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7586207 |
Water wave power system
A system for generating energy using water waves includes a unit having two rotors connected by a ramp. The unit is positioned at or near the surface of a body of water and oriented so that the...
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7513733 |
Torque generator
The invention relates to a generator for obtaining energy, in particular a torque comprising at least two elastic buoyant bodies which are moved around at least two deflection elements, and in the...
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7465147 |
Portable power generating devices
Portable power generating devices are provided for converting potential energy from flowing water, water current, blowing air or air current to mechanical and/or electrical energy. The potential...
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7462949 |
Floating electricity production unit
Electricity is produced by harvesting energy from flowing water, which does not harm the environment and which does not consume natural resources. A paddle wheel is stationarily positioned to...
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7442002 |
Tidal turbine installation
An apparatus for generating electric power in freely flowing rivers includes a housing formed of an outside housing ( 6 ) and an inside housing ( 7 ) having an outlet ( 10 ) formed as a suction...
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7293960 |
Power generation assemblies, and apparatus for use therewith
A floating power generation assembly comprises at least three floating units ( 900 ) floating on a body of water, and at least three anchors ( 916 ) secured to a solid surface beneath the body of...
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7270513 |
Apparatus and method for generating power from moving water
Apparatus for generating power from a water current in a body of water comprises a longitudinally extending flotation platform for maintaining the apparatus afloat in the body of water and a water...
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7258523 |
Means to regulate water velocity through a hydro electric turbine
A hydro electric turbine having a flexible, collapsible front shroud, the upstream open end of the front shroud being controlled by a draw line passing through purse rings, whereby the upstream end...
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7105942 |
Plant, generator and propeller element for generating energy from watercurrents
A plant, generator and rotating member for the production of power from currents in a body of water, comprising a fixedly mounted of floating structure, and a plurality of replaceable generator...
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7011501 |
Energy generating system
A system ( 1 ) designed to generate energy with the aid of, primarily, sea currents, comprising a rotation body ( 4 ) having a front inlet side ( 2 ) and a rear outlet side ( 3 ), and at least one...
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6955049 |
Machine and system for power generation through movement of water
A machine and system for power generation through movement of water having an array of power generating cells electrically interconnected, where the array is configured in an interchangeable...
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6954006 |
Hydroelectric system
A hydroelectric system for disposal in a continuous flowing water vein includes at least one generator and a housing configured to include a venturi flow restriction for accelerating flow to the...
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6817180 |
Gravity as a source of renewable energy
The invention discloses a portable hydroelectric apparatus which converts the kinetic energy of water caused by gravity into electrical energy. This conversion is accomplished without the presence...
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6755607 |
Hydro-energy converter
A hydro-energy converter comprises a rotary member ( 9, 57 ) for converting energy of running water into rotary motion, means ( 3, 65, 67 ) for securing the rotary member in a position such that...
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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...
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RE38336 |
Hydroelectric powerplant
A hydroelectric turbine and a method of using the turbine in an open body of water to produce electric power is described. A turbine has a large opening to allow a stream of water to pass through....
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6626638 |
Ribbon drive power generation for variable flow conditions
The ribbon drive generation apparatus is comprised of a ribbon-like curved shape, composed either of metal or other suitable material, attached to a central axle with the complete apparatus being...
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6616403 |
Floating electric generator
A device for obtaining electric power from moving water, made up of a floating cylindrical body having a first end extending to a second end along a cylindrical surface having at least two blades....
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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....
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6527504 |
Plant for utilizing the energy in waves
A plant for utilizing the energy in the waves which are present at a given time in a section of a water area, such as an ocean or a lake. The plant comprises a base located in this section and in...
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6476513 |
Electrical generator system
An electrical wind generator system using multiple brushes for converting the kinetic energy of the wind into electrical energy. The electrical generator system includes a support frame assembly...
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6406251 |
Bi-directional hydroturbine assembly for tidal deployment
A bi-directional hydroturbine assembly for tidal deployment. A hydroturbine is carried by a cylindrical shroud. Rotation of the hydroturbine blades by tidal currents drives rotation of the shaft,...
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6402459 |
Device comprising an elongated tubular body arranged to be located in water
The invention relates to a device ( 1 ), including an elongated tubular body ( 3 ) arranged to be located in water in an essentially vertical position. The tubular body ( 3 ) includes an open end (...
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6379109 |
Method and apparatus for detecting and removing obstructions in mechanical aerators
Because mechanical aerators are located in a pond of liquid and, therefore, not subject to convenient visual monitoring by operations personnel, it is desirable to have a method for automatically...
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6355988 |
Water lift generator system
A water lift generator system for generating electricity by a water system propelled by the force of water cycling through the system. A multi-chamber water lift system includes an down cycle...
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6294844 |
Artificial wind turbine island
The invention relates to an installation comprising windmills (1) which are mounted in a frame (5, 6, 7) said frame is provided with float bodies (15), and it is capable of rotation about a...
