227results about "Wind energy with kinetic energy" patented technology

The invention relates to an island network with at least one energy generator, using regenerative energy sources, whereby the energy generator is preferably a wind energy plant with a first synchronous generator, a DC link, at least one first power rectifier and a power inverter, a second synchronous generator and an internal combustion engine which may be coupled with the second synchronous generator. A fully controllable wind energy unit (10) and an electromagnetic coupling (34) between the second synchronous generator (32) and the internal combustion engine (30) are provided in order to establish an island network in which the internal combustion engine can be switched off completely, so long as the wind energy unit is generating enough power for all connected users with an efficiency which is as high as possible.

The present invention includes a system and method for generating, controlling and storing dispatchable renewable energy. The system may include one or more wind power generation facilities and one or more solar power generation facilities to generate power that can be stored by one or more storage facilities. The power can be supplied to a power grid at a level determined by actual or predicted weather conditions, based on variable power demands. The power generated by the renewable energy sources may be combined with power generated by conventional power generation facilities to provide power in a dispatchable manner.

A wind turbine operable as either a vertical axis wind turbine or a horizontal axis wind turbine is disclosed.

A vehicle-mounted generator is powered by relative wind produced by the combination of ambient wind and motion of the vehicle, or by movement of water when mounted on the hull of a water-borne vehicle. A rigid cylindrical housing forms an enclosed interior chamber. Wind asymmetrically enters the chamber through an inlet located on one side of a central longitudinal drive shaft, and exits through an outlet located at the top of the housing. A spiraling parabolic deck forms a floor of the interior chamber, and spirals around the central longitudinal shaft from the bottom of the housing to the outlet at the top. A turbine mounted on the drive shaft within the outlet converts energy of the exiting wind to mechanical energy. An electrical generator converts the mechanical energy into electrical energy for recharging a battery or powering an electric motor.

A fluid-powered energy conversion device for converting energy in a moving fluid such as air into mechanical energy. A rigid cylindrical frame includes an upstream annular chamber and a downstream annular chamber, each of the chambers having sides that are open to allow entry of the wind. A plurality of longitudinal baffles form a toroidal pattern that creates an upstream drive vortex in the upstream chamber, and a downstream extraction vortex rotating in the opposite direction in the downstream chamber. The drive vortex rises and changes direction as it passes through a turbine mounted on a longitudinal drive shaft in a central aperture between the chambers. The turbine is rotated by the rotational momentum of the drive vortex, by lift that is generated by each turbine blade, and by additional momentum that is created by the vortex reversal.

A fluid-powered energy conversion device converts energy in a moving fluid into mechanical energy. A rigid cylindrical frame of toroidal baffles forms an upstream annular chamber and a downstream annular chamber, each of the chambers having open sides to allow entry of the fluid. The toroidal baffles create an upstream drive vortex in an upstream central vortex chamber, and a downstream extraction vortex rotating in the opposite direction in a downstream central vortex chamber. A plurality of hinged louvers surround the vortex chambers and allow the fluid to enter each chamber only in the direction of vortex rotation, and prevent the fluid from exiting through the sides of the device. The drive vortex passes through and rotates a turbine in a central aperture between the chambers. The turbine is rotated by rotational momentum of the drive vortex, lift from each turbine blade, and additional momentum imparted by the vortex reversal.

A variable speed wind turbine is provided. The wind turbine comprises a generator, a power converter for converting at least a portion of electrical power generated by the generator, an energy management arrangement coupled to the power converter, the energy management arrangement comprises an energy storage unit, and a controller. The controller is adapted to detect a power imbalance event and to transfer at least a portion of excess electrical energy generated by the generator to the energy storage unit to be stored therein when the power imbalance event is detected.

The invention relates to a self-power generation type street lamp utilizing potential energy for power generation, the street lamp comprises a gravitational potential energy power generation device or an elastic potential energy power generation device for power generation at night, a natural energy power supply device, a street lamp component and a control circuit, wherein the gravitational potential energy power generation device or the elastic potential energy power generation device is arranged in a hollow street lamp upright post and realizes power generation at night through gravitational potential energy or elastic potential energy; the natural energy power supply device is connected with the gravitational potential energy power generation device or the elastic potential energy power generation device and provides power for rising a heavy object of the gravitational potential energy power generation device; the street lamp component is connected with the control circuit and emits light at night by utilizing electrical energy produced by the potential energy power generation device; and the control circuit is arranged on the street lamp component, and the gravitational potential energy power generation device is started to carry out power generation through light control or timing control. The self-power generation type street lamp leads the heavy object and an elastic object to produce the potential energy for carrying out power generation through wind energy or solar energy, thereby effectively utilizing resources, saving power resources of a public power grid and being conductive to protecting the environment.

