| Entries |
| Document | Title | Date |
|---|
| 20090140522 | Turbine driven electric power production system and a method for control thereof - A turbine ( | 06-04-2009 |
| 20100140934 | METHOD AND SYSTEM OF CONTROLLING A HYDROELECTRIC PLANT - An embodiment of the present invention may incorporate an adaptive model based control (MBC) for determining a physical parameter, such as, but not limiting of, generator output, head, generator speed, or the like. The adaptive MBC may reduce the need for pre-defined control curves. The adaptive MBC may receive a plurality of data on the hydroelectric plant and then build an operating model. This model may then be used to forecast and/or control an output variable, such as, but not limiting of, a generator output of the hydroelectric plant. | 06-10-2010 |
| 20100045036 | PLIANT MECHANISMS FOR EXTRACTING POWER FROM MOVING FLUID - Flexible and elastic mechanisms for extracting power from a moving fluid. Sheet-like material is deformed during fabrication through an applied force so as to create undulations in said material, whose stresses are maintained through restraining components, thereby maintaining the occurrence of said deformations in the material. When placed in moving fluid, the resulting pressure differentials cause the positions of the undulations within the material to travel along said material in the same direction as the moving fluid. Power is extracted in one of two principle ways. The first is via a mechanical coupling of the sheet-like material to a rotating mechanism, which turns an electro-magnetic dynamo or other output device. The second is via the utilization of a flexible material which exhibits an electrical response to mechanical strain, whereby the strains caused by the travel of undulations along the material create an electrical current which is extracted via two or more electrodes. | 02-25-2010 |
| 20130038058 | METHOD AND APPARATUS FOR GENERATING ELECTRICITY - An electrical generator apparatus for generating electrical energy is disclosed. The electrical generator utilizes liquid flow within a tubular member to provide mechanical force to rotate a rotor. The electrical generator includes a rotor comprising an impeller, wherein the rotor is configured to receive liquid flow within an electromagnetic induction armature from the tubular member, a stator configured to generate electrical energy within a plurality of coils utilizing a magnetic flux generated by the electromagnetic induction armature when rotated adjacent to the stator, and a bypass tubular member configured to selectively route liquid around the electrical generator to adjust voltage of generated electrical energy. | 02-14-2013 |
| 20130049362 | Tidal Power Plant and Method for Operating Said Tidal Power Plant - The invention relates to a flow power plant, comprising a water turbine having torsionally rigid rotor blades, a drive train connected to the water turbine, which at least indirectly drives an electric generator and is characterized in that at inflow speeds v for which the flow power plant is designed, the water turbine is configured to be non-auto-restarting for tip speed ratios λ below a predetermined auto-restart tip speed ratio λs where λs≧1. | 02-28-2013 |
| 20090302607 | DOUBLE FED SYNCHRONOUS GENERATOR MOTOR - A double fed synchronous generator motor which is coupled to a reversible pump-turbine and operated while switched to a power generating operation mode or a pumping operation mode, is equipped with a controller for controlling the double fed synchronous generator motor so that power output from the double fed synchronous generator motor is coincident with an instruction value and the rotating speed is set between upper and lower limit values of the rotating speed by changing exciting current. In the power generating operation mode, the lower limit value of the rotating speed is varied by active power output from the double fed synchronous generator motor, and when the active power is small, the lower limit value of the rotating speed is set to a smaller value than that when the active power is large. | 12-10-2009 |
| 20130056984 | Downhole Power Generation By Way of Electromagnetic Induction - Electrical power may be generated at a downhole position of a production well by way of electromagnetic induction through oscillating linear translation driven by the flow of a fluid being transported by the production well. In exemplary embodiments, a conductive coil is disposed in a fixed position along a length of a production pipe such that the conductive coil encircles the production pipe. A linear translation apparatus is disposed radially inward from the conductive coil and is configured to move linearly parallel to a longitudinal axis of the production pipe and within the conducting coil by harnessing mechanical energy from fluid flowing within the production pipe. Magnets are affixed to the linear translation apparatus to cause electrical power to be generated in the conductive coil by way of electromagnetic induction responsive to the magnets passing by the conductive coil when the linear translation apparatus is in motion. | 03-07-2013 |
| 20090267347 | PELATIC SUSTAINABLE ENERGY SYSTEM - The present invention provides a sustainable energy system for pelagic deployment that may comprise a frame, at least one wind turbine generator coupled to the frame, at least one pair of water turbine generators coupled to the frame, and a rotatable joint. | 10-29-2009 |
| 20090236852 | Flow generator for use in connection with a utility conduit - There is provided a power generation and distribution system for use in combination with a utility conduit having fluid passing therethrough. The power generation and distribution system includes a rotation element disposable within the utility conduit. The rotation element rotates in response to fluid passing within the utility conduit. A power generator is in mechanical communication with the rotation element, and generates power in response to rotation of the rotation element. This system also includes a power distributor in electrical communication with the power generator and electrically connectable to a power outlet to distribute power thereto. | 09-24-2009 |
