Entries |
Document | Title | Date |
20080197635 | Ocean Wave Air Piston - An ocean wave driven energy device that uses the power of ocean waves to continually lift and lower a float which in turn lifts or lowers one side of a lever arm about a stationary pivot point thereby driving down or raising a piston, which is attached to the opposite side of the lever arm, thru a cylinder which in turn causes large volumes of air to move. That air is funneled to drive turbines which produce electric power. | 08-21-2008 |
20080203733 | Tidal Generator - A device for harnessing tidal energy, comprising: a vertically elongate chamber at least partially located in a tidal body of liquid; a separating member movable within the chamber either vertically or along, and configured to seal from each other an upper interior region of the chamber above the member and a lower region of the chamber below the member, the chamber having a first opening whereby the lower interior region may communicate with the body of liquid and a second opening whereby the upper interior region may communicate with the air, the same or another body of liquid; energy harnessing means for harnessing (potential) energy from the change in pressure due to change in height caused by change in tide level. Energy recuperation from flow of fluid through the first or second or multiple openings; and restraining means for releasably restraining the motion of the separating member in the chamber. | 08-28-2008 |
20080211231 | Ocean Wave Energy Converter (Owec) - A device consisting of a container which is partially submerged in the sea which may be buoyant and connected to the seabed with cables or mounted on a platform and whose interior is connected to its exterior via pipes where in response to the passing of waves is filled and emptied through these pipes. The force of the water flowing through the pipes causes turbines to rotate thus generating electricity which may be transmitted to land. These turbines may be turbines which rotate in different directions depending on the direction of water flow or turbines which maintain the same direction of rotation irrespective of the direction of water flow. | 09-04-2008 |
20080217921 | WAVE ENERGY HARNESSING DEVICE - A system for converting fluid surface wave energy into electrical energy. The system includes an electrical generating device, positioned in a waterproof housing, for producing electrical energy. A float, deployed on the fluid surface, is attached to the generating device when the housing is submerged within the fluid. Vertical motion of the surface waves produce vertical motion of the float, which turns and powers the electrical generating device. A plurality of anchors, positioned on the fluid floor, are attached to the housing so that the housing may be positioned proximate the fluid surface for creating a shoaling effect when a plurality of systems are deployed on the fluid surface. | 09-11-2008 |
20080231054 | Wave Energy Plant for Electricity Generation - The invention herein proposed describes a plant operated by the movement of floaters (A) connected to horizontal arms (B). These arms (B) move hydraulic pumps (C), which inject water into the hyperbaric chamber (E). This chamber (E) supplies water through an outflow control valve, to set in motion a conventional turbine (G) that connected to electric generator supplies electricity. | 09-25-2008 |
20080231055 | PORTABLE SEA-POWERED ELECTROLYSIS GENERATOR - This portable sea-powered electrolysis generator is an apparatus that continually and conveniently harnesses the energy emanating from sea-wave motion in order to propagate hydrogen to be stored for use as a clean, practical and reusable energy source through the process of electrolysis. The motion of waves is used to power a generator that supplies power to water to, through electrolysis, produce hydrogen. | 09-25-2008 |
20080238102 | Configurations and Methods for Wave Energy Extraction - A wave energy harvester ( | 10-02-2008 |
20080238103 | RIGID STRUCTURAL ARRAY - The present invention is directed to a device for maintaining a plurality of ocean wave energy converters at a predetermined proximity. The device includes at least one deck having a plurality of openings, each adapted to receive a portion of an ocean wave energy converter. | 10-02-2008 |
20080258465 | Water Current Powered Generating Apparatus - The present invention relates to a power generating apparatus suitable for use in extracting energy from the movement of water, particularly tidal movement. The apparatus comprises an elongate, generally circular in cross section, buoyancy vessel ( | 10-23-2008 |
20080265581 | Buoyancy pump power system - A system for generating electricity includes a pump operable to convert wave motion from a body of water into mechanical energy. The pump includes an input port through which an operating fluid can enter the pump and an output port through which the operating fluid can exit the pump. A first outlet line and a second outlet line are fluidly coupled to the output port of the pump. A first reservoir is fluidly connected to the first outlet line, and a second reservoir is fluidly connected to the second outlet line, both reservoirs being selectively capable of receiving operating fluid driven through the output port. | 10-30-2008 |
20080265582 | Method and apparatus for converting ocean wave energy into electricity - A method and apparatus for harnessing power associated with ocean waves and converting that power into electricity. The apparatus is a buoy that houses a vertically oriented central shaft, a pendulum, and a generator. As the buoy tilts from the vertical under the influence of wave motion, the pendulum is accelerated and rotates about the central shaft. A centrally-placed generator is mechanically coupled to, and driven by, the rotating pendulum so that the pendulum's kinetic energy is converted into electricity. The electricity may be stored at or near the buoy or transferred to a remote facility. Moreover, a fin array located along the bottom of the buoy serves as an anti-torque mechanism and improves the operational efficiency of the electricity production. The method involves employing use of the centrally located generator and the fin array to efficiently harness wave power. | 10-30-2008 |
20080272599 | Tidal Flow Power Generator - The present invention relates to a tidal flow power generator comprising a waterpower conversion unit, a transmission mechanism and a generator set. The waterpower conversion unit converts the thrust of the water into rotational kinetic energy through foldable sails, and the kinetic energy is transmitted to the generator set by the transmission mechanism. The present tidal flow power generator is of simple structure and could effectively make use of various waterpower resources. | 11-06-2008 |
20080272600 | LEVER OPERATED PIVOTING FLOAT WITH GENERATOR - The disclosure teaches improvements of the lever operated pivoting float with generator. The improved parts include an improvement in the torsion spring system, more streamlined floatation, counter weighted and ballast balanced, buoyant lever arm and a shock absorbing lever arm. The device can also be use up side down. The disclosure also teaches a floating electric power generator including a buoyant float component, a lever arm pivoting on a shaft of the float and attached to a submerged structure, and an electrical generator that includes a shaft that turns in response to the pivoting of the lever arm. Also disclosed is a floating electric power generator including a float in a “U” or horseshoe shape with an opening for mounting the pivoting lever arm on a shaft, a generator contained within one arm of the float, a combination spring and shaft component wherein the springs are compressed by pulling down of the pivoting lever arm, and energy from the compression or relaxation of the power is communicated to the generator shaft to power the generator. The disclosure teaches a floating electric power generator comprising: a float in a “U” or horseshoe shape with an opening for mounting a pod shaped pivoting lever arm on a shaft, a generator contained within the lever arm pod, a chain, coil spring and end cap configuration in communication with a shaft within the lever arm wherein the chain is wrapped about the shaft when the lever arm is pulled down and thereby compressing the spring, a gear component on the shaft in communication with at least one other gear fixed to the generator rotating shaft so that as the lever arm rotates about the shaft, the generator rotating shaft is turned. The pod holds the weight of the generator and the generator acts as a counter weight and ballast to force the back end of the float under as it is lifted out of the water. The pivoting floatation device has large ends and thinner mid sections so that the float will enter the water smoothly. | 11-06-2008 |
20080284173 | Wave Energy Apparatus - Apparatus for extracting waves comprises a float ( | 11-20-2008 |
20080309088 | Methods and Apparatus for Power Generation - Motion of a first component in response to waves is converted to rotary motion of a member of a second component. The two components are magnetically coupled to each other. The relative linear motion of the components causes energy to be transmitted from waves between the two components via the magnetic coupling, and thus no mechanical connection is required for the transmission. This can allow for wave energy conversion without a need for hydraulic or pneumatic systems. Applications for technologies described herein include ocean wave energy converters (OWEC) for generating electricity from wave energy. | 12-18-2008 |
20090001729 | Modular Near-Shore Wave-Powerd Energy Collection System - A modular near-shore wave-powered energy collection system, which includes a plurality of connected modules, each module including at least one flotation device and at least one OWC, wherein each OWC is connected to a common pressure manifold and a common vacuum manifold and the common pressure manifold and the common vacuum manifold are connectable to a device. | 01-01-2009 |
20090008941 | Modular System for the Electric Energy Production from Wave Motion - A modular system for the electric energy production, exploiting the hydromechanical energy extractable from wave motion thanks to the implementation of means for pumping based on a stem-piston-cylinder system and driven by the wave motion acting on floating members. Under wave motion, air is compressed by a piston ( | 01-08-2009 |
20090008942 | Apparatus for converting wave energy into electric power - The invention concerns an apparatus for converting wave energy into electric power, comprising a closed floating element ( | 01-08-2009 |
20090015013 | WAVE POWER CONVERTER - A wave power converter for implementation at an offshore location where it will be exposed to passing waves and swell, comprises a buoyancy element ( | 01-15-2009 |
20090015014 | TIDAL STREAM ENERGY CONVERSION SYSTEM - The present invention is concerned with an energy conversion system for converting tidal energy into electrical energy, the system comprising a barrier ( | 01-15-2009 |
20090021016 | Double gravity/buoyancy/density energy process - The process using gravity/buoyancy/density twice (sinking and rising) to produce electrical or mechanical energy through displaced volume is new. The fact that gravity is a constant force, not variable like solar or wind energy, makes this process continuous in the production of electrical or mechanical energy. The fact that gravity is free is also an asset allowing for just construction and maintenance costs. In addition, the process does not pollute. Many designs using this process are viable for large and small scale facilities. | 01-22-2009 |
20090021017 | Installation Comprising a Wave Power Apparatus and a Support Structure Therefor - A wave power apparatus at least a part of which is permanently fixed to the sea floor or to ground, i.e. such as to a breakwater, a mole, a pier, a jetty, a cliff or an oil rig. The wave power apparatus ( | 01-22-2009 |
20090026767 | Modular system for generating electricity from moving fluid - A modular system for producing electricity from the channel, river, ocean or tidal water currents and wind is disclosed. The embodiments of the system comprise a set of interconnected modules. Each module contains a fluid flow energy converter positioned in a protecting housing. A converter consists of a vertical axis underwater hydro-turbine or wind turbine, connected to the electrical generator. The turbine is essentially a paddlewheel having an arrangement of attached paddles with mutually perpendicularly oriented asymmetric blades that are fixed to the poles at both ends. Such orientation of blades provides a positive feedback minimizing the blades' friction while maximizing a drag force and maximizing the turbine's efficiency. The electrical generator transforms the rotational energy of the turbine into electricity. An array of modules may be arranged side by side, thus providing versatile configurations of submersible hydroelectric or wind power systems, which are inexpensive to build, install and maintain. | 01-29-2009 |
20090039654 | MARINE WAVE ENERGY CONVERSION SYSTEM - An energy conversion system includes a first mechanical system for converting reciprocating motion to rotary motion, a second system formed of belts and pulleys connected to said first system and driven by said rotary motion to lift a weight in response to said rotary motion from a first position to a second position and allow the weight to return to said first position under the influence of gravity. A rotary electrical is driven by the second system through a transmission means connected to the second system to create electricity only while the weight is returning from its second to its first position. | 02-12-2009 |
20090045631 | DEPLOYMENT APPARATUS FOR SUBMERGED POWER PLANT - Power generating equipment comprising a buoyant power generating apparatus and a support structure for the power generating apparatus, which support structure, in use, is disposed on the bed of a body of water, the power generating apparatus comprising a motor-driven winching device having a tether which is connectable at its free end to the support structure whereby retraction of the tether causes the power generating apparatus to be drawn downwardly through the body of water into engagement with the support structure, the power generating apparatus and the support structure being provided with means for aligning and latching the power generating apparatus with respect to the support structure upon engagement with the support structure. | 02-19-2009 |
20090051168 | Gravity wave power generation apparatus - A power generation apparatus that will not exhaust carbon dioxide is provided where a strong rotating motion is created by the combination of solar heat energy, gravitational energy, and ocean current or tidal current energy. In the sea area having stream current such as ocean current and tidal current, the power generation apparatus is constructed by a weight mass provided with a rotation axis (shaft) on the top part thereof, a floating body provided with a bearing for fitting in the rotation axis where it moves up and down according to the swell on the ocean surface, a normal rotation conversion generator for converting the reverse motion produced on the rotation axis to a normal rotating motion by using a one-way clutch or a ratchet mechanism, and a mooring member for fastening the wire rope between the anchor and the connecting point of the floating body and weight mass. | 02-26-2009 |
20090058090 | Plant, generator and propeller element for generating energy from water currents - A plant, generator and rotating member for the production of power from currents in a body of water, comprising a fixedly mounted of floating structure, and a plurality of replaceable generator units ( | 03-05-2009 |
20090058091 | MAGNUS FORCE FLUID FLOW ENERGY HARVESTER - An energy harvester capable of providing motion from fluid flow includes a Magnus rotor defined by a cylinder driven by a motor causing the cylinder to rotate so that lift is created by the fluid flowing past the cylinder. A channel or system may be provided to direct the fluid flow to the cylinder. The rotating cylinder configuration is integrated into a mechanical device which is designed to transfer the lift into a mechanical motion to drive a generator. The mechanical motion due to the created lift is reversed by using a stalling mechanism and counter balanced mechanism. This creates a bidirectional motion which can be captured and used to drive a generator. The device can be utilized in either air or hydraulic environments. A modification of the energy harvester can be configured to utilize the electricity generate to produce hydrogen for use in fuel cells or for combustion. | 03-05-2009 |
20090072539 | DEVICE, SYSTEM, AND METHOD FOR HARNESSING FLUID ENERGY - In various embodiments, the present disclosure provides a method, device, and system for generating energy from fluid motion, such as from sea waves. In a specific example, the disclosure provides a device having a submersible housing having an inlet and an outlet. When submerged, the inlet faces toward the direction of fluid propagation such that the fluid is incident on the inlet. The outlet includes a one-way check valve to pass water flowing through the housing from the inlet. The housing further includes a turbine positioned between the inlet and outlet such that water may flow from the inlet, past the turbine, and through the outlet. The turbine is coupled to an electrical generator. In some examples, the fluid has a wavelength λ and the region of the housing between the inlet and outlet has an axial length of λ/2. In further embodiments, the device includes a plurality of inlets and outlets located at different axial positions on the housing. The inlets and outlets are arranged in sets; each set having an axial length corresponding to half the wavelength of a fluid wave. | 03-19-2009 |
20090072540 | MOVEMENT AND POWER GENERATION APPARATUS - The invention relates to apparatus which allows the movement of a body of water, such as that created by waves and/or a swell in the sea, to be utilized to generate power. The apparatus includes a first member in the form of a float, which is connected to a second member and at least one rotatable means connected to a power generator. In one embodiment the second member is connected with and supported on the first member while the rotatable member and power generator are provided at a relatively fixed location and coupled to second member such that relative movement of the second member with respect to the rotatable means is used to cause the generation of power. | 03-19-2009 |
20090079196 | Wave power installation - A wave power installation is presented, comprising a flow chamber, an air-driven turbine disposed in the chamber and coupled with an electro-generator, a float having a cavity accumulating air, communicated with the chamber, a vacuum-creating ejector disposed in water mounted under the float, which ejector is performed as a confuser-diff-user conduit, wherein at least a portion thereof is vertically positioned. The conduit has a minimal through cross-section. At least one reverse valve is mounted in the vicinity of the minimal cross-section. The conduit is communicated with the cavity via the reverse valve. The chamber and turbine can be located on a coast. In embodiments, the conduit is furnished with a cylindrical nozzle, thereby making it stepwise widening downwardly. During both the upward and downward motions of the float, airflow is produced through the chamber, providing for practically continuous generation of electric energy by the installation, and improving its efficiency. | 03-26-2009 |
20090085357 | Wave energy converter with internal mass on spring oscillator - A wave energy converter (WEC) system includes a shell containing an internal oscillator comprised of a reaction mass suspended from the shell by an elastic spring in parallel with a constant force spring. The constant force spring provides a relatively constant force (Fc) to counterbalance the static weight of the reaction mass and reduce the extension “static” length of the elastic spring while the elastic spring exerts a force (F | 04-02-2009 |
20090096214 | FLOW POWER CONVERTER APPARATUS EMPLOYING A FLOW-CONTROLLED DUCT TO CAPTURE FLOW ENERGY - A wave power converter employing a flow-controlled duct for capturing and converting useful wave surge energy to electric power over a relatively broad range of surf or river flow conditions. The power converter includes an inclined ramp with several openings for receiving wave or river water and retaining surge water in hydraulic isolation, permitting water to flow into a flow-controlled conduit and a generator for producing electrical power from water flow in the conduit. The power converter apparatus is suitable for low-cost manufacture, offers simple robust operation suitable for underdeveloped regions of the world, may be fabricated from commonly-available components, requires few moving parts and no valuable (lootable) components other than a generator, and is self-flushing for low maintenance operation. | 04-16-2009 |
20090102199 | Wave Energy Generator - The present invention relates to a generator for generating power from a wave. The generator includes a body defining a plurality of chambers for receiving the wave, and a first set of non-return valves through which air from respective chambers can pass. A first vessel receives air from the first set of non-return valves and, in turn, a turbine receives air from the first vessel to generate power. A second vessel receives air from the turbine. The generator also includes a second set of non-return valves through which air can pass from the second vessel and into respective chambers, thus completing the fluid circuit. | 04-23-2009 |
20090102200 | Wave energy recovery system - The present invention includes novel apparatus and methods for recovering energy from water waves. An embodiment of the present invention includes a buoy, a shaft, and an electric power generating device. The shaft is coupled to the buoy such that when the buoy moves vertically in response to a passing wave, the shaft rotates. The shaft is coupled to the electric power generating device such that when the shaft rotates, the generating device produces electric power. Once electric power is generated, it is delivered to shore, where it is stored, used to power a device, or delivered to a power distribution grid. | 04-23-2009 |
20090108584 | Turbine System and Method for Extracting Energy From Waves, Wind, and Other Fluid Flows - An apparatus for harvesting fluid energy including a wave turbine consisting of a long shaft having pairs of buckets positioned at intervals along the shaft and rotated | 04-30-2009 |
20090115192 | Water wave-based energy generator - The water wave-based energy generator is a system for extracting usable mechanical energy from a body of water, such as an ocean. A support frame is provided having a central portion, which is suspended over the body of water, and a plurality of legs, extending downwardly therefrom. A pivotal frame is pivotally joined to the central portion of the support frame and has a planar sheet mounted on a lower end thereof. The planar sheet is at least partially suspended in the body of water so that waves in the body of water cause rotation of the planar sheet and the pivotal frame with respect to the support frame. An elongated rod is pivotally joined at a proximal end thereof to the pivotal frame so that rotation of the pivotal frame generates lateral movement in the elongated rod. The lateral movement of the distal end of the elongated rod may be used to drive an external mechanically driven system. | 05-07-2009 |
20090121486 | Tidal Power System - Systems and methods for harnessing energy from ocean tides use the rise in water level to lift a buoyant mass to an elevation and then use the weight of the mass to pressurize a working fluid, such as water, used to motivate a turbine generator to produce electricity. The extra weight of the buoyant mass pressurizes the working fluid to greater pressure and velocity than possible using only the static head of the tide. | 05-14-2009 |
20090121487 | CONVERSION OF ENERGY IN WAVES AND IN TIDAL FLOW - An energy conversion system comprising a support structure upstanding within a volume of water subject to the occurrence of both wave motion and tidal flow, a first apparatus mounted from the support for deriving usable power from the tidal flow, and a second apparatus operationally supported relative to the support structure for deriving usable power from the occurrence of wave motion independently from that derived from tidal flows and power transfer apparatus for facilitating the transfer of such usable powers to a land based location, or for making some alternative use of such power elsewhere. | 05-14-2009 |
20090127858 | OCEAN ENERGY SYSTEM AND METHOD - A wave energy system and method are provided that have a main body that floats on the surface of the ocean and generates energy due to the motion of the crests and troughs of the ocean. | 05-21-2009 |
20090127859 | POWER GENERATION SYSTEMS AND METHODS - A power generation system includes a plurality of submerged mechanical devices. Each device includes a pump that can be powered, in operation, by mechanical energy to output a pressurized output liquid flow in a conduit. Main output conduits are connected with the device conduits to combine pressurized output flows output from the submerged mechanical devices into a lower number of pressurized flows. These flows are delivered to a location remote of the submerged mechanical devices for power generation. | 05-21-2009 |
20090127860 | Water wave-based energy transfer system - The water wave-based energy transfer system is a system for generating electrical power from the natural motion of water waves, such as ocean waves. The system includes an anchor adapted for stationary lodgment on an underwater support surface, such as the ocean floor, and at least one buoyant float provided for floating either on or below the ocean surface. At least one primary cable joins the at least one buoyant float to the anchor, and a secondary cable joins the at least one buoyant float to a tensioning device coupled with a power conversion and generation device on the shore. The oscillatory motion of the at least one buoyant float caused by the water waves or swells generates oscillatory motion in the second cable, which drives the power conversion and generation device. | 05-21-2009 |
20090146428 | Water Wave Power System - A system for generating energy using water waves includes a unit having two rotors connected by a ramp. The unit is positioned at or near the surface of a body of water and oriented so that the waves break on the ramp and travel along the length of the ramp. Each rotor is provided with a plurality of buckets having an open top and a bottom having a opening. The opening is sealed by a flap when water enters through the top of the bucket, but is open when water enters or attempts to enter the bucket through the opening. As the water travels along the ramp, the water is fed into the buckets on the rotors to turn the rotors and drive generators positioned at both ends of the rotors. The energy is transmitted to an external collection point for use or distribution. | 06-11-2009 |
20090146429 | WAVE ENERGY CONVERTER - A wave energy converter ( | 06-11-2009 |
