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9045044 Battery charge/discharge control device, battery charge/discharge control method, and hybrid working machine with battery charge/discharge control device  
A battery charge/discharge control device which performs battery charge/discharge control in a working machine with a battery capable of storing electric energy generated by a generator motor...
9041235 Hydrokinetic power generation system  
A system for generating electrical power includes one or more turbine systems, a linking system, a power receiving station, and a transmission line. The turbine systems includes a turbine, a...
9041234 Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough  
A double fed induction generator (DFIG) converter method are presented in which rotor side current spikes are attenuated using series-connected damping resistance in response to grid fault...
9041238 Variable wing venturi generator  
A variable wing venturi generator and a housing for the same are presented. The wings are variable in that their relative position may be changed and optimized to maximize airflow through a...
9041240 Wind turbine apparatus  
A wind turbine apparatus includes a wind turbine, a support column supporting the wind turbine, and a turning base as a base for the support column, the turning base including a turning gear and a...
9041239 Vertical axis wind turbine with cambered airfoil blades  
A wind turbine having blades that rotate in a horizontal plane about a vertical axis. A single output shaft is directly connected by one-way bearings to the driven shaft of a permanent magnet...
9041236 Wind turbine having power electronics in the nacelle  
A wind turbine includes a nacelle which accommodates at least a generator and power electronics electrically interconnected between the generator and a power grid. At least one power electronic...
9041231 Power generation apparatus and switch  
A power generation apparatus includes an operation member that has a first operation part or a second operation part operated upon power generation; a power generation part that generates an...
9039334 Methods and apparatuses for moving objects based on a buoyancy force  
A pipe of an apparatus has a first gas in a first space and a second gas in a second space. The first gas is in the amount to generate a buoyancy force that exceeds at least a gravity force to...
9038581 Linear alternator assembly with four-stroke working cycle and vehicle having same  
A linear alternator assembly is provided that includes a block defining a cylinder. The cylinder block has inlet ports at which fluid enters the cylinder, exhaust ports at which fluid is exhausted...
9041230 Method and apparatus for motional/vibrational energy harvesting via electromagnetic induction using a magnet array  
Embodiments of the subject invention pertain to a method and apparatus for vibrational energy harvesting via electromagnetic induction using a magnet array. Specific embodiments of the subject...
9041232 Electric generator system  
An electric generator system includes a rotatable shaft that is configured to rotate about a central longitudinal axis of the shaft, and a pilot permanent magnet generator (PMG) mounted to the...
9038377 Power generator  
The power plant disclosed is an engine that derives its usefulness in the pursuit of energy generation by utilizing hydrostatic pressure differentials found or created in various liquids, gases or...
9041233 Ice detection method and system for wind turbine generators using sun radiation sensors  
The present invention defines a system and method aiming at measuring the direct solar radiation received by a wind turbine generator in order to detect ice formation. The measured value is...
9041237 Wind turbine drive train and wind turbine  
A wind turbine drive train is provided. The wind turbine drive train includes a hub, a bearing system supporting the hub and having an inner race connected to the hub, and a generator gearlessly...
9035475 Air-drop device tail charger  
A system and method for powering an air-drop device is presented. One configuration of the system includes an energy capture device, a generator and an electrical logic unit. The energy capture...
9035477 Integrated energy generating damper  
A linear energy harvesting device that includes a housing and a piston that moves at least partially through the housing when it is compressed or extended from a rest position. When the piston...
9035480 Wind turbine and method for operating a wind turbine  
A method is employed for operating a wind turbine. Electrical energy is produced by means of a generator and is fed into an electrical power network. The electrical energy is fed to the secondary...
9032702 Accessory gearbox device for a jet engine  
An accessory gearbox for an engine having at least one accessory gearbox shaft connectable to an auxiliary unit and driveable by a drive shaft, the drive shaft being operatively connectable to an...
9035476 Power generating device  
A power generating device includes an input rotor that is provided to an output shaft of speed up gears so as to be capable of rotating together with the output shaft, an output rotor that is...
9033650 Variable blade type tidal and wind power generator with increased generation efficiency  
Disclosed herein is a variable blade type tidal and wind power generator with increased generation efficiency. The tidal and wind power generator includes an installation frame (10), a vertical...
9035481 Using AC and DC generators with controllers as a regenerative power burn off device  
A power generation device for a utility vehicle having a battery source, a logic/driver module operably coupled to the battery source and capable of outputting power to a motive drive system, an...
9035479 Turbine controller for optimizing economic present value of the turbine  
A controller for optimizing the operation of a turbine to maximize the net present value of the revenue it generates over its lifetime. The controller calculates a plurality of net present values...
9035482 Spiral turbine operating on pressure principle  
An apparatus of a gas turbine for the purpose of converting the pressure and temperature energy of a gas into rotational kinetic energy of a turbine; through an axial injection of such gas into...
9035478 Aircraft engine constant frequency starter/generator  
A constant frequency starter/generator for a turbine engine includes a first inverter/converter, a second inverter/converter, a DC link electrically connecting the first inverter/converter to the...
