Match Document Document Title
5554922 Apparatus for the conversion of pressure fluctuations prevailing in fluid systems into electrical energy  
An apparatus for the conversion of pressure fluctuations prevailing in fluid systems into electrical energy includes in a casing (1) a first chamber (4) which may be connected to a fluid system and...
5525842 Air tool with integrated generator and light ring assembly  
An improved air tool includes an integrated air motor and electrical generator wherein the stator is positioned on a side of the rotor body opposite the working end of the tool to reduce vibrations...
5519267 Energy saving electromotive engine  
An energy saving electromagnetic motor in which a pressure tank provides pressurized fluid to a turbine, rotating the turbine and a crankshaft. The crankshaft is connected via a clutch and axle to...
5512788 Exhaust air recovery system  
A system which utilizes wasted or exhausted air flow from one or more ventilation systems of a bounded area such as a mine, a tunnel or some other area requiring ventilation. The exhaust fan of the...
5510656 Wave energy converter  
In a method and apparatus for anchoring a structure such as a wave collector, sediment is pumped from the sea bed into the base of the structure. Hydraulic tuning of a wave energy converter...
5506453 Machine for converting wind energy to electrical energy  
A machine for converting wind energy into electrical energy comprising in combination a housing; propellers at the forward and rearward ends of the housing mounted on shafts for rotation upon a...
5495128 Wind powered generator  
An electrical power generating system that uses wind power to drive hydraulic pumps or motors that in turn drive electrical generators. The system uses a plurality of squirrel-cage type fans or...
5491366 Leak prevention in underwater power generation  
A system for generating electric power using internal waves and currents of oceans and rivers against a bag structure mounted moveably on a tower fixed to the ocean or river bottom. The bag...
5476293 Electric energy storage and distribution system of differential distribution type  
An electric energy storage and distribution system for a fluid-driven propeller, the propeller being connected to drive an AC generator, includes a planetary gear system by means of which rotation...
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....
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...
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...
5436507 Hydroelectric plant draft tube water level control  
A control system for synchronous condensing operation of a hydroelectric turbine-generator wherein the draft tube water level for the turbine is controlled through the use of that generator's power...
5430333 Energy generating system and method  
A plurality of inflation devices are linked to one another to form a loop that is movably restrained so that a segment of the loop is disposed at a lower reference location at the given depth in a...
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...
5420463 Fluid driven power system  
An elongated channel has an entrance leg and a parallel exit leg and a loop therebetween at one end and a sump at the other end into which the exit leg empties. A power supply operates a fluid in...
5389821 Drainwater/sewage treatment installation for producing electrical power and for regulating a hydraulic flow  
A drainwater/sewage treatment installation for producing electrical power and for regulating waterflow in a drainage network is provided. The installation comprises at least a first reservoir, at...
5362987 Fluidic generator  
A fluidic generator (38) employing a fluidic feedback oscillator (12) in combination with a magnetogenerator (41) is described. Oscillational changes in pressure produced within the feedback...
5336933 Fluid-augmented free-vortex power generating apparatus  
A fluid-augmented free-vortex power generating apparatus (10) that is driven by either prevailing winds or water and which has a turbine (24) that includes a number of axially extending cup like...
5333680 Cooling system for the chamber of a generator/transmission unit  
A cooling system for a generator is provided with a primary coolant loop containing a primary coolant for cooling the generator, and a secondary coolant loop provided with a secondary coolant...
5329497 Device for generation of hydrodynamic power  
The device exploits the energy of waves (32) of an open water body (30). It comprises at least one fixed float (34), at least one extendable pumping element (10) and one pressure medium (24). The...
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...
5313103 Auger shaped fluid medium engaging member  
An auger shaped, fluid medium engaging member is disclosed which includes a helically or auger shaped outer region disposed about a longitudinal axis which passes through a central region of the...
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...
5266837 Apparatus for artifical wind power generation  
An apparatus for artificial wind power generation comprises a container which is constructed of, or supported by, a membrane structure formed of a plurality of gastight cells. The container is...
5248896 Power generation from a multi-lobed drilling motor  
A power generation unit associated with a downhole drilling motor capable of producing sufficient rotational speeds to produce power for operating downhole devices associated with the drilling...