20090152870 | Apparatus for receiving and transferring kinetic energy from a flow and wave - A tandem axial turbine comprises a front, confusor funnel-shaped runner having inner blades and capable of accelerating and directing an oncoming flow toward a co-axial rear runner which rotates in an opposite direction. A tangential turbine has a hub, blades capable of rotating in relation to the hub between positions across and along the flow, and a propulsion springs for controlling the movement of the blades in relation to the hub and the transfer of the energy. A second tangential turbine comprises a runner having a hub and blades and a shroud capturing the runner from above and around and permitting the blades to dip into water flowing immediately below the hub and an opening of the shroud. A surface vessel comprises a stabilized frame rotatably affixed on a vessel hull about a center of wave induced rocking motions of the vessel and therefore isolated from a rocking motion of the vessel. | 06-18-2009 |
20090160191 | 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 a first mass movable relative to the ground plane, wherein the external force induces an oscillation in the first mass relative to the ground plane. A second movable mass is carried by and movable relative to the first movable mass. The second movable mass creates kinetic energy as the result of varying the position of the second movable mass relative to the first mass. The system adjusts or tunes the frequency of various components in relation to the natural frequency of the waves. The second mass can move relative to the first mass by various methods including rolling on a track or pendulum. The energy created by the relative motion can be converted to various forms of energy including electrical energy. | 06-25-2009 |
20090174190 | INDUCED SURFACE FLOW WAVE ENERGY CONVERTER - A wave energy conversion device that employs a submerged horizontally-aligned structure provided with a central opening formed in a horizontally extending surface, focuses wave induced water-particle motion, resulting in a flow into and away from the central opening, and a turbine is mounted in the central opening to be driven by this flow of water. Preferably the operation of this device occurs in a structural submerged depth of less than one-half wavelength of waves in the region. In a preferred embodiment, the flow through the central opening is bidirectional, and a self-rectifying turbine is used for unidirectional rotation. In an alternative embodiment, unidirectional check valves are used to direct water flow to a unidirectional turbine. Guide vanes are used to direct the flow inward towards the opening and can also be used to induce swirl in the flow field. When constructed axisymmetrically, the device can generate power from waves coming from any direction. The device may have multiple turbines arranged within it, or multiple units can be built into an array for power generation. The device may be mounted on supports fixed to the sea floor for shallow-water applications, or may be a floating submerged structure moored to the ocean floor for deep-water applications. | 07-09-2009 |
20090189395 | METHOD AND APPARATUS FOR CONVERTING MARINE WAVE ENERGY BY MEANS OF A DIFFERENCE IN FLOW RESISTANCE FORM FACTORS INTO ELECTRICITY - The invention relates to a method and apparatus for gradually converting marine wave energy into electricity. The energy reserve provided by wind power holds enough energy for the needs of the entire mankind. The invention provides an efficient means of putting this energy reserve to practical use. Mounted on a rotating power shaft is a pair of form parts, the convex and concave shape, especially the round-pointed open V-shape of which reverses its orientation by 180 degrees, i.e. turns from convex to concave, whenever the power shaft makes a rotation of 180 degrees. The circular motion of water occurring in a wave drives such a turbine effectively while the wave dies out. The pair of convex and concave form parts extends helically around the power shaft, whereby water currents in all directions, which come to contact with the pair of form parts, produce a rotative moment. | 07-30-2009 |
20090200806 | Wave-based power generation system - The wave-based power generation system has a buoy or float retained by a cable that enters an underwater power generating station. The cable enters the station housing through an inverted U-tube having upturned inlet and outlet ports, which prevent water from entering the housing. The buoy cable passes over an inlet pulley assembly disposed within the U-tube and has its free end secured to a take-up reel or sheave. A driver pulley is mounted on a shaft coaxial with the take-up reel shaft, and is constrained to unidirectional rotation. Rotation of the driver pulley is coupled to a mainspring pulley and a timing pulley through an idler pulley. A mainspring is compressed by rotation of the mainspring pulley until a cam wheel coaxial with the timing wheel releases a brake, causing the mainspring to expand and rotate a generator shaft to produce electricity. | 08-13-2009 |
20090206608 | POWER GENERATION APPARATUS, SYSTEMS, AND METHODS - Apparatus and systems, as well as methods and articles of manufacture, may operate to receive oscillatory motion at an inertial mass to impart motion to a fluid, rotate a turbine or vibrate a beam using the motion imparted to the fluid, and generate power using a generator mechanically coupled to the turbine or beam. Other embodiments are described and claimed. | 08-20-2009 |
20090212571 | WAVE POWER SYSTEM FOR EXTRACTING SIMULTANEOUSLY BOTH POTENTIAL AND KINETIC ENERGY AT VARIABLE SIGNIFICANT WAVE HEIGHTS AND PERIODS - A wave energy conversion system or device includes a float and base on top of which there is a power take-off system. The float, its base and the machine room are inserted in a main column supported by legs and corresponding leg supports on the bottom floor in shallow waters (seas or lakes). In deeper waters, the main column may be supported by column supports attached to an underwater float. The machine room is separated of the float frame through a rotary joint which allows the float and base to rotate in any horizontal direction while maintaining the machine room fixed in the same horizontal direction. The rotary joint separating the float frame and the machine room also allows for the vertical up and down movement when interacting with incoming waves. The distance between the machine room and the float frame is always the same. The device includes flaps or blades for the absorption of kinetic energy derived from the back and forth movement of water generated by waves. The device extracts potential energy of the wave from the up and down movement of the floating structure through a power take-off system in the machine room. | 08-27-2009 |
20090230684 | Wave energy megawatts harvester - A wave energy megawatts harvester that enables the average size ocean waves to rotate the flywheel and power generators to 1800 rpm using the unlimited ratios, combinations and automatic transmissions of the rpm multipliers including the ratchet bearings of the drive pulleys that prevent interference to the smooth operation of the flywheel for the production of large amounts of electric current that are supplied to the towns, cities and municipalities including an option of charging the unlimited number of power battery units of the hybrid motor vehicles and electric motor vehicles. | 09-17-2009 |
20090243298 | MINIMAL WAVE POWER GENERATOR - A system for generating electrical power from sea waves, includes a tube ( | 10-01-2009 |
20090250934 | PLANT FOR THE PRODUCTION OF ELECTRIC POWER FROM THE MOVEMENT OF WAVES - Plant for producing electric power from the movement of waves, characterized in that it comprises an offshore dam ( | 10-08-2009 |
20090261593 | Tidal pump generator - This invention relates to an apparatus which generates electricity from the power inherent in the ocean tides. It uses this power to operate a hydraulic pump during the rise and fall of the tide, the hydraulic pump transmits this power to an hydraulic motor which in turn operates an electric generator. This invention can be used wherever there is access to the ocean tides. | 10-22-2009 |
20090273188 | APPARATUS FOR GENERATING ELECTRICITY THROUGH OSCILLATORY MOTION - Disclosed is an apparatus and method for generating energy through oscillatory motion requiring little input. Oscillatory motion is generated using a substantially circular trough containing a liquid, inflatable bags positioned below the trough and a movable weight. The trough is pivotally connected to a central point about which it oscillates. Sustained oscillatory motion is encouraged by inflating and deflating the bags in coordination with the movable weight within the trough and a biased member upon which the bags reside. The oscillatory motion may be captured and transferred to rotary motion which may be used to drive a generator. | 11-05-2009 |
20090278356 | Sea wave energy converter - The invention relates to a method for generating energy from an undulating movement of a medium such as seawater, comprising of following the movement of the medium, wherein a direction of movement of the movement changes at a point in time, converting the followed movement into energy, interrupting the following of the movement for an interruption period close to the point in time, wherein conversion of energy comprises of pumping a fluid with the followed movement by feeding and discharging said fluid. | 11-12-2009 |
20090278357 | TIDAL FLOW HYDROELECTRIC TURBINE - A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are provided to limit movement of the rotor relative to the housing in either axial direction, such that water flow in either direction operates the turbine, but wherein the retaining members and the anti-friction members allow the rotor to shift in either axial direction in response to water flow. The anti-friction members limiting rotor travel in the axial direction are preferably of increased thickness, such that as the anti-friction members wear down, the rotor is able to shift relative to the housing in the axial direction. | 11-12-2009 |
20090278358 | WAVE ENERGY CONVERTER - A wave energy generator includes a float for floating on the surface of a body of water. An electrical energy generator that is capable of generating usable electrical energy from the kinetic energy of waves is mounted to or otherwise engaged with the float. The electrical energy generator includes a housing, a coil of electrically conductive material, a reciprocally movable electromagnetically active mass, and springs for connecting the mass to the housing. The electrical energy generator may optionally include spring adjustment means engaged with the housing, means for constraining non-linear motion of the electromagnetically active mass, and/or means of mitigating motion retardation of the electromagnetically active mass within the housing. | 11-12-2009 |
20090284014 | WAVE TRANSDUCE HAVING VARIABLE ENERGY PISTON ASSEMBLY - The present invention relates to a way to adapt a wave transducer to the actual amplitude of incident waves, so as to improve the efficiency of energy conversion. The adaptation includes a variable-energy piston assembly and a tapered float. | 11-19-2009 |
20090284015 | Water Wave Power System - A system for generating energy using water waves includes a unit having two rotors connected by a ramp. The unit is positioned at or near the surface of a body of water and oriented so that the waves break on the ramp and travel along the length of the ramp. Each rotor is provided with a plurality of buckets having an open top and a bottom having a opening. The opening is sealed by a flap when water enters through the top of the bucket, but is open when water enters or attempts to enter the bucket through the opening. As the water travels along the ramp, the water is fed into the buckets on the rotors to turn the rotors and drive generators positioned at both ends of the rotors. The energy is transmitted to an external collection point for use or distribution. | 11-19-2009 |
20090302611 | Turbine - The present invention relates to a marine turbine and variety of aspects relative thereto. Renewal energy systems have recently been understood to be a necessary energy source, and tidal power is a particularly useful source as it is generally not visible and has a limited ecological impact. The present invention relates to a system for converting the kinetic energy of flowing fluid into electrical energy comprising a turbine having a low speed electricity generator and a braking means for controlling the speed of rotation of the shaft. The present invention also extends to a nacelle for housing a number of components of a turbine wherein the nacelle has cover for selectively opening and closing the aperture to the nacelle in order to provide a substantially watertight seal therebetween. The invention also extends to an apparatus for converting energy of a flowing fluid into electrical energy comprising a nacelle having a turbine therein and a lifting means providing a lifting means providing a load flow path between the lifting point, the nacelle and the turbine. A further advantage of the present invention is the ability to easily locate and remove new marine turbine from a useable location. There is therefore provided a turbine and support fixing to the ground, the turbine and support comprising complimentary male and female engaging portions such that when the turbine is lowered onto the support, the male and female portions contact therefore providing an operational engagement therebetween. | 12-10-2009 |
20090309365 | Submersible turbine-generator unit for ocean and tidal currents - A submersible turbine-generator unit includes two or more turbines mounted on a common shaft with a generator therebetween. Each such turbine is capable of providing relatively low-speed, unidirectional rotation under a reversible ultra low head pressure and/or low velocity fluid flow. The turbines comprise a working wheel with a plurality of airfoil-shaped blades mounted transversely to the direction of fluid flow for rotation in a plane parallel to the fluid flow. The turbines convert energy in the waterway currents into mechanical energy that will transfer it through the turbine shaft to a cylindrical permanent magnet generator which will convert mechanical energy in the form of RPM and torque into electricity. Electricity from the variable speed electric generator is controlled, synchronized, conditioned and transformed into utility-grade electricity using a power electronics system in each module. | 12-17-2009 |
20090309366 | WAVE ENERGY CONVERTER - A wave energy converting apparatus | 12-17-2009 |
20090315330 | FACILITY FOR REFUELING OF CLEAN AIR VEHICLES/MARINE CRAFT AND GENERATION AND STORAGE OF POWER - A facility for the generation of electrical power and products for the refueling of clean air vehicles (CAV's) and marine craft and for use by the facility and/or general market. A host of electrical power generation devices including solar panels, solar collectors, wave action generators, reverse osmosis water purification apparatus, high density capacitor electrolizers, hydrogen/oxygen purifiers and compressors, storage units, fuel cells, AC/DC motors and generators and the various connectors, gauges and networks used for interconnecting and dispensing the products of a combined source system are used jointly and severally in a land/marine site. In addition to the generation of DC electrical power, gaseous products such as may be marketed for their intrinsic value or used in the production of additional power via fuel cell operation are also marketed or used/consumed on site. Unique improvements are made in the ability to store energy through use of capacitors. | 12-24-2009 |
20090315331 | Hydroelectric Device for the Production of Electricity, Particularly from Tidal Currents - A hydroelectric device, for the production of electricity in an aquatic environment with currents, includes a frame supporting a rotating member having a number of bearing surfaces that cooperate with the currents to generate a rotation of the rotating member. An electromechanical device produces an electrical current from the rotation. The hydroelectric device also includes a device for adjusting the position of the rotating member with reference to the surface of the aquatic environment. The latter device includes a tank having a variable opening positionable under the surface of the aquatic environment for modifying the water filling rate of the tank. The rotating member may be mounted on the frame by means of a shaft extending along a perpendicular direction to the currents, which facilitates the coupling thereof to one or two similar hydroelectric device shafts arranged at either end of the first, in alignment. | 12-24-2009 |
20090322091 | Tidal power apparatus - A tidal power apparatus comprises a moored pontoon ( | 12-31-2009 |
20090322092 | Wave action electric generating system - A wave action electric generating system comprises a platform floating on water, the platform being subject to rocking from side to side from wave action; an electric generator disposed on the platform; a pulley engagable with the generator in a first direction to power the generator, and free-wheeling with the generator in a second direction opposite the first direction; a spring to rewind the cable; an arm extending over the water, the arm including a far end that moves substantially up and down over the water as the platform rocks from side to side; a cable operably connected to the pulley and supported by the far end, the cable pulling on the pulley in the first direction and rewinding around the pulley in the second direction; a member disposed in the water and connected to another end of the cable, the member resisting lifting as the far end moves upwardly from wave action thereby to unwind the cable and drive the generator, the member resisting sinking as the far end moves downwardly, thereby to rewind the cable. | 12-31-2009 |
20100007147 | APPARATUS FOR CONVERTING WAVE MOTION INTO MECHANICAL ENERGY - An apparatus ( | 01-14-2010 |
20100013228 | SURFACE PIERCING TIDAL GENERATOR - A tidal generator includes a floating structure and a shaft that is supported over a moving body of water. The shaft is coupled to multiple rotors that have pitched blades that extend radially from the center of the rotor. Portions of the lower blades are submerged in the moving water. The movement of the water relative to the tidal generator causes the rotors and shaft to rotate. The shaft is coupled to an electrical generator. | 01-21-2010 |
20100013229 | HYBRID WAVE ENERGY PLANT FOR ELECTRICITY GENERATION - The innovation herein proposed describes a plant to produce electricity by the sea waves. The plant is designed to be installed on shore, near shore and offshore scenarios: on the coast line, in shallow waters and in deep waters. The plant is operated by action of the sea waves on a series of floaters (A). The resultant force on each floater (A) acts on a mechanical load amplifier (B) which moves two vertical high pressure piston pumps (C). These pumps (C) send pressurized fresh water to a hyperbaric system (E). The hyperbaric system (E) supplies an outflow water jet through a controlled valve that moves a conventional turbine (G). This turbine (G) connected to the electric generator (H) produce electricity. | 01-21-2010 |
20100019497 | Open ocean wave energy converter - The apparatus defined herein comprises a platform, isolated stabilization floats, bobbing floats, and linear drive converters, in order to transform the energy represented by the bobbing motion of ocean waves/swells into a rotating mechanical motion. | 01-28-2010 |
20100019498 | WAVE ENERGY CONVERTER - Systems are described for obtaining energy, especially electrical energy, from sea waves. An elongated elastic tube ( | 01-28-2010 |
20100019499 | UNDERWATER POWER STATION AND METHOD FOR OPERATING AN UNDERWATER POWER STATION - A method an apparatus for operating an underwater power plant including a support structure; at least one turbine; at least one electric machine configured to be operated as a generator or a motor, the at least one electric machine being in an at least indirect drive connection with the at least one turbine and the at least one electric machine in a motive operation is configured to drive the at least one turbine to produce a propulsive power; and a spacer element between the at least one turbine and the support structure, wherein the at least one turbine is attached to one end of the spacer element and a pivot joint to the support structure is attached to an opposing end of the spacer element, a linkage point of the pivot joint having an eccentricity which is a lateral offset to a force action line of the propulsive power. | 01-28-2010 |
20100025999 | Ocean wave electricity generation - This invention relates to electricity generation from the ocean wave by use of mechanical systems, submerged or on surface, collecting energy day and night regardless weather condition in a way similar to the way of collecting energy by use of solar panels or wind mills, without contacting the salty ocean water. The principal mechanism invented is as follows. Swinging of a heavy mass due to the ocean wave generates torque that sways gear wheel in clockwise or counterclockwise, thus transmitting the torque energy to two gear wheels that separate clockwise swing and counterclockwise swing via two sets of spring-piston clutching system and by use of gear chain, either converting clockwise swing to counterclockwise swing or vise versa such that the back and forth motion of the mass transforms into unidirectional rotation that rotates the rotor of electricity generator. | 02-04-2010 |
20100026000 | Wave power apparatus and use of the apparatus as an emergency power generator - A wave power apparatus where an array of mutually interconnected buoyancy bodies are arrangeable on or partly submersible in a mass of water for therein to be subjected to wave movements, at least one energy generating means being arranged in association with the movable links in the array and forming part of the individual link, the link being shaped as a hinge with a first hinge part constituted by or connected to a stator of an electric generator and with a second hinge part constituted by or connected to a rotor in the electric generator, and the hinge having a link shaft. Between the links, and between each end in the array and its closest link there extends connections elements having no buoyancy or limited buoyancy. Each end of the array is assigned at least one buoyancy body which is either attached to the end or has a depending connection to the end. Buoyancy bodies are assigned to the links and are each composed of at least one of: said link shaft, part of the link shaft, buoyancy body/bodies attached to or at each link, buoyancy body attached at or to a respective end region of each link, and buoyancy body with depending connection to each link. | 02-04-2010 |
20100026001 | Electrowave - A machine which capitalizes on the descent of water which has been elevated by making use of the random use of waves and or the velocity of the waters. | 02-04-2010 |
20100032950 | DEVICE FOR WAVE-POWERED GENERATOR - A device for a wave-powered generator which is provided with at least one energy generator and lines for transferring energy to a consumer, the wave-powered generator comprising a main module provided with a running rod which is substantially vertical in its longitudinal extent, several supporting devices arranged around a portion of the running rod and arranged for sliding or rolling movement on surface portions extending in the longitudinal direction of the running rod, at least one sheave which is arranged to roll on the running rod, and transmission means which are arranged to translate the rotating motion of the at least one sheave into rotation of the drive shaft of the at least one generator; and a first float which is floatingly disposed in an area affected by waves and which is connected to the running rod by a primary driving line substantially of tensile strength. | 02-11-2010 |
20100032951 | Mooring System - A mooring system and/or a rigid harness ( | 02-11-2010 |
20100038911 | ORIENTATION DEVICE FOR WATER CURRENT POWER GENERATING APPARATUS - A water current generating device is provided that consists of a main body and a horizontal axis rotor attached by a mechanical connection to a fixed support structure. Under the action of one ore more hydrodynamic thrusters, the main body of the turbine is rotated about a desired axis of rotation to face the oncoming current flow. The mechanical connection incorporates an appropriate degree of freedom to allow this re-orientation to take place. | 02-18-2010 |
20100038912 | FLOATABLE WAVE ENERGY CONVERTER AND A METHOD FOR IMPROVING THE EFFICIENCY OF A FLOATABLE WAVE ENERGY CONVERTER - A wave energy converter ( | 02-18-2010 |
20100038913 | DEVICE FOR UTILIZING OCEAN-WAVE ENERGY - According to the invention, the device for utilising ocean-wave energy functions through appropriate pontoons ( | 02-18-2010 |
20100045044 | VERTICAL MOTION WAVE POWER GENERATOR - A vertical motion wave power generator having a flotation device, a vertical support structure fixed to the ocean bottom, and a single power shaft attached rotatably to the flotation device. By the use of a pair of one-way clutches the single power shaft converts the up and down motion of ocean waves into continuous unidirectional rotational force to drive an electric generator. The power shaft, transmission, and generator are all attached to the flotation device and move up and down in unison with the flotation device. | 02-25-2010 |
20100045045 | WAVE POWER CONVERSION - A wave power generator device comprises tubes which are open at their lower end to allow water to enter the tubes as a wave passes. The tubes may be carried on a floating vessel having hulls. As the water level in the tubes rises, air exits the tube via non-return outlet valves into an air chamber. As the water level in the tube falls, air feeds into the tube via non-return inlet valves. The air may be fed from the chamber and used to drive an air turbine and electricity generator. | 02-25-2010 |
20100052327 | Tide operated energy system - I am the sole inventor of this tide water energy system. This energy source is inexpensive and sustainable. Tides are available the world over and should be utilized as a source of efficient, non-polluting energy. | 03-04-2010 |
20100060007 | Harness the energy of the oceans and lakes to produce electricity - A heavy duty mat is placed at the edge of the ocean. | 03-11-2010 |
20100066090 | Free renewable energy designs - These Free Renewable Energy Designs capture the Earth's tidal energy forces. These systems of interconnected modules are capable of capturing and releasing massive amounts of sea water through water control gate(s) located on the barges. Type A design modules are permanently suspended between high tide and low tide levels and converts Earth's tidal energy into electricity by means of bidirectional water driven turbines contained within cylindrical housings located adjacent to the watertight control gate(s), and at the internal connections between the individual modules, and by bidirectional air driven turbines on the air pressure relief vents. Type B design modules are dynamically secured against massive columns with foundations, and are capable of moving freely up and down the columns, thus using gravitational kinetic energy and buoyant kinetic energy to mechanically drive electrical generators between tidal changes. They also incorporate bidirectional water and air driven electrical turbines, which are activated during the “fill” and “empty” cycles of the system just prior to high and low tides. | 03-18-2010 |