The present invention is a new and novel wind generator system particularly suitable for small wind applications that harnesses low velocity wind effectively. In a preferred embodiment of the invention, the wind generator system comprises a drive shaft; a plurality of blades attached to the drive shaft and extending radially outwardly therefrom; a generator assembly coupled to the drive shaft and effective for generating electrical power; and a housing having an inner chamber for receiving the plurality of blades and a wind directional apparatus that operates to adjust the speed of the wind and to channel wind along a desired flow pathway towards the plurality of blades.

The United States of America consumes nearly 20 million barrels of oil a day, 6.6 billion per year. This depleting chemical composition, in part, ends up in our air, on our trees, on our clothing, in our lungs, in our blood streams. A large portion of this oil is imported causing a dependency on foreign countries and a significant economic burden to this country. Clean, renewable, domestic energy is a necessity, not a luxury. The Z-333 Energy Management System is an answer to this challenge. There have been many Vertical Axis Wind Turbine patents issued since Mr. Elhanan L. Stoners' patent in 1891. However it appears that none has yet manifested itself into a large scale economic reality. The Z-333 Energy Management System is the latest of a series of improved Vertical Axis Wind Turbine designs which will make that reality come to pass. The Z-333 Energy Management System includes several novel changes to previously patented designs, plus incorporates totally new accessories to make man's continuing conquest of wind an actuality. These innovations include; Aerodynamic “balanced” wings. Tightly stretched fabric-only wings strengthening the overall structure, and at the same time, drastically lower the cost of construction. Flexible photovoltaic cells cover the aforementioned fabric-only-wings. A rotating tower that is flexible and safer. A unique high winds shut off switch. A multi-generator braking system maintains the shaft at a constant RPM. Generators and gears mounted to removable panels. Rubber-like covered shaft and large ring transmission. A low cost switch that controls the angle of attack of the wing with less problems and cost. A tower made of prefabricated interchangeable modules that can be used as a home, water tank, storage room, shop, and / or a shed. A base which is also a large battery and / or a control box shell. A programmable intelligent control box, which notifies the owner by cell phone, of battery fast charge / discharge, vandalism, key energy indicators, integrates a multi-circuit station timer, plus provides an electric-fence-like shock protection from animals and vandals. Low cost, multi-pancake generator that is highly efficient. A shaft centered flywheel. A shaft centered centrifugal pump. A sea base with ballast for low cost erection. A sea base with desalinization equipment built inside. A sea base with integrated hydrogen and oxygen producing equipment.

A wind-actuated electric power alternator is disclosed. The wind-actuated electric power alternator includes an impeller enclosure having a generally triangular cross-sectional configuration. An impeller is rotatably mounted in the impeller enclosure. An alternator is coupled to the impeller for generating electricity responsive to wind-blown rotation of the impeller in the impeller enclosure.

A wind power generator has a windmill for rotating the generator. The windmill includes a main vertical shaft, a rotor, and a wind-receiving blade. The rotor, fixed horizontally at the upper end of the main vertical shaft, comprises a flywheel, and a plurality of wind-receiving blades is spaced equally on the circumference of the rotor. The rotor gives kinetic energy by rotation inertia to the windmill. The wind-receiving blade is excellent in bending properties, and even when it receives breeze, the main vertical shaft is rotated with the principle of leverage.

A wind turbine operable as either a vertical axis wind turbine or a horizontal axis wind turbine is disclosed.

In accordance with the present invention, a portable wave-swash & coastal-wind energy harvester, placed on a sea coast in swash zone captures energy contained in coastal waves and in coastal-wind through the utilization of wave turbines, wind turbines, and wave floats. Wave-float levers carrying wave floats and wave turbines, swing and maintain lower halves of wave turbines below water always. A gear system with one-way clutches transmits torque to an alternator to generate electricity. Flywheels maintain steady rotation of alternator shaft. A buoyancy chamber at the bottom produces reduction of weight of the unit when buoyancy chamber is emptied of water, and thereby enhances maneuverability of unit in water. Stabilization tanks at the top when filled with water provide extra weight and stability of the unit in its operating location. Units linked together in an energy farm combine their energy while forming a seawall-like barrier offering protection against coastal erosion.

A wind power generator according to the present invention has a windmill 1 for rotating the generator, and the windmill 1 comprises a main vertical shaft 2, a rotor 3 and a wind-receiving blade 4. The rotor 3 fixed horizontally at the upper end of the main vertical shaft 2 comprises a flywheel, and a plurality of wind-receiving blades are spaced equally on the circumference of the rotor 3. The rotor 3 gives kinetic energy by rotation inertia to the windmill 1. The wind-receiving blade 3 is excellent in bending property, and even when it receives breeze, the main vertical shaft 2 is rotated with the principle of leverage.

