roadway system electricity grid. The wind energy generating de... | 06/22/2010 |
| 7737570 | 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 ... | 06/15/2010 |
| 7709971 | Linear wind-powered electric generator A linear wind powered electric generator (LWPEG), which is particularly adapted for installation at geographical sites subject to lower wind intensities. More specifically, there are provided design concepts for an LWPEG, possessing reasonable economic parameters fo... | 05/04/2010 |
| 7705480 | Fluid power generator The fluid power generator is provided. The fluid power generator includes: a first member that has multiple coils; a second member that is rotatable relative to the first member and that has multiple permanent magnets; a rotating member that is mechanically linked w... | 04/27/2010 |
| 7692321 | 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... | 04/06/2010 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