20100066091 | POWER GENERATION SYSTEM USING HELICAL TURBINE - Disclosed is a helical turbine power generation system for generating electricity by using a helical turbine and a synchronous generator, the system including: a helical turbine rotatably provided in a frame so as to continuously generate rotation force under unidirectional or multidirectional fluid flow; a step-up gear for increasing a rotational velocity of the helical turbine up to a level required for generating electricity; a fluid coupling for preventing the rotational velocity increased by the step-up gear from increasing above a required velocity at a temporarily high rate of fluid flow; and a synchronous generator for generating electricity by using the rotational velocity transferred from the fluid coupling. Therefore, it is possible to reduce equipment costs and to prevent environmental pollution. | 03-18-2010 |
20100084868 | APPARATUS FOR CONVERTING WAVE ENERGY INTO ELECTRICAL ENERGY - An apparatus for converting wave energy into electrical energy includes a wave power generation unit including a frame and float guides. A wave power generation float is joined to the float guides for vertical motion in response to the wave energy. The wave power generation float includes at least one wave power conversion module. The wave power conversion module includes a module case and an air sealing tube formed in the module case for generally preventing fluids from entering the module case. A power transmission cable transmits electrical energy where one end of the power transmission cable passes through the air sealing tube and is joined to the frame. A cable reel winds and unwinds the power transmission cable. A power transmission drive translates a bidirectional rotation of an input shaft into a unidirectional rotation. A generator generates electrical energy in response to the unidirectional rotation. | 04-08-2010 |
20100084869 | WAVE POWER UNIT, A BUOY, USE OF A WAVE POWER UNIT AND A METHOD FOR PRODUCING ELECTRIC ENERGY - The invention relates to a wave power unit with a buoy ( | 04-08-2010 |
20100102562 | WAVE ENERGY RECOVERY SYSTEM - The present invention includes novel apparatus and methods for recovering energy from water waves. An embodiment of the present invention may include a buoy, a shaft, and an electric power generating device. The shaft may be coupled to the buoy such that when the buoy moves vertically in response to a passing wave, the shaft rotates. The shaft may be coupled to the electric power generating device such that when the shaft rotates, the generating device produces electric power. Once electric power is generated, it may be delivered to shore, where it is stored, used to power a device, or delivered to a power distribution grid. | 04-29-2010 |
20100102563 | DEVICE FOR WAVE-POWERED GENERATOR - Device for a wave-powered generator where a generator via a drive and a primary drive line is connected to a float arranged floating on a water surface, and the drive comprises: a first and a second drive shaft each provided with a freewheel and a drive roller; a part of the primary drive line in engagement with each of the drive rollers; the inlet direction of the primary drive line on the first drive roller being opposite to the inlet direction on the second drive roller such that a linear movement of the drive line rotates the first drive roller opposite to the second drive roller; and the freewheels are interconnected by means of a transmission means effecting the freewheels outgoing rotational motions being identical; and one of the freewheels via further transmission means is arranged to be able to rotate the generator's drive shaft. | 04-29-2010 |
20100102564 | Method and apparatus for converting ocean wave energy into electricity - A method and apparatus for harnessing power associated with ocean waves and converting that power into electricity. The apparatus is a buoy that houses a vertically oriented central shaft, a pendulum, and a generator. As the buoy tilts from the vertical under the influence of wave motion, the pendulum is accelerated and rotates about the central shaft. A centrally-placed generator is mechanically coupled to, and driven by, the rotating pendulum so that the pendulum's kinetic energy is converted into electricity. The electricity may be stored at or near the buoy or transferred to a remote facility. Moreover, a fin array located along the bottom of the buoy serves as an anti-torque mechanism and improves the operational efficiency of the electricity production. The method involves employing use of the centrally located generator and the fin array to efficiently harness wave power. | 04-29-2010 |
20100109329 | POWER GENERATION - The present disclosure includes apparatus, methods, and systems for power generation. One power generator embodiment includes a shaft; a buoyant assembly slidably coupled to the shaft upon which the buoyant assembly rises and falls, the buoyant assembly configured to be moved in at least a first direction by a fluid on which the assembly is buoyant; wherein a first generator is arranged to create electric energy from interaction of a conductor with a number of magnetic elements on the buoyant assembly, in a manner to produce electricity, as the buoyant assembly moves on the shaft when falling in a second direction due to a gravitational force; and a slowing mechanism arranged to slow the movement of the buoyant assembly in order to separate an outer surface of the buoyant assembly from the fluid along at least a portion of the first or second direction. | 05-06-2010 |
20100109330 | Installation For Producing Electrical Energy From Sea Waves Using the Basic Impulse Method - The invention concerns an installation for producing electrical energy from sea waves, using the basic impulse method, in which waves are forced over the float ( | 05-06-2010 |
20100117365 | Wave turbine - An wave turbine composed of a omnidirectional turbine (or Double Wind Turbine) that is used with two tanks and a connecting tube between the two tanks. This omnidirectional turbine is placed in the middle of the connecting tube in a vertical axis position. The two tanks are placed a half wave length apart from the center to the center of each tank. Since the two tanks are a half water wave apart, than as water level of one of the tank rises the other water level on the other tank will go to lower and vise versa. This action will cause a back and forward motion of compressed air through the connecting tube. This compressed air will go through the omnidirectional turbine and cause a unidirectional rotation of the omnidirectional turbine. A axle connected to the omnidirectional turbine will transfer the energy to a generator to produce power output. | 05-13-2010 |
20100117366 | METHODS AND APPARATUS FOR POWER GENERATION - An ocean wave energy converter system comprises an armature and a plurality of magnets which move relative to each other in response to ocean waves pushing on a spar and/or float to which the armature and the plurality of magnets are coupled. Components of the system comprise stacked rings and/or radial laminations. The armature can feature a variety of pole tips. Various methods can be used to assemble components from radial laminations. Air gaps in wire coils of the armatures can be filled with one or more materials that selectively alter the magnetic permeability of the wire coils. | 05-13-2010 |
20100117367 | LINEAR GENERATOR WITH A PRIMARY PART AND A SECONDARY PART FOR POWER GENERATION IN A WAVE-DRIVEN POWER STATION AND WAVE-DRIVEN POWER STATION - A linear generator for power generation in a wave-driven power station is provided. The linear generator includes a primary part which has a plurality of annular primary coils, which are arranged concentrically with respect to an axis and are separated from one another by intermediate elements, and a secondary part which has a plurality of secondary coils, to which direct current can be applied. The secondary coils are arranged axially alongside one another with alternating polarity and have superconductor windings. The the arrangement of the primary coils in the primary part is in the form of an air-gap winding with intermediate elements composed of non-magnetizable material. The primary part or the secondary part is moved parallel to the axis, in an externally operated manner, by a buoy and the current which is induced in the primary coils by the relative movement between the primary part and the secondary part can be tapped off for power generation. | 05-13-2010 |
20100123315 | TAPERED HELICAL AUGER TURBINE TO CONVERT HYDROKINETIC ENERGY INTO ELECTRICAL ENERGY - A helical auger turbine and hydrokinetic device for use with electrical generators for producing electricity. The auger turbine includes a generally helical turbine blade rotatably mounted on a central shaft, which may be tapered at each end, and a flange extending perpendicularly to an edge of the turbine blade. At least one turbine blade support connection is included for connecting the central shaft to a support structure. An electrical generator may be powered by the helical auger turbine, that can be used in a tidal water flow. The helical auger turbine can operate a high pressure pump connected to a hydraulic accumulator for storing pressurized hydraulic fluid from the high pressure pump. An electrical generator can be operated by hydraulic fluid delivered from the hydraulic accumulator at times of slow water flow. A plurality of helical auger turbines can be horizontally oriented under water, tethered to legs of an ocean platform such as an oil rig secured to the seabed. | 05-20-2010 |
20100127500 | Method and apparatus for energy harvesting from ocean waves - A wave energy converter includes a buoy having an interior. The buoy is adapted and constructed to float on a body of fluid. At least one stator is fixed to a surface of the interior of the buoy. At least one rotor is mounted for oscillatory movement in the buoy interior at a location inside the at least one stator. The at least one rotor and the at least one stator are separated by a very small gap to maximize energy production efficiency. At least one rotation-retarding unit is provided. The at least one rotation-retarding unit is connected to the at least one rotor. When the buoy is placed in a body of water in which wave action is present, the motion of the waves causes relative oscillation between the at least one rotor and the at least one stator to generate energy. | 05-27-2010 |
20100133842 | TIDAL POWER GENERATION DEVICE - A tidal power generation device includes at least a chassis, a rail frame, and a chain support rack. A driver is provided at an end of the rail frame. The driver includes a connection bar. The chain support rack is set on the chassis and includes toothed wheels that support and operatively couple a chain that is coupled to the connection bar. One of the toothed wheels has a shaft that is supported by a one-way bearing and is operatively coupled to a first transmission axle by mated gears. The first transmission axle drives a second transmission axle, which is coupled to a dynamo. The driver is caused to move frontward by sea waves for driving the first transmission axle through the chain and the toothed wheels, so as to cause the rotation of the second transmission axle for transmitting torque to the dynamo to generate electricity. | 06-03-2010 |
20100133843 | METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES - A method and device for generating electricity from ocean waves. The device includes at least one magnetostrictive element and one or more electrically conductive coils or circuits. When the magnetostrictive element is deployed in a body of water, the motion of the body of water, including wave motion, causes changes in the strain of the magnetostrictive element. The electrically conductive coil or circuit is within the vicinity of the magnetostrictive element. A corresponding change in magnetic field around the magnetostrictive element generates an electric voltage and/or electric current in the electrically conductive coil or circuit. | 06-03-2010 |
20100140944 | Wave Energy Converter - A wave energy converter ( | 06-10-2010 |
20100140945 | SYSTEM FOR CONVERTING TIDAL WAVE ENERGY INTO ELECTRIC ENERGY - A system for converting marine surface wave energy into electric energy includes a barrier disposed generally vertically and having at least a portion thereof disposed above a surface of a body of water. The portion has a substantially planar surface disposed generally transverse to direction of marine surface waves. Bottom edge of the barrier is pivotally connected to one of a floor bed, a rigid formation and a rigid structure. At least one linear electric generator is coupled to storage of electric energy and is operable by a pivotal movement of the barrier. One type of electric generator is disposed external to the barrier while another type is mounted within a barrier chamber. | 06-10-2010 |
20100148509 | Ortiz turbine - The Ortiz turbine is designed to collect the kinetic energy of water currents, be this at sea, river or at the beach. It is composed of a omni-directional turbine a generator and a main axle that holds together the whole structure. This main axle also attaches the turbine to the bottom of the sea,river or beach. Since it is composed of an omni-directional turbine it will extract the energy of currents that oscillate back and forward like on the beach, also can have vanes long enough to capture different currents with different directions on top or bottom of the sea or river. | 06-17-2010 |
20100148510 | DEVICE FOR CONVERTING THE RIPPLE AND/OR THE OSCILLATIONS OF A LIQUID IN WHICH IT IS AT LEAST PARTLY IMMERSED, INTO USABLE ENERGY | 06-17-2010 |
20100148511 | WAVE ELECTRIC POWER PLANT - The inventive wave electric power plant is used for converting surface wave energy, and relates to hydraulic power engineering. The aim of the invention is to design a reliable, long-life and low material content wave electric power plant exhibiting a stable, increased performance for the extended range of wave parameters. The aim is achieved by the fact that the wave electric power plant comprises an energy absorbing element ( | 06-17-2010 |
20100156106 | Wave Energy Capturing Device - A wave energy capturing device ( | 06-24-2010 |
20100164229 | Wave generating system for converting ocean waves into usable energy - A Wave Generating System for Converting Ocean Waves into Usable Energy includes a Base, a Polyp, and a Stem. The Polyp is connected to the Stem. The Stem is connected to the Base. In some preferred embodiments the Base may require a mooring design to counter both the upward force and a tendency to tip, which can release gas. | 07-01-2010 |
20100171311 | Wave power generator - This invention is a method of capturing renewable energy, using power from ocean waves approaching the continental shores of the world as they build to greater height and power on impact with the shallower waters, and the purpose of this invention is to extract from these waves the maximum amount of energy possible by utilizing pitching vessels in the form of barges anchored perpendicular to the incoming swells and in turn causing large heavy masses in the form of liquids or massive steel balls to shift backwards and forward as the waves pass under the vessel creating a free surface effect to either generate power, convert salt water to fresh, or a combination of both—with a goal of generating 1 megawatt of power per barge providing an average wave height of 5 ft. | 07-08-2010 |
20100171312 | BUOYANT ACTUATOR - A buoyant actuator ( | 07-08-2010 |
20100171313 | Under the bottom ocean wave energy converter - Disclosed is a device to convert the energy of ocean waves into electricity. The device has a barrel shaped body mounted on legs on the ocean floor. The body extends from below the trough of a wave at low tide to a height above the largest wave at high tide. There is a vented top and a hole at the bottom of the body. The hole in the bottom is smaller than the body to cause the water flow to speed up as it passes the turbine. A turbine generator is mounted at the hole in the bottom of the body. When the crest of a wave passes the device, water flows up into the body through the hole in the bottom spinning the turbine generator. As the trough of the wave passes the device the water flows out of the bottom spinning the turbine generator producing electricity. | 07-08-2010 |
20100176595 | TORQUE NEUTRALIZING TURBINE MOORING SYSTEM - The present invention is a floating platform capable of supporting a turbine assembly. The platform and turbine assembly may be configured so as to resist drag. Drag may be absorbed by holding members attached to the present invention above and below the moment center. Furthermore a pivoting cable may be incorporated in the turbine assembly whereby the turbine assembly is moveable and thereby able to absorb drag that is exercised upon a non-moveable rigidly positioned turbine as excessive torque on the turbine rotors. The turbine assembly is further pivotable between vertical (working) and horizontal (transportable) positions. | 07-15-2010 |
20100176596 | Electrical energy generation using hydro-voltaic (HV) cells - Inverse magneto hydrodynamics is employed to exploit natural movement of ocean water at coastal facilities using arrays of tubes to channel the water through orthogonal magnetic fields to generate DC voltage. Each such tube houses a plurality of serially arranged hydro-voltaic cells to produce electrical energy without mechanical movement. The tubes are preferably arranged to produce improved land use efficiency as compared to other known renewable energy generating systems such as photo-voltaic and wind turbines. A pumped salt water version is also disclosed. | 07-15-2010 |
20100181772 | Pendular Generator - The present invention relates to a hydromechanical pendular generator generating electricity on vessels by making use of the energy of waves. | 07-22-2010 |
20100187824 | SUBSURFACE WAVE POWER GENERATION SYSTEMS AND METHODS - A subsurface wave power generation system includes a seabed mounting plate adapted for securing to a seabed, a wing having generally opposed first and second wing surfaces extending between a first and second wing ends, the second wing end being pivotably mounted to the seabed mounting plate such that pivoting motion about a pivot axis generally parallel to the mounting plate is imparted to the wing by subsurface wave action acting on the first and second wing surfaces, and a drive arm pivotably connected to the wing to convert the pivoting motion into reciprocal motion. An electrical generator can be driven by the drive arm through a slip linkage. The slip linkage includes a first stage that converts the reciprocal motion of the drive arm into rotational motion and a second stage that selectively engages the a drive shaft of the generator drive to impart the rotational motion thereto. | 07-29-2010 |
20100194112 | VERTICAL AXIS TURBINE - This invention relates to vertical axis turbines particularly ones which are suitable for use in swirling conditions. The vertical turbine ( | 08-05-2010 |
20100201129 | IMMERSIBLE ENERGY GENERATION INSTALLATION - A submersible power generation plant includes a water turbine standing freely on a support structure in an ambient flow; an electric generator which is driven at least indirectly by the water turbine;
| 08-12-2010 |
20100201130 | SEA WAVES ENERGY CONVERTER - The conversion of wave energy in electrical or mechanical power is disclosed by means of the present subject-matter. When the sea wave is pushing up the floating cylinder ( | 08-12-2010 |
20100207390 | CONVERTER AND METHOD FOR CONVERTING MECHANICAL ENERGY INTO ELECTRICAL ENERGY - The present invention relates to a converter comprising a pump which is driven directly or indirectly by a natural force such as a water swell, it being possible for a hydraulic machine to be driven by the pump. The hydraulic machine is force-coupled to an electrical machine which may function as a generator or a motor. According to the present invention, the force acting on the pump is regulated via a control loop as a function of oscillation parameters of the natural force. | 08-19-2010 |
20100207391 | SMALL WAVE TURBINE SYSTEM CONFIGURATIONS - Extracting energy from waves, even large ones, is a challenge. The current application describes adjustments to wave turbine systems that work with small waves especially well. Configuring the waves, blades, and generators as part of the system is the subject of the current application. | 08-19-2010 |
20100207392 | OCEAN WAVE-POWERED ELECTRIC GENERATOR - Provided is a power generating device comprising a weight suspended from a buoy via a zip-line and at least two gears disposed on said zip-line which are coupled to a drive shafts, which in turn are coupled to an electric generator. The device converts the mechanical power of oscillating ocean waves into electricity. | 08-19-2010 |
20100219639 | TIDE ACTIVATED DEVICE TO OPERATE A TURBINE GENERATOR - A tide activated power system has a plurality of horizontally oriented cylinders that each have a pair of chambers. The cylinders are carried on float/weight barges that are located in a lagoon. A plurality of float/weight barges each have at least two cylinders in series. Each cylinder has a chamber holding a piston movable in the chamber defining a pair of variable size chambers: a flood variable size chamber and an ebb variable size chamber. As the float/weight barge rises and falls on the tide in the lagoon, the variable size chambers vary in size and force a working fluid to a turbine generator to create electrical energy. The piston of each of the multiple cylinders of the multiple barges forces combined to move the working fluid above the turbine generator where the flow drives the turbine generator prior to returning to the cylinder. In alternative embodiments, other mechanisms convert the energy from the rising and falling of the flow/weight barges to a non-uniform motion in one direction. The system can accumulate energy from the mechanism for converting the motion and converts the accumulating energy to another form of energy. | 09-02-2010 |
20100219640 | Electrical Power Generation via the Movement of a Fluid Body - Systems, processes, and techniques for harnessing the dynamic energy of a fluid body may be used to generate electric power. In particular implementations, harnessing the dynamic energy of a fluid body may include the ability to follow movements of a fluid body and pressurize a volume of fluid due to following the movement. The pressurized volume of fluid may be used, at least in part, to drive an electrical power generator. | 09-02-2010 |
20100225114 | HYBRID BEARING AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a hybrid bearing, comprising:
| 09-09-2010 |
20100225115 | WAVE POWER STATION - The device is applied in energetics for receiving electrical energy from the sea waves. The wave power station consists of a generator, coupled to an energy-receiving shaft, comprised of a definite number of energy-receiving modules, joint in series to each other, fixed on a common platform and each energy-receiving module consists of a flywheel ( | 09-09-2010 |
20100225116 | WAVE POWERED ELECTRIC GENERATOR SYSTEM - In a wave powered electric generator system, multiple floatation devices are interconnected by torque arms arranged to convert pivotal movement of the torque arms due to up and down movement of the floatation devices, into one-way rotational movement of electric generator shafts, the torque arms being configured to permit expansion and contraction of their lengths when exposed to sudden, severe axial forces. | 09-09-2010 |
20100237623 | OFFSHORE FLOATING OCEAN ENERGY SYSTEM - Embodiments of the present disclosure relate to the general art of energy storage and power generation, and in particular to systems for capturing and storing energy, for instance, offshore floating ocean energy systems. In various embodiments, such systems may include a pneumatically stabilized platform base coupled to a power generator and a potential energy storage device. | 09-23-2010 |
20100244450 | Wind and hydropower vessel plant - The disclosed embodiments relate to wind and hydropower vessel plant configured for generating renewable electrical energy. The wind and hydropower vessel plant comprises apparatus which relates to exposable turbine and/or submersible turbine configuration. Both turbines are incorporated in a system comprising a platform for producing renewable electrical energy that is storable and/or transportable. The disclosed embodiments further include production of hydrogen, methane, oxygen, desalinated water, salt and supplemental energy. | 09-30-2010 |
20100244451 | Ocean wave energy to electricity generator - A stationary structure comprising a frame supported by an ocean surface and a subsurface buoyant body while extending above the ocean surface, the frame supporting a buoyant body floating on the ocean surface and freely riding on the frame according to the ocean wave motion. The floatation body that moves with the waves and the linear motion of the waves are translated to rotational motion to energize a generator. When the water level changes, the generator and the associated mechanical and electrical to structure is automatically adjusted to maintain the effectiveness of the system. | 09-30-2010 |
20100259047 | Power take off apparatus for a WEC - A wave energy converter (WEC) includes a float which moves generally in phase with the waves and whose up and down motion is guided by and along a spar having an upper portion and a lower portion. A power take off (PTO) device is coupled between the float and the spar for converting their relative motion into useful energy. In some embodiments, the PTO includes (a) a drum having an axis of rotation rotatably mounted within one of the float and spar; and (b) cabling means connected between the drum and the other one of the float and spar for causing the drum to rotate as a function of the up and down motion of the float. In other embodiments, the PTO system is formed using a pre-tensioned roller chain wound around sprocket wheels located within one of the spar and float with the opposite ends of the chain connected to the other one of the spar and float to cause rotation of the sprocket wheels in response to movement of the float relative to the spar. | 10-14-2010 |
20100264657 | FLOATING MECHANICAL STRUCTURE TO PRODUCE DIRECTLY ELECTRICITY BY MEANS OF THE SWINGING OF A MAGNETIC PENDULUM CAUSED BY SEA WAVE MOTION - The invention refers to a floating mechanical structure suitable for realizing a mega-plant for generating electrical energy, by exploiting the relative motion of a large number of electromagnets mounted on a floating structure, with respect to a multiple number of permanent magnets incorporated in a pendulum suspended from the top of a trestle acting by magnetic induction on the electromagnets; the swings are provoked by wave action. | 10-21-2010 |
20100264658 | POWER STATION ON A SUBMERGED FLOATING PLATFORM - The invention relates to a power station on a submerged floating platform consisting of a floating structure ( | 10-21-2010 |
20100264659 | WEC with improved power take off apparatus - A wave energy converter (WEC) includes a float and a spar for guiding the up and down movement of the float in response to the waves. A power take off (PTO) device coupled between the float and the spar and mounted within one of the float and spar such that the PTO includes apparatus responsive to the mechanical interaction of the float with the portion of the spar in proximity to the float for converting their relative motion into useful energy. In one embodiment the PTO includes a linear rack extending along an external portion of the spar and a linear to rotary converter, mounted within the float, including a double sided toothed belt for engaging the rack and causing rotation of the rotary converter to drive an electric generator. In another embodiment the PTO includes tires mounted within the float which rotate as the float moves up and down. In another embodiment the PTO includes a rack and pinion arrangement with one of them connected to the spar and the other mounted in the float. | 10-21-2010 |