The present invention includes a system and method for generating, controlling and storing dispatchable renewable energy. The system may include one or more wind power generation facilities and one or more solar power generation facilities to generate power that can be stored by one or more storage facilities. The power can be supplied to a power grid at a level determined by actual or predicted weather conditions, based on variable power demands. The power generated by the renewable energy sources may be combined with power generated by conventional power generation facilities to provide power in a dispatchable manner.

A system for operating a wind turbine during a curtailment operation is described. The wind turbine includes a generator and a wind turbine rotor having at least one rotor blade. The wind turbine also includes a drive train that includes at least one shaft coupled to the wind turbine rotor and configured to drive the generator. The system includes a control system configured to increase a speed of rotation of the rotor beyond an optimum rated speed during the curtailment operation of the wind turbine, and an extraction device configured to extract inertial energy stored in the drive train upon release of the curtailment operation.

The universal power generator utilizing the energy of wind, water stream, or a sea waves for manufacturing clean water from humid air is shown in FIG. 1 by the side 1 and front 11 views.The above generator contains the following units: swing system which are comprised of the pendulum system (54,56) sail blade systems (2,4,66,68). The sail system is formed of a plurality of blades (a, b, c, d) installed on two frames (4,66), which swing on two horizontal axles (6,8) which are disposed according to the wind direction or the flow of water movement by weather cock system. The tips of the lower blades can be used as paddles.If the upper blades (a) of the frame (4) and the lower blades (b) of the frame (66) receive any stream of energy then the other blades (c) of the frame (66) and lower blades (d) of the frame (4) move in manner like a weather cock at the same time. At the end of each swing, the blades change their action.The design of sails blades allows for a simple regular means of cooling humid air in the special air chambers. The above generator produces electro energy for a cooling from natural, clean and renewable sources of energy, therefore water is extracted from humid air at a very low cost. A set of membranes separates a tiny bit of water from humid air in the special water headers.

A new and novel wind generator system particularly suitable for small wind applications that harnesses low velocity wind effectively. In a preferred embodiment, the wind generator system has a drive shaft; a plurality of blades attached to the drive shaft and extending radially outwardly therefrom; a generator assembly coupled to the drive shaft and effective for generating electrical power; and a housing having an inner chamber for receiving the plurality of blades and a wind directional apparatus that operates to adjust the speed of the wind and to channel wind along a desired flow pathway towards the plurality of blades.

The arrangement has at least one first energy generator using a regenerative energy source, preferably a wind power system (10) with a generator, and a second generator (32) for coupling to an internal combustion engine (30). The revolution rate and blade setting of the wind power generator can be controlled and there is an electromagnetic coupling (34) between the second generator and internal combustion engine. Independent claims are also included for the following: a method of operational control of an electrical island network with at least one wind power system and the use of a synchronous generator as a network mimic for a mains inverter.

The invention discloses a renewable energy generation and fresh water production integrated system for an isolated island. The renewable energy generation and fresh water production integrated system comprises solar cell panels, a wind driven generator, a seawater electrolytic tank, an oxygen storage tank, a hydrogen storage tank, an alkali filtering tank, a hydrogen combustion chamber, a seawater heating furnace, a turbine, a main shaft, a generator, a user, a heat exchanger, a pipeline, a small heat exchange pipe, pumps, a coastline, a condenser pipe and a water storage tank; electricity generation is carried out by utilizing randomly fluctuated solar energy and wind energy; hydrogen is generated by electrolyzing seawater, so that energy storage is realized; combustion is carried out by utilizing hydrogen; seawater is heated to generate superheated steam, so that the turbine is driven to rotate; then, the generator is driven to output the steady power; tail gas after hydrogen combustion and water vapour discharged by the turbine are introduced into seawater for condensation through the condenser pipe, so that fresh water is generated; seawater desalination is realized; energy is effectively utilized in a diversified manner; the problem that power and fresh water are stably supplied when the isolated island is offline can be solved; the heat exchanger heats seawater by utilizing waste water vapour; therefore, utilization of waste heat is realized; and the energy utilization efficiency is increased.

An oscillating windmill having the ability to generate clean electrical power by mechanically capturing the power of the wind. The oscillating windmill utilizes a rigid mast having a plurality of rotatable vanes. The lower section of the mast is fixed about an axis allowing the mast to oscillate in response to wind resistance upon the vanes. An actuating mechanism is in communication with the mast and the vanes to rotate the vanes about an axis in response to the oscillations of the mast. These oscillations of the mast are converted into usable energy using a power generating mechanism engagable with the mast.