| 20090079191 | ELECTRIC POWER GENERATION WITH MAGNETICALLY GEARED MACHINE - A power generation system includes: a prime mover; an electrical machine coupled to the prime mover and configured for converting mechanical power to electrical power, the electrical machine having a power factor of less than or equal to 0.7; a reactive power supply assembly coupled to the electrical machine and configured to supply reactive power to the electrical machine; and a power electronic converter coupled to the reactive power supply assembly and configured for transferring power from the electrical machine to a grid. | 03-26-2009 |
| 20120187680 | ELECTRICAL POWER CONVERSION SYSTEM AND METHOD - A system and method for electrical power conversion, with the system being intended for use in converting a high voltage DC power output from a turbine generator to an AC power signal that is suitable for connecting to an AC power grid. The system utilises a mechanical coupling between a synchronous motor driving a synchronous generator in order to provide isolation, as well as allowing for control of the real power output by the system. | 07-26-2012 |
| 20100084862 | HYDROELECTRIC POWER DEVICE - A hydroelectric power device equipped with a casing member that has a channel that passes through from an opening on the water entry side towards an opening on the water discharge side, a rotor having a plurality of blades that are integrally fixed respective to the rotating shaft and are disposed inside the channel of the casing member, and a tapered portion, that is provided on the opening on the water entry side of the casing, and that is formed such that the cross-sectional area of the tapered portion is gradually decreased towards the downstream side. | 04-08-2010 |
| 20090146422 | Transportable hydro-electric generating system - The invention is a transportable hydroelectric power generating system which is capable of being fully or partially assembled in a factory setting and then transported to a water stream. The system includes water channeling features which enhance the pressure within the system that the water exerts and a secondary pump feature which serves to further supply pressurized water to the impellers on the water wheels. Thus marginal streams may become power generating sites. | 06-11-2009 |
| 20090206602 | FLUID POWER GENERATOR - The fluid power generator is provided. The fluid power generator includes: a first member that has multiple coils; a second member that is rotatable relative to the first member and that has multiple permanent magnets; a rotating member that is mechanically linked with either one of the first member and the second member to rotate by fluid force; and a clearance controller that moves at least one of the first member and the second member to thereby change a clearance between the first member and the second member, wherein the clearance controller changes the clearance in such a manner as to make the clearance smaller after a start of rotation of the rotating member than before the start of rotation of the rotating member. | 08-20-2009 |
| 20090278350 | Method for starting up a system for generating electrical power - Described is a method for starting up a system for generating electrical power. The system includes a turbine that is mechanically connected to a generator, while the generator is electrically connected via a converter to a load, in particular to a power supply grid. The generator includes a total number of windings. With at least one embodiment of the method, a number of generator windings are combined at low rotational speeds of the turbine, wherein the combined number of windings is less than the total number of windings. | 11-12-2009 |
| 20110169264 | Remediation of mines using pumped storage electrical generation - A method to generate electrical power in order to provide resources to remediate and restore exhausted or abandoned mines, caves, and cavities; thereby rendering the space safer, resisting pollution, improving the environment, improving lost and useless wastelands, and allowing repetitive power generation year around at the same locations; providing employment. Alchemy is the power of transmutation by the seemingly miraculous change of a useless thing into something better, or the art of changing base elements into precious specie, or the elixir of perpetual vigor, to wit: remediation of abandoned mines, and caves, by introducing and converting to pumped storage electrical generation facilities, and for storage and manufacture of reliable, consistent, electrical power. | 07-14-2011 |
| 20110204627 | Electrical generating device with potential energy of water or fluid - An electrical generating device includes one or more ram water pumps for pumping water from a lower water reservoir into an upper water tower, a water paddling device having a rotatable housing located below the water tower and coupled to an electric generator to generate an electrical energy, and a control device having a casing for directing the water to rotate the housing and having a pivotal valve member to control a flowing of the water through the casing and into the housing, an adjusting element is attached to the casing and engaged with the valve member for pivoting and adjusting the valve member relative to the casing and to control the water to flow into the housing. | 08-25-2011 |
