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7347667 |
Wind power installation
This relates to a wind power installation comprising a pylon (tower) and a rotor arranged on the pylon and having at least one individually adjustable rotor blade. The wind power installation...
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7331762 |
Submerged water current turbines installed on a deck
A support structure for a flowing-water drivable turbine system having a pair of generally horizontal decks of streamlined cross-section and at least one turbine assembly mounted thereon for...
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7296971 |
Wind power station
An arrangement for a floating wind power station ( 1 ) tower ( 3 ) which floats in a substantially vertical position in that the effective centre of gravity of the tower ( 3 ) is below the centre...
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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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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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6979171 |
Maritime energy generating device
A maritime energy generating device including a windmill mounted on a floating foundation, the windmill having a machine compartment mounted at the top of a tower and the foundation being fixed to...
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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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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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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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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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5800123 |
Bladed pump capstan
An apparatus for tensioning a subsurface float line and the like during doyment of the line and thereafter includes a capstan rotatably mounted and located in a liquid medium, the capstan having a...
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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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5484257 |
Wind energy device
A device for generating rotating shaft power from atmospheric air includes an airfoil. A partition is disposed within the airfoil along the length thereof. The partition forms an upper chamber and...
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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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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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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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5040948 |
Coaxial multi-turbine generator
Turbines are suspended coaxially between a hub structure and a pivot. The hub acts to stabilize the coaxial turbine system and it acts as the power take off. The pivot acts to stabilize the other...
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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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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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4843249 |
Hydroelectric system
A system for generating electrical power from sea waves employs a multiplicity of turbine units, preferably disposed in a generally V-shaped array. By properly positioning them with respect to the...
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4764313 |
Air driven water circulation mill
A flotation platform supports a mast assembly through which a drive shaft extends having a wind driven turbine on the upper end and a propeller on the lower end situated below the water surface....
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4748808 |
Fluid powered motor-generator apparatus
A fluid powered motor-generator apparatus includes a generator having a power output and a mechanically driven input. A generally streamlined motor body is rotatably mounted to drive the generator...
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4725195 |
Advanced piggyback water power generator
A water power apparatus, composed of independent, uniquely combined, and improved design features, which provides for: (1) side pontoons, the respective bows of which angle water away from the...
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4722665 |
Turbine
A water turbine has a series of spaced blades attached to and extending around the periphery of a body portion, preferably of conical or similar shape; each of the blades has a leading end mounted...
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4684817 |
Valvular sail power plant
A windmill generally intended to rotate in a horizontal plane about a vertical axis, includes essentially radial vanes; each which is effectively a one way valve respective to air flow; each which...
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4675536 |
Apparatus for extracting energy from the waves in a body of liquid
The invention describes an energy extractor for extracting energy from waves in the sea. A ring spine is disclosed and on the spine, spaced circumferentially thereof are flexible membranes which...
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4659940 |
Power generation from high altitude winds
There are disclosed method and apparatus for the production of electrical power from high altitude winds. A kitecraft (12) secured to a ground tether (14) supports a cylindrical drum (10) rotatable...
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4624648 |
Aerial toy
A rotary aerial toy comprising a tubular sleeve of flexible material and of circular cross section. In one form of the invention the tubular sleeve tapers from one end toward the other with air...
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4598210 |
Water current motor
A hull floating on a body of water is tethered by an anchored mooring cable so that it is disposed to trail from the anchor in a current. The hull supports a rotary load such as an electric...
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4572962 |
Apparatus for extracting energy from winds at high altitudes
A wind-operated power-generating module for operation at high altitudes such as 1000 meters comprising a frame structure mounting a pair of vertically-separated parallel shafts around which pass...
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4540528 |
Apparatus for mixing gas and liquid
Apparatus for mixing air with liquid, an aerator or oxygenator, comprises a motor or other power drive generally mounted in vertical position on a floating or a fixed structure, the motor having a...
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4533292 |
Turbine rotatable in one direction in a reciprocating flow
A turbine includes a plurality of blades mounted on a rotary pedestal such that the pedestal is rotatable in the same direction regardless of the direction of flow. Conversion efficiency is...
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4531063 |
System for recovering wave energy and its conversion into useful energy
A system for recovering wave energy and its conversion into mechanical and electrical energy, comprising a pickup member kept in a submerged position and one or more resilient lines (extensible...
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4524285 |
Hydro-current energy converter
A hydro-dynamic device for capturing the energy of a natural stream of flowing water, and converting such current or flow of water energy into electric power for user consumption. The device has a...
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4519742 |
Apparatus for utilizing the energy present in flowing water
A rotatable shaft is provided with a plurality of blades each fixed at one end to the shaft and extending radially outwardly therefrom. Each of the blades has at least one gate or opening for the...
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4516033 |
Apparatus for converting flow of water into electrical power
Apparatus for generating electrical power includes a floatable platform, which supports a plurality of water wheels. The shafts of the water wheels are interconnected in tandem for driving an...
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4495424 |
Plant for utilization of wind and waves
A plant for the combined utilization of energy from both wind and waves includes a plurality of fluid flow engines for utilizing both energies, and generating power therefrom. Each engine includes...
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4491739 |
Airship-floated wind turbine
A wind turbine, by use of a tethered airship for support, may be designed for the economical recovery of power at heights of 2,000 feet or more above ground, at which height power density in the...
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4470563 |
Airship-windmill
From one or more lighter than air bodies, carrying wind energy catching rotor devices, like windmills, turbines or the like, the caught energy is mechanically transmitted to earth by at least one...
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4468358 |
Apparatus for mixing air and liquid
Apparatus for mixing air with liquid (aerator or oxygenator) comprises a motor or other power drive generally mounted in vertical position on a float or a fixed structure, the motor having a shaft...
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4447740 |
Wave responsive generator
A wave responsive generator comprises a buoyant float having an outer fixed shaft downwardly depending from the float with an inner rotatable drive shaft movably mounted within the outer shaft. At...
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4446378 |
System for the generation of electrical energy by utilizing the kinetic energy of seawater
The subject-matter of the present invention is a system for the generation of electrical energy by utilizing the kinetic energy of seawater, comprising a floating body exhibiting two floating...
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4412417 |
Wave energy converter
An improved rotational buoyant mass for wave energy conversion apparatus is disclosed. The rotational buoyant mass comprises at least one pair of helical volumes mounted for rotation about a common...
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4406586 |
Device to convert the energy of a fluid in motion
A device to convert wave energy into mechanical energy, comprises a buoyant structure whose upper portion is in the region of wave action but whose lower section is below the region of wave action,...
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4383182 |
Underwater power generator
Apparatus and method for generating electrical power by disposing a plurality of power producing modules in a substantially constant velocity ocean current and mechanically coupling the output of...
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4352990 |
Water powered electric generator
An apparatus for efficiently converting the power of running water to useful electrical energy; the apparatus including a pair of floating pontoons anchored in a running stream, and between which a...
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