Sign up


Match Document Document Title
8723343 Sensor with energy-harvesting device  
In some embodiments of the present disclosure, a sensor comprises a substrate, a sensor element and an energy-harvesting device. The sensor element comprises a plate, and the plate is moveable with...
8723350 Ocean wave energy converter and method of power generation  
A device comprising a float (5) and a pivoting assembly of a rigid beam (10) and an elastic beam (30), firmly connected to each other, pivoting about a stationary point (15). The device transforms...
8723465 Blade pitch controlling drive for a wind turbine  
The invention relates to a blade pitch controlling drive for a wind turbine, comprising an electrical converter, an electric motor that is electrically coupled to the converter, a monitoring unit...
8720198 System and method for electrically-coupled thermal cycle  
In one embodiment according to the invention, there is provided a method for generating electrical energy using a thermal cycle of a working gas. The method comprises using the motion of a piston...
8725304 Plant controller  
A plant controller includes a feedback controller configured to calculate a control input provided to a plant so that a control output of the plant matches a target value. The feedback controller...
8723351 Multi-mode wave energy converter devices and systems  
A wave energy converter (WEC) system includes WEC devices which can function to produce useful energy (power) efficiently in response to heave motion and/or pitch motion and/or roll motion. Pitch...
8720153 Tapered spiral welded structure  
A method for creating a tapered spiral welded conical structure where the overall shape of the cone is first graphically slit axially and unwrapped, and then a series of construction arcs and lines...
8723348 Battery assembly with kinetic energy-based recharging  
A mobile electronic device configured to recharge when oscillated. The electronic device includes a housing with a battery compartment and a battery assembly positioned within the battery...
8723349 Apparatus for generating power from a turbine engine  
An apparatus for powering an aircraft by generating power from a pressure spool of a turbine engine. AC power can be extracted from the turbine engine by a generator having an integrated...
8723345 Portable generator and generating method  
A portable generator comprises a fluid pressure generator, a fluid pressure cylinder, a gas power generator, a gas generator, and a charger. The fluid pressure generator is for generating a fluid...
8723342 Wearable generator device  
A wearable generator system in one embodiment includes a plurality of coils, each of the plurality of coils extending within a respective one of a plurality of planes, a magnet for generating a...
8723353 Wave energy converter design incorporating an induction generator  
Wave energy converters incorporating the components of an induction generator that are integrated with the components of a pneumatic spring are provided. The wave energy converters have a buoy...
8716879 Energy recovery apparatus for a refrigeration system  
An energy recovery apparatus for use in a refrigeration system, comprises an intake port, a nozzle, a turbine and a discharge port. The intake port is adapted to be in fluid communication with a...
8716966 Rotary electric machine for vehicles  
In a vehicular rotary electric machine, a switching section includes a bridge circuit having plurality of upper arms and plurality of lower arms. The arms include switching elements. A diode is...
8716881 Three phase inverter type generator  
A three phase inverter-type generator includes an engine, an AC generator driven by the engine, a rectifier for converting the output of the AC generator into a DC voltage, a three phase inverter...
8716878 Downwind type wind turbine having transformer therein and operating method thereof  
A downwind type wind turbine having a transformer stored in a support post or in a nacelle includes the nacelle which supports a rotor and stores therein a generator, a support post which supports...
8715496 Water alteration structure and system having below surface valves or wave reflectors  
A system for altering water properties in an outdoor body of water includes a holding vessel configured to hold water. The holding vessel has at least one wall extending above a mean surface water...
8714117 Free piston linear alternator utilizing opposed pistons with spring return  
A free piston linear alternator includes a cylinder having a pair of outer chambers, a pair of opposed pistons and a combustion chamber disposed between the opposed pistons. Each outer chamber is...
8718831 Methods and apparatus for sensing parameters of rotating blades  
A method for monitoring operating parameters of a rotating blade is provided. The blade includes at least one sensor thereon, the sensor operatively coupled to a data acquisition device. The method...
8718832 Wind farm control system, wind farm, and wind farm control method  
To prevent disconnection of wind turbine generators due to changes in wind conditions even if the wind turbine generators is operated to limit the power output. A plurality of wind turbine...
8716877 Method and apparatus for harvesting energy from ankle motion  
A method for harvesting energy from ankle motion includes coupling a generator module across an ankle joint, the generator module including a generator and an elastic member. The generator is...
8715094 Hollow transmission shaft  
The present disclosure provides a hollow drive shaft which may include a hollow steel pipe, a mandrel set at the center of the hollow steel pipe in an axially direction, and a spiral rib plate set...
8716880 Method and system for fluid wave energy conversion  
A system for converting kinetic wave energy from a dynamic fluid into electrical power, the system including a structural housing containing a piezokinetic assembly having a plurality of...
8710689 Wind energy system having a connection protection device  
A wind energy installation includes a rotor, a generator driven by the rotor, and a converter for generating electrical power which is output into a power supply system via a transformer. The...
8710685 Methods and systems for improved engine speed control during engine starting  
A system for improving engine starting is disclosed. In one example, an engine starting is improved by providing a variable load to the engine during engine starting. The variable load may be...