| 20110204628 | AIRCRAFT VENTILATION DEVICE - The ventilation device according to the invention includes a fan and an inverter. The fan comprises a rotary electrical machine and a wheel for setting an air flow into motion, integral with the rotary machine to set it in rotation. The inverter is connected to the rotary machine and, in one motor power mode of the ventilation device, is suitable for forming the supply current of the rotary machine. The inverter is suitable for being connected to a power supply network. The inverter is reversible and is, in a generating mode of the ventilation device, suitable for converting the electrical energy supplied by the rotary machine when it is driven mechanically by the wheel and injecting said converted electrical energy into the power supply network. | 08-25-2011 |
| 20080284168 | Pulsed energy transfer - A system capable of converting fluid energy into electrical energy in conditions of low fluid flow is provided. In an embodiment, the system may engage and disengage an energy converter via an automatic clutch. In an embodiment, the transmission of energy to an energy converter is controlled by switching the energy converter on and off. In another embodiment, the flow of electrical energy to an electrical load is controlled by a switching device. In another embodiment, a funnel is used for condensing the flow of fluid moving through the system. | 11-20-2008 |
| 20100140933 | Device for Capturing Energy from a Fluid Flow | 06-10-2010 |
| 20090121481 | AQUIFER FLUID USE IN A DOMESTIC OR INDUSTRIAL APPLICATION - Fluid is moved from an aquifer to a higher elevation, and is used at the higher elevation for a domestic or industrial application. Subsequently, the fluid is allowed to return from the higher elevation to the aquifer. Kinetic energy of the fluid returning to the aquifer is converted into electrical energy. | 05-14-2009 |
| 20090140523 | System and process for generating hydroelectric power - A system and process for generating hydroelectric power within a body of water relying on the pressure head existing between two depths of the water. A vertically arranged conduit or penstock has an upper water intake and is in fluid communication with a reservoir situated at a lower depth. In a first cycle, water flow is established in the conduit or penstock between the water intake and lower reservoir when the reservoir is substantially full of air. A turbine housing is mounted adjacent the reservoir at a lower depth than the water intake and houses an electric turbine generator having blades mounted within the conduit or penstock to be driven by the flow of water to generate electricity. As water is introduced into the reservoir, air is exhausted out an air exhaust tube to a point above the surface of the body of water. After the reservoir is generally full of water valves are provided to cease the flow of water through the water intake and flow of air out the exhaust tube. An air pump thereafter introduces air into the reservoir to force water out of a reservoir water outlet port. The generating cycle is then repeated. | 06-04-2009 |
| 20090085353 | HYDROELECTRIC PUMPED-STORAGE - Hydroelectric pumped-storage includes monitoring electrical demand on a system over time. If the monitored demand exceeds a predetermined first value, fluid is allowed to flow substantially under the influence of gravity from a first aquifer to a second aquifer. Kinetic energy from the flowing fluid is converted into electrical energy. If the monitored demand drops below a predetermined second value, fluid from the second aquifer is moved to the first aquifer. | 04-02-2009 |
| 20090243294 | Main Circuit of Generator for Distributed Power Supply - In an electric power generating apparatus for dispersed power supply using a permanent magnet type electric power generator having many kinds of windings in order to obtain the maximum output by force of wind without using PWM converter, there is a problem that gap magnetic flux of the permanent magnet type electric power generator is demagnetized to decrease the internal induced voltage because alternating current output of the permanent magnet type electric power generator is lagging current. In an electric power generating apparatus for dispersed power supply including a permanent magnet type electric power generator having a plurality of windings inducing different effective values of induced voltages and individual rectifiers for rectifying alternating current outputs of the permanent magnet type electric power generator, a capacitor is connected in series between the individual rectifier and the alternating current output terminal of the winding inducing higher effective value of induced voltage among the plurality of windings in a manner that serial impedances of the capacitor and the permanent magnet type electric power generator become capacitive within the range of rated rotational speed of said permanent magnet type electric power generator. | 10-01-2009 |
| 20100259044 | Power generation system - A water tower includes a reservoir configured to store fluid. The reservoir includes a bottom surface. The water tower also includes a recirculating passageway fluidly connected to the reservoir. The recirculating passageway includes a first end connected to and located near or below the bottom surface of the reservoir, and a second end connected to the reservoir above the bottom surface of the reservoir. The water tower further includes a pump located in the recirculating passageway and configured to pump fluid through the recirculating passageway, and a fluid-driven energy generating device fluidly connected to the recirculating passageway. At least a portion of fluid directed through the energy generating device is directed through the recirculating passageway. | 10-14-2010 |
