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7612462 |
Floating wind turbine system
A floating wind turbine system with a tower structure that includes at least one stability arm extending therefrom and that is anchored to the sea floor with a rotatable position retention device...
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7608939 |
Methods and apparatus for assembling and operating monocoque rotary machines
A method and apparatus of assembling a rotary machine includes providing at least one component. The component is at least one of a rotating member and a stationary member. The method and apparatus...
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7598624 |
Marine wave energy conversion system
An energy conversion system includes a first mechanical system for converting reciprocating motion to rotary motion, a second system formed of belts and pulleys connected to said first system and...
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7579704 |
Wave power apparatus having a float and means for locking the float in a position above the ocean surface
A wave power apparatus includes at least one rotationally supported arm ( 122 ) which carries a float ( 124 ) at its free end, so that a translational movement of the float caused by a wave results...
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7564143 |
Staging of tidal power reserves to deliver constant electrical generation
Oceanic tidal energy sources hydroelectric generating system coupled to a primary tidal basin through a bi-directional tideway exciting a turbine as a diurnal cycle tide waxes and wanes. A...
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7562526 |
Wave power generating device
This invention relates to a wave power generating device, comprising a lifting pillar installed on a floating platform, a sleeve covered outside said lifting pillar and two groups of ratchet wheel...
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7557456 |
Wave powered generation using electroactive polymers
Described herein are systems and methods that use an electroactive polymer transducer to convert mechanical energy, originally contained in one or more waves, to electrical energy. Marine devices...
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7554216 |
Modular near-shore wave-powered energy collection system
A modular near-shore wave-powered energy collection system, which includes a plurality of connected modules, each module including at least one flotation device and at least one OWC, wherein each...
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7554215 |
Generator and method for generating electricity from subsurface currents
A generator can convert the energy from subsurface currents or undertow into electricity. The generator has a submergible electrical coil adapted to allow water propelled by subsurface currents to...
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7549288 |
Wave energy power extraction system
An apparatus for generating power from waves. Weighted power cells are suspended at opposing ends of a connecting arm supported by a floating frame that rocks in response to passing waves. The...
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7538445 |
Wave powered generation
Described herein are marine devices and methods that convert mechanical energy in one or more waves to mechanical energy that is better suited for conversion into electrical energy. The marine...
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7536859 |
Apparatus for wave energy harnessing
An apparatus for wave energy harnessing includes at least one slide shaft, a buoyant unit, an energy-transmitting unit, and a rotate unit. The slide shaft is firmly mounted on the seabed. The...
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7535117 |
Ocean wave power recovery and conversion spar buoy engine
A device for capturing power in a wave of a body of water and converting it to useful form. The device includes a housing portion having an opening for receiving flow from a wave in a body of...
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7525214 |
Wave-power system and method for generating energy at constant rotational speed at variable significant wave heights and periods
A wave energy conversion system or device is provided which includes a hull that serves as a float, moving up and down with incoming waves. The power take-off system contained within the hull...
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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...
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7511386 |
Air-blower tidal power generation device
An air-blower tidal power generation device includes a rack, an air-blower mechanism, and a power generation mechanism. The air-blower mechanism includes a pumping device, a buoy, and an air...
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7498685 |
Electrical generator
An electrical generator having two generator components, namely a coil and a magnet. One of the generator components is attached to a fixed or buoyant pylon, and the other of the generator...
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7487637 |
Submerged run of river turbine
The invention relates to a hydraulic power plant transforming hydraulic energy of a water flow by means of a hydraulic turbine. The inventive hydraulic turbine comprises a rotor, a generator and a...
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7476986 |
Wave-action energy producing apparatus
Apparatus is disclosed for generating electrical energy from mechanical energy in the form of liquid-propagated waves, such as ocean waves. In certain embodiments, a panel is connected to a shaft...
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7476137 |
Expandable wave energy conversion system
A wave energy converter (WEC) for converting energy contained in surface waves on a body of water to useful energy comprises two floats movable relative to one another in response to passing...
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7468563 |
Ocean wave air piston
An ocean wave driven energy device that uses the power of ocean waves to continually lift and lower a float which in turn lifts or lowers one side of a lever arm about a stationary pivot point...
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7459802 |
Marine wave energy conversion system
An energy conversion system includes a first mechanical system for converting reciprocating motion to rotary motion, a second system formed of belts and pulleys connected to said first system and...
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7453165 |
Method and apparatus for converting ocean wave energy into electricity
A method and apparatus for harnessing power associated with ocean waves and converting that power into electricity. The apparatus is a buoy that houses a vertically oriented central shaft, a...
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7453164 |
Wind power system
A system for capturing and converting and/or storing wind energy includes a vessel adapted to receive at least one wind machine for capturing wind and a device for converting wind energy to...
