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| Number | Title | Issue Date |
| 6809430 | Conveyor-type fluid energy-harnessing apparatus A conveyor-type apparatus harnesses energy from a fluid flow, for example a river or a tidal flow region, and comprises a support structure, a continuous-loop, flexible driven element, for example a pair of chains, mounted to the support structure and extending alon... | 10/26/2004 |
| 6806586 | Apparatus and method to convert marine current into electrical power A marine current power installation that takes energy from marine currents. The marine current power installation takes kinetic energy of flow from the marine current and converts the kinetic energy into electrical energy. The marine current water power installation... | 10/19/2004 |
| 6800955 | Fluid-powered energy conversion device A fluid-powered energy conversion device converts energy in a moving fluid into mechanical energy. A rigid cylindrical frame of toroidal baffles forms an upstream annular chamber and a downstream annular chamber, each of the chambers having open sides to allow entry... | 10/05/2004 |
| 6798081 | Energy-efficient and environmentally helpful power conversion system and method A high-efficiency energy conversion system and method which is able to use a low volume air flow source such as a vacuum cleaner to turn a drive means and generate rotary energy. The system and method includes a water-filled container and a drive means which is sele... | 09/28/2004 |
| 6798080 | Hydro-power generation for a water treatment system and method of supplying electricity using a flow of liquid A hydro-power generation system for use in conjunction with a water treatment system is disclosed. The embodiments of the hydro-power generation system include an impeller rotatably positioned in a housing. The impeller is rotatably coupled with a generator. When wa... | 09/28/2004 |
| 6791206 | Method for making a stabilized energy conversion operating platform A floating ocean swell electric generator system includes a floating platform having a deck and an engine for propelling a floating platform. A plurality of ocean electric generators are mounted on the floating platform. Each floating generator has an elongated stat... | 09/14/2004 |
| 6787934 | Turbine system A turbine has a first rotating portion configured to rotate about an axis and a second rotating portion configured to rotate about the same axis. The first rotating portion has a plurality of first fluid outlets, and, the second rotating portion has a plurality of s... | 09/07/2004 |
| 6768218 | Small hydroelectric power generator According to the small hydroelectric power generator of the present invention, each of the outer peripheral portions of the hydraulic turbine which oppose to the ejecting openings are made in an edge shape. Therefore, the ejecting openings will not be blocked by the... | 07/27/2004 |
| 6768214 | Vibration based power generator Electrical power generators and methods of producing power in a subterranean well are provided. In a described embodiment, fluid flow through a fluid conduit causes a member to displace or vibrate. The displacement of the member is utilized to induce strain in a pie... | 07/27/2004 |
| 6768216 | Wave energy converters utilizing pressure differences An elongated cylinder is fully submerged, in vertical orientation, just below the mean water level of, e.g., and ocean, and of a length, dependent upon surface waves of preselected wavelength, such that the top of the cylinder experiences relatively large pressure v... | 07/27/2004 |
| 6768217 | Wave energy converter system of improved efficiency and survivability A known type of surface wave energy converter comprises a submerged elongated tube supported by, but being vertically movable relative to, an anchored float. The tube vertically reciprocates in response to overpassing surface waves and drives a transducer for genera... | 07/27/2004 |
| 6765307 | Wave energy converter (WEC) A wave energy converter (WEC), for use in a body of water of depth Dw, includes a tubular structure and a piston within the tubular structure where the relative motion between the piston and the tubular structure is used to generate electric power. The length (L) of... | 07/20/2004 |
| 6765308 | Hydro-energy conversion system A hydro-energy conversion system that comprises a hydraulic turbine rotor, a turbine housing that is rotatably connected to the hydraulic turbine rotor and a turbine cover that is detachably connected to the turbine housing. A mounting flange is connected to the tur... | 07/20/2004 |