| 20100225112 | Power generator and power generation system including this power generator - According to the present invention, there is provided a power generator that can generate power having a predetermined voltage and a predetermined current even though external energy is slight or excessively strong when generating power based on water power or wind power, the power generator comprising: a magnet rotor that rotates upon receiving rotating force from a driving source; and a stator coil arranged to face magnetic poles of the magnet rotor, the magnet rotor including: a rotary shaft rotatably and axially supported by a housing; and permanent magnets that form a plurality of magnetic poles on a concentric circle with the rotary shaft at the center. The stator coil includes: a plurality of coreless winding wires arranged to face the magnetic poles formed in the rotor; and a three-phase output terminal. Thus, the plurality of coreless winding wires are formed of effective output winding wires whose number is three or its multiple number, and they are connected with the output terminal through switching means so as to enable switching a total number of turns to a large or small value. This switching means is connected to controlling means in such a manner that the total number of turns is reduced when the rotating force from the driving source is large and the total number of turns is increased when the rotating force is small. | 09-09-2010 |
| 20100140935 | REVERSIBLE HYDROELECTRIC DEVICE - Reversible hydroelectric device that can be installed on an outside pipe, comprising a hydraulic power unit comprising a hydraulic machine comprising a centrifugal pump that can be reversed as a turbine and a hydraulic circuit having bypass branches and motorized valves allowing circulation of water in said hydraulic machine in one direction or the other irrespective of the direction of circulation of the water in said outside pipe; an electric machine coupled to said hydraulic machine and comprising an asynchronous motor that can be reversed as an asynchronous generator; and an electronic system comprising a programmable controller for adjusting and/or regulating said valves and an electronic variator for adjusting and/or regulating the rotation speed of said electric machine so that the pressure and/or flow rate downstream of the hydraulic machine depending on the direction of circulation is/are stabilized or adjusted to at least one set point value. | 06-10-2010 |
| 20090115189 | POWER GENERATION DEVICE - A power generation device includes a tower forming top and bottom reservoirs and a plurality of vertically arranged compartments between the top and bottom reservoirs. Each compartment is separated from the next lower compartment by a partition that defines a discharge opening. A rotary mechanism is arranged in each compartment and includes a rotary shaft carrying receptacles having openings set in different orientations. The shaft is coupled to a dynamo. Water is deposited in the top reservoir and is allowed to flow downward into the next lower compartment through the discharge opening for filling into the receptacles to cause rotation of the shaft, which in turn drives the dynamo to generate electrical power. Water flowing downward into the bottom reservoir can be selectively pumped back to the top reservoir for maintaining cyclic operation of the power generation device. | 05-07-2009 |
| 20100295302 | SYSTEMS AND METHODS FOR A LINEAR HYDROKINETIC GENERATOR - A linear hydrokinetic generator assembly generates power. An exemplary embodiment drifts a harnessing surface in a current of fluid away from the generator assembly and draws a cable attached to the harnessing surface from a cable spool as the cable is drawn by the drifting harness surface, wherein the drawn cable rotates the cable spool and generates power from the rotating cable spool. | 11-25-2010 |
| 20110025057 | Exhaust Gas Power Recovery Apparatus and Flex Generator - An apparatus and method for generating electricity from relatively low velocity exhaust gas. The apparatus includes a plurality of axial flux generators perpendicularly mounted on a support ring that is axially aligned around the exhaust gas port opening. Each axial flux generator includes a plurality of radially aligned blades mounted on a rotating hub. The hub is mounted on a stationary axle supported above the support ring by brackets. Attached to the hub are two magnetic discs each with a plurality of magnets attached thereto. Located on the outside surface of each magnet disc is a flux disc that produces an inward force to hold the two magnet discs together. Mounted on the axle and located between the two magnetic discs is a fixed stator disc that includes three internal coil systems. When the exhaust gas moves through the exhaust port it interacts with the blades causing the two magnetic discs to rotate around the stator disc and thereby induces an electric current inside each coil system. The apparatus also includes an adjustable inverter that allows the operator to adjust the load on the generator so that the blower operates optimally. | 02-03-2011 |
| 20100327582 | Generator With Falling Stator - A generator is provided including a rotatable pressure vessel with an inner and outer surface. Electromagnets are disposed on the inner surface of the pressure vessel. A biasing structure is configured to rotate within, and independently of, the pressure vessel and extends at least partly along a lengthwise dimension of the pressure vessel. The biasing structure has an axis of rotation that is within the circumference of the pressure vessel, and may be substantially parallel and coincident with a center axis of the pressure vessel. The biasing structure has a center of gravity at a radius away from the center axis of the pressure vessel. Armature coils are disposed on an outer portion of the biasing structure, and are positioned such that a relative motion between the electromagnets and the plurality of armature coils induces a current in the armature coils when a current is applied to the electromagnets. A transfer mechanism is configured to transfer electrical current from first electrical conductors connected to the armature windings to an outside of the pressure vessel. | 12-30-2010 |
