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4818888 Water-powered electricity generating apparatus  
Water-powered electricity generating apparatus, for use in rivers and other bodies of water having current flow therein, comprises a water wheel and an adjacent platform. The water wheel has a...
4816697 Portable hydroelectric power unit  
The present apparatus is a hydroelectric power device for generating energy from currents of water. It includes a blade spiraling about a spindle or shaft which is connected to a generator. The...
4808837 Submersible electrical power supply  
An electrical generator in a water impermeable housing is driven by a water driven motor. The combination can be submersed with power delivered from the generator to a hydro-subsystem. The system...
4804855 Hydromotive machine apparatus and method of constructing the same  
A hydromotive machine apparatus comprises a bulkhead assembly comprised of an array of water tubes connected to each other with their longitudinal axes in parallel to provide the bulkhead as a...
4797563 Power plant  
Electrical power is generated by means of an hydraulic air compressor that produces compressed air from a water stream. The compressed air is delivered directly to burners of a turbine without...
4767938 Fluid dynamic energy producing device  
A fluid dynamic device is provided which includes a fluid holding and U-shaped conduit having a first leg and a second leg, an electrical generating device positioned between and in flow...
4755690 Hydroelectric power installation and turbine generator apparatus therefor  
A hydroelectric power installation utilizes an array of turbine generators which are assembled at an elevated position above water and are moved as a unit to a submerged, operating position at the...
4754155 Hydroelectric generator having retractable runner  
A hydroelectric generator is provided with a retractable runner and, optionally, with a retractable distributor. This is accomplished by mounting the runner on a runner shaft which is axially...
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...
4746808 Portable hydroelectric generator unit  
The generator unit is driven by a small Pelton turbine (10) having a plurality of injectors (11) each comprised of a single tubular part connected to a ring-shaped distribution chamber. The turbine...
4742242 Buoyancy engine utilizing linked lifting bodies  
A buoyancy engine having a wheel, incorporating recesses on its periphery to contain linked buoyant lifting bodies, is attached by arms to a driveshaft and immersed in a vessel of liquid. The...
4740711 Pipeline built-in electric power generating set  
An electric power generating set for a fluid pipeline, comprising a turbine coupled to the pipeline for rotating under the pressure of the fluid moving in the pipeline; a generator coupled to the...
4739182 Hydropneumatic water engine  
In a stationary weir erected in a surface water at least one inner shaft (1) is provided which by closure members (2, 3) communicates with the upstream and downstream water levels. In the shaft (1)...
4731545 Portable self-contained power conversion unit  
A portable, self-contained power conversion unit is disclosed that is attached to an outlet for a pressurized fluid system, such as the nozzle for a garden hose. An impeller mounted in the body of...
4730119 Sail-driven wind motor  
A sail-driven wind motor (SDWM) is described, in which a reciprocating load amenable to intermittent, bidirectional drive (such as a water pump or air compressor) is driven by one or two arms, with...
4720640 Fluid powered electrical generator  
A fluid powered electrical generator having an impellor-rotor rotatively mounted on a central support structure. A toroidal outer support structure surrounds the impellor-rotor, with the...
4717831 Ocean and river power generator  
An ocean and river water power generator has a plurality of water wheel power generators. Said water wheel power generator includes a common concrete base, a water wheel having a main shaft thereof...
4717832 Tidal and river turbine  
An improved hydroelectric system provides automatic adjustment for both tidal (reversing) and river (one way) type flow. A plurality of parallel, axial flow auger-type impellors are mounted in a...
4698516 Hydro-electric power plant  
A hydro-electric power plant specifically structured to operate in connection with a water reservoir supplied from a natural body of water such as an ocean, lake, etc. and which is structured to be...
4691115 System for rotating a drive mechanism for power generation  
A system for rotating a drive mechanism which can be connected to an electrical generator or the like. The system (10) is particularly suitable for providing electrical power to a residence and...
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...
4678922 Air motor having integral generator  
A tool driven by air or some other non-conductive pressurized fluid, which tool incorporates a generator for powering a lamp and providing a good source of light in the work area. Batteries and a...
4677307 Process for the realization of cogenerative supply of electricity and heat (cogeneration), particularly in industrial power plants  
Subject of the invention is a process for the realization of cogenerative supply of electricity and heat, and in given case for their combination with waste heat recovery, particularly in case of...
4667115 Energy machine generating hydraulic energy  
An energy machine generating hydraulic energy by the use of a plurality of wheels driven around a table surface, each wheel operating in turn a lever for operating a double acting hydraulic piston...
