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8541901 Wave power generating installation based on the principle of the oscillating water column  
To increase in particular the level of efficiency in the conversion of sea wave energy into electrical energy there is proposed a wave power generating installation having a chamber for the...
8541902 Wind power turbine electric generator cooling system and method and wind power turbine comprising such a cooling system  
A cooling system for cooling an electric generator of a wind power turbine including, in one embodiment: (a) a first heat exchanger fittable to the wind power turbine to release heat, produced by...
8541898 Control method and system for a wind power installation in case of grid faults  
The present invention relates to a method and system for controlling a wind power installation connected to an electrical power grid, in case of a fault in said grid. In the electrical machines...
8541895 Energy regenerating damper  
An energy-regenerating damper including a piston provided with a housing fitted inside a cylinder so as to be able to slide against the inner surface of the cylinder, a stator contained in/fixed to...
8541900 Fluid turbine  
A fluid turbine includes stator fitted with fluid inlet and outlet, and a rolling rotor installed inside the confusor part of the stator at one end of a shaft, with the other end fixed in a clamp...
8534062 Locally powered water distillation system  
A system for distributed utilities including electrical power and water. A generation device is provided for converting an available resource to a desired utility; the resource may be water, in...
8536719 Tubular turbine generator unit  
The invention concerns a tubular turbine generator unit including a turbine rotor disk;a drive shaft which is torsion-proof connected with the turbine rotor disk;an electrical generator with a...
8537961 Hybrid integrated energy production process  
Disclosed is an advanced process that relates to the enhanced production of energy using the integration of multiple thermal cycles (Brayton and Rankine) that employ multiple fuels, multiple...
8535009 Tapered roller bearing  
A two-row tapered roller bearing includes an outer ring (1) having an outer diameter of at least one meter, a first inner ring (2) and a second inner ring (3) that is disposed axially adjacent the...
8536727 Wind energy generating system  
A wind energy generating system includes a driving unit driving a shaft and a power generating module is connected to the driving unit and includes a first stator and a first rotor which rotates...
8536724 Ocean wave energy converter  
An ocean wave energy converter comprising a structure that is supported above the water and that has means to stabilize the structure, an array of guided independently operated elongate floats that...
8536728 Machine support for receiving a rotor/generator assembly of a gearless wind energy plant  
Disclosed is a mainframe for receiving a rotor-generator assembly of a gearless wind turbine, wherein the mainframe connects the rotor-generator assembly to the tower of the wind turbine; is...
8536725 Compact wind and water turbine systems  
A fluid driven electrical generation system with most of the electrical generation components in an inner hollow of a housing that is driven to rotate by trapper structures that trap energy from...
8536722 Wind-turbine-generator control system, wind turbine generator, wind farm, and wind-turbine-generator control method  
In a wind turbine generator, the rotation of the rotor is speeded up by a hydraulic pump and a hydraulic motor and is transferred to a synchronous generator. In a state in which the wind turbine...
8534077 Turbine engine with a power turbine equipped with an electric power generator  
A turbine engine for aircraft includes a gas generator as well as to a receiver driven by a power turbine, and to an electric power generator, the rotor of which centered on a rotor axis distinct...
8536720 Modular wind energy unit with simple electrical connections  
A wind energy apparatus is made up of a plurality of modular wind energy devices or units. Each unit has a housing and at least two turbines mounted on the housing. Each of the turbines has a blade...
8534068 Solar chimney with wind turbine  
A solar chimney includes an elongated chamber having the general configuration of an hourglass. The chamber includes one or more heat exchangers for heating air in the chamber by solar energy. A...
8536726 Electrical machines, wind turbines, and methods for operating an electrical machine  
Electrical machines, wind turbines, and methods of operating an electrical machine. The electrical machine includes first and second rotatable members that are configured to convert mechanical...
8534057 Electrical generator for waterway  
An apparatus for generating electricity from a flowing stream of water is disclosed. A rigid frame is fixed with a pair of wheels, or with two linkages in circuit around two pairs of wheels. A...
8534987 Wind energy conversion devices  
A wind turbine for harvesting energy from both horizontal and vertical wind currents having an open frame structure and a central passage through the structure with at least three wind energy...
8536723 Integrated hydroelectric power-generating system and energy storage device  
A hydroelectric power-generating apparatus comprising: (1) a fluid inlet, (2) a diffuser having (a) at least one vane supporting a diffuser hub and (b) a rotor rotatably supported by the diffuser...
8531049 System for harvesting power and method thereof  
A power harvesting device and method thereof are provided, wherein the power harvesting device is configured to harvest power from at least one falling object and transfer the harvested power. The...
8531051 Engine start control system for hybrid electric vehicle  
By avoiding an excessive cranking torque when starting the engine by a motor/generator and expanding a motor running region, fuel economy is improved. For a large required acceleration, cranking...
8531048 Light kit in combination with a pump system  
A light kit for a pump. The light kit includes a coil and a LED, where power produce by the coil when exposed to a rotating magnetic field powers the LEDs.
8531052 Auxiliary energy generator for use with a wind energy system  
A wind power generator has a frame, an axle extending horizontally and rotatably mounted relative to the frame, a plurality of arms extending radially outwardly of the axle, a plurality of panels...