| 6759758 | Wind turbines for electrical power generation Improvements to wind turbines for electrical power generation, incorporating a blade (4) rotor for harnessing the action of the wind, which consists of a hub (3) prolonged at the rear with an extension (7) that constitutes the assembly shaft for... | 07/06/2004 |
| 6759757 | Method and apparatus for converting tidal power into electrical energy There is disclosed a caisson and a method of using same. The caisson is for creating electrical power from a tidal stream. The power may be used to create hydrogen for hydrogen fuel cells. The device includes a body having an inlet and an outlet to allow the passage... | 07/06/2004 |
| 6756695 | Method of and apparatus for wave energy conversion using a float with excess buoyancy A method of and apparatus for generating electricity from ocean waves by utilizing a float with excessive buoyancy. The basic arrangement and principle utilizes a float with excess buoyancy which exerts a primarily upward buoyant force on the float along a direction... | 06/29/2004 |
| 6750559 | Wind power plant with a movable container The invention involves a wind power plant for converting wind power into electric energy and a process for replacing machine parts of the housing of a wind power plant of this type using on-board mechanisms. According to the invention, the wind power plant has a tow... | 06/15/2004 |
| 6747363 | Floating platform harvesting sea wave energy for electric power generation A floating platform harvesting sea wave energy comprising a helix or a turbine arranged at the bottom of a containment tube on a horizontal plane and devices to maintain the platform on the valley of the waves when the tide raises the sea level. ... | 06/08/2004 |
| 6741000 | Electro-magnetic archimedean screw motor-generator An Archimedes' screw serves as a rotor, inducer, impeller, and/or driver with motor and/or generator configurations that surround the screw by attaching to an outer cylinder of the screw. The screw acts as the motor's rotor axis with attached permanent magnets and o... | 05/25/2004 |
| 6734576 | Eolic marine electrical generator GEEM Apparatus for generating electrical energy from a flowing medium of wind or water in which a rotary structure is supported for rotation in response to the flower medium and has an open frame with a plurality of panels pivotably mounted at end edeges therefore for mo... | 05/11/2004 |
| 6734574 | Buoyancy-driven electric power generator A Buoyancy-Driven System for generating electric power is disclosed. The Buoyancy-Driven System utilizes Archimedes' Principle to drive magnet capsules through a fluid-filled portion of pipe and gravity to return the magnet capsules. As the magnet capsules pass thro... | 05/11/2004 |
| 6731018 | Water generator oscillating due to rapid flow of fluid A prime mover for extracting power from moving water is described comprising a body which is caused to oscillate in water by reversing the direction of thrust generated by at least one submerged control member e.g. a hydroplane or rotating cylinder protruding from a... | 05/04/2004 |
| 6731019 | Apparatus and method for optimizing the power transfer produced by a wave energy converter (WEC) A wave energy converter (WEC) including an electric generator for capturing energy contained in ocean waves and converting it to electrical energy at the output of the electric generator may be characterized as an effective capacitive (or inductive) element. Systems... | 05/04/2004 |
| 6727600 | Small underwater generator with self-adjusting axial gap An underwater generator contains a three-phase electromagnetic coil system imbedded in a stator to form an external face surface perpendicular to its axis. A rotor contains radial vanes and a system of alternating permanent magnets imbedded onto a peripheral ring ou... | 04/27/2004 |
| 6717283 | Annulus pressure operated electric power generator Electric power is generated downhole by changes in annulus pressure. In a described embodiment, a system for generating electric power includes a piston, an accumulator, a reservoir of hydraulic fluid, a turbine, and a generator. A change in annulus pressure causes ... | 04/06/2004 |
| 6696766 | Atmospheric cold megawatts (ACM) system TM for generating energy from differences in atmospheric pressure A system for the generation of energy based upon the differences in the atmospheric pressure at geographically spaced apart sites, referred herein as the "Atmospheric Cold Megawatt" energy producing system of the invention (hereinafter "ACM") comprises at... | 02/24/2004 |