A main body portion has a front, a rear, a top, a bottom and laterally spaced sides and an air intake. A housing in the vehicle contains a turbine / flywheel adapted to be rotated in response to air entering the housing from the air intake. A starter generator in the housing is adapted to be rotated by the rotation of the turbine / flywheel. A main drive generator in the housing is adapted to be rotated by the rotation of the turbine / flywheel. An electric drive motor in the vehicle is powered from the main drive generator.

The first goal in this design is to combine Wind and Solar energy creating a new system that will increase the efficiency of the power collection system and which will therefore operate at a higher power density than conventional horizontal axis wind turbines (HAWT). The second goal is to store the generated energy where it is generated efficiently. The design is designated as a Vertical Axis Solar Turbine (VAST) which maybe suitable for grid power application. The unique method of construction of the VAST would be more visually appealing to the communities that will use it. Further there would be less risk of killing flying animals and insects and the noise level would also be less as there are no spinning blades. The VAST encompasses prior work done in three different fields; wind power, solar PV and energy storage

An airflow power station preferably comprises a windmill engine rotatable by wind including a main shaft and a rotational speed sensor, a compressed-air tank, a compressor charging the tank, an electric generator, a flywheel conveying rotation to the compressor and to the generator, and two pneumo-cylinders with pistons and sensors sensing their initial and ending positions. Each piston is coupled with a rod hingedly associated with a clutch controllably engaging and disengaging the piston with the flywheel. Each pneumo-cylinder is divided into an inner and an outer chamber, pneumatically communicating with the tank via an intake valve controllably supplying compressed air and a pneumo-regulator controllably switching the airflow ‘on’ and ‘off’ depending on the rotational speed of main shaft. Each pneumo-cylinder includes a reverse spring disposed in the inner chamber thereof, compressed during a work stroke of the piston and released upon return of the piston into its initial position.

A fluid-powered energy conversion device for converting energy in a moving fluid such as air into mechanical energy. A rigid cylindrical frame includes an upstream annular chamber and a downstream annular chamber, each of the chambers having sides that are open to allow entry of the wind. A plurality of longitudinal baffles form a toroidal pattern that creates an upstream drive vortex in the upstream chamber, and a downstream extraction vortex rotating in the opposite direction in the downstream chamber. The drive vortex rises and changes direction as it passes through a turbine mounted on a longitudinal drive shaft in a central aperture between the chambers. The turbine is rotated by the rotational momentum of the drive vortex, by lift that is generated by each turbine blade, and by additional momentum that is created by the vortex reversal.

A wing type windmill is provided with a rudder able to constantly facing to the wind direction controlled by turn table having a twin vaned tail wing and a concave upwardly curved lead rail. The vertically shafted windmill has several sail type wing blades each of them can develop or shrink its surface to face or offset the wind direction following the up and down motion of the end roller of the connecting rod along the lead rail. The produced rotating torque by individual wing blade is imparted to a centrifugal fly wheel hub from time to time and this non-uniform torque and unstable rotating speed of the windmill is unified and governed stably by the fly wheel effect of a plurality of fly wheels filled with a weighty substance.

A tower type vertical axle windmill includes a tower portion. The tower portion has a plurality of layers and a plurality of wind turbines and a computer is used to open and close the walls of the tower portion. Each of the wind turbines includes a seat portion, an energy output assembly and a rudder assembly. The seat portion can carry other components. A circular platform is disposed on the base portion of the energy output assembly and is supported by bearings to enable it to turn around. A flywheel is disposed on the outmost portion of the blade module and can store the energy extracted from the wind and enhance the balance of the windmill. In addition, an output axle is connected with the circular platform and a generator.

A magneto-turbine power generating system allows for the clean, efficient generation of excess electrical power on a small or large scale. The magneto-turbine power generating system is a self-contained system that generates power greatly in excess of the system's needs, thereby allowing the system to act as an energy source for other products requiring electrical energy. A flywheel combining magnetic and turbine power generating capabilities allows for a clean source of reusable energy. The use of a magneto flywheel provides an electrical generating system capable of starting without need of an extrinsic electrical source. Once the magneto flywheel generates a low-level of electrical power, the turbine system is powered to increase the power generation capabilities of the system.

A device and a method for emergency electricity supply on board an aircraft, able to supply a part of the aircraft's electrical power circuit. The device includes a synchronous machine with separate excitation, associated with a flywheel, and an auxiliary device to set the flywheel in rotation and to maintain rotation of the flywheel.