| 20110175351 | MINIATURE HYDRO-POWER GENERATION SYSTEM POWER MANAGEMENT - A miniature hydro-power generation system includes a hydro-power generator, a processor and an energy storage device. A flow of liquid may be used to rotate the hydro-generator to generate electric power. The processor is configured to monitor a level of the electric power generated by the hydro-power generator and a level of charge stored in the energy storage device. The processor is further configured to selectively charge and discharge the energy storage device based on the level of charge of the energy storage device, and the level of electric power generated by the hydro-power generator. The electric power generated by the hydro-power generator is selectively used to charge the energy storage device, and the energy storage device is selectively discharged to supply a load. | 07-21-2011 |
| 20090102193 | Fluid-driven electric generator for operatively connecting to a conduct carrying a fluid - A fluid-driven electric generator for operatively connecting to a conduit carrying a fluid. The generator includes a driving portion and a generating portion. The driving portion is non-protrudingly positioned in the conduit so as to have its placement be non-visible from outside the conduit and is activated by the fluid flowing in the conduit. The generating portion is operatively connected to the driving portion and generates electricity when the driving portion is activated by the fluid flowing in the conduit. | 04-23-2009 |
| 20110049882 | Device for charging at least one electrical battery on board a boat - A device for charging at least one electric battery ( | 03-03-2011 |
| 20100253078 | Water Turbine System and Method of Operation - A system for providing electrical power from a current turbine is provided. The system includes a floatation device and a mooring. A water turbine structure is provided having an upper and lower portion wherein the lower portion includes a water fillable chamber. A plurality of cables are used to couple the system where a first cable couples the water turbine to the mooring and a second cable couples the floatation device to the first cable. The system is arranged to allow the turbine structure to be deployed and retrieved for service, repair, maintenance and redeployment. | 10-07-2010 |
| 20120200084 | UNDERWATER POWER GENERATOR - An underwater power generator ( | 08-09-2012 |
| 20110133452 | Energy generating assembly and a method for generating energy - A number of electrical energy generating assemblies, such as assemblies | 06-09-2011 |
| 20110018266 | TURBINE APPARATUS - Turbine apparatus for a hydroelectric power station, with a turbine impeller, which is capable of rotating about a turbine rotary spindle, which is in particular arranged vertically, with turbine blades ( | 01-27-2011 |
| 20110018267 | EXHAUST TURBINE GENERATOR SYSTEM AND METHOD OF CONTROLLING THE SAME - An exhaust gas turbine generator system for a vehicle that has an internal combustion engine with an exhaust system is provided. The exhaust system comprises a turbine, an electrical generator, a waste gate, and an electronic control module. The turbine is disposed in fluid communication with an exhaust gas system of an internal combustion engine to allow fluid flow between the turbine and the exhaust gas system. The electrical generator connects to the turbine. The waste gate is disposed in fluid communication with the exhaust gas system of the internal combustion engine. The waste gate is positionable between an open position and a closed position in response to an output signal from the electronic control module. The fluid flow in the exhaust gas system to the turbine is reduced when the waste gate is positioned to the open position. | 01-27-2011 |
| 20110095530 | TETHERED AQUATIC DEVICE WITH WATER POWER TURBINE - A water power turbine energy conversion device and method of generating electric power that can take advantage of water current speeds is hereinafter disclosed. The water power turbine energy conversion device includes an unmanned tethered aquatic device (TAD) connected to one end of a tether (which may include multiple shorter tethers), the other end being connected to an anchorage point. The TAD comprises a hydrofoil wing-like structure with one or more water power turbines and performs waterborne maneuvers such as cross-current tracking to increase the relative water current speed of up to about four times the true water current speed. | 04-28-2011 |
| 20100213711 | ELECTRICAL POWER GENERATION APPARATUS - A power generation apparatus is disclosed. The apparatus includes a turbine rotor to generate mechanical energy from a flow of a fluid, an induction generator coupled to the turbine rotor to convert the mechanical energy into electrical energy, a fluid speed sensor to output a fluid speed signal indicative of a speed of the fluid flow, and a controller electrically coupled to the induction generator and to the fluid speed sensor. The controller includes at least one processor programmed to determine, based on the fluid speed signal, when the speed of the fluid flow exceeds a minimum speed sufficient for operation of the turbine rotor, initiate operation of the induction generator when the fluid flow speed exceeds the minimum speed by causing electrical power from a power source to be applied to a stator of the induction generator, and monitor a flow of electrical power between the stator of the induction generator and the power source to determine when the induction generator is supplying electrical power to the power source. | 08-26-2010 |
| 20110260453 | GENERATOR UTILIZING FLUID-INDUCED OSCILLATIONS - An electrical generator including a magnetic field generator and at least one energy converter for converting energy present in fluid flows into vibrations or oscillations. The converter includes a flexible membrane having at least two fixed ends. The membrane vibrates when subject to a fluid flow. One of the electrical conductor and the magnetic field generator is attached to the membrane and configured to move with the membrane. The vibration of the membrane caused by the fluid flow causes a relative movement between the electrical conductor and the applied magnetic field. The relative movement causes a change in the strength of the magnetic field applied to the electrical conductor, and the change in the strength of the magnetic field applied to the electrical conductor induces a current flowing in the conductor. | 10-27-2011 |