9030174 Current balance control in converter for doubly fed induction generator wind turbine system  
Systems and methods for reducing current imbalance between parallel bridge circuits used in a power converter of a doubly fed induction generator (DFIG) system are provided. A control system can...
9030039 Wind turbine and compressed gas storage system for generating electrical power  
A wind turbine and compressed gas storage system for producing electrical energy. A plurality of wind turbines is serially interconnected for staged compression to output high pressure compressed...
9030035 Quick start-up of wind turbine generators  
A wind farm is provided that is capable of quickly starting up without delay after an electrical grid becomes available after an outage. According to one embodiment, the wind farm comprises one or...
9030033 Energy regeneration device of suspension system for vehicle  
An energy regeneration device of a suspension system for a vehicle includes: a suspension link that connects a wheel carrier to a vehicle body; a bush unit that outputs hinge motion of the...
9030038 Tethered airborne wind power generator system  
The present application is directed to a tethered airborne wind power generator system including a plurality of pilot buoyant parafoils, at least one power generator parafoil, a nacelle and its...
9030037 Wind generator with wind blade rotating cage for driving multiple generators  
A wind generator with a wind blade rotating cage for driving multiple generators is disclosed. Sixteen wind blades (8) manufactured by a stretch extrusion process are mounted on the periphery of...
9030079 Energy harvesting device using auxetic materials  
An energy harvesting device using auxetic materials includes a first auxetic conductive electrode layer. A second auxetic conductive electrode layer is associated with the first auxetic conductive...
9030034 Stationary power plant, in particular a gas power plant, for generating electricity  
The invention concerns a stationary power plant, in particular a gas power plant, to generate electricity; having an internal combustion engine, comprising a fuel medium inlet and an exhaust gas...
9030036 Arrangement for a direct drive generator for a wind turbine and method for the assembly of the generator  
The invention concerns an arrangement for a direct drive generator for a wind turbine, which generator comprises a stator with several stator segments each stator segment having at least one...
9024461 Tidal energy seawater desalination system, power generation system and integral energy utilization system  
A tidal energy seawater desalination system wherein a seawater evaporation tower is configured with a vacuum pump which connects with a tidal energy power device, and connects a seawater...
9024459 Wind turbine generator, method, and program thereof  
A rotor having a plurality of wind turbine blades, a generator to be driven by rotation of the rotor, a pitch angle controller for controlling a pitch angle of the wind turbine blades according to...
9024460 Waste heat recovery system generator encapsulation  
In one embodiment, a system includes a generator configured to receive a flow of an organic working fluid. The generator includes a stator and a permanent magnet rotor configured to rotate within...
9024463 Vertical axis wind turbine with multiple flap vanes  
An improved wind turbine device with energy storage comprises a turbine rotor with rotatable vertical shaft, at least one bearing for said vertical shaft, and multiple rotor vanes disposed...
9024462 Generation of electrical energy in a ski or snowboard  
A ski or snowboard having an interface power source is provided. The power source uses reverse electrowetting technology to generate a charge to power devices connected to the interface. The power...
9024458 Energy storage system utilizing compressed gas  
An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the...
9018821 Stator arrangement for an electromechanical transducer, electromechanical transducer and wind turbine  
A stator arrangement for an electromechanical transducer is provided. The stator arrangement includes a base structure, a coil holder, a coil mounted at the coil holder; and a flexible element...
9018789 Drive train for a wind turbine  
A wind turbine drive train (1) comprising a gearbox (2), a generator (3) and a coupling (4) located between an output shaft (5) and a rotor shaft (6). The gearbox and the generator are separate...
9018785 Wave energy conversion plant  
The present invention provides a structure driven by floats placed in a body of water such as a sea, an ocean or the like for converting wave energy into electricity. The structure comprises a...
9017042 Multi-stage pump system  
A multi-stage pump system for use in desalination systems including a first stage S1 providing low pressure for priming the system a second stage S2 that is in fluid communication with the first...
9018786 Water current power generating device  
A water current power generating device for generating electric power from water current power includes a sway vibrating body which bends in a response to a fluid force exerted on a circumference...
9018788 Wind sensor system using blade signals  
The present invention relates to a wind-velocity-field measurement system for use in a wind turbine having a rotor with′ two or more blades, comprising at least one sensor-signal obtained by...
9020721 Real time modeling of engine load addition due to alternator with an over-run clutch  
A system and method for providing engine torque load in real time. The system includes a sensor to determine, in real time, a clutch state of an alternator clutch and a controller for determining...
9018791 Impact type wind-driven power generating device  
An impact type wind-driven power generating device is classified into a vertical shaft impact type wind-driven power generating device and a horizontal shaft impact type wind-driven power...
9020734 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...
9018778 Waste heat recovery system generator varnishing  
In one embodiment, a system includes a generator configured to receive a flow of an organic working fluid. The generator includes a stator and a permanent magnet rotor configured to rotate within...