20100276933 | APARATUS FOR CONVERTING WAVE ENERGY - The invention is an apparatus and method for harnessing wave energy by transforming it in potential energy of water in a reservoir, to be converted in mechanical energy through a classical, proved in time, low head water turbine. The invention maximizes the throughput by raising the water head regardless of the unpredictable wave behavior, to a predictable head. The cost of it is greatly mitigated by sharing the facilities with wind power, desalination and hydrogen generating facilities as well as lodging facilities having all necessary ingredients generated on board. | 11-04-2010 |
20100283249 | SYSTEM AND METHOD FOR CONVERSION OF OCEAN WAVES INTO USABLE MECHANICAL ENERGY - A system for conversion of ocean waves into usable mechanical energy includes at least one weight configured for movement along a linear path having a determined length where an orientation of an angle of the linear path with respect to gravitational forces is varied by forces of the ocean waves in a manner to cause the at least one weight to travel along the linear path due to the gravitational forces. At least one linkage translates the travel into the usable mechanical energy. The travel is in two directions and the at least one linkage translates the travel in the two directions into the usable mechanical energy. The at least one weight may include a water tank filled with water for operation of the system and may be emptied for transportation of the system. The usable mechanical energy can be used to operate an electric generator to produce electricity. | 11-11-2010 |
20100289267 | INTEGRATED POWER SYSTEM COMBINING TIDAL POWER GENERATION AND OCEAN CURRENT POWER GENERATION - An integrated power system combining tidal power generation and ocean current power generation comprises: constructing barrages across the sea to make up a lake; installing turbine structures of a tidal power plant and sluice structures of a tidal power dam for generating electricity by using the potential energy difference between seawaters caused by tides and ebbs; forming an ocean current power park in a lake side by installing a plurality of ocean current generators, for generating electricity by using the flow of the seawater discharged through turbine generators, in a rear lake side of the turbine structures of the tidal power plant; and forming an ocean current power park in a sea side by installing ocean current generators, for generating electricity by using the seawater with the fast speed discharged into the sea through sluice gates, in a rear sea side of the sluice structures of the tidal power dam. | 11-18-2010 |
20100308588 | STABILIZATION OF TURBINES IN WATER - The present invention relates to devices and methods for using weights and cables for stabilizing turbines in water by attaching them to the ocean floor. | 12-09-2010 |
20100308589 | Heaving ocean wave energy converter - An ocean wave energy device uses large gas filled and surface vented or evacuated flexible containers having rigid movable ends and rigid fixed depth ends connected by flexible bellows, suitably reinforced against external hydrostatic pressure, submerged to a depth below anticipated wave troughs. One or more containers compress and expand as waves and troughs, respectively, pass overhead driving hydraulic or pneumatic, pumping means producing pressurized fluid flow for a common sea bed motor-generator or for other uses or on-board direct drive generators. Mechanical, hydraulic or pneumatic means re-expand said containers when a wave trough is overhead. Power output is augmented by mechanically connecting said rigid moving surfaces to surface floats, which may also provide said surface vent such that as waves lift and troughs lower said floats, said containers are further compressed and re-expanded, respectively. Depth fixing and adjustment means for tides and sea-states are provided. | 12-09-2010 |
20100308590 | Ocean wave energy converter capturing heave, surge and pitch motion - An ocean wave energy device uses large gas filled and surface vented or partially evacuated flexible containers each having rigid movable ends and rigid fixed depth ends connected by flexible bellows, suitably reinforced against external hydrostatic pressure, submerged to a depth below anticipated wave troughs. One or more said containers compress and expand as waves and troughs, respectively, pass overhead driving hydraulic or pneumatic, pumping means producing pressurized fluid flow for a common sea bed motor-generator or for other uses or on-board direct drive generators. Mechanical, hydraulic or pneumatic means re-expand said containers when a wave trough is overhead. Power output is augmented by mechanically connecting said rigid moving surfaces to surface floats, which may also provide said submerged container venting such that as waves lift and troughs lower said floats, said containers are further compressed and re-expanded, respectively. Power output is further augmented by wave kinetic energy capture through focusing, reflection and refraction. | 12-09-2010 |
20100320765 | 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 positive guidance of an oscillating water column, wherein the chamber which is closed in itself below the surface of the water has an opening through which water flows into the chamber and then out again, and a means for taking mechanical energy from the oscillating water column and for converting the mechanical energy into electrical energy. The generating installation according to the invention is distinguished in that the means includes a float body device carried by the water column and a linear generator having a stator and an actuator, wherein the float body device is mechanically operatively connected to the actuator of the linear generator and the actuator for generating electrical energy is reciprocatingly movable by the movement of the float body device relative to the stator of the linear generator. | 12-23-2010 |
20100320766 | Device for Collecting Swell Energy - The invention relates to a device for collecting swell energy, that comprises a float, a turbine mounted under the float and adapted for moving relative to the float when the float is moved by the swell, and a power generator driven by the turbine. The turbine is rotatingly mounted about a vertical rotation axis, said turbine being adapted so that a tilting motion of the float always results in a torque applied onto the turbine in a single predetermined rotation direction. | 12-23-2010 |
20100327594 | COMPLEX OCEAN POWER SYSTEM COMBINING SLUICE POWER AND OCEAN CURRENT POWER - There is provided with a complex ocean power system combining ocean current power generation for generating electricity by forming a plurality of ocean current generators in front and rear of sluice structures of tidal power dams and sluice power generation for generating electricity by forming a plurality of ocean current generators in sluice conduits of the sluice structures, comprising: constructing barrages, which cross over the sea, to make up a lake; installing sluice structures of tidal power dams between the barrages | 12-30-2010 |
20100327595 | WAVE POWER GENERATOR - The invention relates to a device for generating electricity from the force of waves, comprising a first floating component ( | 12-30-2010 |
20110006531 | FREE FLOATING WAVE ENERGY CONVERTER - A wave energy converter includes a flexible pipe and an inlet. The flexible pipe floats on the water surface, following the wave form. Slugs of water and air enter, one after the other, through the inlet. Because the flexible pipe follows the shape of the wave, water is transported through a manifold to a pressure chamber connected to a generator. The inlet consists of a hollow, inflexible pipe attached to the throat of the flexible pipe. The inflexible pipe is fixedly attached to a buoyancy tank or plurality thereof. The buoyancy tanks are arranged in a vertical plane or in tandem, with the inflexible pipe passing along the plane vertical to the fore and aft axis of the buoyancy tank and the frontward portion projecting sufficiently ahead of the buoyancy tank with the flexible pipe terminating at a singular outlet. The entire apparatus is facing towards the oncoming waves. | 01-13-2011 |
20110006532 | ENERGY EXTRACTION APPARATUS AND METHOD - An apparatus and method for extracting energy from fluid motion comprising a deformable body adapted to be deformed by fluid motion, wherein the deformation of the deformable body is arranged to drive at least one energy medium to be delivered to an energy output; and wherein the energy medium is controllable in order to control at least one dynamic response of the deformable body. | 01-13-2011 |
20110012357 | TIDAL POWER GENERATOR - The tidal power generator includes a hollow container, an impeller designed for unidirectional rotation, an electric generator fixed in the container, and a chargeable power source. A first opening and an opposite second opening are defined in the container. The impeller is positioned at the second opening and configured for unidirectionally rotating pushed by air flow. The electric generator includes a stator and a rotor extending from the stator. The rotor is fixedly connected to the impeller. The rotor rotates with rotation of the impeller so that the stator outputs electrical energy. The power source is configured for storing the output electrical energy. | 01-20-2011 |
20110012358 | WAVE ENERGY CONVERSION DEVICE - A wave energy conversion apparatus comprising:—one or more movable buoyant members; one or more movable reaction masses located independent of the sea bed; said one or more reaction masses being suspended beneath said one or more buoyant members by a plurality of linkages, each linkage comprising an elongate non-rigid member which allows the or each buoyant member and the or each reaction mass to each move relative to one another; at least two of said linkages extending between the or one of said one or more buoyant members and the or one of said one or more reaction masses at an orientation inclined to the vertical; each linkage comprising, or being associated with, at least one extensible member whereby the effective length of each linkage can vary between an extended and a non-extended configuration such that the or each reaction mass can move with respect to the or each buoyant member in both a vertical and a horizontal direction, the extensible member providing a restoring force for biasing the linkage to a non-extended configuration whereby the linkage is maintained in tension, and one or more converters for converting kinetic energy of relative movement between the or each buoyant member and the or each reaction mass into useful power. | 01-20-2011 |
20110018275 | Wave Power Plant and Transmission - A wave energy converter includes a buoy and a transmission unit. In the transmission unit there is a driveshaft, which is driven to rotate either when the buoy rises or sinks, yet always in the same direction. The driveshaft is mechanically coupled to one of the rotating parts of an electric generator and drives this to generate electric current. Further on there is an energy accumulation device, which is also coupled to the driveshaft to accumulate energy when the buoy rises or sinks and the driveshaft rotates and which is then used to drive the generator at the other of the rising and sinking motions. The coupling between the energy accumulation device and the driveshaft can go by the generator's second rotatable part, the air gap between the generator's parts and the generator's first part. The coupling over the air gap gives a torque, which drives the second part to rotate along and which also counteracts the rotation of the driveshaft. The generator's second part is driven by the energy accumulation device to rotate in the other direction, when the torque from the driveshaft does not exceed the counteracting torque. | 01-27-2011 |
20110018276 | WAVE POWER ENERGY GENERATION APPARATUS - The present invention relates to a wave energy conversion device ( | 01-27-2011 |
20110031750 | WAVE POWERED ELECTRICITY GENERATION - The generation of electricity using waves on a body of water is disclosed herein. Two flotation devices floating on a body of water are each attached to cables that extend to anchors at an ocean/sea/lake floor. The cables slideably attach to the anchors, further extend along the floor, and then connect to a stationary generator station located on or near land adjacent the body of water. As the waves propagate on the water, each of the flotation devices moves in an elliptical fashion as each wave passes underneath each flotation device. The periodic oscillatory motion of each of the flotation devices causes the cables to likewise periodically retract and extend from the station. The periodic retraction/extension of the cables provides the mechanical power necessary for the station to generate electricity. The station includes mechanical and electrical equipment associated with the wave-powered electricity generation system, including an electrical generator. | 02-10-2011 |
20110031751 | MOVABLE OBJECT TYPE HIGH-EFFICIENCY WAVE ENERGY APPARATUS - Disclosed is a movable object type high-efficiency wave energy apparatus which further accelerates vibration of floating bodies according to vibration of waves to maximize electric power generation efficiency. | 02-10-2011 |
20110031752 | MARITIME GENERATOR - This device is composed by a floating platform(s) ( | 02-10-2011 |
20110037266 | OFFSHORE COMBINED POWER GENERATION SYSTEM - A combined offshore system for generating electricity includes of an offshore windmill unit with a generator for extracting power from wind and transferring it into electricity, a electricity export cable connected to the windmill for exporting produced electricity to offshore or onshore consumers, and at least one offshore wave power unit for extracting power from waves. This offshore wave power unit is characterized in that electricity produced by the wave power unit is transferred via the same electricity export cable as the electricity generated by the windmill unit. | 02-17-2011 |
20110042954 | Wave Action Electric Generating System - A wave action electric generating system comprises a platform for floating on water, the platform being subject to rocking from side to side from wave action; an electric generator; a rigid arm for extending over the water, the arm including a first end pivotally attached to the platform with a first pivot shaft; a buoyant member for being disposed on the water and pivotally connected to a second end of the arm with a second pivot shaft operably attached to the arm, the member when floating on water rises and falls with the waves, thereby alternately moving the arm about the first pivot shaft clockwise and counterclockwise; and a power converter for converting the moving of the arm to an output to drive the generator. | 02-24-2011 |
20110042955 | MARINE ENERGY EXTRACTION SYSTEMS AND UNITS - A floating at sea or beached structure having hydraulic power cells capable of capturing, dissipating and distributing wave action energy comprising flexible mats with energy capture cells all preferably constructed of elastic structural and, where necessary, flotation materials with distributed energy being in the form of a pressurized hydraulic stream. | 02-24-2011 |
20110049896 | HYDRODYNAMIC ARRAY - There are a large number of sites in the world's oceans and rivers that can provide a significant, viable, and cost effective source of renewable energy. Many are strategically located close to populated areas where these sites can be used to harness energy using ecologically benign hydrodynamic technology. A hydrodynamic array comprises multiple hydrodynamic elements for producing electricity by the motion of ocean tides or river currents and forces acting on the hydrodynamic array, which is immersed in ocean tides or river currents and which is in motion relative to the ocean tides or river currents. | 03-03-2011 |
20110049897 | OCEAN ENERGY SYSTEM AND METHOD - A wave energy system and method are provided that have a main body that floats on the surface of the ocean and generates energy due to the motion of the crests and troughs of the ocean. | 03-03-2011 |
20110049898 | DEVICE FOR CONVERTING WAVE ENERGY INTO MECHANICAL ENERGY - A wave power plant for extracting power from the wave movement of a water surface area, said wave power plant comprising a frame construction in which at least one rotor is journalled, and wherein the rotor is suspended in the frame construction on a rotor shaft which is, in the normal use situation of the wave power plant, essentially horizontal to the effect that the rotor is able to rotate about the rotor shaft which is retained in the frame construction, and wherein means are configured for maintaining each of the rotors partially immersed in a water surface area. The invention provides increased output efficiency of such wave power plant by the rotors being mounted on the rotor shaft via a free-running mechanism which is configured such that the rotor is able to transfer momentum to the rotor shaft essentially only when it rotates the one way about the rotor shaft. | 03-03-2011 |
20110057447 | FLOATING DEVICE FOR HARNESSING SWELL ENERGY BY LATERAL OVERFLOW - Floating device for harnessing swell energy by lateral overflow, said device being formed by hulls which converge in plan view and have a variable freeboard between which the waves propagate. The convergence produces a gradual increase in the height of the wave as it propagates between the hulls, which, together with the reduction in the freeboard from a particular section of said hulls, gives rise to the lateral overflow of the mass of water of the crest over their rails, which is collected in tanks which are at different heights (in accordance with the reduction in the freeboard) and are connected to the corresponding turbines. The angle of convergence between the hulls can be varied in order to be adapted to the sea state. The harnessing system is supplemented with a connecting closure ramp between the sterns of the hulls in order to collect the water which has previously not managed to overflow the structure. | 03-10-2011 |
20110057448 | Wave energy converters - Wave energy, converters are arranged as a plurality of coupled float members arranged in a two dimensional array. Link couplings between any float member and its neighbors drive a mechanical system to convert the disorganized motion due to heaving and bobbing of the float member on the ocean's surface into linear reciprocating motion in orthogonal directions. Such linear reciprocating motion is converted to electricity in an induction system having a mover and a stator—either being an inductor, the other being a magnet. The array is preferably provided to cover large surface areas whereby energy from incident ocean waves is appreciably absorbed at the float member an converted to mechanical motion. The array may be held to the ocean floor by a mooring or anchor system immediately offshore or up to a few tens of kilometers from the shoreline. Electricity provided at the array may be conveyed to shore via a submarine power transmission cable where it may be distributed and consumed on the public grid. | 03-10-2011 |
20110062713 | WAVE ENERGY ABSORBER - A wave-power unit for extracting in an efficient way energy from waves on a water surface in different offshore conditions, including a main buoyant structure moored to the seabed with taut mooring lines and placed at a submerged, wave active depth, a linear generator placed within the buoyant structure and activated via a taut mooring line. The unit also includes a power take off cable connected to the linear generator and leading via the seabed to shore, and is characterized in that the buoyant structure is provided with fixed buoyancy and with elements to vary the surface of the buoyant structure that is exposed to the dynamic pressure of the wave, to optimize the surface for an efficient power take-off for more than one wave frequency and to control the tension in the taut mooring lines. | 03-17-2011 |
20110062714 | ENERGY CONVERTER DEVICE - An energy converter device includes a reactive hydraulic power transformer ( | 03-17-2011 |
20110068578 | Wave Energy Conversion Device - Wave energy conversion device (WEC) comprising a means for damping the reactionary motion of a wave energy conversion device to wave motion, which is a cylindrical bellowed elastomeric member that acts under axial compression. | 03-24-2011 |
20110068579 | Ocean Wave Energy Converter - An ocean wave energy converter comprising a structure that is supported above the water and has means to stabilise the structure, an array of guided independently operated elongate floats that operate from the structure above via two or more guidance arms, each guidance arm is attached to the structure so that the floats pivot about the horizontal axis parallel the length of the floats, each float is attached to the guidance arms at the centre of buoyancy of the float, and the floats are substantially parallel to the wave fronts. | 03-24-2011 |
20110074159 | Wave Energy Conversion System - An underwater wave energy converter (WEC) ( | 03-31-2011 |
20110074160 | WAVE ENERGY CONVERSION PLANT - The present invention provides a structure driven by floats placed in a body of water such as a sea, an ocean or the like for converting wave energy into electricity. The structure comprises a floating body to float and stabilize the structure in the water wherein a platform is provided to house and hold energy conversion systems and mechanisms. The mechanisms include a plurality of pontoons that moves with the waves. | 03-31-2011 |
20110084488 | Wave energy converter and power take off system - A wave energy converter (WEC) includes a float tending to move in phase with the waves, a spar tending to move out of phase with the float and power take off device (PTO) coupled between the float and spar for converting their relative motion into useful energy. The PTO includes a rack and pinion mechanism which drives a high-torque, multi-pole, permanent magnet generator (PMG) to produce electrical signals of relatively high frequency relative to the frequency of the waves and the basic motion of the rack and pinion mechanism. In accordance with one aspect of the invention, the rack and pinion mechanism may be located within the spar which may be hermetically sealed by a sealing mechanism which allows a thrust rod coupled between the float and spar to move up and down with little friction to ensure efficient operation. In addition, a braking arrangement is provided for inhibiting relative motion between the float and spar during extreme severe wave conditions. In this way, the pinion gears and generators need only be sized for the operational wave conditions. | 04-14-2011 |
20110089696 | Power generating buoy - An electric power generating buoy capable of generating power by scavenging energy from ocean wave motion. The power generating buoy includes float element adapted to float up and down following wave motion and an electric generator system with a spring loaded spool mechanism adapted to drive the rotor of the electric generator. It also includes an anchor element and a tension element attached to an anchor and the spring loaded spool mechanism and adapted to spin the spring loaded spool mechanism to generate electric current when wave action causes the float element to rise relative to the anchor element. Preferred embodiments of the buoy will deliver a minimum of 100 Watts of average power from the wave motion characteristic of moderate sea state (sea state 3), with less power from slight sea state (sea state 2) and more power from higher sea states. The basic power generation scheme will rely on harnessing the mechanical energy of the wave as it repeatedly pushes the buoyant surface float against a ballast force through the distance corresponding to the wave height. | 04-21-2011 |
20110089697 | METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES - A method and device for generating electricity from ocean waves. The device includes at least one magnetostrictive element and one or more electrically conductive coils or circuits. When the magnetostrictive element is deployed in a body of water, the motion of the body of water, including wave motion, causes changes in the strain of the magnetostrictive element. The electrically conductive coil or circuit is within the vicinity of the magnetostrictive element. A corresponding change in magnetic field around the magnetostrictive element generates an electric voltage and/or electric current in the electrically conductive coil or circuit. | 04-21-2011 |
20110095534 | Wave energy device - A generating breakwater has a pressure duct of steel plate, with a closed upstream end and a turbine and generator at the downstream end. In use it is anchored via cables to face obliquely into the direction W of incident waves. Along the length of the duct are arrayed wave collectors, which face obliquely with respect to the length of the duct, whereby the length of upstream sides of the collector to upstream ends of bends is greater than downstream sides, the bends connecting the trumpets to the duct. The sides are interconnected, one downstream one to the next to upstream one along the length of the device. The bends are narrower at their upstream ends than the mouths of the collectors, giving the latter a tapered shape in plan. | 04-28-2011 |
20110101696 | WAVE POWER PLANT AND METHOD FOR OPERATING THE SAME - The invention concerns a method for operating a wave power station comrising
| 05-05-2011 |
20110115229 | WAVE POWERED ELECTRICAL GENERATOR - A wave powered electrical generator includes: a floating unit that floats in water and accommodates a power generator therein. The floating unit has a wave power system that includes, a chamber containing fluid, a free-floating mass provided in the chamber that separates the chamber into first and second chambers defined at each side of the mass, a first valve that allows the fluid in the first chamber to be discharged from the first chamber as the free-floating mass moves toward the first chamber, and a second valve that allows the fluid in the second chamber to be discharged from the second chamber as the free-floating mass moves toward the second chamber. The fluid discharged through the first and second valves flows into a pipe that discharges the received fluid from an end thereof against a turbine attached to a power generator. | 05-19-2011 |
20110121572 | Wave Motion Power Generator - A power generation system is provided that can capture and convert kinetic energy from waves in open water into hydraulic or electrical energy. The system includes one or more platforms that include buoyant arms which extend outwardly from the platform for interaction with waves passing around and beneath the platform. The arms are pivotally secured to the platform and are capable of moving between points above and below the still water level in order to more effectively contact, i.e., float on, the waves as they pass. Opposite the waves, the arms are operably connected to a hydraulic system in order that the fluid in the hydraulic system is effectively pumped by the motion of the arms as a result of the movement of arms resulting from their interaction with the waves. In turn, the hydraulic fluid pumped by the arms serves to operate a hydraulic motor that drives an electric power generator that provides an easily transportable source of power that can be directed to any suitable power transfer station. | 05-26-2011 |