| 20080284169 | Method and system for generating electricity through the use of a moving vehicle - A method and system of producing electrical energy by a moving vehicle. Moving air would be introduced to the vehicle provided with a generator for producing electricity. This electricity would be transmitted to one or more storage batteries connected between the generator and the vehicle's motor. Once sufficient energy is stored in the storage batteries, the vehicle would proceed to a facility for transferring the stored electricity in the storage batteries to batteries or other storage devices provided at the facility. The vehicle's owner would then receive remuneration or credit based upon the amount of energy transferred. | 11-20-2008 |
| 20120146330 | HYDRO TURBINE GENERATOR - A hydroelectric turbine generator and control system is provided that optimizes the maximum possible power output at all times by strictly monitoring power output from the generator unit and modulating the wicket gate angle and the runner blade pitch independently of one another. The hydroelectric turbine generator includes a means for separately controlling wicket gate angle and runner blade pitch. The wicket gate angle control mechanism controls the flow into the system, pre conditions flow for maximum power and maintains reservoir level. The runner blade pitch control mechanism continuously monitors the system power output based on actual power produced, and adjusts system parameters in order to achieve maximum power output. | 06-14-2012 |
| 20080238099 | Water supply tunnel secondary purpose turbine electric power generator system - A water supply tunnel secondary purpose turbine electric power generator system includes: a.) a water supply subsystem with a water source at an elevation that is at least 300 feet above the mean altitude of a community, that includes a gravity fed underground water tunnel being located, at least in part, upstream from the community, and, at least in part, being located under the community. There is a plurality of riser conduits in the community connected to the gravity fed underground water tunnel, delivering water from the water source to the community at a pressure that is at least 100 psi in excess of desired water pressure delivered to community water lines; b.) water valving subsystems connected to each of the riser conduits and one of each including at least one safety valve, to lower water pressure of the delivered water; and, c.) a power generating turbine subsystem, including at least one water driven turbine located in at least one of the water supply subsystem and water valving subsystem. | 10-02-2008 |
| 20110057442 | HYDROELECTRIC POWER GENERATOR AND RELATED METHODS - A hydroelectric power generator is capable of generating electrical power from a moving body of water. The power generator comprises a shell comprising a wall having interior and exterior surfaces, and an interior volume. A fixed gear is fixedly attached to the interior surface of the shell. A stationary shaft extends across the interior volume of the shell. A set of fins is attached to the exterior surface of the shell, and the fins are capable of rotating the shell about the stationary shaft from the force of the moving body of water. An electrical generator is mounted on the stationary shaft. The generator comprises a drive gear that engages the fixed gear to drive the electrical generator. An electrical connector transmits the generated electrical power to the external environment. | 03-10-2011 |
| 20080203729 | Floating power generation device and system - A floating power generating device that includes a support frame having a pair of buoyant pontoons, a power generator mounted to the support frame between the pontoons, an electrical cable in electrical communication with the power generator, and means for maintaining the floating power generating device in a substantially fixed position within the flow of water. | 08-28-2008 |
| 20120056424 | METHOD AND DEVICE FOR DECELERATING AN UNDERWATER POWER STATION - The invention concerns a method for the operation of an underwater powerplant comprising a water turbine for purposes of absorbing kinetic energy from a flow of water; an electrical generator with converter feed, whose generator rotor is connected in a torsionally rigid manner with the water turbine, wherein the invention is characterised in that in normal operation a first frequency converter is used for purposes of converter feed, and in the braking operation at least one second frequency converter, or one component of a second frequency converter, is connected into the circuit and synchronised with the first frequency converter, in order to execute with the latter in a combined manner a converter feed to the electrical generator, which generates a generator torque braking the water turbine. | 03-08-2012 |
| 20120007361 | Water Handling Environment Water Electric Generator - A variable volume and velocity water electric generator system for use in a narrow channel in which variable amounts of water flow. The system includes an electric generator/water wheel unit mounted on a rigid frame vertically aligned within the channel. The unit includes an electric generator and the water wheel assembly that are axially aligned. When the frame is vertically aligned and lowered into the channel, the water wheel assembly is transversely aligned in the channel and its fixed vanes optimally positioned into the path of the water flowing through the channel. The generator's outer casing is connected to an end plate on the water wheel assembly so that the outer casing and the water wheel assembly rotates as one unit. A programmable inverter is connected to the generator that measures the voltage output and controls the amperage load exerted on the electric generator to electrical power extracted from the water is optimized. The water wheel assembly is connected to an optional winch and a sensor that automatically lowers and raises the water wheel assembly on the frame according to the level of water flowing in the channel so that the vanes are optimally positioned in the flow of water | 01-12-2012 |
