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8672263 Power distribution system  
A power distribution system for an aircraft having at least one engine includes at least one torque transmission means that is movably held and is connected to at least one shaft of the engine and...
8674526 Electrical energy generator  
An electrical energy generator including a housing, an electromagnetically active mass positioned within the housing, an electrically conductive material within the housing, a body positioned...
8669671 Hydraulic wind farms for grid electricity and desalination  
Pressurized hydraulic flow created in wind farms with wind driven pumps (wind-pumps) used for rated electric power production by means of hydraulic motors, or turbines, of constant speed and...
8667949 Engine driven power generator apparatus  
An engine-driven power generator apparatus, which includes, within a case, an engine and a power generator drivable with the engine, and in which an operation panel is provided on a front cover and...
8667791 Damper and damping structure for a wave energy conversion device and mooring component  
The present invention relates to a damper for damping the reactionary motion of a wave energy conversion device to wave motion, comprising a damping energy absorber (7) having a reversible...
8669667 Method for generating electricity  
An electrical generating method is provided that generates electricity when bending of a first flexible plurality of conductors, a second flexible plurality of conductors and a flexible magnetic...
8669670 Gas turbine engine configurations  
A system of dense packaging of turbomachinery in a gas turbine engine by means of close-coupling of components and by the ability to rotate various engine components with respect to other engine...
8668433 Multi-turbine airflow amplifying generator  
A wind generating device employs modules each having two turbines. Each of the turbines employs two rotors coaxially aligned by a shaft associated with an in-line generator. Alternatively, the...
8669669 Voltage control in a doubly-fed induction generator wind turbine system  
Systems and methods for regulating voltage in a doubly fed induction generator (DFIG) system are provided. More particularly, the voltage of the auxiliary power feed in a DFIG wind turbine system...
8669672 Wind turbine  
A wind turbine which includes a direct drive generator is disclosed. The direct drive generator includes an inner stator arrangement and an outer rotor arrangement and a stationary shaft with a...
8669685 Wind power turbine for producing electric energy  
An electric generator of a wind power turbine has a stator having a cylindrical shell; a number of segments arranged, along the inner face of the cylindrical shell, in a circumferential...
8669668 Ocean swell energy conversion apparatus  
An apparatus for the conversion of the energy of sea or ocean swells. The apparatus comprises: a frame including a vertical post and horizontal beam; a first generator slidably connected to the...
8667798 Methods and systems for power generation by changing density of a fluid  
A method for generating energy from low-density fluids is provided. The method includes placing a first object in a first portion of fluid having a first density, injecting low-density fluids into...
8664782 Electric generator apparatus for motor vehicles  
A system for generating electricity for powering an electric or hybrid motor vehicle uses a fan which is driven by the air flow created by the motion of the vehicle. In the event that the fan is...
8664793 On-demand generation of electricity from stored wind energy  
The disclosed embodiments provide a system that generates electricity. During operation, the system uses a set of rotating blades to convert rotational energy from a wind turbine into heat in a...
8664785 Power recovery system using a rankine power cycle incorporating a two-phase liquid-vapor expander with electric generator  
A power recovery system using the Rankine power cycle incorporating a two-phase liquid-vapor expander with an electric generator which further consists of a heat sink, a heat source, a working...
8664794 Coaxial wind turbine  
Disclosed is a gearbox with two driver gears that are phase shifted 180 degrees with respect to a driven gear so that counter-rotation of the driver gears combine to rotate the driven gear...
8664800 System and method for distribution of inverter VAR support  
Power inverters are controlled in response to reactive power support commands received from a power grid such that at least one power inverter provides reactive power to the power grid. The...
8664786 Underwater pumped-hydro energy storage  
Device and methods associated with underwater pumped-hydro energy storage are disclosed. An underwater pumped-hydro energy storage device includes a submersible tank that includes an inlet and an...
8661807 Potential energy regenerating system and method and electricity regenerating system and method  
The present invention provides a potential energy regenerating system and method and an electricity regenerating system and method. The potential energy regenerating system comprises: a liquid...
8664815 Flywheel energy storage device with a hubless ring-shaped rotor  
A flywheel based energy storage apparatus includes a housing and a hub-less flywheel mounted within the housing. The hub-less flywheel has a mass which is shifted radially outwards from a central...
8664791 Flexible shaft wind turbine  
A horizontal-axis wind turbine of a rotor-support design is provided in which the structural load of the wind turbine rotor is carried by the wind turbine tower itself. The turbine uses a composite...
8664789 Wave-power unit  
The invention relates to a wave-power unit with a floating body (1) connected by flexible connection means (3) to a translator (6) reciprocating in a linear generator (2), The floating body (1) is...
8664792 Wind turbine and a shaft for a wind turbine  
A drive shaft for a wind turbine is shaped so as to allow for increased bending of the shaft, while being suitable for transferring torque in a wind turbine system. An example of such a shaping is...
8664787 Speed setting system and method for a stall-controlled wind turbine  
A speed setting system that generates a speed control command for controlling the rotational speed of a stall-controlled wind turbine of a wind-powered machine. The speed setting system generates...