8710691 Wind driven generator for vehicles  
A wind-driven electricity generating system for a vehicle being at least partially electrically-powered by a battery. The wind-driven system includes an air intake unit having a plurality of inner...
8712666 Multiple-frequency inversion method and control apparatus for internal combustion engine driven generator  
A multiple-frequency inversion method and a control apparatus for an internal combustion engine driven generator includes an inverter unit that employs a multiple-frequency inversion technology,...
8710684 Apparatus for generating electrical energy from rocking activated energy  
An apparatus includes an unbalanced mass unit configured to be rockable between front and rear unbalanced positions by virtue of the moment of inertia, a coupling shaft which rotatably extends...
8710687 Wind turbine  
In the case of a wind power installation with at least one wind turbine and one current generator device, the current generator device has at least two generators. The generators are coupled to one...
8710694 RPM Controlled Wind Power Generation System  
The inventive technology described herein generally relates to the field of wind power generation. More specifically, methods and apparatus for an RPM controlled power generation system utilizing...
8712593 Method for controlling operation of a wind turbine  
A method for controlling operation of a wind turbine and a method for controlling operation of a plurality of wind turbines positioned in a wind farm are disclosed. According to the method, a pitch...
8710692 Wind farm, wind power plant in a wind farm and operating control for this purpose  
Wind farm and method of controlling operation of a wind farm. The wind farm including a plurality of wind power plants, each equipped in a same manner with a pivoted rotor structure and a control...
8710686 Machine tool with an electrical generator for passive power generation  
A machine tool with a generator for generating electrical power is disclosed. The generator has a rotor and a stator. A coil and a magnet are arranged on the stator. The rotor is capable of moving...
8710350 Combination photovoltaic and wind power generation installation  
A combination photovoltaic and wind power generation installation comprising at least one wind turbine and a plurality of photovoltaic arrays, wherein the photovoltaic arrays may be disposed around...
8710693 Power generating apparatus of renewable energy type and method of attaching and detaching blade  
It is intended to provide a power generating apparatus of renewable energy type in which a braking mechanism is attached to a rotor arranged upstream of a hydraulic transmission while saving space,...
8710688 Platform for generating electricity from flowing fluid using generally prolate turbine  
A platform-like device for generating electricity from moving fluids has two has at least two fluid turbines coupled to one another through a frame. The fluid turbines are adapted to rotate in...
8710690 Vertical axis wind turbines  
The present invention relates to a vertical axis wind turbine having a vertical support tower. At least one aerofoil or blade is mounted for rotation about the support tower. An electrical machine,...
8704389 Power generation control device and power generation control method for vehicle  
A device that controls a power generator driven by power from an engine includes: a brake operation amount detection unit that detects a brake operation amount; and a power generation amount...
8706366 Apparatus and method for controlling engine of vehicle using height information  
Disclosed is an apparatus for controlling engine using height information capable of preventing an engine from stopping according to a position of a vehicle. An apparatus for controlling an engine...
8704386 Thermoelectric generator  
A thermoelectric generator including a membrane maintained by lateral ends and capable of taking a first shape when its temperature reaches a first threshold and a second shape when its temperature...
8701403 System for producing energy through the action of waves  
A system and method for generating energy from the tuning masses relative to a ground plane and an external force. In some embodiments the external force is the action of the waves. The system has...
8704396 Wave power unit with guiding device  
The invention relates to a wave power unit having a submerged station anchored on the sea bottom, a floating body floating on the sea surface and flexible connection means (3) connecting these. The...
8704394 Vertical axis wind turbines  
A vertical axis wind turbine is provided. The turbine includes a plurality of support arms. The turbine includes a housing coupled to the arms such that the housing is between the arms. The turbine...
8704393 System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions  
A method and system for controlling a wind turbine generator at wind speeds in excess of rated wind speed to detect wind speeds and, at rated wind speed, control generator torque and generator...
8701404 System and method for electrically-coupled thermal cycle  
In one embodiment according to the invention, there is provided a method for generating electrical energy using a thermal cycle of a working gas. The method comprises using the motion of a piston...
8704391 Method of parking double-bladed rotor of wind power plant  
A method for moving a double-bladed rotor of a wind power plant into a parking position characterized by the orientation of the rotor blades in a horizontal plane and braking the rotor.
8704390 Dynamic adjustment of power plant output based on electrical grid characteristics  
Method, power plant, and computer program product for use in controlling power output by a power plant. The power plant includes a wind farm with a plurality of wind turbines, a grid power...
8704395 Wave activated power generator  
The present invention relates to an improved wave activated power generator. The power generator includes a pile, a chain secured at opposite ends thereof to the pile and a floating body,...
8704392 Method and system for controlling an electric device of a wind turbine  
A method for controlling an electric device of a wind turbine is disclosed. The method includes: receiving a state signal of a utility grid electrically connected to the electric device; and...
8704387 Electrical energy generator  
An electrical energy generator comprising a housing having a longitudinal axis and opposite ends, an electromagnetically active mass positioned within the housing reciprocally movable along at...