| 6661112 | Fluid control system with automatic recovery feature A fluid control method includes providing fluid flow through a conduit having a pressure sensitive shutdown valve; driving an electrical power generator with the turbine wheel and delivering electrical power to a storage battery which in-turn powers the c... | 12/09/2003 |
| 6641327 | Water turbine arrangement A water turbine arrangement employs a generator enclosed in a cylindrical casing. A turbine is arranged directly on the generator shaft outside the casing. The casing is arranged to a flow conduit by a support structure which has a tubular support shaft a... | 11/04/2003 |
| 6617705 | Protection arrangement for natural energy power generation systems Protection against damage caused by excessively high input energies, e.g., from ocean storms, is provided in energy converting systems by, in response to the detection of excessively high input energies, changing the electrical impedance of the electrical... | 09/09/2003 |
| 6606857 | Fluid actuated generator A fluid actuated power assembly for generating power from a pressurized fluid. A tube is provided for siphoning fluid from a body of water to a vane motor. A generator is coupled to the vane motor to produce electricity. The tube is preferably modular and... | 08/19/2003 |
| 6580177 | Electrical power extraction from mechanical disturbances A method of extracting power includes coupling a transducer that converts mechanical power to electrical power to a disturbance; coupling an electrical circuit to the transducer such that a peak voltage experienced by the transducer is greater than two ti... | 06/17/2003 |
| 6568181 | Apparatus for extracting power from a fluid flow A device for extracting energy from underwater fluid flows, comprising at least one fluid formation directing device (10) defining a constricted channel (20) arranged to cause fluid entering it to accelerate. A conduit (30) in fluid communication with a c... | 05/27/2003 |
| 6559552 | Rain, wind, wave, and solar energy 4-in-1 electric generating installation The rain, wind, wave, and solar energy 4-in-1 electric generating installation comprises mainly a wind wheel (2), a water wheel (3) two solar plates (1 and 1A), a wind and current plate (4), a turntable (6), and four floats (14). All these components work... | 05/06/2003 |
| 6559554 | Hydrocratic generator A hydraulic power generation system is provided for generating power using a pseudo-osmosis process which efficiently exploits the osmotic energy potential between two bodies of water having different salinity concentrations. The method and apparatus of t... | 05/06/2003 |
| 6559553 | Small-sized hydroelectric power generating apparatus A small-sized hydroelectric power generating apparatus includes a body case having a fluid passage, a water wheel provided at the above fluid passage and rotating with passing of the fluid having the predetermined flowing amount, a rotator coupled to this... | 05/06/2003 |
| 6555931 | Renewable energy systems using long-stroke open-channel reciprocating engines Renewable energy systems extracting energy from natural water flow or wind. The energy systems are configurations of long-stroke open-channel reciprocating engines employing one or two flow engaging elements such as drogue chutes for water flow or airfoil... | 04/29/2003 |
| 6551053 | Hydro-electric generator A hydro-electric generator for producing electricity in areas of flowing water. The hydro-electric generator includes a flotation device. An electric generator is mounted on the floatation device. A paddle wheel is rotatably mounted to the floatation devi... | 04/22/2003 |
| 6534881 | Waterwheel power generating device A waterwheel apparatus designed to generate power. The waterwheel is set below the surface of a body of water. The waterwheel has air chambers that inflate and deflate. The air chambers within the wheel have air valves. Air is introduced into specific cha... | 03/18/2003 |
| 6531788 | Submersible electrical power generating plant A submersible generating plant for producing electricity from ocean currents. The apparatus consists of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey th... | 03/11/2003 |
| 6522039 | Remote power source for electrostatic paint applicator A remote low voltage power source for electrostatic paint applicators used in hazardous locations. A low voltage generator and voltage conditioning and regulating circuitry are mounted in a small explosion proof housing. A generator shaft and a shaft on a... | 02/18/2003 |
