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US20130015659 Tidal Turbine System  
A tidal flow energy generation system has tidal turbine generators and a controls system for controlling operation of the one or more tidal turbine generators and a flow determination device for...
US20150123401 WATER-BASED POWER GENERATION INSTALLATIONS  
A water-based power generating installation includes a water based power generating device operable to derive power from a body of water, and to export that power via a power export cable, and an...
US20110095530 TETHERED AQUATIC DEVICE WITH WATER POWER TURBINE  
A water power turbine energy conversion device and method of generating electric power that can take advantage of water current speeds is hereinafter disclosed. The water power turbine energy...
US20120175877 ENHANCED METHOD OF CONTROLLING THE OUTPUT OF A HYDROELECTRIC TURBINE GENERATOR  
There is described a method for controlling the output of a tidal hydroelectric turbine generator from a remote location, with the need for control circuitry to be housed local to the generator....
US20110291412 Sea wave turbine speed control  
A valve that controls the speed of a turbine that is moved by an oscillating air column. This turbine's speed is constantly being compared with the constant output of a digital oscillator. The...
US20110278843 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...
US20130033039 BALANCE WAVE ENERGY-ELECTRICITY GENERATION SYSTEM  
An electric generator is described capable of producing electricity by leveraging the periodic roll movement of a floating vessel or ship through the actuation of mobile weights induced by said...
US20140210207 SENSOR ARRANGEMENT FOR A TIDAL GENERATOR  
This invention relates to a generator arrangement, including: a generator located within a flow passage wherein the flow passage has an inlet and an outlet, and the generator includes at least one...
US20150145250 WAVE POWER GENERATOR  
A wave power generator comprises a buoyant casing (500) intended to float in a body of water. An electric machine (103) located within the casing has an armature and a field source, the electric...
US20100059999 Sea Floor Pump Tailrace Hydraulic Generation System  
A small or medium size hydraulic generation plant with a steel shell is placed on the sea floor of the stronger tidal/ocean current site. It is added an air hose to get the fresh air, and an...
US20100308583 Apparatus for receiving and transferring kinetic energy from water waves  
A floatable surface vessel comprises a vessel hull having a circular sector-shaped cross-section and a ballast filling with a controllable position of a centre of mass disposed remote from the...
US20130113211 Submergable sloped absorption barrier wave energy converter  
An ocean wave energy converter uses one or more buoyant elongated float(s) self orienting toward oncoming wave fronts and movably affixed to a motion stabilized controlled buoyancy frame by down...
US20130068629 Aqua-Tamer  
Improvements in an ocean wave energy conversion unit that converts kinetic energy from oceanic waves into useable form of energy that will benefit society called and Aqua-tamer. The unit is...
US20080217919 Renewable energy wave air pump  
In addition to generating power at cost of 0.66 per KWH from a renewable energy source, with minimum pollution and minimum land use, the REWAP system provides four novelties; The First novelty is...
US20150035279 Wave energy conversion system  
The Wave Energy Conversion System is a fresh or salt water wave induced land based system to convert wave action into circular power for compressed air, water pump, hydraulic oil pump and/or by...
US20120248769 Tuned Rolling Wave Energy Extractor  
An apparatus for extracting wave energy may include a watercraft, a pendulum and an energy converter. The watercraft may be configured to roll in response to wave action and may have roll...
US20110042949 TUNED ROLLING WAVE ENERGY EXTRACTOR  
An apparatus for extracting wave energy may include a watercraft, a pendulum and an energy converter. The watercraft may be configured to roll in response to wave action and may have roll...
US20080054640 Air pump in float  
An air compression system for use on the ocean surface comprising an air compressor within a moveable float. The float also contains a drive rack engaged with a drive gear wherein the float moves...
US20140035283 TIDAL CURRENT POWER GENERATOR  
The present invention relates to a tidal current power generator. In the tidal current power generator, tidal current flows in a concentrated manner into a power generation module for generating...
US20110254270 Wave gear drive -WGD  
The Wave Gear Drive, WGD system is a new method for directly converting sea wave energy to mechanical drive using wave undulations and a buoyant float directly acting on a spiral spring or rack...
US20120119494 METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES  
A method and device for generating electric power from ocean waves is described. The device includes at least one magnetostrictive element and at least one buoy. When the buoy is deployed in a...
US20090066085 Energy Transformation Device  
This invention is a device for transforming the energy of water waves into useable energy. The device comprises two or more floats, structural members connecting the floats, a means for...
US20090243293 CONVERSION OF OCEAN WAVE ENERGY INTO ELECTRICAL POWER  
Devices and methods for capturing electrical energy from ocean and other waves at improved cost and efficiency are presented. The major innovations include capturing energy in two vectors...
US20120286508 OFFSHORE SYSTEM FOR PRODUCING REGENERATIVE ENERGY  
An offshore system for producing regenerative energy, including a system of electrical water power energy converters, a system of wind energy plants, a system of hydrodynamically acting auxiliary...
US20090212562 METHOD AND APPARATUS FOR TIDAL POWER GENERATION  
A tidal power generation system incorporates a buoy tethered to a first cable with a power generation spool engaging the first cable for rotational motion upon extraction of the cable by the buoy...
US20080122224 Apparatus For Utilising the Energy Present In Flowing Water  
The hydroelectric power system according to the invention comprises at. least one wave generator, a wave booster and a wave energy, transformer. The at least .one wave generator comprises a water...