| 20110012351 | HYDROPOWER DEVICE - A hydropower device for generating electric power comprises a pipe having an upstream portion and a downstream portion and being arranged to convey water. A valve is provided at the downstream portion and adjustable between a closed position hindering the water and an open position permitting the water to flow. A cylinder member defines an inner space and having a first end and a second end. The inner space extends away from the pipe along a centre axis (x) and receives water from the pipe via the first end when the valve is in the closed position. A piston is disposed in the inner space and movable back and forth along the centre axis. The piston moves away from the pipe by means of an overpressure arising when the valve is in the closed position. | 01-20-2011 |
| 20110089691 | GEARLESS TURBO-GENERATOR - An auxiliary power unit includes a gas generator that produces a flow of gases to drive a free power turbine that directly drives an electric generator. The electric generator is driven by the free power turbine at a desired speed without the use of step down gearing to provide a lighter weight and more cost effective electric power generating system. | 04-21-2011 |
| 20100207388 | SUPPLEMENTAL POWER SOURCE - A supplemental power source for a building or other structure is provided. Power is generated by converting mechanical energy derived from a fluid into electrical energy. The fluid can be, for example, in the form of air in a building air duck or water in building water lines. The invention includes a specially designed turbine enclosure through which the fluid passes. The enclosure has a Venturi area which results in movement of the fluid at a rapid speed through the turbine. An electric generator with a ratable blade also is provided within the Venturi area in order to take advantage of the faster moving fluid. The faster the fluid moves, the more energy can be converted by the generator. The generator can be constructed with a plurality of electric coils and magnets which can be arranged in series/parallel combinations depending on the power requirements of a particular application. | 08-19-2010 |
| 20120235408 | SELF-POWERED MINIATURE LIQUID TREATMENT SYSTEM WITH CONFIGURABLE HYDROPOWER GENERATOR - A liquid treatment system that may be self-powered includes a hydro-generator. A flow of liquid may be used to rotate the hydro-generator to generate electric power. The hydro-generator may include an outer housing and an inner housing. The inner housing may include a first hub removeably engaged with a second hub. A plurality of paddles may be replaceably engaged between the first hub and the second hub. An electrical generator may be disposed in the inner housing. A flow of liquid may strike the paddles causing the inner housing to rotate. During rotation of the housing, the electrical generator may produce electrical power. | 09-20-2012 |
| 20120074698 | Power Control Methods - In an oscillating water column (OWC) assembly power may be generated based on a power reference that is derived from an estimate of the available mechanical power in the air turbine | 03-29-2012 |
| 20090134623 | FLUID ENERGY APPARATUS AND METHOD - A preferred embodiment includes a system for power generation through movement of fluid having a variety of configurations and implementations. One preferred embodiment includes a system for power generation through movement of fluid includes a power generating cell with a generally cylindrical housing a ring for rotating disposed in said housing, one or more impellers fixedly coupled to said ring, and a generator operably coupled to said ring for receiving energy from the one or more impellers in which fluid is disposed about one or more impellers for creating energy. | 05-28-2009 |
| 20090021011 | Hydro turbine generator - A hydroelectric turbine generator and control system is provided that optimizes the maximum possible power output at all times by strictly monitoring power output from the generator unit and modulating the wicket gate angle and the runner blade pitch independently of one another. The hydroelectric turbine generator includes a means for separately controlling wicket gate angle and runner blade pitch. The wicket gate angle control mechanism controls the flow into the system, pre conditions flow for maximum power and maintains reservoir level. The runner blade pitch control mechanism continuously monitors the system power output based on actual power produced, and adjusts system parameters in order to achieve maximum power output. | 01-22-2009 |
| 20100327583 | PITCH, ROLL AND DRAG STABILIZATION OF A TETHERED HYDROKINETIC DEVICE - A hydrokinetic device is provided that extracts power from a water current. The device comprises a buoyant body and a rotor coupled to the buoyant body configured to drive a power generator. The buoyant body and the rotor jointly define a center of buoyancy and a center of gravity, the center of buoyancy being located above and upstream of the center of gravity. | 12-30-2010 |
| 20100327581 | MINIATURE HYDRO-POWER GENERATION SYSTEM POWER MANAGEMENT - A miniature hydro-power generation system may include a hydro-power generator and energy storage devices. A flow of liquid may be used to rotate the hydro-generator to generate electric power at a generator output. The generator output may be electrically coupled to each of the energy storage devices so that the energy storage devices can be independently charged with the electric power produced by the hydro-power generator. The hydro-power generator and/or the energy storage devices can also supply electric power to a load. The energy storage devices may also be electrically coupled via a series/parallel switch so that at least two of the energy storage device may be switched between a series configuration and a parallel configuration. | 12-30-2010 |
