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6083382 |
Water desalination system
A system and method for producing potable water from a brine source uses an Archimedean screw to elevate water to an elevated point. The water is then filtered to desalinate the water through a...
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6000907 |
Fluid-activatable vane for a fluid turbine
A fluid-activatable vane is defined by a thin vane body having opposed narrow leading and trailing side edges and opposed substantially smooth large top and bottom surfaces. The body has a central...
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5947678 |
Water wheel with cylindrical blades
An improved liquid rotor device is provided having a cylindrically-shaped hub, which is supported by a horizontal shaft, and having several curved blades which are attached to the outer portions of...
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5921745 |
Low head turbine
A low speed water driven turbine having a housing to be erected vertically in a water course, a water intake and a water outlet, a drive shaft rotatably mounted along a central vertical axis of the...
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5755553 |
Water turbine
An improved water turbine apparatus includes a rotating waterwheel having a plurality of water-receiving buckets arranged about its periphery. Water is delivered to the buckets at a first, upper...
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5735665 |
Reaction hydraulic turbine
A reaction hydraulic turbine used for converting the energy of a flowing stream into mechanical energy of a rotating shaft is disclosed. In the turbine, the blades have a specifically-designed...
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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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5588293 |
Fluid energy conversion apparatus
A fluid energy conversion apparatus including a fluid path assembly having an outside guide assembly, a cylindrical wall inside surface and at least one inside guide assembly is provided. There is...
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5548956 |
Cable restrained reciprocating blade system for energy extraction from moving body of water
A cable restrained reciprocating blade system is adapted for extracting energy from a moving body of water to facilitate conversion to electric energy. In an exemplary embodiment, the system...
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5549445 |
Macro-engineering process and system for all-weather at-sea wind-energy extraction
A process and system for harvesting energy from wind action on the high seas ill all weather conditions, on a year-round basis. This process depends upon the use of seagoing platforms (FIG. 2+ FIG....
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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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5440175 |
Waterwheel-driven generating unit
An electric generator assembly driven by a waterwheel wherein the axial length of the waterwheel is substantially greater than the diameter thereof and contains a speed-increasing device for...
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5430332 |
Movable and adjustable dam
A movable and adjustable dam including a waterwheel for generating power in rivers, creeks, streams and other flowing bodies of water in which the use of a permanent dam would be impractical or...
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5366341 |
Helical hydraulic pump
A rotary pump capable of slow movement, for wave power applications. The pump is a helix formed of tubing whereby when the helix is rotated, the inlet end of the tubing scoops water and an outlet...
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5333996 |
Dual fluid rotor apparatus
A fluid rotor is disclosed for turning electrical generators or other mechanical equipment. The fluid rotor contains multiple curved blades which are in a single plane of rotation, and which are...
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5184936 |
Multiple-gas-phase tidal power generation apparatus and method
A tidal power generation apparatus includes a first group of containers fixed in plural piles in a natural sea having a tidal difference in sea level height, which containers are spaced in parallel...
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5167483 |
Method for utilizing angular momentum in energy conversion devices and an apparatus therefore
An energy conversion device which benefits from forces associated with angular momentum. A mass such as fluid is directed through a conduit from one elevation to a lower elevation with the conduit...
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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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5088884 |
Rotor assembly for fluid driven engine
A rotor having an elongated cylindrical body which surrounds a vertically disposed bearing shaft fixedly secured at its lowermost end to a supporting base, the rotor mounting a bearing pad at its...
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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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5009568 |
Wave actuated power generating apparatus
A wave-actuated power generating apparatus comprising an impulse-type water turbine mounted for rotation on an upright output shaft within a housing. The housing includes a back panel and opposing...
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4960363 |
Fluid flow driven engine
A fluid flow driven engine comprising two counter-directionally rotating rotors rotatably mounted on a base which can be used to secure the fluid flow driven engine in the path of a flowing fluid,...
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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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4686376 |
Tide turbine
An improved turbine and generating system for generating electrical power from the energy of flowing water, such as a tide, in a water course are disclosed. The turbine features peripheral inward...
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4613279 |
Kinetic hydro energy conversion system
A kinetic hydro energy conversion system having a turbine for mounting in a hydro energy source, wherein the turbine comprises a rotor having conformal blades and a screen for horizontally...
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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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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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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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4418880 |
Fluid flow augmentor
There is described a fluid flow concentrating device suitable, for example, for concentrating the flow of tidal waters or of wind, which comprises a hollow body closed at one end and open at the...
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4274009 |
Submerged hydroelectric power generation
Electric power is generated by power generators submerged to a substantial depth in a body of moving water. The generators are housed in bodies configured to create a large pressure differential...
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4263516 |
Breakwater and power generator
A breakwater for breakwater for breaking the force of waves to protect harbors and beaches and generating electrical power from the waves. The breakwater includes a sloped front wall so that the...
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4236866 |
System for the obtainment and the regulation of energy starting from air, sea and river currents
A system for obtaining and regulating energy from the air or sea and river currents includes a cyclone converter formed by three concentric rotating bodies, either on shafts or cylindrical rails or...
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4213734 |
Turbine power generator
A reaction-type turbine provided with an output shaft coupled to a power generator, such as an electric generator, and having a plurality of variable-pitch flexible impeller blades, or sails,...
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4179886 |
Method and apparatus for obtaining useful work from wave energy
An apparatus and method for obtaining useful work from or with waves includes a buoyant body having a leading edge and a trailing edge, and a convex upper surface extending between the leading and...
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4172689 |
Wave power generator
A device for deriving power from the energy of water waves, such as ocean waves, includes a buoyant support base, such as a raft, adapted for floating in open waters and having a keel extending...
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4141670 |
Device for extracting energy from water waves
A device for extracting energy from water waves comprises high-level and low-level reservoirs with non-return valves for permitting water from wave crests to enter the high-level reservoir (but not...
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4076447 |
Water-power motor
The invention relates to a water-power motor adapted to be driven by a rising and falling water surface, for instance the wave motion thereof. The novel features of the invention reside in that the...
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3983404 |
Surf-turbine generating system
An electrical generator is powered by the kinetic energy in ocean waves breaking at the shore. Waves are directed up an inclined surface through which an intake port is defined at a level...
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3883261 |
Power means
A power means for obtaining useful power from moving fluid such as water waves or air motion, having an impeller body and an arrangement of baffle means for guiding the moving fluid to cause it to...
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3807890 |
WATER POWER APPARATUS
The apparatus described utilizes a raceway in which is disposed an inlet gate for concentrating and increasing the velocity of the water flowing through the raceway and also for directing the water...
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3644052 |
SEA WAVE POWER GENERATOR
A power generator, utilizing sea waves as a motivating mechanism, having a rotatable paddle wheel arranged to rotate a propeller shaft, includes a gathering platform to guide incoming wave...
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3271959 |
Device for utilizing the energy present in rolling waves of water
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3209156 |
Underwater generator
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