US20140097617 Multi-Capture Mode Wave Energy Converter With Submergible Float  
An ocean wave energy converter (WEC) uses one or more buoyant elongated float(s) mechanically linked to a motion-stabilized, controlled-submergence depth frame by either swing or lever arms or...
US20140042744 ACCURATE BOUYANCY CONTROL IN POOLS,LAKES AND OCEAN AND MAINTAIN FREQUENCY GENERATING ELECTRICAL POWER  
Buoyancy force can provide a large lifting force with little energy, but it requires a control system. In the present invention position control system is designed and implemented to keep the body...
US20130341921 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 three. In some embodiments the external three is the action of the...
US20140252766 SHAPE CHANGING WAVE ENERGY CONVERTER  
A wave energy converter is described that can change shape to mechanically tune itself to change the amount of water that the converter pushes up and down. In effect, the wave energy converter...
US20110187101 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...
US20120139261 WAVE ENERGY CONVERSION SYSTEM  
A wave energy conversion system is described. The system comprises a wave energy absorber for absorbing wave energy. At least one switched reluctance machine is driven by the wave energy absorber...
US20130147193 METHOD FOR OPERATING A MACHINE LOCATED IN CHOPPY WATERS  
A method for operating a machine located in choppy waters, in particular a wave energy converter, for converting energy from a wave movement of a fluid into another form of energy includes...
US20100314871 Environmental electrical generator  
An electricity generator having variable capacitors that each includes a repeatedly stretched and relaxed sheet (20, FIG. 3) of SM (stretchable material) and electrodes (22, 24) lying against...
US20140284925 Tidal Stream Generator  
A generating apparatus for generating electrical power from a horizontal water flow comprises a fixed hub on a support structure and a power wheel arranged for rotation about a vertical axis about...
US20120091709 HYDRAULIC WAVE ENERGY CONVERTER WITH VARIABLE DAMPING  
A wave energy converter has a shell, a pendulum pivotally positioned in the shell, a pump linked to the pendulum and operable by a movement of the pendulum so as to pump a hydraulic fluid...
US20110089689 Dynamically Tuned Wave Energy Converter  
A wave energy converter comprises a pitching floating vessel and means for converting the pitching motion to electrical power. By varying the distribution of the ballast mass in the vessel and by...
US20080246280 Generating system by using the sea power  
A generating system includes an outer wall unit having an outlet conduit, an inner wall unit spaced from the outer wall unit, a receiving channel located between the outer wall unit and the inner...
US20110187102 Energy System  
An ocean wave energy system is for generating power from ocean waves. The system comprises wall components defining one or more channels for guiding propagation of ocean waves therealong. Each...
US20080093852 Wave Energy Device  
A wave energy device converts the motion of waves on a body of water into a usable form of energy, for example a flow of pressurized water or an electrical current. The device includes a buoyant...
US20070108768 GENERATION OF ENERGY FROM SUBSURFACE WATER CURRENTS  
Provided are, among other things, systems, methods and techniques for generating energy. According to one representative embodiment, a main housing includes an air chamber having an open bottom,...
US20110254271 Tidal Turbine System  
A tidal flow turbine system has a rotor and turbine blades attached at a fixed attitude with respect to the rotor and extending outwardly from the rotor. The stagger angle of the blades, tip speed...
US20100320759 Method and apparatus for ocean energy conversion, storage and transportation to shore-based distribution centers  
A fleet of vessels attached together longitudinally (rows), and transversely (columns) and operating in unison convert wave energy to electrical energy which is stored in either a chemical or...
US20100230965 System and method for generating electricity using grid of wind and water energy capture devices  
A system for maintaining buoyant, energy-capture devices in general relative position in water in the presence of surface waves allows heeling of the energy capture devices while preventing...
US20100045035 Nautical Torque Technology  
Nautical torque tidal movement technology provides systems, apparatus and methods for producing nautical torque tidal movement electrical power generation from tidal movement. A system provides...
US20100066084 A METHOD AND A WAVE-POWER AGGREGATE TO EXTRACT ENERGY FROM WAVE MOTION IN A FLUID...  
The present invention relates to a wave-power aggregate and a method of extracting energy from wave motion in a liquid by means of a wave-power aggregate. The wave-power aggregate comprises a...
US20140084586 METHOD OF CONTROLLING A DEVICE FOR CONVERTING WAVE ENERGY TO ELECTRICAL ENERGY  
The invention is a method of converting wave energy into electrical energy using a device comprising a moving device cooperating with an electric motor which oscillates with respect to the motor...
US20130229011 WAVE POWER GENERATION DEVICE AND METHOD OF CONTROLLING THE SAME  
Provided is a wave power generation device improved in power generation efficiency and a method of controlling the same, the wave power generation device generating electric power by extracting...
US20080106101 Underwater wave/energy transducer  
A method for generating electrical current indirectly from ocean wave action based on the reciprocating surge of the ocean that directly results from the overhead wave action. The method includes...
US20120313373 CONTROLLER FOR PENDULUM TYPE WAVE-POWER GENERATING APPARATUS  
The present invention provides a controller for a pendulum type wave-power generating apparatus. Electric power produced by wave-power generation has been pointed out as being of low efficiency...

Matches 1 - 50 out of 85 1 2 >