| 20110210548 | CONTROL SYSTEM FOR EXTRACTING POWER FROM WATER FLOW - A system for controlling operation of a water turbine is described, the system comprising, a turbine; means for measuring an activity affecting operation of the turbine; means for altering operation of the turbine; and a data processing apparatus comprising a central processing unit (CPU), a memory operably connected to the CPU, the memory containing a program adapted to be executed by the CPU, wherein the CPU and memory are operably adapted to receive information from the measuring means and implement an instruction to the altering means to alter the operation of the turbine. Data processing systems, computer program elements and methods for controlling operation of the turbine are also described. | 09-01-2011 |
| 20120086204 | SYSTEM AND METHOD FOR CONTROLLED HYDROELECTRIC POWER GENERATION - A system for generating electricity in a water distribution network includes a hydroelectric generator in fluid communication with a pipeline or a valve of the network. A differential pressure control pilot limits differential pressure across the hydroelectric generator. A solenoid coupled to the differential control pilot controls water passage through the differential control pilot, and thus the operation of the hydroelectric generator. An electronic controller may be used to optimize power generated by the hydroelectric generator. | 04-12-2012 |
| 20120086203 | Exhaust Generator Assembly - An apparatus for generating electricity from a relatively low velocity exhaust produced by a blower on a piece of machinery. The apparatus includes a fan assembly and a generator located inside an outer housing mounted on a base. Attached to the base and extending into the outer housing is a conical tunnel with a bypass gate that selectively closes the tunnel and thereby control the flow of exhaust gas through the apparatus. The fan assembly includes a plurality of fixed vanes that extend transversely into the path of the exhaust. The ends of the vanes are attached to two side plates that rotate freely around the frame's center axis. Attached to the inside side plate is a low RPM generator that includes two rotating magnetic plates and a fixed stator disc with a plurality of coil members is formed. The apparatus includes a programmable logic controller (PLC) coupled to sensors that monitor the exhaust gas velocity delivered to the tunnel, the fan assembly's RPMs and the position of the bypass gate in the tunnel. During operation, the PLC is constantly monitors and makes adjustments to the position of the bypass gate to control the flow of exhaust gas to the fan assembly so that the maximum amount of electricity is being produced without negatively impact the machinery's performance. | 04-12-2012 |
| 20120091711 | Apparatus and Method for Producing Electric Power from Injection of Water into a Downhole Formation - An apparatus and method for generating electricity from a liquid flowing in a generally vertical direction down a borehole. There is a turbine disposed at a subsurface position and having an intake and a discharge, the turbine being mechanically coupled via an output shaft to an electric generator such that rotation of the output shaft drives the generator to produce electric power. A control valve assembly is positioned below the turbine, the control valve assembly including a valve adapted to receive water discharged from the turbine and a control system operatively connected to the valve for throttling the valve in response to the rate of flow of liquid to the turbine to maintain the rotation of the turbine in a predetermined RPM range. | 04-19-2012 |
| 20120091710 | APPARATUS AND METHOD FOR CO-GENERATION - A co-generation apparatus for the generation of electricity from an external source of forced air is described in which the co-generation apparatus comprises a turbine, a generator, a co-generation control unit, and an adjustable standoff. The turbine is connected to the generator for the production of electricity. The generator interface electrically connects the generator to an electrical system. The co-generation control unit is connected to the turbine and generator interface. The forced air drives the turbine. The turbine can be positioned in a turbine housing that receives the forced air. An adjustable standoff is connected to the turbine. The standoff adjusts the position of the turbine relative to the forced air. | 04-19-2012 |
| 20110309619 | Generator with Falling Stator - A generator is provided including a rotatable pressure vessel with an inner and outer surface. Electromagnets are disposed on the inner surface of the pressure vessel. A biasing structure is configured to rotate within, and independently of, the pressure vessel and extends at least partly along a lengthwise dimension of the pressure vessel. The biasing structure has an axis of rotation that is within the circumference of the pressure vessel, and may be substantially parallel and coincident with a center axis of the pressure vessel. The biasing structure has a center of gravity at a radius away from the center axis of the pressure vessel. Armature coils are disposed on an outer portion of the biasing structure, and are positioned such that a relative motion between the electromagnets and the plurality of armature coils induces a current in the armature coils when a current is applied to the electromagnets. A transfer mechanism is configured to transfer electrical current from first electrical conductors connected to the armature windings to an outside of the pressure vessel. | 12-22-2011 |