20110121573 | Device for harnessing ocean wave energy for generation of electricity - There is disclosed a hydro-electric generating device comprising -a solid plate fixedly supporting two bearings, which bearings rotatably support a shaft, the plate has a cutout fillable with water subjected to wave motions; -a turbine fixed on the shaft. The turbine has a plurality of blades disposed in the cutout. The device further comprises -a transmission, kinematically connected to the shaft, -an electrical generator mounted on the plate and driven by the transmission, and -a forklift furnished with wheels. The plate is secured on the forklift, and the forklift provides for a three-dimension adjustment that constitutes --relocation of the generating device along the coastal line, --displacement of the generating device from and to the current waterline, and --vertical displacement of the plate and turbine of the generating device depending upon the current wave height. The device can be supplemented by a mat placeable on the coastal surface. | 05-26-2011 |
20110133463 | METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES - A method and device for generating electricity from ocean waves. The device includes at least one magnetostrictive element and one or more electrically conductive coils or circuits. When the magnetostrictive element is deployed in a body of water, the motion of the body of water, including wave motion, causes changes in the strain of the magnetostrictive element. The electrically conductive coil or circuit is within the vicinity of the magnetostrictive element. A corresponding change in magnetic field around the magnetostrictive element generates an electric voltage and/or electric current in the electrically conductive coil or circuit. | 06-09-2011 |
20110156395 | WATER WAVE POWER PLANT SYSTEM - A water wave power plant system includes a first guide rail, a first clockwise freewheel, a first counterclockwise freewheel, a first buoy queued through the through-hole by the first guide rail, first right and left roller, a first chain belt having engaging the first clockwise freewheel, the first counterclockwise freewheel, the first right roller, and the first left roller on the first plane, and corresponding second set of equivalent elements to tap the water wave energy in an opposite direction. The first buoy and the second buoy are disposed on the first chain belt and the second chain belt, such that the first and the second buoy move oppositely from each other by a water wave. | 06-30-2011 |
20110156396 | POWER GENERATOR - A gyroscopic device may be used as a power generator. In some embodiments there is provided a power generator which comprises a housing, a flywheel disposed within the housing and rotatable about an extending along a first axis, a precessional rotation assembly to implement rotation of the housing about a precessional axis of the flywheel, and a precessional generator to capture energy generated by the precessional rotation of the housing. Other embodiments may be described. | 06-30-2011 |
20110163547 | APPARATUS FOR CONVERTING THE ENERGY OF WAVES ON A BODY OF WATER - An apparatus converting the energy of waves on an open body of water includes a submerged articulated frame or frames formed of rods arranged largely in a parallelogram. The frame or frames are arranged so that as a wave passes the frames, the frames are distorted by having their rods rotate about connecting pivot points and so move toward and away (as well as relative to) from each other. This movement is then converted into energy. In alternate embodiments, multiple interconnected frames are provided, each pivoting in a respective plane. | 07-07-2011 |
20110169265 | SEESAW-TYPE WAVE POWER GENERATING DEVICE - A seesaw-type wave power generating device ( | 07-14-2011 |
20110169266 | Method and Apparatus for Harnessing Hydro-kinetic Energy - Apparatus and method is disclosed for generating usable power derived from oscillatory hydro-kinetic energy available in the movement of waves having a given height and being spaced apart by a predetermined distance at the surface of a body of water. Apparatus and method is disclosed for generating usable power derived from hydro-kinetic energy available in a body of water moving in at least one direction of movement, the at least one direction being substantially horizontal or substantially vertical. Apparatus and method is disclosed for generating usable power derived from hydro-gravitational forces available at a site having a source of water at a first elevation higher than a second elevation at a selected location where the usable power is to be derived. | 07-14-2011 |
20110175359 | Ocean wave energy extractor - An ocean wave energy extractor includes a first flotation device that contains a second flotation device and a mechanism for extracting energy. The wave energy extractor floats in seawater and extracts energy from waves. A propagating wave rotates the first flotation device relative to the second flotation device. The mechanism is connected to both flotation devices and generates energy from this relative rotation. In one example, a first flotation device includes a spherical chamber with a flotation collar, and a second flotation device supported by a joint at a center of the chamber. A wave approaching from any direction rotates the first flotation device relative to the second flotation device, and a mechanism for extracting energy generates electrical energy from the relative rotation. The chamber shields inner components from seawater and adverse ocean conditions. The wave energy extractor need not be moored to a location to extract energy from waves. | 07-21-2011 |
20110175360 | WAVE-POWER UNIT - The invention relates to a wave-power unit with a floating body ( | 07-21-2011 |
20110193347 | A WAVE-POWER UNIT, AND A USE OF A SUCH - The invention relates to a wave-power unit for the production of electric power. It comprises a floating body arranged for floating on the sea and an electric linear generator with a stator ( | 08-11-2011 |
20110193348 | WAVE POWERED ELECTRICAL GENERATOR - A wave powered electrical generator includes: a floating unit that floats in water and accommodates a power generator therein. The floating unit has a wave power system that includes, a chamber containing fluid, a free-floating mass provided in the chamber that separates the chamber into first and second chambers defined at each side of the mass, a first valve that allows the fluid in the first chamber to be discharged from the first chamber as the free-floating mass moves toward the first chamber, and a second valve that allows the fluid in the second chamber to be discharged from the second chamber as the free-floating mass moves toward the second chamber. The fluid discharged through the first and second valves flows into a pipe that discharges the received fluid from an end thereof against a turbine attached to a power generator. | 08-11-2011 |
20110198849 | Device For The Utilisation Of Wave Energy And A Method - The invention relates to a device for the utilisation of wave energy, with an increased efficiency. Thereto, the device according to the invention comprises
| 08-18-2011 |
20110198850 | WAVE-POWER UNIT - The invention relates to a wave-power unit for the production of electric power. It comprises a floating body ( | 08-18-2011 |
20110198851 | Device for Generating Electric Energy from a Renewable Source - A device for generating electric energy ( | 08-18-2011 |
20110198852 | ENERGY CONVERTER BASED ON POLYURETHANE SOLUTIONS - The present invention relates to a method for producing electromechanical converters, to the use of solutions of at least one polyurethane in one or more organic solvents to produce electromechanical converters, to electromechanical converters produced therefrom and to the use of such electromechanical converters. | 08-18-2011 |
20110204643 | APPARATUS FOR CONVERTING OCEAN WAVE ENERGY - The purpose of this invention is to present a device for utilisation of the horizontal component of wave motions in which there is no proportionality between the installed power and the initial costs of the device. According to the invention, this is obtained with a device which contains at least one oblong supporting structure and three or more independently movable resistance elements. | 08-25-2011 |
20110204644 | INTEGRATED GENERATOR DEVICE FOR PRODUCING ENERGY FROM ZERO-EMISSION RENEWABLE ALTERNATIVE SOURCES RESPECTING AND PRESERVING THE ENVIRONMENT - An energy generator for generating energy from renewable alternative sources, includes: a flotable platform adapted to be partially immersed in a fluid; a tower element arranged on the platform and including at least one wind generator for collecting wind energy and converting the same into electric energy, at least one first energy accumulator and at least one inverter. The energy generator further includes at least one system for storing and converting mechanical energy; the system for storing and converting mechanical energy including at least one charge mechanical accumulator, at least one flywheel balance coupled with the charge mechanical accumulator and a device for converting mechanical energy into electric energy. The wave motion or the stream of fluid where the platform is immersed determines an oscillating movement of the platform, of the tower element and of the at least one balance to charge the mechanical accumulator, which in turn releases the energy produced by its movement to the device for converting mechanical energy. | 08-25-2011 |
20110215580 | SYSTEM FOR CONVERTING OCEAN WAVE ENERGY TO ELECTRIC POWER - One embodiment of the present invention consists of a system of small, interconnected cubes, each containing interior walls made from a highly sensitive multi-layer piezoelectric material and each having heavy mass, such as stainless steel, inside the cube interior. An elastic material layer covers the heavy internal mass that is in contact with the piezoelectric cube walls. As the system moves with the water, the heavy mass inside each cube exerts varying inertial forces on the cube walls causing a piezoelectric current to be generated. However, the cell walls may also be constructed using commercially available piezoelectric materials. This approach is a second embodiment of the current invention and includes the same system design as the first embodiment except that the internal cubic cell walls are fabricated in a unique manner using commercially available piezoelectric materials, rather than the non-central symmetric LB poly-vinylidene fluoride (PVDF) multilayer piezoelectric material. | 09-08-2011 |
20110215581 | OCEAN WAVE POWER DEVICE - An ocean wave power device, including a floating body, an electric generator, multiple water wheels, and a hydraulic accelerator, the electric generator is fixed on the floating body, the rotating shaft is disposed between the hydraulic accelerator and the floating body, and capable of rotating with respect to the floating body and the hydraulic accelerator, the top of the rotating shaft passes through the floating body and is connected to a rotor of the electric generator, the bottom of the rotating shaft passes through the hydraulic accelerator and is fixedly connected to the water wheel, a water channel is disposed on the hydraulic accelerator, and operates to form high-speed flow whereby driving the water wheels to rotate in the same direction. | 09-08-2011 |
20110221199 | Self-propelled, laterally deployed, ocean wave energy converting power plant / beach replenishment system / oil spill containment boom - Deployed laterally (broadside to the waves), this power plant hydraulically converts the breadth of waves into electricity. Costly hydraulic motors, generators Etc. need not be duplicated for each unit in series. Depleted waves break gently. Sand put into suspension by the turbulent release of energy from waves crashing onto un-harvested beaches, carried by the alongshore current to calm water, settles and remains. Replenishment is the natural by-product of wave energy conversion, avoiding costly, environmentally intrusive dredging and pumping. At sea, extensions aid energy harvesting from swells. In series, it defends against oil spills Etc. from washing up onto beaches. Free floating, easily removed for maintenance when tourism takes priority over energy, beach replenishment and oil spill protection. When the series is to be transported over long distances at sea, inclined planes can be pivoted 90 degrees enabling the series to be self-propelled by the swells to its new site. | 09-15-2011 |
20110221200 | Two-way generation tidal power plant with bypasses - The invention is a two-way generation tidal power plant with bypasses participating in generation. The preferred embodiment of such a tidal power plant has a power house with one-way turbines and additional head and tail reservoirs formed by additional barrages in the basin and the outer bay. The purpose of this invention is to increase the energy production per each tidal cycle and the water volume used for it. The closer this water volume to the water volume filling and emptying the basin under natural conditions without barrage, the smaller is the environmental impact of the tidal power plant. In order to achieve this, the main barrage is equipped with bypasses, the sluices passing water during the final phases of the ebb and the flood generations in parallel to the power house turbines and having a discharge capacity up to 15 times higher than the discharge capacity of the turbines. | 09-15-2011 |
20110241346 | APPARATUS FOR CAPTURING WAVE ENERGY - The present invention relates to a platform for capturing wave energy suitable for deep and ultra-deep bodies of water, comprising a cover ( | 10-06-2011 |
20110241347 | 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 turbine featuring in operation mode a blade and rotor part mounted at the top of a tower and being connected via a cable to a central control power electronic unit on the floating open structure, the central control power unit being connected to a submerged high voltage power export cable for exporting the electricity generated by the at least two windmills, characterized in that the floating open structure being connectable to or disconnectable from the mooring system and that when disconnected from the mooring system, the center of gravity of the floating open structure is at or below its center of buoyancy. | 10-06-2011 |
20110248503 | Wave driven pump and power generation system - A piston pump is anchored to the ocean floor with the piston rod connected to a float that rides on the surface waves. The pump connects to a sparge line that discharges a spray of water through the float to indicate proper pump function. The float is formed with a conical upper portion and a conical lower portion and has an annular resilient rim. An array of pumps sends water under pressure through an aquaduct to an onshore electric power generation station, optionally including a reservoir. Water is returned from the generation station to the vicinity from which it was pumped. | 10-13-2011 |
20110248504 | TIDAL CURRENT POWER GENERATOR HAVING AN IMPELLER-TYPE ROTATING BLADE - A tidal current power generator according to an embodiment of the present invention includes: a generator column; an impeller-type rotating blade provided on the upper portion of the generator column; and a first sealed chamber having a bottom portion formed with a lower inlet into which a rotating shaft of the impeller-type rotating blade is vertically introduced and having an inner space in which a vertical shaft generator is disposed to produce electrical energy from the rotational motion of the rotating shaft of the impeller-type rotating blade. | 10-13-2011 |
20110254275 | Portable wave-swash & coastal-wind energy harvester - 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. | 10-20-2011 |
20110266803 | MARITIME DEVICE FOR PRODUCING ELECTRIC POWER - An energy accumulator and rectifier equipment for converting and generating renewable energy from ocean waves and winds, which includes a storage tank or compressed air accumulator, a series of vertical tubes filled with non-compressible fluid so that it can displace movable elements, forming a group, wherein each group is in connection with another similar group at both the upper level and the lower level by means of a fluid circulation pipes and by means of a pipe of smaller diameter, at the upper and lower portion, for air circulation, and wherein the fluid circulation pipes of every group are attached to a common pipe at the upper level which conveys the fluid toward a turbine-generator to produce electricity and a common pipe at the lower level to recirculate fluid toward the cylinders. | 11-03-2011 |
20110272945 | Ortiz turbine - A turbine that will produce useful mechanical force from the dynamic force of the sea wave. This is done by rectifying the bidirectional force obtained from such wave. This turbine will produce a unidirectional rotation from the bidirectional force of the wave. The turbine will adjust the pitch of its blades automatically as the air flow inside the pipe changes direction, The air flow will change the pitch of the blade, because the blade is mounted on a shaft through ball bearings. Because the blade is acting like a flag on a pole that has a long tail and also the blade has a long tail and will always change its direction in accord to the direction of the air flow. | 11-10-2011 |
20110278847 | Radial flux permanent magnet alternator with dielectric stator block - An energy conversion system is described and includes a cylindrical rotor having a mass and multiple magnets affixed on an outer face thereof; a cylindrical stator including a dielectric cylinder wound with copper wire in a predetermined configuration, the cylindrical rotor being placed within the cylindrical stator; and a rotatable shaft for rotating the rotor, the rotatable shaft being placed in the center of the cylindrical rotor. The system harvests environmental energy for lower power generation and accounts for non-mechanical sources of rotational resistance within the generator. | 11-17-2011 |
20110278848 | Wave Energy Converting Assembly - The invention describes a wave energy converting assembly which has a simple and rugged structure with high efficiency, which generates a high rotary speed of the generator and which moreover is suitable for a wide range of wavelengths and amplitudes. A further embodiment of the invention describes a wave energy converting assembly which can utilize the wave drift and has special flow floats. | 11-17-2011 |
20110291417 | DEVICE FOR CONVERSION OF WAVE ENERGY - A device for conversion of energy of a wave of water comprises a front ( | 12-01-2011 |
20110291418 | POWER GENERATOR - It is an object of the present invention to provide a power generator so as to be preferably utilized as a small facility of low capacitance. A power generator comprises a float F that is placed on a surface of the sea, supporting members S, S, . . . that is mounted on the float F, and a movable member M that is supported by the supporting members S, S, . . . and can be movable by the swing motion of the float F caused by waves. | 12-01-2011 |
20110291419 | HYDROELECTRIC TURBINE WITH ALIGNING MEANS - The present invention is concerned with a hydroelectric turbine system with aligning means which enables a hydroelectric turbine system, comprising a base and a turbine mounted thereon, to be lowered to the seabed in a running tide while effecting and maintaining stability and a desired orientation of the system. | 12-01-2011 |
20110298215 | NEAR SHORE WEC SYSTEM - Systems are described for obtaining energy from water movements in shallow waters, using panels ( | 12-08-2011 |
20110298216 | METHOD OF SECURING A HYDROELECTRIC TURBINE AT A DEPLOYMENT SITE - The present invention provides a method of securing a hydroelectric turbine at a deployment site, for example on the seabed and in an area of significant tidal flow, which method enables the turbine to be located securely without risk of overturning or sliding out of position, but without requiring the use of piling or other complex fixing operations, by using the tidal flow to generate a downwardly acting force on one or more legs of a base on which the turbine is mounted. | 12-08-2011 |
20110304144 | Method and apparatus for converting ocean wave energy into electricity - A power-generating device located in or on the surface of the ocean for generating power utilizing the energy in ocean wave motion. The device is moored to the bow and stern at ˜45° to incoming ocean waves, and with a yawing capability to adjust to change in wave direction. The device delivers power to a shore grid via a submarine cable from a generator. A rotational driving torque to the generator is produced by two long counter-rotating drive tubes, which are held by bearings in the bow hull and the stern hull of the device. As an alternative, hydraulics may be employed for energy capture and power smoothing and used to provide the rotational torque through a hydraulic motor to drive a generator. The main body is partially submerged and has multiple pod floats connected to the structure by rocker arms with bearings through which the drive tubes pass or double-acting hydraulic rams between the arms and the main body, which capture energy through pod displacement and store it in accumulators. Rotary torque of the drive tubes is produced when the pods move up and down according to motion of the waves and is transmitted to the generator to generate power. In the hydraulic case, energy is stored in accumulators as pressure due to the double-acting hydraulic pistons pumping when the pods move up and down according to the motion of the waves. Hydraulic pressure drives a pump, which provides torque to the generator. | 12-15-2011 |
20110304145 | METHODS AND DEVICES FOR CONVERTING WAVE ENERGY INTO ROTATIONAL ENERGY - The invention discloses devices and methods for converting wave energy to rotational energy. Specifically, the invention allows for two or more flotation elements to move in opposite directions in response to a wave contacting a wave energy transducer according to embodiments of the present invention. Motion of the flotation elements leads to rotation of associated wheel assemblies, thus allowing for generation of rotational energy and by extension, electricity. | 12-15-2011 |
20110316280 | Water-Wave/Flowing-Water Energy Transformer - The present invention is a device and a method of generating large scale power plant using the energy content in ocean waves or river-channel flows. Ocean waves or flowing waters are used to generate compressed air. The pressurized air is then piped to shore and stored in large pressure tanks to be used in a buoyancy driven wheel rings. The wheel rings, which are located inside a large water reservoir, are spaced from each other and have series of receptacles or buckets connected to them. The high pressure air is injected at the bottom of the reservoir and the rising air is trapped inside the receptacles. The gas filled receptacles generate buoyancy forces which rotates the wheels and the central shaft to generate power. | 12-29-2011 |
20110316281 | APPARATUS FOR GENERATING ELECTICITY FROM A TIDAL WATER FLOW - Apparatus ( | 12-29-2011 |
20120001431 | METHOD AND APPARATUS FOR ENERGY GENERATION - A wave energy generator is disclosed with one or more wave follower connected to a fixed structure such as the leg or jacket of a wind turbine, and an energy converter to convert kinetic energy from the movement of the wave followers into electric energy, wherein the wave follower is connected to the fixed structure through an adjustment mechanism configured adjust the position of the wave follower to move it rotationally and/or vertically relative to the fixed structure, so that the adjustment mechanism allows adjustment of the range of movement of the wave follower. | 01-05-2012 |
20120001432 | APPARATUS FOR CONVERTING WAVE ENERGY INTO ELECTRIC POWER - The invention concerns an apparatus for converting wave energy into electric power, comprising a closed floating element ( | 01-05-2012 |
20120007363 | APPARATUS FOR GENERATING ELECTRIC POWER USING WATER WAVE ENERGY - An apparatus for generating electric power comprises an electric generating device mounted on a main frame and including a transmission unit coupled to a pivot rod of a float-mounting frame of a float unit, and a generator coupled to an accelerating unit. The float unit includes two floats connected to the float-mounting frame and riding on a water surface such that the pivot rod is rotatable relative to the main frame in response to water wave front action to generate a bi-directional mechanical rotary power output corresponding to water wave energy. The transmission unit outputs a single directional mechanical rotary power output to the accelerating unit based on the bi-directional mechanical rotary power output. The accelerating unit accelerates a rotational speed of a drive shaft of the generator such that the generator converts rotary power corresponding to the rotational speed of the drive shaft into electric power. | 01-12-2012 |
20120013126 | WATER ELEVATION TYPE WAVE ENERGY CONVERTER AND METHOD OF CONVERSION OF WAVE ENERGY - The present invention relates to an energy system and method suitable for converting wave energy of a body of water into movement of a drive train to capture energy comprising a vessel sitting on said body of water having a hull ( | 01-19-2012 |
20120013127 | WAVE POWER PLANT - A wave power plant is disclosed. The wave power plant is designed for converting the energy of the disturbed water surface into the energy of the output shaft. The wave power plant can include a displacement body floating on the water surface, the displacement body having an internal installation of a technological working machine that is driven by the tension force of a cable connecting the body to a diving, floating anchor. The force of the cable tension rises each time the displacement body moves upward. An anchor suspended beneath the displacement body allows for utilizing the wave power plant on floating facilities (e.g., safe rafts and boats, floating data centers, boats, and floating platforms) found within the offshore areas of the oceans in the large open sea areas with great depth. | 01-19-2012 |
20120019003 | Ocean Current-Based Hydroelectric Power Generation System - An ocean current-based hydroelectric power generation system is disclosed wherein the rotational assembly of the system floats at the surface of the water and comprises a paddle wheel style impeller with a plurality of paddles surrounding an axle wherein the paddles positioned above the surface of the water are propelled forward by the force of water current and wind. Each paddle is assembled with a pivotally attached blade to a pair of supporting members extending a distance from the surface of the axle, such that the blade pivots open while the paddle rotates underwater, allowing current to flow through it enabling continued rotation of the rotational assembly. The system further comprises of floatational devices positioned a distance from the rotational assembly as to prevent the tangling and crushing of seafaring creatures. | 01-26-2012 |
20120019004 | Renewable Energy System - A water based renewable energy system is shown which uses tidal flow and an associated water wheel/weir assembly to provide pumping power for the system. A water wheel powered pump and associated piping are used to raise water from a lower lake reservoir to a higher storage lake reservoir. The water which is pumped to the higher storage lake can be released to a generator located at a lower elevation and then returned to the lower storage lake. The cycle can then be repeated by again pumping water from the lower lake to the upper lake. The pumped storage provides flow and head to generate electric power through the turbine generator. | 01-26-2012 |