5230215 Ocean current power generation system  
An ocean current power generation system includes a support placed on or in a state spaced apart from the ocean surface so that it is not rotated by an ocean current, a ring-like rotating member...
5222833 Shutter for hydro-pneumatic current flow harnessing system  
A gravitational window shutter in a water gate for a system for harnessing power from current flow or tidal movement in a of water is disclosed. The gate is formed with a door for closing the port...
5149984 Electric power supply for use downhole  
A downhole electrical power supply apparatus has a high fluid pressure source zone and a low fluid pressure discharge zone each defined at least partially within the apparatus. A fluid powered...
5140254 Shower accessory  
An accessory is provided for a shower having a shower outlet. The accessory includes a housing having a front, a back and a fluid passageway extending between the front and the back of the housing....
5136174 Multi-paddlewheel system for generating electricity from water canal  
A generator for electricity, utilizing one or two groups (29A and 29B) of separately placed water-driven paddlewheels (31) placed side by side in man-made canal. Each group is coupled together by a...
5105094 Method and apparatus for converting wave motion into an alternative energy source  
An apparatus for converting the energy contained in the wave motion of a body of water to alternate forms of energy. The apparatus comprises a main water pipeline, a water inlet for directing water...
5074710 Water gate array for current flow or tidal movement pneumatic harnessing system  
The invention, which provides a system for harnessing power from current flow or tidal movement in a body of water, comprises first and second hydro-pneumatic chambers each having ingress and...
5043592 Water fitting for sanitary installations  
The water fitting (10) has a substantially tubular casing (12) which is closed at one end by the partition element (16). The turbine wheel (24) which is acted upon in the axial direction by the...
5038049 Vertical axis wind powered generator  
An apparatus for generating electric power from wind includes a base, a pair of upstanding, generally parallel, spaced apart walls rotatably mounted on the base and defining an inlet end and an...
5001357 Linear gravitational generator  
This linear gravitational generator is designed to produce electric current by induction. Primarily, it consists of a pair of coils wound upon cores, and an external drive source drives a pulley...
4973856 Hydroelectric generator system  
The water inflow structure for a hydroelectric generator system has a step which cooperates with two adjacent blades of a runner to retain a quantity of water, the weight of which rotates the...
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,...
4948985 External penstock  
This external penstock is designed to direct a portion of water from a waterfall to a water wheel coupled to a generator that produces electrical power for inductrial and other use. Primarily, it...
4918369 Hydro-energy conversion system  
A water or fluid driven system is provided for use in a water open or closed loop system. The water driven system includes a flow control valve connected to a water line of the water open or closed...
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...
4859866 Water turbine arrangement for power generation using tidal energy  
The arrangement enables power generation on both ebb and flow tides, and is characterized in that one or more turbines (8) is used of a type designed for unidirectional flow, in that the or each...
4857753 Wind energy convertor  
In a vertical axis wind generator incorporating a circular turbine supported by an uppermost part of an upstanding support, a stator surrounding and coaxial with the turbine comprises an upper...
4850190 Submerged ocean current electrical generator and method for hydrogen production  
A system and method for generating chemical energy from ocean current energy is disclosed which includes a unique suspension system having a support cable (10) submerged below the ocean surface in...
4849647 Floating water turbine  
A floating water turbine for taking the kinetic energy from linear current flow and converting it into mechanical energy and subsequently into electrical energy. The turbine is constructed of a...
4849648 Compressed gas system and method  
A system and method of selectively deployed and utilized compressed air energy storage satellite facilities within an electrical power grid network. The satellite facilities are independent of...
4845376 Buoyant gas activated hydroelectric generator  
A self contained hydroelectric generator which includes two fluid tanks mutually connected to a turbine generator. A volume of fluid is transferred between the tanks by either an elevator or a...
4829196 Energy-saving pressure reducer  
The pressure of fluid supplied by a high-pressure line is reduced to a lower pressure suitable for a low-pressure utilization device located in an environment having an electrical grid by...
4823018 Control system for variable speed water-wheel generator apparatus  
A control system for a variable speed water turbine generator apparatus includes a first function generator that is responsive to an output command signal. The first function generator produces a...
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...