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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...
8655495 Current control of a wind park  
A method for controlling a current in a wind park is provided. The wind park includes at least one wind turbine and at least one current generator. The method includes detecting a grid...
8654512 Mobile electricity generator using solar, wind and fuel-generated power  
A mobile electricity generator comprising a telescopic boom, a first retractable support leg, and a base. The telescopic boom comprises a first end and a second end. A wind turbine is attached to...
8653677 Electromagnetic, continuously variable transmission power split turbo compound and engine and vehicle comprising such a turbo compound  
An electromagnetic, continuously variable transmission power split turbo compound includes a turbo compound turbine driven by exhaust gases from an internal combustion engine, and a power split...
8655570 Method, apparatus, signals and media, for selecting operating conditions of a genset  
An apparatus for selecting operating conditions of a genset, the apparatus including a processor circuit configured to select a set of operating points from a plurality of operating points of the...
8653685 Method and control arrangement for controlling central capacitors in wind power plants  
The present invention relates to a control system and an associated method for controlling an amount of reactive power delivered from a wind power plant to an associated power supply grid, the...
8653684 Facility for producing electrical energy from wind  
A facility for producing electrical energy has a plurality of shrouds, a plurality of wind turbines, a power system, a plurality of modules, a pivotal mounting system, and a support structure. Each...
8653683 Device for controlling a double-fed asynchronous machine  
The invention relates to a device and method for controlling a double-fed asynchronous machine (4), preferably for a power plant, in particular for a wind or water power plant. The device includes...
8653686 System for generating electric and mechanical power utilizing a thermal gradient  
A system for generating electric and mechanical power utilizing a thermal gradient includes a thermal gradient producing device in communication with a turbine generator. The system being...
8648574 Output control device for hybrid engine-driven power generator  
A power generator has a battery and an alternator driven by an engine. The battery assists a power energy of the alternator. An inverter circuit is connected to an output of a rectifying circuit. A...
8649887 Methods, systems and apparatus for implementing dithering in motor drive system for controlling operation of an electric machine  
Embodiments of the present disclosure relate to methods, systems and apparatus for implementing dithering in motor drive system for controlling operation of a multi-phase electric machine.
8648488 Wind turbine  
A wind turbine connected to a utility grid includes a nacelle, at least one transformer for feeding generated power to the utility grid, and a flexible suspension arrangement connected to a load...
8648480 Energy harvesting system using flow-induced vibrations  
A system includes a housing disposed within a fluid having a fluid flow. A first member is located substantially external to the housing and is directly exposed to the fluid flow and lengthwise...
8648482 Wind turbine, drive train assembly, wind turbine nacelle system, methods for converting rotational energy and methods for building a nacelle and for re-equipping a wind turbine  
A wind turbine with a drive train connecting a drive unit with a generator assembly is provided. The generator assembly includes a first generator with a first stator and a first rotor, the first...
8648486 Method and system for tidal energy storage and power generation  
A tidal energy storage, power generation method is disclosed. During one tidal period, the method includes the following steps: during the early stage, forming a float into an enclosed hollow...
8648485 Motion energy collection device  
A improved energy collection device is disclosed comprising a base a first shaft, rotatable about an axis, a second shaft fixedly mounted to the base, rotatably adapted around the first shaft...
8648487 Shaft power plant  
A shaft power plant for energy conversion of a discharge between a headwater and a tailwater, comprising a vertical shaft, the top of which forms an inflow plane which is parallel to the bed and...
8648484 Power generating device and braking device  
Power generation efficiency is improved with a simple configuration. A braking device is provided with a brake rotor which rotates on a central axis, and friction portions which are in frictional...
8648481 Wind generator with energy enhancer element for providing energy at no wind and low wind conditions  
The present invention is a wind generator system particularly suitable for small wind applications that harnesses low velocity wind. The wind generator system has a drive shaft; retreating blades...
8649911 System and method for operating a wind farm under high wind speed conditions  
A technique is provided for operating a wind farm at increased rated power output. The technique includes sensing a plurality of operating parameters of the wind turbine generator, assessing the...
8648483 Vertical axis wind turbine system  
Wind turbine system. The system includes a lower wind speed vertical axis wind turbine operatively connected to a first electrical motor/generator and a higher wind speed vertical axis wind turbine...
8643203 Two-stroke gasoline engine equipped with a self-powering generator  
A two-stroke gasoline engine equipped with a self-powering generator is disclosed. The two-stroke gasoline engine includes a housing, an engine bearer, a crank and a self-powering generator. The...
8643209 Air-floating carrier type wind power collection device  
An air-floating carrier type wind power collection device includes a pair of ailerons provided on each of front, middle, and rear sections of a floating body. The pressure and temperature of an...
8643208 Method of determining a magnet arrangement  
A method for arranging magnets of a rotor or stator of an electrical machine is provided. In this method a number of performance parameters of the electrical machine are identified. A plurality of...
8643201 Generator system for recovering vehicle and resident wasted energy  
The system is intended to extract energy from a vehicle that is otherwise wasted. As an example and not limiting, the generator and linkage as described can be employed with the rotation of a...
8640478 Nacelle cooling system for wind turbine  
A nacelle cooling system of a wind turbine has cooling blocks which are arranged in order to respectively surround one or more heating devices installed inside a nacelle, a passage pipe line which...
8643202 Air condition system capable of converting waste heat into electricity  
An air conditioning system includes an air conditioning unit and an electricity generating unit. The air conditioning unit includes an expansion valve, an evaporator, a compressor and a condenser...
8643204 Efficient energy conversion devices and methods  
In various embodiments, an apparatus for producing electricity includes a plurality of hydraulic-to-electric converters with each hydraulic-to-electric converters including a hydraulic motor...