20120025531 | ENERGY GENERATION USING INTERMEDIARY BUFFERING - The present invention is a device for converting rotational energy into useable power by buffering the created rotational energy from the rotational energy used to create the output power. Thus, in one embodiment, a pendulum within a buoy is used to create rotational energy from ocean wave movement and the created rotational energy then drives a hydraulic pump which in turn drives a hydraulic motor to create a second rotational force which is then used to create an electrical output. In this manner, the hydraulic fluid acts as the buffer between the wave-created rotational energy and the rotational energy actually used to create the output electricity. | 02-02-2012 |
20120025532 | WAVE POWER GENERATOR - A wave power generator includes a frame unit mounted on the shore, an electric generator unit generating electricity by means of a rotating motion of a rotor, a drive unit having a plurality of wave-power receiving bodies receiving the energy of a reciprocating horizontal motion of wave power and reciprocating between the sea-side and the land-side, wherein the wave-power receiving bodies are mounted in the frame unit in a stepwise manner in a plan view so that the wave-power receiving bodies do not meet the waves at the same time, and a power transmission unit mounted in the frame unit to convert a linear motion of the drive unit into a rotating motion and transmit the rotating motion to the rotor of the generator unit. | 02-02-2012 |
20120032444 | Wave Catcher - The wave catcher is a wave energy converter comprising three wave energy capture devices: a wave catcher wheel driven by wave particle motion, a wave pressure differential system driven by wave height differential, and a wave amplifier enclosure driven by wave surge; and three auxiliary energy capture devices: wind rotor, water current rotor, and photovoltaic cells all driving a common turbine to generate electricity. It extracts multi-frequency, variable amplitude ocean wave spectral energy and operates on, near, or far from the shoreline. Floats and structure position and orient the wave catcher to take the most advantage of the incident waves. | 02-09-2012 |
20120032445 | Wave energy harnessing mechanism - A wave energy harnessing mechanism comprising a grid of piston members interconnected at respective ends thereof. Each of the piston member includes a hollow chamber with a driving shaft, a movable magnet, and a coil therein, wherein the driving shafts are adapted to move the magnets back and forth through the coils and thereby induce an electric current within the coils. A plurality of cables interconnecting the coils of the piston members that are adapted and used to transfer the electric current generated within the coils to a storage accumulator located a distance therefrom. | 02-09-2012 |
20120032446 | Ocean wave energy converter with multiple capture modes - An ocean wave energy converter utilizes a substantially submerged elongated absorption barrier oriented parallel to oncoming wave fronts having one or more substantially submerged air or gas filled variable volume vessels located between a relatively fixed position rigid rearward surface and a moving rigid wave front facing surface. Said vessel(s) are compressed by oncoming overhead wave crests both by increased hydrostatic pressure and wave kinetic impact, thereby capturing both wave potential energy (hydrostatic or heave) and kinetic (impact or surge) energy. Vessel compression is resisted by hydraulic, pneumatic, mechanical or linear electric generation means. Vessel re-expansion, when wave troughs are overhead, utilize hydraulic, pneumatic, electric, and/or mechanical (gravity mass or spring) means. Wave energy capture is enhanced by venting vessel air or gas directly to and from atmosphere or low pressure surface expandable vessel(s), which venting may also drive pneumatic turbine-generators, and by oncoming wave shoaling and focusing means. | 02-09-2012 |
20120038163 | Wave energy turbine for oscillating water column systems - The dual rotor turbine configuration efficiently harnesses oceanic wave energy within an oscillating water column system. The up and down movement of the waves creates a bi-directional pneumatic airflow which spins the twin turbine assemblies. | 02-16-2012 |
20120038164 | Wave power plant - A wave power plant is disclosed which has one or more foils that are pivotally movable about a body. The foil is set into an oscillating, pivotal motion about the body by the force of the waves. A power engine is mounted between the body and the foil and extract works as the foil pivots about the body. The foil and body are held submerged below the surface of the water to reduce the effects of extreme weather conditions on the structural components. | 02-16-2012 |
20120056432 | WAVE ENERGY HARVESTER WITH IMPROVED PERFORMANCE - An apparatus for harvesting electrical power from hydrodynamic energy, the apparatus including a buoy or other water flotation device connected to an anchor by a tether and a magnetostrictive component having an internal pre-stressed magnetostrictive core that experiences at least a part of load changes experienced by the tether. The magnetic property of the magnetostrictive core is configured to change with changes in stress within the magnetostrictive core along at least one direction within the magnetostrictive component. The hydrodynamic energy acting on the buoy or other water flotation device results in changes in force within the tether, which in turn changes the stress within the magnetostrictive core and consequently changes a magnetic property. The magnetostrictive component is also configured such that the change in the magnetic property will result in a change in magnetic flux, which change can be used to generate electrical power. | 03-08-2012 |
20120074702 | Appratus generating electricity to marine vehicle - An apparatus for producing electrical usable energy to be deployed on a solid ground or on a vessel while the vessel is in stationary position or in motion, moving from one place to another. The apparatus converts two or three dimensional reciprocating linear mechanical motions into rotational motion and thus electricity. The apparatus comprising of an energy converter part and plurality of energy capturing part that absorbs two or three dimensional linear mechanical motions power of ocean water and converts it to electricity. | 03-29-2012 |
20120080883 | WAVE ENERGY CONVERTER - A wave energy converter has a shell, a pendulum pivotally positioned in the shell and having either a magnet or a coil connected or interconnected thereto, a variable inductor for varying an inductive capacity and positioned in the shell, and a pendulum adjuster operatively connected to the pendulum so as to change a center of gravity of the pendulum. The variable inductor has either a magnet and a coil connected or interconnected thereto. At least one of the magnet and the coil oscillates relative to the magnet or the coil of the variable inductor. A shaft is connected to the pendulum so as to move in relation to the pivotal movement of the pendulum | 04-05-2012 |
20120086205 | METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES - A method and device for generating electricity from ocean waves. The device includes at least one magnetostrictive element and one or more electrically conductive coils or circuits. When the magnetostrictive element is deployed in a body of water, the motion of the body of water, including wave motion, causes changes in the strain of the magnetostrictive element. The electrically conductive coil or circuit is within the vicinity of the magnetostrictive element. A corresponding change in magnetic field around the magnetostrictive element generates an electric voltage and/or electric current in the electrically conductive coil or circuit. | 04-12-2012 |
20120086206 | APPARATUS FOR CONVERTING WAVE, SOLAR AND WIND ENERGY - The various embodiments herein provide an apparatus for harnessing a wave energy, solar energy and wind energy. The apparatus comprises a floating frame, a base portion connected to the floating frame and at least two linkage units. The two linkage units are a basic linkage unit and a medium linkage unit. The apparatus includes a plurality of floating flaps and at least one power extraction means. A connecting pivot is provided in the linkage units and the base portion. The floating flaps are pivoted vertically on the basic linkage unit and the base portion. The flaps associated with the floating flaps are placed under water against prevailing waves and floats associated with the floating flaps are placed on surface of the water, for absorbing the wave energy from projected portions present at edges and middle portion of the flaps. | 04-12-2012 |
20120091717 | MARINE ENERGY HYBRID - A marine energy hybrid includes a support structure locatable at or near the surface of a body of water and at least two of (a) a hubless upper carriage movable along an upper track of the support structure with at least one wind vane mounted at the upper carriage to induce motion of the upper carriage relative to the support structure by reaction with the wind stream, (b) a hubless lower carriage movable along a lower track of the support structure with at least one water vane mounted at the lower carriage to induce motion of the lower carriage relative to the support structure by reaction with the water current, and (c) at least one wave energy conversion device integral with the support structure and operable to generate electrical or mechanical power in response to wave motion of the body of water. | 04-19-2012 |
20120091718 | Fluid Power Generator for Extracting Energy from a Fluid Flow - The invention provides a device for extracting energy from a fluid flow. The device has an air compression chamber and an array of valves, operable to open and close to regulate flow of the fluid through associated valve apertures. The valves are operable to close progressively as the fluid flow is incident thereon, thereby focusing flow of the liquid towards the air compression chamber and compressing air therein. The valves also open on a return flow of liquid from the compression chamber. | 04-19-2012 |
20120098265 | EXTRACTING WAVE ENERGY IN A WIND TURBINE INSTALLATION - A controller for a floating wind turbine is adapted to cause the wind turbine to extract energy from wave-induced motion of the turbine. The controller controls the rotor speed of the turbine by controlling the torque of the load presented to the rotor such that the rotor speed varies in response to wave-induced motion. | 04-26-2012 |
20120104761 | OCEAN WAVE ENERGY CONVERTER AND METHOD OF POWER GENERATION - A device comprising a float ( | 05-03-2012 |
20120112462 | Wave Energy Converter - Apparatus for converting the energy of ocean waves into electricity, comprises a buoyant body that floats on the surface of water and a submerged body suspended from the buoyant body by flexible cables at a depth where water is still. The submerged body comprises electric generators and horizontally-aligned rotors with a plurality of variable geometry, preferably flexible, buckets attached to a lateral surface of each rotor. The buckets are so shaped to move through water with minimum resistance in one direction and with maximum resistance in the opposite direction. The buoyant body rises with each wave, dragging the submerged body upward through the region of still water until a wave reaches its crest. As a wave falls, the gravity drags the submerged body downward until a wave reaches its trough. This movement causes unidirectional rotation of rotors. This rotation is transmitted to electric generators. | 05-10-2012 |
20120126540 | WAVE ENERGY ELECRICAL POWER GENERATION - A wave energy electric power generation system has a buoyant body responsive to wave movement and an associated, relatively vertically stationary body, a compressor, a pressure regulator, and an impulse air turbine/generator set. The compressor has a piston that moves reciprocally relative to a cylinder to alternately compress air in opposed chambers. A pressure regulator tank defines a chamber in communication with the compressor for alternately receiving compressed air from opposed compression chambers, a floating piston within the tank applying pressure to compressed air in the chamber, a pressure regulator controlling pressure applied by the piston to the compressed air, and an hydraulic dampening system coupled to the floating piston to restrict unwanted vertical oscillations of the piston, for output of a continuous flow of compressed air at relatively constant pressure. | 05-24-2012 |
20120153624 | WAVE ENERGY CONVERTER - A Wave Energy Converter (WEC) ( | 06-21-2012 |
20120153625 | HYDRODYNAMIC ARRAY WITH MASS TRANSIT TUNNELS - A hydrodynamic array comprises multiple hydrodynamic elements, including a tidal modulator, for producing electricity by the motion of ocean tides or river currents and forces acting on the hydrodynamic array, which is immersed in ocean tides or river currents and which is in motion relative to the ocean tides or river currents. A viaduct with mass transit tunnels sits atop the hydrodynamic array. | 06-21-2012 |
20120153626 | APPARATUS FOR EXTRACTING ENERGY FROM WAVES TRAVERSING A BODY OF WATER - An apparatus for extracting energy from waves traversing a body of water includes first and second tanks submerged in a body of water, first and second floating flap valves, a conduit, an air-propelled motor, and a valve. The tanks are spaced apart in the direction of movement of a wave, each has an opening close to the bottom for allowing water to enter, an air outlet above the opening, and contains a volume of air. The flap valves are arranged one in each of the tanks to selectively allow air to flow between the respective tank and the associated tank outlet but prevent the flow of water out the tank outlet. The conduit connects the tank outlets of the first and second tanks. The valve is disposed in the conduit and has first and second valve outlets directing air through the motor. | 06-21-2012 |
20120153627 | WAVE POWER GENERATOR - The present invention relates to a wave power generator, and more particularly, to a wave power generator that has comparatively high energy conversion efficiency, so that it can induce active investment and research and development to overcome uncertainties about the natural environment, and which can enhance practicability and value as a clean energy source, especially by virtue of the improved return on investment thereof. For this purpose, the wave power generator of the present invention is characterized in that is comprises: a plurality of rafts arranged on a water surface to move freely with the movement of waves; a plurality of connectors, connecting the plurality of rafts to each other, for performing the conversion of kinetic energy by converting the wave-induced movement of one raft into an amplified lever movement on an adjacent raft; a plurality of generators installed on the plurality of rafts to generate electricity; and an energy-converting unit, connected to the plurality of connectors and to the plurality of generators, for converting the kinetic energy from the plurality of connectors into rotational energy for driving the plurality of generators. | 06-21-2012 |
20120161445 | Water Wave Power Plant System - A water wave power plant system includes a first guide rail, a first clockwise freewheel, a first counterclockwise freewheel, a first buoy queued through the through-hole by the first guide rail, first right and left roller, a first chain belt having engaging the first clockwise freewheel, the first counterclockwise freewheel, the first right roller, and the first left roller on the first plane, and corresponding second set of equivalent elements to tap the water wave energy in an opposite direction. Each of the guide rail includes a rectangular tube, first embedded-rollers installed in the rectangular tube rotatably with two partial portions exposed on two parallel outer wall of the rectangular tube, and second embedded-rollers installed in the first rectangular tube rotatably likewise, wherein the first embedded-rollers and the second embedded-rollers are disposed perpendicularly with respect to each other. A self-propelling ship is constructed using the water wave power plant systems. | 06-28-2012 |
20120169055 | NOVEL ELECTRICAL GENERATORS FOR USE IN UNMOORED BUOYS AND THE LIKE PLATFORMS WITH LOW-FREQUENCY AND TIME-VARYING OSCILLATORY MOTIONS - A buoy for generating electrical energy from an roll/pitch motion resulting from a passing wave. The buoy including: a body; a pendulum member rotatably disposed on the body at a first end of the pendulum member; a pendulum mass disposed at a second end of the pendulum member; an exciter mass positioned on the pendulum member between the first and second ends; and one or more generators for generating electrical energy, the one or more generators being positioned in the body such that swinging of the pendulum member due to the roll/pitch motion causes a portion of the exciter mass to engage the one or more generators to generate the electrical energy. | 07-05-2012 |
20120169056 | SYSTEM AND METHOD FOR ENERGY GENERATION - A system and method for generating electrical power from water waves includes a ship-mounted or structure-mounted wave amplification channel with a multiple permanent anchoring system, one or more radially expandable wave wheels paired with expandable transitional push walls, and a chain drive assembly and automated means to accommodate varying ocean conditions. | 07-05-2012 |
20120187689 | WAVE ENERGY CONVERSION APPARATUS AND METHOD - A wave energy conversion apparatus comprises:-a mechanical element arranged in operation to move repeatedly in a cycle in response to wave motion, wherein the speed of the mechanical element varies between a maximum and a minimum during each cycle; power extraction means arranged to extract energy from the movement of the mechanical element; and movement assistance means arranged to assist the movement, in response to the wave motion, of the mechanical element, during at least one part of the cycle during which the speed of movement of the mechanical element is substantially equal to the minimum for that cycle, wherein the power extraction means comprises a fluid pressurisation system that is arranged so that in operation fluid in the fluid pressurisation system is pressurised in response to movement of the mechanical element, the fluid pressurisation system comprises a one-way valve for transferring pressurised fluid from the fluid pressurisation system and the movement assistance means is located upstream of the one-way valve. | 07-26-2012 |
20120193920 | TIDAL POWER GENERATING MODULE AND TIDAL POWER GENERATION METHOD USING THE SAME - Disclosed herein are a tidal power generating module and a tidal power generating method using the same. The tidal power generating module continuously generates power using compressed air and weight of seawater even at high tide and low tide at which the level of the seawater is not fluctuated in addition to the vertical movement of a vertical movement unit due to the rise and fall of the tide. | 08-02-2012 |
20120193921 | SYSTEMS AND DEVICES FOR HARNESSING ENERGY FROM TIDAL MOVEMENTS - A device for generating energy from waves includes one or more pistons placed near the water line of a body of water, one or more floats attached to one end of the one or more pistons whereby the pistons and attached one or more floats move up and down as waves action passes by the piston(s) and attached float(s), a crankshaft attached to the other end of the one or more pistons, and an electric generator in communication with the crankshaft. In these embodiments, the energy from the wave action is transmitted to the electric generator, whereby the electric generator produces electricity when the crankshaft is actuated by the energy transmitted from the float and piston moving from the wave action. | 08-02-2012 |
20120193922 | GENERATION APPARATUS - A generation apparatus for generating power from subsea currents is described. The generation apparatus includes a housing, at least one turbine, the/each turbine having an axis of rotation and an inlet, at least one guide vane adapted to guide an incoming flow of fluid towards the/each turbine inlet, the flow of fluid, in use, approaching the apparatus in a direction substantially perpendicular to at least one turbine axis and at least one generator for converting rotation of the/each turbine into power. | 08-02-2012 |
20120211987 | MARINE ENERGY HYBRID - A marine energy hybrid includes a support structure locatable at or near the surface of a body of water and at least two of (a) a hubless upper carriage movable along an upper track of the support structure with at least one wind vane mounted at the upper carriage to induce motion of the upper carriage relative to the support structure by reaction with the wind stream, (b) a hubless lower carriage movable along a lower track of the support structure with at least one water vane mounted at the lower carriage to induce motion of the lower carriage relative to the support structure by reaction with the water current, and (c) at least one wave energy conversion device integral with the support structure and operable to generate electrical or mechanical power in response to wave motion of the body of water. | 08-23-2012 |
20120235413 | APPARATUS FOR PRODUCING ELECTRIC OR MECHANICAL ENERGY FROM WAVE MOTION - The invention concerns an apparatus for generating power, in particular electric energy, from wave motion in water basins. It comprises at least an operating unit, including gearing provided for unidirectional rotation and to continuously operate at least one power generator in response to the movements of a control element susceptible to alternating linear movements deriving from the wave motion. Each operating unit comprises at least a main or driving shaft ( | 09-20-2012 |
20120235414 | OCEAN SWELL ENERGY CONVERSION APPARATUS - An apparatus for the conversion of the energy of sea or ocean swells. The apparatus comprises: a frame including a vertical post and horizontal beam; a first generator slidably connected to the vertical post; a second generator slidably connected to the horizontal beam; a first pinion connected to the first generator; a second pinion connected to the second generator; a float; a connection mechanism for connecting the float to the generators; a horizontal first rack connected to the float for engaging the first pinion; a vertical second rack connected to the one float for engaging the second pinion, wherein all components connected to the float are disposed at or above sea level. | 09-20-2012 |
20120248774 | PITCH DRIVEN WAVE ENERGY CONVERTER DEVICES AND SYSTEMS - A wave energy converter (WEC) buoy includes at least one pitch-driven WEC (“PDWEC”) device. Each PDWEC device includes two reaction masses which are placed at diametrically opposite ends of a container designed to float along the surface of a body of water and to move in response to the pitching motion of the waves. The reaction masses are interconnected so that when one reaction mass moves up, the diametrically opposed reaction mass moves down, and vice-versa. The movement of the reaction masses drives power take off (PTO) devices to produce useful energy. The reaction masses may be interconnected by any suitable linking system. One or more PDWEC device may be combined with a heave responsive device to produce a WEC buoy which can produce a power output in response to pitch or heave motion. | 10-04-2012 |
20120248775 | 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 responsive devices are deployed around the outer periphery of a container and one (or more) heave responsive device is located about the center of the container. The pitch responsive devices may be of the type defined as PDWECs which include two reaction masses which are primarily operable in response to pitching motion or they may be of the type which includes one reaction mass operable in response to pitch and/or heave motion. | 10-04-2012 |
20120248776 | WAVE ENERGY EXTRACTION SYSTEM USING AN OSCILLATING WATER COLUMN ATTACHED TO THE COLUMNS OF AN OFFSHORE PLATFORM - An offshore platform includes a support structure for supporting a workstation in a body of water at an offshore location. The support structure has a mounting formation and at least one duct is mounted to the mounting formation. The duct is configured to receive an oscillating water column from the body of water wherein oscillations of the oscillating water column generate a fluid flow for driving an energy extraction module. | 10-04-2012 |
20120261923 | DEVICE OF A POWER PLANT - A power plant device for the production of energy in the waves by the use of float devices, the motion of which is used to power generator to produce energy, and means of conveyance of energy to further use, the device having a rig that is directed to float in the sea by means of a float supporting construction with the floats in the water line so that these may be affected by wave motion in the sea, and where the floats are arranged in a ring shape around the rig's circumference with spacing between the floats, which floats independently of each other are oriented to engage their respective generators via a transmission system, and the rig is anchored to the seabed via a cable. | 10-18-2012 |
20120274073 | FLOATING ASSEMBLY FOR GENERATING ENERGY FROM SEA CURRENTS - An assembly for generating energy from sea currents is described, comprising a main floating body to be oriented across the direction of the sea current, a rotor assembly depending from said main floating body, at least one stabilising member extending substantially sideways from the main floating body and mooring lines for anchoring the assembly. Each stabilising member is attached to the main floating body at a position substantially corresponding with the position of attachment of a mooring line. Further an assembly for generating energy from sea currents is described, comprising a main floating body to be oriented in parallel to the direction of the sea current, at least two outriggers extending substantially sideways in opposite directions from the main floating body, a rotor assembly depending from said outrigger means and mooring lines for anchoring the assembly. Said mooring lines are attached to the main floating body at or near the opposite frontal ends thereof. | 11-01-2012 |
20120280504 | Systems for Optimizing Wave Energy for Renewable Energy Generation - A system for optimizing wave energy for renewable energy generation in onshore and offshore platforms is disclosed. In certain exemplary embodiments, wave energy from waves in an onshore platform enters or exits an air-tight chamber causing the air within the chamber to vent in or out via air-vents, and through the unidirectional turbine blades. The turbine rotates in a single direction causing an attached low speed axle to rotate as well. The low speed axle couples to a high speed axle via a step-up gearbox increasing the angular velocity of the axle. The high speed axle couples to a pump for suction of momentum transfer fluid from a tank and distribution of the fluid to a series of parallel evenly spaced, horizontal generator turbines, each with a differential pressure valve for differential inlet. The generator turbines connect to an AC or DC generator for power generation. | 11-08-2012 |
20120280505 | DEVICE FOR CONVERTING THE MECHANICAL ENERGY FROM THE SWELL OF AN EXPANSE WATER INTO ELECTRIC POWER - The invention relates to a device ( | 11-08-2012 |