RE32404 Elevator with power recovery  
Disclosed is a system and method for recovering energy from elevator apparatus and utilizing the recovered energy for useful purposes. This is accomplished by selectively coupling a hydraulic pump...
4636141 Hydroelectric device  
A hydroelectric device wherein a water wheel having radial paddle boards is partially submerged in a moving stream of water, and driven by the water current to operate an electric generator. The...
4628212 Oceano-thermosteric power plant  
An oceano-thermosteric power plant is provided with plural evaporators and plural condensers, alternate parts of which are not operated at night and in winter on light load and hence a high...
4622473 Wave-action power generator platform  
An off-shore platform is provided with a power grid comprised of a plurality of depending float members which are buoyant and weighted sufficiently to rise vertically in response to the buoyant...
4617991 Polymer flow control apparatus  
Flow control of a diluted polymer solution stream is effected by utilizing positive-displacement flow devices such as hydraulic pumps and motors to withdraw energy from the stream and to use it to...
4616298 Water-powered light  
A water-powered light for decorative or utilitarian purposes has a stator assembly mounted on the forward end of a fixed shaft within the housing. The shaft is cantilever supported at one end of...
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...
4612447 Method and apparatus for converting human exercise energy to stored kinetic energy  
Exercise method and apparatus activated air compressor driven by a pedal and crank exercise machine which is used for supplying kinetic energy to drive an air compressor. The compressed air is...
4609826 Energy efficient apparatus  
An energy efficient apparatus suitable for use in hot, arid climates wherein a source of water is available includes in combination; a rotating wheel member which utilizes the buoyancy of outwardly...
4607169 Artesian well generated power system  
An electric power generating system utilizing water from an artesian well for continuously supplying electricity. Excess electric power not required during periods of low power requirements is fed...
4599854 Adjustable draft tube  
An adjustable draft tube is disclosed for a hydraulic turbine installation. The draft tube includes a pair of fabricated box piers which are positioned in a tailwater with the turbine outlet...
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...
4593202 Combination of supercritical wet combustion and compressed air energy storage  
A fuel efficient combination of pressurized combustion and compressed air energy storage in which combustion air compressors have excess capacity which is utilized, during off-peak periods, to...
4590386 Piggy back water power generator  
A water power apparatus, composed of independent design features, which provides for: (1) utilization of a central boat with two paddle wheels and respective side stabilizers, with one wheel being...
4587435 Turbine  
The water fall from a higher to a lower elevation is through an annular passageway having one or more turbines driven by the water as it flows through the column. The water flow is preferably a...
4564889 Hydro-light  
A hydroelectric illumination source powered by a small alternator designed to provide underwater illumination or in-stream illumination such as for a shower head, fountain, or swimming pool. The...
4563591 Wave driven engine  
Apparatus and process for use in converting the energy of ocean waves to useful power form wherein two floats supporting a rigid structure are spaced apart to maximize the end movement of said...
4552507 Power transmission plant having pressure surfaces  
In a power transmission plant having pressure surfaces for utilizing the natural flow gradient of water and wind quantities, a plurality of identical parallel conduits are provided which are open...
4546264 Relating cellular energy generating and storage device  
A rotating cellular energy generating device for generating electrical power for extended periods of time. The generating device characterized by having an annular rotating housing having a...
4535844 Method of using polymer flow control apparatus  
Flow control of a diluted polymer solution stream is effected by utilizing positive-displacement flow devices such as hydraulic pumps and motors to withdraw energy from the stream and to use it to...
4535252 Wind electric generation plant and system with improved alternator field excitation  
An improvement in a wind electric generation system of the type disclosed in Jacobs et al. U.S. Pat. Nos. 4,059,771, 4,228,361, and 4,228,362, with particular reference to U.S. Pat. No. 4,228,361....
4524283 Energy converter  
Described herein is a device for converting such forms of mechanical energy that comprise even slow and random movements, such as the waves of the sea, the flow of a river, the blowing of the wind,...
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...
4520273 Fluid responsive rotor generator  
The rotor generator includes an elongated generally cylindrically shaped mework. An elongated rotor is longitudinally aligned within the framework and is rotatably mounted therein. The rotor has a...
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...
4511807 Electrical generator control system  
A control system for a stand-alone electrical generator driven by a prime mover such as a wind turbine in which switches are operable in response to changes in the frequency of the generator output...