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8742633 Rotary drive with linear actuators having two degrees of linear movements  
A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a coil...
8741493 Fuel production system  
A fuel production system and has an object to provide a fuel production system that is capable of producing HC with high efficiency by using variable energy. A first device is a CO/H2 generating...
8739538 Generating energy from fluid expansion  
An apparatus includes an electric generator having a stator and a rotor. A first turbine wheel is coupled to a first end of the rotor to rotate at the same speed as the rotor. A second turbine...
8742608 Drive system for use with flowing fluids  
The present invention includes a drive system for use in a flowing fluid, the drive system preferably having a first turbine connected to a shaft, a first gear connected to the shaft, a second...
8742614 Power generator utilizing intermittent fluid flow  
The invention is a power generator using intermittent fluid flow. The invention facilitates the harnessing of electric power from intermittent wind sources. The apparatus includes panels that are...
8742605 Method for aircraft engine start using synchronous generator and constant speed drive  
A method of starting an aircraft engine is provided. The method includes providing motive power from a generator for starting an engine during an engine start mode and deriving electrical power by...
8742607 Deep water power generation system and apparatus  
A system for generation of power using an apparatus in deep water is disclosed. The system includes a ballast buoy configured to achieve a desired depth in the deep water, a substantially vertical...
8742732 Control method for doubly-fed electric generator  
Exemplary embodiments provide a method of controlling a doubly-fed electric generator using a frequency converter having a torque and flux controller. The frequency converter is connected to a...
8742649 Method and apparatus for mechanical energy harvesting using planar microfluidic device  
An apparatus comprising a mechanical-to-electrical energy converting device utilizes an array of microfluidic droplets in association with a planar electrode and separated by a dielectric layer to...
8742609 Power management during grid faults  
A method for operating a wind turbine facility during for example a grid fault, the wind turbine facility comprising a power dissipation/storage being adapted to dissipate or store electrical...
8744635 Power production control method based on power production rate requirement  
A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power...
8742612 Turbine having counter-rotating armature and field  
In one embodiment, a turbine includes a first shaft rotatable in a first direction and a second shaft rotatable in a second direction; the second direction is generally opposite the first...
8742733 Methods and apparatuses for elimination of torque pulsation in doubly fed induction generators using the field reconstruction method  
Methods and apparatuses for substantially eliminating torque pulsation in a doubly fed induction machine are disclosed. An example method comprises: measuring a stator current of the doubly fed...
8742610 Wind turbine system and method of operating a wind turbine system  
A method of operating a wind turbine system includes: determining, by an industrial process controller, if an actual wind speed value, received from an anemometer, of a wind at a location of the...
8744731 Electronic digital governor and method of assembly  
An electronic digital governor assembly includes a case, a printed circuit board housed within said case, the printed circuit board having control circuitry configured for controlling at least one...
8736095 Elongated hydropower generation employing linear electric generation  
A linear hydro-kinetic power generation system generates electrical power from low head water, such as rivers or irrigation channels. The linear hydro-kinetic power generation system includes a...
8736087 Methods and apparatus for control of biomechanical energy harvesting  
An apparatus for harvesting energy from motion of a human or animal body segment and providing the energy to an electrical load is disclosed. The apparatus comprises a generator operatively coupled...
8733092 Wave power converting device  
A wave power converting device includes a platform, a plurality of first and second fluid guide assemblies and floating assembly. The platform has a retaining post anchored to an underwater ground....
8736090 Protection arrangement of an electric power system  
The inventive protection arrangement of an electric power system comprises a relay arrangement (12) for measuring current, voltage or both of an electric grid (15). The relay arrangement is adapted...
8736085 Method and apparatus for direct energy conversion  
A method and apparatus for direct energy conversion that combines the properties of Type II superconductor thin films, including the Meissner effect to create vortices to control and modulate...
8736088 Energy harvesting  
The present application describes techniques for the harvesting of kinetic energy from the movement of people and/or vehicles. A motion converter is discussed which converts linear progression...
8736091 Converter lifetime improvement method for doubly fed induction generator  
The present techniques include methods and systems for operating converter to maintain a lifespan of the converter. In some embodiments, the operating frequency of the converter may be increased...
8738192 Methods for operating a wind turbine  
A method for operating a wind turbine having at least one blade includes determining an ambient air operating envelope and controlling a power output of the wind turbine at least partially based on...
8736098 Symmetrical dual-structured wind power generation system  
A wind power generation system using the Bernoulli principle having an elongated tube, wind entry and exit openings on opposite ends of a main body of the tube, a central wind passing section of...
8736094 Wind-turbine-generator control system, wind turbine generator, wind farm, and wind-turbine-generator control method  
A turbine controller of a wind turbine generator includes a generated-output-power command value creating section that creates a generated-output-power command value and an...
8733093 High-efficiency wind power generators used as hydrokinetic energy converters on bridge and other structures  
In this invention, high-efficiency wind power generators are mounted on floats that are attached to bridge and other structures for generating electricity from hydrokinetic energy in water waves,...