20120280506 | HYDROELECTRIC TURBINE CABLING SYSTEM - The present invention provides a hydroelectric turbine system comprising an array of turbines in series and a cabling system for use in connecting together adjacent turbines in the array, the cabling system being designed to allow the majority of the cabling connecting adjacent turbines to be laid substantially in line with the direction of tidal flow in order to reduce stress the cabling system when the turbines are deployed on the seabed at sites of high tidal flow. | 11-08-2012 |
20120292910 | WAVE ENERGY CONVERTER - A wave energy converting apparatus and tension mooring system are described. The apparatus comprises an elongate support structure designed to extend above a mean water level in the ocean. The support structure has a submerged member below the mean water level. A float member of positive buoyancy is slidably mounted on the support structure so as to be movable in a vertical direction. The apparatus also comprises a linear electric generator having a stator provided in connection with the support structure and a translator integrated into the body of the float member. Differential motion of the float member relative to the support structure results in the generation of electrical power by the electric generator. The mooring system comprises a cable extending from a ballast to a counterbalancer suspended from the submerged member via a pulley mechanism. The mooring system allows the apparatus to be “tuned” to prevailing ocean conditions. | 11-22-2012 |
20120299303 | ENERGY CONVERTER - A wave energy converter ( | 11-29-2012 |
20120306209 | WAVE POWERED GENERATOR - A generator which extracts operating energy from waves of a body of water. A plurality of floats may be suspended beside a rotary power collector. The rotary power collector is arranged to turn unidirectionally as the floats rise and fall vertically on the waves. Rotation of the rotary power collector is transmitted to a rotary generator. The floats may comprise rigid rods each having a finger which engages and rotates the rotary power collector. Alternatively, the floats may be suspended from ropes or the like which are wound around a reel, with the reel driving the rotary power collector in a manner controlled by ratchet action. | 12-06-2012 |
20120306210 | Matrix Sea Wave Power Generating Device - A matrix sea wave power generating device includes a plurality of power generating units positioned to form a matrix, wherein each of the power generating units includes a floating member, a driving shaft provided on the floating member, a ratchet having a plurality of ratchet teeth, a pulling member, a speed adjustment device, a power generator, and a driving device, wherein the driving shaft is rotatably mounted on the floating member through a shaft bearing, and is operatively connected to the power generator through the speed adjustment device, the ratchet teeth is extended in a clockwise direction, wherein the ratchet is provided on the driving shaft, wherein the pulling member has plurality of engaging teeth engaged with the ratchet teeth of the ratchet, wherein the pulling member has a plurality of pulling strings, wherein a winding direction of the pulling strings is opposite to that of the corresponding ratchet teeth. | 12-06-2012 |
20120319406 | Method for Operating a Wave Energy Converter and Wave Energy Converter - A method for operating a wave energy converter for converting energy from a wave movement of a fluid into a different form of energy. The wave energy converter including at least one rotor and at least one energy converter coupled to the at least one rotor. A first torque acting on the at least one rotor is generated by the movement of the waves and a second torque acting on the at least one rotor is generated by the at least one energy converter. A desired effective force acting perpendicular to an axis of rotation of the at least one rotor is set by setting the first and/or second torque. | 12-20-2012 |
20130009401 | OFFSHORE HYDRO POWER STATION - A system and a method of electric power generation utilizing sea wave energy is disclosed. The invention consists of an underwater system where seawater flows through an underwater turbine which generates electric power. The waste water that passes through the turbine then flows into underwater tanks on the seabed. According to the invention, simultaneously, water is pumped out of the underwater tanks to the surface by mechanical devices located at the surface utilizing wave motion. | 01-10-2013 |
20130009402 | WAVE-ENERGY CONVERTER - Wave-Energy-Conversion (WEC) systems harness the water motion internal to waves propagating on large bodies of water to produce more readily usable forms of power, such as electricity. The water motion internal to a wave is oscillatory, and power is extracted from it by submerging structures that oscillate with the water, but more slowly. The power extracted from a wave is the product of the speed of the structure and the associated drag force on the structure. Because the structure moves more slowly than the water, increasing its speed reduces its speed relative to the water and with it the drag force. This tradeoff is optimized by maximizing the drag force for a given relative speed. The disclosed WEC systems exploit, in a variety of ways, the greater drag force provided by WEC structures of concave shape. | 01-10-2013 |
20130015664 | WAVE ACTIVATED POWER GENERATORAANM Kweon; Hyuck-MinAACI DaeguAACO KRAAGP Kweon; Hyuck-Min Daegu KRAANM Kwon; Oh-KyunAACI DaeguAACO KRAAGP Kwon; Oh-Kyun Daegu KRAANM Lee; Jung-LyulAACI Hwaseong-siAACO KRAAGP Lee; Jung-Lyul Hwaseong-si KRAANM Park; Sang-ShinAACI DaeguAACO KRAAGP Park; Sang-Shin Daegu KRAANM Cho; Il-HyoungAACI Jeju-siAACO KRAAGP Cho; Il-Hyoung Jeju-si KR - 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, respectively, a suction pipe communicating at one end thereof with an interior of the pile and secured at the other end thereof to the floating body to be exposed from a sea surface, and an air supply pipe connected at one end thereof to an upper end of the tube to communicate with a tube and secured at the other end thereof to the floating body to be exposed from the sea surface. The chain is sealed and surrounded with the tube filled with air. The suction pipe is disposed to pass through the tube. | 01-17-2013 |
20130038063 | APPARATUS AND METHOD FOR INHIBITING THE FORMATION OF TROPICAL CYCLONES - An apparatus for inhibiting the formation of tropical cyclones, comprising an elongated rigid tube through which cooler water is pumped from below to the near-ocean surface, thereby depriving incipient tropical cyclones of the heat energy they require for further development. The tube contains a pump comprising a fixed flap valve and a movable flap valve. The movable flap valve is attached to a drive disk encircling the tube at a depth where ambient waters have little vertical motion. The wave-driven vertical motion of the elongated tube causes the movable flap valve to oscillate with respect to the fixed flap valve, thereby pumping seawater upward onto the near-ocean surface. The apparatus also can navigate to alternative locations by means of a propulsion/steering system, and it can submerge to a safe depth to avoid oncoming vessels and potentially damaging seas. A fleet of apparatuses is required to provide the necessary cooling effect. | 02-14-2013 |
20130038064 | SYSTEM FOR GENERATION ENERGY FROM OCEAN WAVE MOVEMENT - The invention relates to a system for generating energy from ocean wave movement, comprising at least: one vessel ( | 02-14-2013 |
20130038065 | Highly Integrated Energy Conversion System for Wind, Tidal or Hydro Turbines - The invention relates to a system for converting rotational energy from a slow moving rotary input shaft, like the shaft of a wind turbine, into electrical energy to be supplied to a grid. The system comprises a support structure for supporting a main bearing for the input shaft, a generator coupled to the input shaft and arranged on the support structure, and a power converter that is electrically coupled between the generator and the grid. This converter is arranged on the support structure, and may further be structurally integrated with the generator. The generator may be an induction generator comprising a removable cage type rotor. The generator may comprise a stator which includes heat pipes connected to a lubricating and/or cooling system for a transmission, and the stator may be removably mounted on free ends of the heat pipes. The energy conversion system may further include a brake resistor that is electrically coupled to the generator and arranged on the support structure and that may be operatively coupled to the transmission lubricating and/or cooling system. | 02-14-2013 |
20130043682 | DIRECT DRIVE ROTARY WAVE ENERGY CONVERSION - An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float assemblies and a spar which extends from a connection with the float assemblies at the water surface into the water. | 02-21-2013 |
20130056988 | Power Generating Apparatus - The invention relates to the use of movement of a body of water to generate electricity using apparatus which includes at least one rack member in connection with at least one rotatable means. One of the rack or rotatable means are mounted in a relatively fixed position while the other of the rack or rotatable member is mounted so as to be influenced by the movement of the body of water in which the same is located to achieve the relative movement. Means are described to allow efficient transfer of the relative movement into electricity and also to prevent damage being caused to the apparatus by excessive movement of the body of water in storm conditions. | 03-07-2013 |
20130069368 | WAVE POWER GENERATING APPARATUS AND METHOD - Provided is a wave power generating apparatus and method. According to an aspect of the present invention, there is provided a wave power generating apparatus comprising: a housing; a bellows shaped like a corrugated hose having an open end, disposed in the housing, and extended or contracted by an external force; a weight disposed on the bellows; a rotor disposed on the weight and moving according to the extension or contraction of the bellows and the movement of the weight; and a generator converting kinetic energy of the rotor into electric energy. | 03-21-2013 |
20130069369 | Renewable Energy Extraction Device - Disclosed is a renewable energy extraction device and methods for producing renewable energy from flowing air or water. The renewable energy extraction device captures a relatively large amount of flowing water or atmospheric air and increases speed of the captured water or air by decreasing flow cross sectional area in the flow direction. An energy extraction component is used to extract energy of the high-speed water or air and convert it to rotational mechanical energy on a power shaft. A rotation direction control mechanism is used to make the power shaft always rotate in one direction, without coming to a stop, for ocean applications. The mechanical energy of the power shaft is transmitted to an electric generator, pump, compressor, or any other rotary equipment. After extraction of its energy, the captured air or water is released to its original source at a downstream location. | 03-21-2013 |
20130069370 | OCEAN WAVE ENERGY CONVERTER AND METHOD OF MOORING THEREOF - An apparatus for converting the kinetic energy of ocean waves into electricity is disclosed. The apparatus includes a main body member. A generator is located within the main body member. The generator includes a axle having a positive direction and a negative direction. An inner rotor is driven by the axle, wherein the inner rotor is driven only in the negative direction of the axle. An outer rotor surrounds the inner rotor and is also being driven by the axle, wherein the outer rotor is driven only in the positive direction of the driveshaft. A stationary ring is located between the inner rotor and the outer rotor. A drive rod, having a buoy attached to one end, is configured to freely move between an upstroke position and a downstroke position. The drive rod drives the generator as it reciprocates between the upstroke position and the downstroke position. | 03-21-2013 |
20130069371 | IMPULSE AIR TURBINE ARRANGEMENT FOR USE WITH A REVERSING BI-DIRECTIONAL AIR FLOW IN A WAVE POWER PLANT - An impulse air turbine arrangement for use with a reversing bi-directional air flow in a wave power plant comprises an axial flow turbine rotor with volutes mounted one each side of the turbine rotor to direct the reversing air flow to and from the turbine rotor. Each volute extends circumferentially with respect to the turbine axis between a radially outer opening and a radially inner opening. The radially outer opening is oriented for input/output of the air in a tangential direction and the radially inner opening is oriented axially to impinge/receive swirling air flow onto/from the turbine rotor. | 03-21-2013 |
20130076039 | Wave Power Plant - A wave power plant is configured to convert energy from a wave motion in a fluid, particularly sea water, into a rotation or rotational energy. The particles of the fluid describe a circulating orbital flow beneath the wave surface, and the kinetic energy of which is converted, at least partially, into rotational energy of one or several crankshafts. At least one resistance element and at least one buoyancy element are arranged on each crankshaft so that various coupling elements are combined. | 03-28-2013 |
20130082465 | Wave Responsive Electrical Generator - A wave responsive electrical generator device having a buoyant member connected to an anchor by a tether line member, the line member passing through a sheave mounted within the buoyant member and descending to a counterweight, whereby vertical motion of the buoyant member results in rotation of the sheave, which in turn operates hydraulic cylinders to deliver hydraulic fluid under pressure to an hydraulic motor, which drives an electrical generator, wherein the line member is a plurality of belts mechanically interlocking with the sheave. | 04-04-2013 |
20130093190 | 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 characteristics that are tunable to characteristics of the wave action. The pendulum may be supported by the watercraft to enable the pendulum to swing in response to the wave action. An energy converter may be configured to convert the relative movement of the pendulum and watercraft into electrical energy. The pendulum may also be tunable to characteristics of the wave action. | 04-18-2013 |
20130106111 | Electrical Machine for Submerged Application and Energy Conversion System | 05-02-2013 |
20130113214 | Floating Vessel That Converts Wave Energy at Sea Into Electrical Energy - An apparatus for converting wave energy into electrical energy comprising a first floating hull ( | 05-09-2013 |
20130119668 | WAVE POWER GENERATOR - The present invention relates to a wave power generator, and more specifically, to a wave power generator that can promote more aggressive investment and research activities by overcoming the uncertainties of natural environment through the relatively high energy conversion efficiency thereof, and enhance the practicality and the value thereof as a clean energy source by increasing the investment-to-efficiency rate. To this end, the present invention comprises: one or more raft vessels, each having in a central point thereof a node that moves freely according to wave height and leads a flow of fluid inside of the raft vessel with a constant water level; and an energy generating unit connected in series to a vertical axis C on a cross section of the node of each raft vessel and configured to generate energy using kinetic energy of the raft vessel. | 05-16-2013 |
20130127167 | LINEAR GENERATOR FOR SUBMERGED USE AND A METHOD OF PRODUCING ELECTRIC ENERGY - The invention relates to a linear generator for submerged use. It has a linearly reciprocating translator ( | 05-23-2013 |
20130127168 | OCEAN WAVE POWER PLANT - An ocean wave power plant provided for by respective interconnected functional units comprising a support structure ( | 05-23-2013 |
20130134714 | Method And System For Tidal Energy Storage And Power Generation - A tidal energy storage, power generation method is disclosed. During one tidal period, the method includes the following steps: during the early stage, forming a float into an enclosed hollow float; during the flood tide stage, converting the ascending potential energy of the float into the gravity potential energy of an energy storage assembly; during the slack water stage, charging the float with water; and during the tide ebbing stage, forming the float into an enclosed body filled with water, and converting the descending potential energy of the float into the gravity potential energy of the energy storage assembly. A tidal energy storage, power generation system is also disclosed. The system can improve the utilization rate of the tidal energy. | 05-30-2013 |
20130140823 | SYSTEM FOR CONVERSION OF WAVE ENERGY INTO ELECTRICAL ENERGY - The disclosure provides a device for converting wave motion into electricity, and methods of using the devices for generating electricity. The disclosure also provides a power generation device that includes a water blanket having a plurality of pods arranged in a grid for floating on the surface of a body of water. In one example, ball joints and hydraulic cylinders couple each of the pods to adjacent pods. Motors are coupled to the hydraulic cylinders such that a flow of hydraulic fluid created by expansion and compression of the cylinders due to movement of the pods causes rotational motion in the motor. Generators are coupled to respective motors to generate electricity from the rotational motion of the motors. Power from the ocean blanket can be supplemental with wind turbines, water paddles, water turbines, and solar cells. | 06-06-2013 |
20130140824 | 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 ( | 06-06-2013 |
20130147198 | STATOR FRAME FOR A SUBMERGED LINEAR GENERATOR - The invention relates to a stator frame ( | 06-13-2013 |
20130154267 | Wave Energy Electrical Power Generation - A wave energy electric power generation system has a buoyant body responsive to wave movement and an associated, relatively vertically stationary body, a compressor, a pressure regulator, and an impulse air turbine/generator set. The compressor has a piston that moves reciprocally relative to a cylinder to alternately compress air in opposed chambers. A pressure regulator tank defines a chamber in communication with the compressor for alternately receiving compressed air from opposed compression chambers, a floating piston within the tank applying pressure to compressed air in the chamber, a pressure regulator controlling pressure applied by the piston to the compressed air, and an hydraulic dampening system coupled to the floating piston to restrict unwanted vertical oscillations of the piston, for output of a continuous flow of compressed air at relatively constant pressure. The turbine and generator set receives the flow compressed air from the pressure regulator and/or the compressor to rotate the turbine, driving the generator for generation of electric power. Rolling diaphragm and liquid trough sealing between opposed regions of contrasting pressure/vacuum are also described. | 06-20-2013 |
20130154268 | 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 hollow tube attached to the ballast buoy that is submerged under water when the ballast buoy achieves the desired depth in the deep water, and a converter for converting the physical environment created in the substantially vertical hollow tube by placement of the ballast buoy at the desired depth in the deep water. | 06-20-2013 |
20130161957 | ENERGY GENERATING SUPPORTS - Energy harvesting systems are described in which electroactive materials, such as dielectric elastomers, may be utilized to absorb the shocks, bumps, and vibrations from the road or path to generate energy which is captured and stored for use in the vehicle to provide additional power for any number of uses. Other devices and systems. such as household appliances which dissipate vibrational energy, may also incorporate any number of the dielectric elastomer generators. | 06-27-2013 |
20130181454 | WAVE POWER PLANT - A wave power plant, comprising a floating body and a rotator capable of rotating in response to the body's floating motion, characterized in that two or more bodies are elastically moored at a distance varying from each other according to wave conditions, said distance in the traveling direction of waves being unequal to a half of the wave length or a multiple thereof, and that rotation of the rotators present in various bodies is synchronized so as to provide a desired phase shift between the rotational angles of rotators present in various bodies. | 07-18-2013 |
20130193689 | Apparatus for Guiding a Flexible Member - An apparatus ( | 08-01-2013 |
20130200626 | Wave Energy Converter and Transmission - A wave energy converter includes a buoy and a power takeoff. A driveshaft in the power takeoff is driven to rotate by movements of the buoy and is mechanically coupled to an electric generator through a planetary gearbox and drives it for generating electric current at an even level, while storing excess energy in an energy accumulation device. The energy accumulation device is coupled to the generator through another part of the planetary gearbox for driving the generator during the other of the rising and sinking movements with continued torque, rotation speed and rotational direction. Major portions of the driveshaft can be located at a radial distance of the generator, allowing the generator and also components coupling the rotation of the portions of the driveshaft to the generator to be located in a sealed space, the only bearings that have to be sealed to the water being those that support said portions of the driveshaft. Also, the buoy can be divided in a front buoy and a rear buoy, the power takeoff including counterweight and anchor drums mounted in the front buoy. A counterweight constituting the accumulation device can then be suspended from a sheave mounted to the rear buoy. | 08-08-2013 |
20130200627 | DEVICE FOR CONVERTING WAVE ENERGY INTO ELECTRICITY - A device for converting wave energy into electricity, the device including: a float; a guiding-accelerating wheel, the guiding-accelerating wheel including a wheel body including a casing, a wheel center, and a chamber; an impeller; and an electric generator, the electric generator including a rotor. The float is upward and downward movable in accord with a movement of wave. The guiding-accelerating wheel is connected to a lower part of the float. The wheel center is disposed inside the casing. A plurality of deflectors is annularly arranged between the casing and the wheel body, and the deflectors are inclined to a same direction. Water channels are formed by the casing, the wheel center, and every two adjacent deflectors, each water channel including a water outlet. The impeller is clamped on the guiding-accelerating wheel at a position corresponding to the water outlet of the water channel. | 08-08-2013 |
20130207397 | TETHER FOR RENEWABLE ENERGY SYSTEMS - The present invention provides a tether ( | 08-15-2013 |
20130207398 | WAVE GENERATOR - A wave power generator is provided, and, more particularly, a wave power generator, which has a simple structure leading to improved cost efficiency and high energy conversion rate and is able to be installed in anywhere, so that practicality and a value of wave as a clean energy resource may be enhanced, is provided. The wave power generator includes a raft vessel configured to be in a shape of disk and filled with water; a water turbine configured to be installed on a central axis of the raft vessel; and a mooring chain configured to be connected to the raft vessel to thereby determine a location where the raft vessel is to float. | 08-15-2013 |
20130221672 | 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 device maximizes the throughput by discharging the water crest in a continuous flow through turbines into the trough, absorbing the water of the neighboring wave's crest and sharing the facilities. | 08-29-2013 |
20130229013 | ALIGNMENT OF A WAVE ENERGY CONVERTER FOR THE CONVERSION OF ENERGY FROM THE WAVE MOTION OF A FLUID INTO ANOTHER FORM OF ENERGY - A wave energy converter for the conversion of energy from the wave motion of a fluid into another form of energy includes a housing upon which at least one rotor is arranged to rotate in an essentially horizontal axis of rotation. The wave energy converter further includes at least one energy converter connected to the minimum of one rotor, at least two floats arranged on the housing at a distance from each other in a perpendicular direction to the axis of rotation, and a control device which is configured, by the corresponding control of the minimum of two floats, to generate a torque which acts on the housing. | 09-05-2013 |
20130234440 | SEA WAVE POWER GENERATION EQUIPMENT - A sea wave power generation equipment includes a floating body, a frame, a plurality of rotating shafts, a plurality of first gear wheels, at least one fixing base, a generator, a transmission shaft, a plurality of second gear wheels, a plurality of collision boards, and a plurality of ratchet structures. Each of the collision boards includes a rotation portion and a board body. Each of the ratchet structures includes a pawl portion and a ratchet portion including a plurality of teeth. When the board bodies are collided with a sea wave in a direction, each of the pawl portions hooks one of the teeth of one of the ratchet portions. When the board bodies are collided with another sea wave in another direction reverse to the direction, each of the pawl portions slides a portion of the teeth of one of the ratchet portions. | 09-12-2013 |
20130241205 | Power Generating Apparatus - A power generating apparatus which is installable on a vessel, the apparatus comprising: a power generating device; a movable actuator coupled to the power generating device such that movement of the actuator causes the generating device to generate power; | 09-19-2013 |
20130270830 | 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 hollow tube attached to the ballast buoy that is submerged under water when the ballast buoy achieves the desired depth in the deep water, and a converter for converting the physical environment created in the substantially vertical hollow tube by placement of the ballast buoy at the desired depth in the deep water. | 10-17-2013 |
20130270831 | ELECTRIC DEVICE AND A METHOD FOR A WAVE POWER PLANT - The invention relates to an electric device with a winding ( | 10-17-2013 |
20130277978 | Turbine Installation for Extracting Sea Wave Energy - The invention relates to a turbine installation for extracting energy from sea waves
| 10-24-2013 |
20130277979 | WAVE ENERGY CONVERSION SYSTEMS AND METHODS - A system for producing an output from wave energy for use on an offshore, nearshore or onshore facility includes a support structure having a columnar volume with a first opening and a second opening and a movable piston plate housed therein; and a buoyant system surrounding the support structure, wherein the buoyant system is coupled to the piston plate by a linkage system, wherein the piston plate shifts in response to an oscillation of water level causing the buoyant system to shift, wherein air flow within the columnar volume varies in response to the oscillation of water level, and wherein such oscillation is realized at a prescribed rate controlled by a variable tuning orifice. | 10-24-2013 |