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7448210 |
Wave powered system for generating energy
An apparatus powered by waves to generate hydraulic energy that includes a housing structure, an inlet portion, a central channel, an outlet portion and floater assemblies positioned within the...
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7444810 |
Lever operated pivoting float with generator
A device comprising a pivoting float and lever arm combination attached to a beam such that the float and lever arm can unfold and change orientation to the ocean surface. The float and lever arm...
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7443047 |
Multiphased and multidimentional wave converter
The special feature of this multiphase and multidimensional wave converter is that it exploits, in an efficient and enduring manner, substantially all of the energy in all waves of the sea, also...
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7443046 |
Wave energy converter utilizing internal reaction mass and spring
A wave energy converter (WEC) includes a shell suitable for being placed within a body of water. The shell contains an internal oscillator comprising a “reaction mass” and a spring mechanism...
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7443045 |
Wave power apparatus
A wave power apparatus includes a plurality of buoyant elongate body members, at least one adjacent pair of body members being interconnected by a linkage unit to form an articulated chain. Each...
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7436082 |
Rocking motion charging device using faraday principle
The present invention provides rocking motion charging device using Faraday's principle. The rocking motion charging device features at least three rocking devices for generating electricity and a...
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7425770 |
Vibration wave motor
Provided is a vibration wave motor including a pressurizing mechanism and a guide mechanism which are used for a moving member and can be thinned. The influence of a restoring force can be...
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7420287 |
Intermittent force powered electromagnetic converters especially for sea waves
Converters and method for intermittent forces energy conversion into electric power and damping excessive forces are presented. The converters employ various exemplified electromagnetic...
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7411311 |
Wave power plant
Wave power plant consisting of frame carrying at least two paddles unit, capable of moving successively in series, when driven by progressive waves and returning by the gravitation power and the...
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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...
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7391127 |
Renewable energy wave pump
A renewable energy electric power generating system consisting of Renewable Energy Wave Pumps, located under water, anchored to the sea bed, auto regulating to variable sea elevations and...
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7385302 |
Wind turbine having variable pitch airfoils
A wind turbine, having: a rotatable frame; a plurality of airfoils mounted to the rotatable frame, the wherein the airfoils extend parallel to an axis of rotation of the rotatable frame, and...
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7375436 |
Gyroscope-based electricity generator
Techniques and devices that use precession of at least one spinning gyroscope to drive a motor generator to produce electricity from an oscillating motion that causes the precession of the...
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7372171 |
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...
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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...
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7362003 |
Coil switching circuit for linear electric generator
In a linear electric generator (LEG) which includes apparatus for passing a permanent magnetic assembly (PMA) along linearly disposed sections of coils of an induction coil assembly (ICA) for...
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7355293 |
Wave power assembly with an electromagnetic dampning means
A wave power assembly comprising a hull and a linear electric generator. The rotor is connected to the hull and the stator is arranged to be anchored at a sea/lake bottom. The generator is provided...
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7352073 |
Ocean wave energy converter having an improved generator and ballast control
The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives...
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7339285 |
Hydroelectric wave-energy conversion system
A method and system to capture kinetic energy of the sea waves and convert it to electrical power is presented. The hydrodynamic power of the waves is converted to mechanical power after impacting...
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7339284 |
Apparatus for generating electrical power from tidal water movement
A tidally driven electricity generator ( 1 ) has a series of turbines ( 2 ), each of which is mounted under water in an offshore location. Each turbine ( 2 ) has blades ( 3 ) which are rotated by...
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7327049 |
Wave generator power plant
The Wave Generator Power Plant converts the energy in sea waves into electricity. The wave motor portion of the power plant utilizes a buoyant, moving, semisubmerged, cone-shaped pontoon that is...
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7323790 |
Wave energy converters (WECs) with linear electric generators (LEGs)
An ocean wave energy converter (WEC) utilizes the relative motion between permanent magnet and induction coil assemblies to generate electricity. The permanent magnet assemblies and induction coil...
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7319278 |
Ocean wave generation
An ocean wave generator includes a buoy for floating on the surface of the ocean. A generator is mounted to the buoy. A pulley is mounted on the generator for turning the generator. An anchor cable...
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7315092 |
Wave powered electric generating device
Disclosed is a wave powered electric generating device for generating electric power from wave-driven water body in a fast, easy, inexpensive, and efficient manner such that the set up has less...
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7305823 |
Active impedance matching systems and methods for wave energy converter
The invention relates to active impedance matching systems (AIMS) and methods for increasing the efficiency of a wave energy converter (WEC) having a shaft and a shell intended to be placed in a...
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7304399 |
Wave power assembly
A wave power assembly having a hull and a linear electric generator. The rotor is connected to the hull by connection means so that lifting force is transferred from the hull to the rotor. Spring...
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