8736093 Output control apparatus and output control method for wind turbine  
An output control apparatus for a wind turbine, including an output difference calculation unit; a maximum output rate setting unit; an output command value calculation unit; and an output control...
8738203 Method, apparatus, signals, and medium for managing power in a hybrid vehicle  
A method and apparatus for managing power in a hybrid vehicle is disclosed. The vehicle includes an engine, an electric motor, and an energy storage element coupled to the motor. The method...
8733301 Cover structure of general-purpose liquid-cooled engine  
A general-purpose liquid-cooled engine delivers a coolant cooling an engine body to a radiator and delivers a cooling air to the radiator by use of a cooling fan to cool the coolant. A cover...
8736086 Reciprocal vibration type power generator equipped with inner columnar and outer annular magnetic members, a power storage device, a rectifying circuit, and a charging circuit  
A reciprocal vibration type power generator includes a housing, a coil set seat, a power generation coil set surrounding the coil set seat, and a motion block including an outer magnetic member and...
8736096 Water flow electricity generating device  
A water flow electricity generating device includes: an annular stator in which a coil is provided; a permanent magnet that causes a magnetic force to act on the coil; a rotor main body that is...
8736097 Hydrokinetic generator system  
A hydrokinetic generator apparatus that includes a liquid reservoir having an outlet port and an inlet port that is disposed over the outlet port; an outflow valve that is disposed at the outlet...
8736089 Electric generator operated by random motion  
It is disclosed a device which includes an elongated member, and an energy convertor. The elongated member has a base side and a free end. A certain direction is defined by a line connecting...
8736092 Control system and a method for redundant control of a wind turbine  
A control system and a method for controlling operation of a wind turbine are disclosed. A first sensor and a second sensor are arranged for sampling or continuously measuring a first physical...
8729724 Eddy-type wind power generator  
An eddy-type wind power generator includes an inlet tube, an outlet tube and an electricity-generating assembly. The inlet tube has a first end and a second end. The first end has an inlet, an eddy...
8729721 Wind turbine rotor and wind turbine  
A wind turbine comprises a tower provided at the top with a horizontal shaft having an axis. A turbine rotor comprises turbine blades connected by a mounting arrangement to bearing members and to a...
8729726 Petroleum-alternative power plant  
The present disclosure includes a petroleum-alternative power plant system harvesting wind, solar, and thermal energies. The system may include at least one two-wind-turbine power tower building...
8729723 Removable offshore wind turbines with pre-installed mooring system  
A floating energy generating device includes at least two wind turbines mounted on a floating open structure, the floating open structure being moored to the seabed with a mooring system, each wind...
8729725 Wind-collecting type wind power generating apparatus installed on roadside  
Provided is a wind-collecting type wind power generating apparatus installed on a roadside, which performs power generation using traveling wind of vehicles traveling on the road. The wind power...
8731732 Methods and system to manage variability in production of renewable energy  
Methods and systems to control loads coupled to an electric energy or power grid within corresponding ranges of load values in response to one or more factors, such as to manage variability in...
8729720 Efficient energy producing system  
A system for generating output energy with minimal input energy is disclosed. The system's components include a crankshaft, a speed multiplier, a first electrical generator, a transformer, and a...
8729719 Cogeneration facility  
A cogeneration facility for supplying buildings and facilities with thermal energy and electrical energy is located in a closed enclosure, which is permanently under negative pressure during...
8726857 System and method for electrically-coupled heat engine and thermal cycle  
In accordance with an embodiment of the invention, there is provided a device for generating electrical energy using a thermal cycle of a working gas. The device comprises at least one piston...
8729869 Shore power transfer switch  
A vehicle includes a mobile electric power generation system including a mobile power source such as a generator. An external power interface is included to connect to an external electrical power...
8729718 Thermomagnetic generator  
A thermomagnetic generator is provided, including a switch valve, a plurality of magnetic circuit units, a coil, and a plurality of inlet pipes connecting the magnetic circuit units to the switch...
8727560 Wind-powered light-emitting diode lamp  
A wind-powered lamp includes lower and upper covers confining a space and having inlet and outlet holes, a reflective casing disposed in the space to extend outward from the inlet hole in the lower...
8729717 Turbocompound free piston linear alternator  
A free piston linear alternator including a pair of pistons, each piston axially opposed from the other and generating electric current when linearly translating within the cylinder, a combustion...
8729722 Wind turbine and method for monitoring the gap length between a rotor and a stator of the wind turbine generator  
Wind turbine comprising a generator section with a generator rotor and a generator stator. A first air gap is defined between a first surface of the generator rotor and the stator, and magnets and...
8723347 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...
8723344 Energy harvesting system  
An energy harvesting and harnessing system is mobile and can store energy when the system is not in motion for later use in powering the mobile transport refrigeration unit (TRU) or truck mounted...