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6246125 |
Portable wind and hydro electric generating system
A portable generating system for converting either water or wind energy into electricity comprises a paddle wheel assembly having a housing and a plurality of impellers rotatably mounted therein....
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6227803 |
Apparatus for generating electric power using wind force
An apparatus for generating electric power using wind force which is capable of generating good quality electric power by combining the apparatus with the inventor's water wave force-based electric...
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6217284 |
Oscillating fluid flow motor
An oscillating fluid flow motor and a fluid flow power system that converts the energy in the flowing fluid to mechanical energy through a vane that automatically sweeps back and forth across the...
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6168373 |
Dual hydroturbine unit
An environmentally non-intrusive multiple turbine unit for adjustable deployment in water. The turbines are captured in a shroud having an integrally formed augmentor ring and ballasting member to...
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6109863 |
Submersible appartus for generating electricity and associated method
A fully submersible apparatus for generating electricity from liquid flow as in an ocean or river current. A buoyant structure is fully submersible and has at least one pair of counter-rotating...
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6091161 |
Method of controlling operating depth of an electricity-generating device having a tethered water current-driven turbine
A method is described of controlling a tethered, underwater, water current-driven turbine, power-generating device. A predetermined maximum depth and a predetermined minimum depth are set. In...
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5946909 |
Floating turbine system for generating power
A series of floating turbine rotors each have a tubular hub with outwardly projecting blades, and the rotors are connected in general axial alignment by a flexible driven shaft. The shaft includes...
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5664418 |
Whirl-wind vertical axis wind and water turbine
A vertical axis wind turbine is supported by a frame held in place by an encircling series of crescent-shaped tubular deflector vanes. The vanes widen towards the turbine core, concentrating the...
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5471098 |
Device for connecting flow energy of water into electrical energy
A device is located in a body of flowing water and includes a bridge supporting an electrical generator and anchors for holding the bridge stationary with respect to water flowing past that bridge....
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5451137 |
Unidirectional helical reaction turbine operable under reversible fluid flow for power systems
A reaction turbine capable of providing high speed unidirectional rotation under a reversible ultra low head pressure and/or high velocity fluid flow is disclosed. The turbine comprises a working...
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5443361 |
Plant for the recovery of energy from waves in water
A plant for recovering energy from waves in motion comprises a wedge-shaped unit, anchored, and self-adjusting towards the waves. The floating reception unit (1) is placed in the water and has a...
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5440176 |
Ocean current power generator
An hydroelectric power plant is disclosed which comprises several combination turbine/generators which are suspended into an ocean current from a submerged tension leg type platform. Each of the...
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5324988 |
System for undersea wave generation of electric power
A system for generating electric power using undersea waves against a bag structure, mounted movably on a tower. The bag structure is made of large nylon bag, filled with compressed sea water and...
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5297925 |
Water column floating pump
This new invention, the water column floating pump, is a fluid pump which uses a rotationally symmetric container to pump fluid from an inlet reservoir to the outlet end of the rotationally...
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5281856 |
Water current energy converter
A water current energy converter designed for and capable of converting the flow energy of a moving body of water into electric power comprises at least one water driven flow machine, especially a...
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5186610 |
Buoyant pump assembly
A drilling mud water recovery apparatus for water collecting on drilling mud precipitated out of the mixture includes a buoyant pump assembly free floating on a layer of water above drilling mud....
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5154566 |
Perfected hydraulic machine preferably for minimum height waterfalls
This machine consists of an impeller formed by a right prism with a minimum weight/volume ratio and which has an irregular hexagonal section, three sides of which are bigger than the other three,...
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5051059 |
Fluid powered electric generator having hinged vane rotor
A hinged vane rotor generating power from rivers, streams, tides or wind. A cylindrical drum is supported sideways in a current by axles at the ends connected to pulleys which are in turn,...
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5011372 |
Aeration apparatus for pond
A high volume aeration device comprises a motor and propeller tube suspended in a pond by a float. A propeller on the motor shaft and inside the propeller tube creates a generally hollow water...
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4872805 |
Water powered device
A number of embodiments of water powered devices that are adapted to be positioned in a stream of moving water and which carry water wheels for driving a driven device. The driven device may...
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4868408 |
Portable water-powered electric generator
The disclosed portable water-powered electric generator unit has a tubular form with opposite open inlet and outlet ends defining a longitudinal flow path for the moving stream water. The tubular...
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4843250 |
Wave action power generator
A power generating apparatus including a watertight sealed buoyant vessel of cylindrical form having an external stabilizer for directing the vessel into the current. Internally, the vessel is...
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4832013 |
Portable underwater breathing apparatus
A portable floating apparatus for providing pressurized air to a submerged diver. The apparatus is comprised of the combination of a gasoline engine and an air compressor, said combination being...
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4789307 |
Floating pump assembly
A pump assembly has a housing with water admitting openings through the housing near the bottom. A pump in the housing has an intake near the bottom. A water level sensor connects the pump to a...
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