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4511808 Installation for exploiting water currents in flowing waters by means of a plurality of water wheels  
An installation for exploiting the energy of flowing water in a river stream comprising a plurality of anchored pontoons supporting a plurality of waterwheels; the pontoons being arranged in a...
4510397 Polymer flow control apparatus  
Flow control of diluted polymer solutions is effected by utilizing positive-displacement flow devices such as gear pumps to withdraw flow energy in the form of shaft work. Control is obtained by...
4508971 Two reservoir solar air-weight impelling hydro power system  
Using a two Reservoir System, a portion of the water moves from Reservoir to Reservoir. In its path, it collects air, which is expanded by Solar Energy, which helps to move weights, by an expanding...
4508972 Armature lift windmill  
Airfoils (32) are secured to the frame (26) of a vertical axis windmill (20) to provide vertical lift to a rotatable vertical shaft (22) and to armatures (54) of electrical generators (50), thereby...
4496845 Method and apparatus for control of a turbine generator  
A turbine generator system for use in a flow line from a water supply to a water usage, treatment or storage system employs a remotely controlled valve for control of the flow of water through the...
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...
4494009 Method and apparatus for capturing an electrical potential generated by a moving air mass  
A method and apparatus for making available an electrical current, which comprises placing a conductive airfoil in a moving air mass, sinking a conductive element subsurface, and insulating the...
4491738 Means for generating electricity during drilling of a borehole  
A generator for providing electric energy in a borehole during drilling thereof, the generator comprising an anchor which is movable in a reciprocating mode in response to pressure pulses in the...
4489812 Power recovery system and method for elevator apparatus  
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...
4490232 Wave-powered electrolysis of water  
An offshore water electrolysis plant which produces pressurized gas by electrolysis of fresh water and wave power includes the combination of a wave-powered electric generator at the ocean surface,...
4476397 Energy conversion apparatus  
Apparatus for converting fluid energy into mechanical energy may include a sail and a mast carried by a pivotally mounted support. The sail is mounted both directly to the mast and indirectly to...
4475334 Method of and system for controlling hydraulic turbine  
A method of and system for controlling a hydraulic turbine including a variable throttle valve located in fluid channel upstream or downstream of the hydraulic turbine adapted to be closed...
4476396 Low-head hydroelectric generation system  
The invention pertains to a hydroelectric generating system for use with low-head dam and spillway installations. A vessel in the form of a barge contains ballast tanks, pumps and associated...
4473754 Waste heat power generation system  
The invention relates to a power generation system comprising a Brayton cycle turbine for directly driving a first air compressor. A motor/generator is adapted to drive said turbine in the power...
4467217 Hydro-turbine  
An improved hydro-turbine having a casing with an inlet port and an outlet port. A driveshaft is journaled in the casing and a rotor is secured to the driveshaft. The rotor has a cylindrical member...
4467218 Current-driven power generating apparatus  
A current-driven power generating apparatus including a water wheel having a transversely extending axle on which are fixedly mounted a plurality of paddles. Also mounted on the axially outer ends...
4465941 Water engine  
A water engine has a barrage with a differential head of water on an upstream and downstream side. The engine has a working chamber and a double acting piston member in the chamber. Valves admit...
4464580 Hydro-electric turbo-machine  
In a turbo-machine having a rotor member movable relative to a stationary housing member there is provided a substantially ring-shaped or annular seal between both of these members and serves to...
4447739 Rotor withdrawal arrangement for bulb generators  
Apparatus for withdrawing the rotor from the stator in a bulb-type generator makes the rotor and the inner portion of the stator accessible for repair or maintenance without having to disassemble...
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...
4445046 High power immersed turbo-generator set having a gear box and external cooling  
The front portion (116) of the immersed turbo-generator bulb houses the alternator (5, 19). The intermediate portion (114) houses the gear box (26), and the rear portion has the turbine (122...
4443707 Hydro electric generating system  
A hydro electric generating system to produce power by changing the potential energy of water to kinetic energy to drive a turbine that is coaxially connected to a generator. Water from the ambient...
4440427 Resource efficient water power prime mover  
The invention details a water wheel employing free-swinging buckets pivotally supported at the radial extremity of twelve spokes of the wheel. The buckets become captive in the load position at the...
4424451 Water turbine  
The water turbine of the present invention includes a housing defining a generally cylindrical chamber therein defining a laterally extending opening. Rotatably positioned within the chamber is a...
RE31449 Fluid-driven rotary engine  
A fluid driven rotary engine of the water wheel type comprising a spoked water wheel rotatably mounted on a hollow stationary axle and having a set of water collection containers supported on the...