8531050 Wirelessly powered gaming device  
Embodiments of the invention provide an interactive toy or gaming device for actuating various interactive play effects within a compatible play environment. The gaming device comprises a portable...
8532834 Method for integrating controls for captive power generation facilities with controls for metallurgical facilities  
A control system for a combined power generation and metallurgical plant facility integrates generator-side and load-side control to provide coordinated operation of the two processes. The power...
8529206 Wind turbine generator and yaw rotation control method for wind turbine generator  
There is provided a yaw rotation control method for a wind turbine generator that does not require a yaw motor and is advantageous for a reduction in cost and a reduction in size and weight of a...
8531047 Energy converter, counter with energy converter, system with counter, method for converting mechanical energy into electrical energy, and counting method  
An energy converter is disclosed which is provided for converting mechanical energy into electrical energy. Also disclosed is a counter, which includes its operating energy and also the counting...
8525357 Pedal power generating device  
A pedal power generating device includes a base having two supporting arms upwardly extending therefrom. The base has a gearbox mounted thereon. A pedal assembly is mounted between the two...
8525492 Electric power generation system with multiple alternators driven by a common prime mover  
An apparatus includes a vehicular electric power generation system comprising a variable speed internal combustion engine, a first variable speed electric power generator driven by the engine, a...
8525364 Apparatus for converting wave energy  
The invention is an apparatus and method for harnessing wave energy by transforming it in a continuous flow of water to be converted in mechanical energy through a water turbine. The energy wave...
8525365 Device for generating electric energy from a renewable source  
A device for generating electric energy (1) from a renewable source, in particular from wave energy, comprising an oscillating device (2) that can transform the thrust of a natural agent on the...
8527453 Method and system for predicting the occurrence of a wind gust at a wind turbine  
A method of predicting the occurrence of a wind gust at a wind turbine is described. The values of at least one parameter measured for the wind turbine as input data are obtained on a predetermined...
8525363 Horizontal-axis hydrokinetic water turbine system  
A hydrokinetic water turbine system includes a frame structure, first and second shafts rotatably supported by the frame structure, and first and second rotors secured to the first and second...
8525360 Apparatus for generating electric power  
A power generator that can be utilized as a small facility of low capacitance. The power generator comprises a float that is placed on a surface of the sea, supporting members mounted on the float,...
8525359 Engine generator  
An engine generator is provided having an improved cooling effect realized by cooling air while ensuring a compact arrangement of components in a housing. The engine generator includes an engine 2,...
8525358 Power module and electronic device using the same  
A power module is configured to provide power to an electronic device. The module includes a rechargeable battery, an electrical generator, and a driving member. The electrical generator includes a...
8525362 Steam turbine plant  
A single shaft steam turbine plant is disclosed with a first and a second low pressure steam turbine located at either end of the shaft. A generator and at least one high-pressure steam turbine are...
8525361 Pneumatic energy harvesting devices, methods and systems  
An energy harvesting device may include a pneumatic system inlet configured to receive a pressurized gas; a pneumatic-to-electrical (PN/E) transducer that converts a flow of the pressurized gas...
8519558 Tool having integrated electricity generator with external stator and power conditioner  
A tool includes a nonmagnetic tool housing, a cylindrical rotor inside the tool housing and rotatable in response to a flow of pressurized fluid through the tool housing and magnets mounted in the...
8519559 Spiral type membrane element, and spiral type membrane filtering device having the same  
Provided are a spiral type membrane element that can re-collect the electric power that is used in a good manner, and a spiral type membrane filtering device having the same. The spiral type...
8519553 Power supply systems  
A power supply system comprises an internal combustion engine (100) and an electric motor-generator arrangement that is coupled to the internal combustion engine. The internal combustion engine...
8519557 System for producing energy through the action of waves  
A system and method for generating energy from tuning the natural frequency of masses relative to a ground plane and an external force. In some embodiments the external force is the action of the...
8519575 Linear electric machine with linear-to-rotary converter  
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...
8519556 Method and apparatus for storing energy  
An energy storage apparatus for storing energy transmitted by a power transmission line includes an elastically deformable component and an actuator-generator. The actuator-generator is coupled to...
8520345 Protection circuit applied to wind power generation system employing double-fed induction generator  
There is provided a protection circuit that protects a power converter connected to a secondary winding of a double-fed induction generator, the protection circuit including a rectifying unit...
8519555 Combination low spool generator and ram air turbine generator  
A power generating apparatus for use with an aircraft gas turbine engine has a low pressure spool assembly which includes an electrical generator. The electrical generator includes a generator...
RE44464 Method and apparatus for determining a characteristic curve for an electric variable of a wind energy plant  
The present invention is related to a method for determining a characteristic curve (9) for an electric variable (Pel, Q, φ, cos φ, IP, IQ) of a wind energy plant (1). According to the present i...
8519554 Device and method for harvesting energy from flow-induced oscillations  
A device and method utilizing a quasi-stationary oscillating process to generate electricity by using an interaction between a turbulent flow and an elastic oscillating structure comprising a...