8664795 Structure and method for capturing and converting wind energy at sea  
A system for capturing and converting and/or storing wind energy includes a vessel adapted to receive at least one wind machine for capturing wind and a device for converting wind energy to...
8664781 Tunnel power turbine system to generate potential energy from waste kinetic energy  
A system for generating energy from waste includes a generator device and an ejector device integrated in a pipe line unit. The generator device includes nozzle venture inlets. The ejector device...
8665673 Clock shower head  
A clock shower head includes a hollow body, a hydroelectric generator, a storage battery, a clock processor, a clock displayer and a main control circuit; the hydroelectric generator, the storage...
8664790 Underwater power generator with dual blade sets  
A power generation apparatus for generating power from water flows is described. The power generation apparatus includes: a generator; a first blade set operatively mounted to the generator for...
8664783 Methods and systems for engine starting  
A system for improving engine starting is disclosed. In one example, an engine starting is improved by providing a predictable load to the engine during engine starting. The predictable load may be...
8664788 Method and systems for operating a wind turbine using dynamic braking in response to a grid event  
A method and system for dissipating energy in a direct current (dc) bus of a doubly-fed induction generator (DFIG) converter during a grid event is described. In one aspect, the method comprises...
8664784 Louvered turbine for generating electric power from a water current  
A subsurface power generating system in one embodiment includes a frame, an electric generator supported by the frame and operably connected to a first vertical rotor, another electric generator...
8660706 SCADA unit  
In order to improve a decentralized control and data recording unit (2) (SCADA unit) for installation in decentralized energy resources (DER), in particular, wind turbine units, and/or for...
8659176 Electromagnetic energy harvester and a door latch release mechanism as an energy source for the harvester  
A system for electromagnetically harvesting waste kinetic energy. A wound electrical coil having a hollow bobbin abuts an opening in ring magnet. An actuator plunger extends through the opening....
8657528 Brine disposal system for a brine source  
Brine disposal systems are configured to receive brine from a brine source and to passively collect seawater from a nearby ocean during high tide using one or more tidal forces. Tidal movements...
8659180 Power generation apparatus  
A marine power generation apparatus is provided for generating power from an ocean current. The apparatus includes a turbine operable to generate power when within an ocean current. The turbine...
8659179 Direct drive rotary wave energy conversion  
An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float...
8657227 Independent power generation in aircraft  
Systems and methods of independent power generation are disclosed. A particular system includes an aircraft having at least one engine and a plurality of independent power units. Each power unit of...
8659177 Motive power regeneration system for working machine  
A motive power regeneration apparatus for a working machine includes a regeneration circuit that is connected to a hydraulic line through which a returning fluid of a boom cylinder is distributed...
8659178 Wind turbine control method, control unit and wind turbine  
A wind turbine control method for dampening vibrations of a transmission system, even in the presence of voltage dips and in any event that is susceptible to reducing active current generation...
8653709 Rotating electrical machine, linear motion electrical machine, and wind generator system  
This disclosure discloses a rotating electrical machine comprising: a stator; and a rotor; one of said stator and said rotor having a coil, the other having a plurality of magnetic pole units each...
8650870 Wave actuated devices  
The present disclosure is directed to wave actuated devices for converting wave energy from waves passing through water into mechanical work, the wave actuated devices including primary buoys...
8653688 Submerged ram air turbine generating system  
A submerged ram air turbine generating system adapted for use in a pod mounted to the wing of an aircraft comprises a submerged inlet extending substantially entirely around the outer surface of...
8653680 Power generation control apparatus  
When electric generators operate in parallel, field current control operations thereof are synchronized thereby to equalize load balance therebetween. A first power generation control device...
8653681 Power equipment apparatus having flywheel assembly  
A power equipment apparatus includes an engine, a starter switch, a battery, a flywheel assembly, a power regulator, and a controller. The engine includes a crankshaft. The starter switch is...
8653687 Liquefied gas expander nozzle ring having adjustable guide vanes  
The present disclosure provides an improved multistage cryogenic liquefied gas expander for transforming the energy of a pressurized liquefied gas into electric energy, capable of operating at...
8653682 Offshore hydroelectric turbine assembly and method  
The invention is directed to a single moored offshore marine turbine assembly having a central control vessel which includes a main vessel tethered to a control buoy. The main vessel having a first...
8653679 Portable power supply having both inverter power supply and traditional power supply receptacles  
A generator for providing electric power. The generator includes an engine associated with an alternator. Rotation of the engine causes the alternator to generate an AC source voltage that is fed...
8653678 Method and apparatus for a thermo-electric engine  
An engine apparatus and method for operating same is disclosed. The engine generates electrical energy from phase changes of two different mixtures within chambers of the engine. Thermoelectric...
8651766 Wind, solar and hybrid wind-solar water circulation and aeration methods and apparatus  
Circulation and aeration systems for ponds, lakes, sounds, treatment basins, and other bodies of water. In one set of embodiments, water is pumped in a downward direction to circulate ambient...