4411632 Waterbound facility powered by cycloidal fluid flow engines  
A waterbound facility, serving the extraction of energy from the water current in which it is moored, consists of a seaworthy vessel, which carries cycloidal turbines, extending their impeller...
4409490 Hydraulic plant  
The plant described resolves the problem of recovering the energy generated by heat engines under test, acceptance trials or experimental tests by the generation of alternating electrical current...
4408127 Power generating apparatus  
A closed system power generating apparatus which utilizes a moving fluid as the work producing medium. The fluid is contained within a reservoir. A pump is utilized to move the fluid through a...
4404797 Gas turbine engine powerplant  
Gas turbine engine powerplant has an engine 10 including a fuel pump 14 driven by the engine to supply fuel to the combustor 12 thereof. The pump flow rate varies in accordance with the...
4403154 Apparatus to generate electricity  
An apparatus to generate electricity. There is a first cylinder having an open end and containing a first piston. A second cylinder has an open end and contains a second piston. A pipe communicates...
4392063 Turbine installation comprising a turbine installed in a duct  
A turbine installation comprises flow passage-defining means defining an inlet chamber and a runner chamber and including two juxtaposed interconnecting passages which connect the inlet chamber and...
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...
4369373 Method and apparatus for generating electricity from the flow of fluid through a well  
A method and apparatus for generating electricity from a generator driven by the flow of fluid flowing from a fluid producing well. A fluid driven motor is positioned in the pipeline adjacent to or...
4368392 Water turbine  
A water turbine for open stream use featuring a vertical-axis cross-flow turbine in which cyclically-pitching blades are supported from one end only to permit the supporting structure and power...
4367890 Turbine set with a generator feeding a network of constant frequency  
In a turbine set with an axial flow which is traversed by water and which is coupled to a generator feeding a network of constant frequency, the flow turbine is a propeller turbine with...
4367413 Combined turbine and generator  
An electrical machine which can be run as a synchronous generator or as a pump is disclosed. The machine is a true hybrid of a turbine and synchronous generator in that the turbine blades are...
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...
4352025 System for generation of electrical power  
A hydroelectric generator is located in the basement of a high-rise building and connected in series in the clean waste-water line of the building, to produce electrical power in response to the...
4348594 Wind power generator  
A wind power generator includes a flexible sheet or fabric supported under tension within a housing frame which guides an airflow therethrough and across the surfaces of the membrane. As the...
4335093 Process of converting wind energy to elemental hydrogen and apparatus therefor  
A system is described for the conversion of the energy in the wind over oceanic regions into hydrogen which can be used as a supplement to or replacement for fossil fuels. The system is based on...
4335319 Hydro-electric power apparatus utilizing ocean currents  
A hydro-electric power apparatus including an electrical generator is mounted in a combination power house and crew housing disposed at or above the surface of a current of ocean or other water...
4324984 Portable hydrogenerating apparatus  
Apparatus for generating hydroelectric power comprising a portable collector tube assembly which can be transported to the site of a water source having a waterfall sufficient in magnitude to...
4317330 Water turbine generator system  
A water turbine generator system for use in a stream or river, said system having a catch basin formed by an end wall, a plurality of water chutes downstream of the catch basin and in communication...
4317048 Energy farm  
An energy conversion apparatus and method for the transfer and utilization of kinetic energy received by one or more natural kinetic energy receptors from one or more "natural kinetic energy...
4313059 Sea current energy system  
A system for extracting useful energy from sea currents. A pair of drag inducing devices is disposed in the sea current, and connected by cables to a windlass at a location upstream of the drag...
4310769 Ship lock system with hydroelectric pumped-storage capability  
A ship lock system having a ship lock interconnecting two bodies of water at different water levels. The system includes one or more underground hydroelectric pumped-storage units connected by one...
4306157 Underwater slow current turbo generator  
A self-contained electrical generating device for placement in a naturally flowing stream. The generating device converts the kinetic energy generated by fluid flow or gravity contained within the...
4305003 Energy generation system  
A power producing system employs floats that move up or down in tanks that may be located wherever desired, to produce power.
4301377 Moving surface water driven power apparatus  
The power apparatus includes a plurality of paddle wheels arranged in tandem and intended to be positioned generally transverse to the direction of movement of water at the surface of a body of...
4295783 Fluid turbine  
A fluid turbine designed for increased power output including an annular housing provided with a semispherical dome for directing incoming fluid flow from a fluid source in an angular and downward...