20130285381 | WAVE-POWER AGGREGATE TO EXTRACT ENERGY FROM WAVE MOTION IN A FLUID AND THE USE OF A WAVE-POWER AGGREGATE - 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 container which is situated at least partially in the liquid and also comprises an inflow and an outflow. The container is arranged to, under the influence of said wave motion, to let a first part of the container arrange itself in a first position and a second part of the container in a second position, where the first and second position corresponds to different potential energy states. The method comprises the steps of:
| 10-31-2013 |
20130313829 | METHOD OF GENERATING ELECTRICAL POWER FOR A PORT - A method for generating electrical power for a port. The method includes providing a power generator, where the power generator is secured to a structure within a port and converts energy within a body of water to electrical power. The method also includes providing a power storage, where the power storage is configured to receive the electrical power from the power generator and store the electrical power for future use. The method further includes a power transfer, where the power transfer is configured to direct the electrical power from the power storage to the location of use within the port. | 11-28-2013 |
20130328311 | TIDAL POWER GENERATING DEVICE - The invention provides a tidal power generating device that has a large area to receive pressure of a tidal current and can be used in a water surface region. The tidal power generating device includes a cylindrical body that floats by itself and a blade that is continuously provided from a front portion to a rear portion on an outer periphery of the cylindrical body and has torsion in a single direction. The cylindrical body has an interior space through which a power generating nonrotary shaft, a connecting pipe, and a mooring nonrotary shaft pass. The power generating nonrotary shaft is provided with a fan-shaped weight and a power generator. The rear portion of the cylindrical body is sunk when the tidal power generating device is placed on water. | 12-12-2013 |
20130328312 | Method and Apparatus for Harnessing Hydro-Kinetic Energy - Apparatus and method is disclosed for generating usable power derived from oscillatory hydro-kinetic energy available in the movement of waves having a given height and being spaced apart by a predetermined distance at the surface of a body of water. Apparatus and method is disclosed for generating usable power derived from hydro-kinetic energy available in a body of water moving in at least one direction of movement, the at least one direction being substantially horizontal or substantially vertical. Apparatus and method is disclosed for generating usable power derived from hydro-gravitational forces available at a site having a source of water at a first elevation higher than a second elevation at a selected location where the usable power is to be derived. | 12-12-2013 |
20130328313 | DIRECT DRIVE ROTARY WAVE ENERGY CONVERSION - An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float assemblies and a spar which extends from a connection with the float assemblies at the water surface into the water. | 12-12-2013 |
20130334821 | Wave Energy Converter, and Associated Operating Method and Control Device - A wave energy converter comprises a rotor, which is designed to convert a wave movement of a body of water, in which the wave energy converter is arranged, into a rotational movement of the rotor, wherein a mean density of at least one rotating component of the rotor can be adjusted and/or is lower than the mean density of the fluid surrounding the rotor in the body of water. The disclosure likewise relates to a corresponding control device and an operating method. | 12-19-2013 |
20130341926 | Wavewheel - Using creativity, prior art (in general) and the prior art of generating electricity from water flow (in particular) this invention creates machinery to generate electricity from water waves. | 12-26-2013 |
20130341927 | MAGNETOSTRICTIVE WAVE ENERGY HARVESTER WITH HEAVE PLATE - A device for generating electricity includes a buoyant structure, a heave plate, at least one load carrying structure that is mechanically coupled to both the buoyant structure and the heave plate, and at least one magnetostrictive element. The magnetostrictive element is configured to to experienceforce changes applied by the load carrying structure caused by hydrodynamic forces acting on the device. | 12-26-2013 |
20130341928 | 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 hollow tube attached to the ballast buoy that is submerged under water when the ballast buoy achieves the desired depth in the deep water, and a converter for converting the physical environment created in the substantially vertical hollow tube by placement of the ballast buoy at the desired depth in the deep water. | 12-26-2013 |
20140028027 | Novel Electrical Generators For Use In Unmoored Buoys And the Like Platforms With Low-Frequency and Time-Varying Oscillatory Motions - A buoy for generating electrical energy from an roll/pitch motion resulting from a passing wave. The buoy including: a body; a pendulum member rotatably disposed on the body at a first end of the pendulum member; a pendulum mass disposed at a second end of the pendulum member; an exciter mass positioned on the pendulum member between the first and second ends; and one or more generators for generating electrical energy, the one or more generators being positioned in the body such that swinging of the pendulum member due to the roll/pitch motion causes a portion of the exciter mass to engage the one or more generators to generate the electrical energy. | 01-30-2014 |
20140035286 | WAVE ACTIVATED POWER GENERATION SYSTEM WITH THE RACK AND PINION MECHANISM - The present invention is directed to a wave activated power generation system that converts the vertical movement of one or more power generation buoys resulting from interaction with waves into energy producing gyrations via a rack and pinion mechanism. The square-shaped power generation buoys are manufactured from fiber-reinforced plastic material. | 02-06-2014 |
20140042748 | CLUSTERING OF CYCLOIDAL WAVE ENERGY CONVERTERS - A wave energy conversion system uses a pair of wave energy converters (WECs) on respective active mountings on a floating platform, so that the separation of the WECs from each other or from a central WEC can be actively adjusted according to the wavelength of incident waves. The adjustable separation facilitates operation of the system to cancel reactive forces, which may be generated during wave energy conversion. Modules on which such pairs of WECs are mounted can be assembled with one or more central WECs to form large clusters in which reactive forces and torques can be made to cancel. WECs of different sizes can be employed to facilitate cancelation of reactive forces and torques. | 02-13-2014 |
20140042749 | OCEAN FLOOR MOUNTING OF WAVE ENERGY CONVERTERS - A system for mounting a set of wave energy converters in the ocean includes a pole attached to a floor of an ocean and a slider mounted on the pole in a manner that permits the slider to move vertically along the pole and rotate about the pole. The wave energy converters can then be mounted on the slider to allow adjustment of the depth and orientation of the wave energy converters. | 02-13-2014 |
20140042750 | SEA ELECTRICITY ENERGY PRODUCTION DEVICE TO PRODUCE RENEWABLE ELECTRICITY - A sea electricity energy production device has a submerged water gate for controlling a flow of sea water into the device, one or more paddle wheels that receive water flow through the water gate to drive main gears in rotary motion, a series of pressure tanks having pistons driven by the main gears driven by the paddle wheels to pressurize water flow from the pressure tanks, and a Francis reaction turbine built on land that receives the pressurized water flow from the pressure tanks to drive the turbine and generate electricity. | 02-13-2014 |
20140062088 | Hydraulic tidal and wind turbines with hydraulic accumulator - Tidal and wind turbines utilize a hydraulic drive-train to transfer the kinetic energy in moving currents to a generator located ground level for producing electricity for the grid. A rotor shaft transfers the mechanical energy from the rotors to a hydraulic pump which converts the mechanical energy into fluid energy which is transferred to a high pressure manifold and then to hydraulic motor for converting the fluid energy into rotational mechanical energy which spins a generator coupled to the motor. A high pressure manifold is coupled to a hydraulic accumulator for storing the fluid energy for later use. | 03-06-2014 |
20140077496 | Ocean Wave Energy Converter (OWEC) with Counter-Rotating Flywheels - An OWEC designed to convert the energy of an oscillating water column within a wave into electricity for use during peak hours and into compressed air for use during off peak hours, and to withstand adverse weather conditions. Located off-shore, and submerged about 95%, the OWEC comprises: a vertically adjustable spar comprising a vertical shaft connected to a foundation in the sea floor, and extending above sea level; a float comprising parabolic reflectors on the underside to channel wave flow upward, and two buoyancy chambers to support the float's weight; adjustable parabolic spar reflectors attached near the spar's bottom to re-direct horizontal wave flow vertically to maximize the float's produced power; a cylinder system to generate compressed air that is stored in an onsite tank; and, a power takeoff (PTO) device sitting atop the float and comprising two counter-rotating flywheels to convert the float's power into electrical energy. | 03-20-2014 |
20140084589 | HYDROKINETIC ENERGY CONVERTERS ON BRIDGE STRUCTURES - This is a low-cost, ingenious, high-efficiency energy producing system from hydrokinetic energy in water waves, currents and tides. Cost advantages are due to the use of existing bridge structures to mount the water energy converter to withstand fierce wind and water forces. | 03-27-2014 |
20140084590 | MECHANICAL ASSEMBLY FOR MAINTAINING AN AIR GAP BETWEEN A STATOR AND ROTOR IN AN ELECTRO-MECHANICAL ENERGY CONVERTER - An apparatus and corresponding method for maintaining an air gap between a stator and rotor in an electro-mechanical energy converter is provided. The apparatus includes a structural sleeve and a plurality of stator sections attached to an inner surface of the structural sleeve. A hub is enclosed by the structural sleeve and is concentric with the structural sleeve. A plurality of rotor sections is flexibly coupled to the hub and is enclosed by the structural sleeve. A rail system is positioned within the structural sleeve and is concentric with the structural sleeve. The rail system guides the rotor sections in a substantially circular path and defines an air gap between the plurality of stator sections and plurality of rotor sections. | 03-27-2014 |
20140091575 | Articulated-Raft/Rotary-Vane Pump Generator System - An apparatus and method for generating electricity from ocean wave energy by using a floating device having a first portion that is movably coupled to a second portion. A hydraulic pump is coupled between these portions such that when the floating device is exposed to ocean wave energy, the hydraulic fluid within the pump is displaced. A flow rectifier is used to create a unidirectional hydraulic fluid flow that is dispensed through a rotary-vane pump which, in turn, is coupled to an electrical generator. Thus, as the rotary-vane pump is activated by the unidirectional hydraulic fluid flow, the rotary-vane pump turns the electrical generator for generating electricity. A plurality of hydraulic pumps and associated flow rectifiers, rotary-vane pumps and electrical generators can be coupled between the first and second portions. In addition, the floating device can include a third portion that is also movably coupled to the second portion and a plurality of hydraulic pumps and associated flow rectifiers, rotary-vane pumps and electrical generators can be coupled between the second and third portions. | 04-03-2014 |
20140091576 | OFFSHORE COMBINED POWER GENERATION SYSTEM - A combined offshore system for generating electricity includes of an offshore windmill unit with a generator for extracting power from wind and transferring it into electricity, a electricity export cable connected to the windmill for exporting produced electricity to offshore or onshore consumers, and at least one offshore wave power unit for extracting power from waves. This offshore wave power unit is characterized in that electricity produced by the wave power unit is transferred via the same electricity export cable as the electricity generated by the windmill unit. | 04-03-2014 |
20140110943 | SLOPING WALL CHANNEL - The invention relates to a device for collecting energy from water waves, comprising an extended length channel provided with a long shore-facing wall, a long sea-facing wall, and a remote end wall all extending substantially above high water level, and a proximate end wall forming a fixed lower dam having an upper edge approximately level with low water level. The shore-facing wall of the channel being sloped in a shoreward direction so that the upper open edge of the wall is nearer the shore than the lower edge of the wall. The sloped wall being impacted by waves having entered the channel and retaining water of the waves at a raised level above sea level. Inside the channel, the long sea-facing wall being pierced by multiple one-way apertures extending substantially over the complete area of the sea-facing wall, each one-way aperture being closed by an attached shutter unit opening inwards under pressure of incoming water waves and closing after the entry of the waves to maintain the raised water level in the channel; | 04-24-2014 |
20140117671 | Dynamic Tuning for Wave Energy Conversion - Wave energy converter efficiency is improved by dynamic tuning over periods from 5 to 15 seconds. Tuning methods are: for heaving, mass is varied by locking and unlocking neutrally buoyant masses or by trapping and releasing seawater; for surging, water-plane area is varied by force; for rotational variants of heaving and surging and for pitching, the radius of gyration is varied. Fixed mass is reduced by using materials and structures with high ratios of strength to weight. Fixed added mass is reduced by streamlining, by constant radius body profiles and by keeping moving structures out of the water. Added mass is varied continuously by using variable angle fins: effectiveness is enhanced by enclosure. In pitching, wave-bridging is addressed by limiting length, using locking and unlocking segments of the floating body or by using gravity as the restoring force. Solutions are described for heaving, surging, pitching and wave-following. | 05-01-2014 |
20140117672 | TIDAL MOTOR - A tidal motor system comprises a horizontal floating platform subjected to a vertical movement due to the tides. The platform is preferably in a circular shape in order to minimize friction, and in combination with a hub located in the center and extending upwardly and comprising angle pitch. A dome located above high tide comprises a meshing device with opposite angle pitch to receive the hub. When the hub is rising (or descending) because of a rising (or a descending) tide, the extension of the hub working as a drive shaft engages a first gear provided with a meshing female, and the first gear commands a number of meshing intermediate gears wherein the last gear drives a generator or suitable mechanical device. The gears are enclosed in a dome fastened in combination with vertical beams anchored in the ground to ensure the stability of the system. | 05-01-2014 |
20140117673 | LINEAR FARADAY INDUCTION GENERATOR FOR THE GENERATION OF ELECTRICAL POWER FROM OCEAN WAVE KINETIC ENERGY AND ARRANGEMENTS THEREOF - Various embodiments of linear electric generators and arrangements thereof are disclosed. One such generator includes a permanent magnetic array with magnets that are oriented such that like poles of the magnets are disposed adjacently to concentrate a magnetic field through a coil array. To enhance the magnetic field distribution, the magnets are affixed under a compressive strain due to repulsive forces resulting from proximity of the like poles. According to another aspect, a plurality of vibrational linear electric generators (VLEGs) can be arranged so that magnets of different VLEGs are oriented so that poles of opposite polarity are disposed adjacently to further enhance magnetic field concentration through coil arrays. In addition, a plurality of wave energy converters can be arranged in very close proximity, at most 8 times a height of a buoyant portion of the converters, to act as a seawall and thereby protect various structures from ocean waves. | 05-01-2014 |
20140117674 | LINEAR FARADAY INDUCTION GENERATOR FOR THE GENERATION OF ELECTRICAL POWER FROM OCEAN WAVE KINETIC ENERGY AND ARRANGEMENTS THEREOF - Various embodiments of linear electric generators and arrangements thereof are disclosed. One such generator includes a permanent magnetic array with magnets that are oriented such that like poles of the magnets are disposed adjacently to concentrate a magnetic field through a coil array. To enhance the magnetic field distribution, the magnets are affixed under a compressive strain due to repulsive forces resulting from proximity of the like poles. According to another aspect, a plurality of vibrational linear electric generators (VLEGs) can be arranged so that magnets of different VLEGs are oriented so that poles of opposite polarity are disposed adjacently to further enhance magnetic field concentration through coil arrays. In addition, a plurality of wave energy converters can be arranged in very close proximity, at most 8 times a height of a buoyant portion of the converters, to act as a seawall and thereby protect various structures from ocean waves. | 05-01-2014 |
20140132003 | NATURAL-FREQUENCY ADJUSTING MECHANISM FOR WAVE-POWER GENERATOR - Provided is a wave-power generator capable of adjusting a natural period (natural frequency) in response to a changing wave period. The wave-power generator includes a weight that is installed in a floating body via a spring and that linearly reciprocates in response to a fluctuation of a water surface and a generator that generates power by being driven based on the linear reciprocating motion of the weight. An additional-mass body for adding a mass to the mass of the weight is further included. | 05-15-2014 |
20140138953 | 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 having an interior guide, motion of the buoy representing a first degree of freedom and a spar mounted within the interior guide so as to be movable therein, motion of the spar representing a second degree of freedom. There is a pneumatic spring between the spar and the buoy to provide restoring forces when the spar departs from a quiescent position relative to the buoy. There is damping element in the form of an induction generator having an armature and a stator, with one of the stator and armature fixed to the spar and the other of the stator and armature fixed to the buoy to generate power when the spar moves relative to the buoy in the presence of excitation by ocean gravity waves. The mass of the wave energy converter and dimensions of the buoy are such that in use, the buoy floats in a partially submerged position. | 05-22-2014 |
20140145442 | MOORING ANCHOR SYSTEM FOR WAVE ENERGY CONVERTERS (WECS) - A mooring system for a plurality of wave energy converters (WECs) includes a multiplicity of anchors coupled to form an array of contiguous hexagonal shaped cells. Each cell has 3 WECs and 3 anchors located at the vertices of the hexagon, with a WEC alternating with an anchor going around the perimeter of the cell. Except for the cells at the edges of the array, each WEC is connected to two anchors of its cell and an anchor of an adjacent contiguous cell. Each WEC is connected to three different anchors via 3 mooring lines spaced 120 degrees apart about the WEC. The ratio of the number of anchors per WEC is decreased by connecting each anchor to more than one WEC. The cells can be arranged to form many different patterns. In one embodiment a plurality of WECs and anchors are deployed in a generally triangular formation extending from an apex of the triangular formation to a base. | 05-29-2014 |
20140145443 | WAVE POWER DEVICE WITH GENERATOR - The present invention relates to a wave power device for converting energy of waves in a body of water to electrical energy. The device includes: a support structure; a panel, such as a flap or wing, hinged to the support structure, which panel is adapted to be moved by waves passing the device, resulting in a tilting or rotating motion of the panel relative to the support structure; and an electrical generator mechanically coupled to the panel, which electrical generator is adapted to convert the mechanical energy of the tilting or rotating motion of the panel to electrical energy. The present invention also relates to a use of such a wave power device, and a method for converting mechanical energy of a panel in a wave power device to electrical energy. | 05-29-2014 |
20140145444 | APPARATUS AND METHOD FOR WAVE POWER GENERATION OF UNDERWATER TYPE - Disclosed is an apparatus and method for wave power generation of an underwater type, which can be float underwater and can efficiently generate wave power. The apparatus includes a housing formed to have an open bottom end and fixedly connected to the seafloor, a shaft extending from a bottom surface of a top end of the housing, a floater having a top end opened to surround the shaft, positioned at a lower portion of the housing and reciprocating in a perpendicular direction with respect to the housing, and a linear generation unit converting kinetic energy based on the reciprocating motion of the floater into electrical energy. | 05-29-2014 |
20140152014 | ARRAY OF BUOYS FOR OBTAINING ENERGY FROM A WAVE IN A BODY OF WATER - An array of buoys is disclosed for obtaining energy from a wave in a body of water. The array of buoys can include a framework having a plurality of vertical members and a base buoy coupled to the framework to support the framework in a body of water and maintain the vertical members in a vertical orientation. The array of buoys can further include a plurality of movable buoys. Each of the plurality of movable buoys can be movably disposed about a different one of the plurality of vertical members and configured to move relative to the respective vertical members and the base buoy in response to a wave in the body of water. Additionally, the array of buoys can include an energy conversion device operable with each of the plurality of movable buoys to generate power from movement of the movable buoys relative to the vertical members. | 06-05-2014 |
20140152015 | WAVE ENERGY CONVERTER - A wave energy converter ( | 06-05-2014 |
20140183868 | WAVE ENERGY POWER CONVERSION MECHANISM - The present invention provides a power conversion mechanism incorporated as part of a wave energy converter device which utilises the kinetic energy of an incident wave field experienced through the relative motion of a body or any other similar means connected to a reactive structure resulting in the localisation of mechanical forces towards a central nodal point for subsequent exploitation via conversion to a useful form. It comprises a mechanical coupling connectable between a reactive body and a wave actuated body with a first body connectable to the reactive body and a second body connectable to the wave actuated body, the first body and the second body being rotatably coupled together about an axis of rotation. A linear energy conversion device is connected to the mechanical coupling and to a crank arm, the crank arm being rotatably connected to the first body and the second body and connected to a reciprocating member of the linear energy conversion device such that relative angular rotation of the first and second body is converted into linear motion in the reciprocating member. | 07-03-2014 |
20140191508 | ROTARY JOINT FOR UNDERWATER OPERATION AND SYSTEM EQUIPPED THEREWITH FOR GENERATING ENERGY FROM WATERPOWER - A rotary joint for use in a system for generating energy from water power, the joint comprising a first rotationally symmetrical connecting element and a second rotationally symmetrical connecting element disposed concentrically with the first connecting element and rotatable relative thereto, an annular gap between the two connecting elements, and a row of rolling elements rolling along a race on each of the connecting elements, wherein provided to seal the annular gap is a sealing device having a sealing ring fixed to the first connecting element, and a circumferential sealing lip, or sealing surface, extends along a lead-in surface, wherein the second connecting element is divided into a race ring, with at least one race, and a lead-in ring with a lead-in surface for at least one sealing ring, the lead-in ring being removably connected to at least one race ring. | 07-10-2014 |
20140217733 | Waves Weight Based Energy Power Generation System - This is a system of kinetic power generating stations including a plurality of opposing units needed to generate electrical power from the constant motion of waves. Utilizing mixed gas inside the flexible membrane component of the piston to maximize the effects of the changing weight of the passing waves is being employed to assure continuity and uninterrupted movement of the piston assemblies. These “lollipop” pistons are required for electricity generation from waves. | 08-07-2014 |
20140217734 | WAVE-MAKING AND POWER-GENERATING SYSTEM - A wave-making and power-generating system uses a motor reducer to move a wave-making drum up and down in a water reservoir via a rocker arm, causing a float to rotate a power generator for generating electricity by a transmission mechanism via an inertial wheel set. A small amount of electricity can move the wave-making drum to drive the power generator to generate electricity. Multiple floats can be used with a respective transmission mechanism and a respective inertial wheel set to drive one power generator. | 08-07-2014 |
20140217735 | OCEAN WAVE GENERATOR AND OCEAN WAVE GENERATOR SYSTEM - An ocean wave generator device, comprising: a first buoy, a first flared opening, a second flared opening, and a generator component, wherein said first flared opening and second flared opening are respectively disposed on two sides of said generator component and are, along with said generator component, fixed to said first buoy; ocean wave water passes via one flared opening to said generator component, and then flows via said generator component to the other flared opening. The present invention also provides an ocean wave generator system comprising the ocean wave generator device and a position fixing device. The ocean wave generator system fully utilizes the lateral kinetic and potential energy as well as the undulating vertical kinetic and potential energy of ocean waves. By using the diffraction principles of waves, the present invention allows for the large-scale harnessing of the ocean waves that rush inward along the coastline, and allows for greatly reduced implementation costs. | 08-07-2014 |
20140217736 | Wave-Driven Power Generation System - A wave-driven power generation system that uses a motor reducer to turn a rocker bar in moving wave-making barrels alternatively up and down, causing creation of water waves in water reservoirs so that float boards in the water reservoirs are moved by created water waves to rotate a transmission gearbox that is coupled to a power generating unit through an inertia wheel set, and thus, the power generating unit is driven to generate electricity. | 08-07-2014 |
20140217737 | WAVE-POWER ELECTRICITY GENERATION SYSTEM - The invention relates to a wave-power system for generating electricity, in which a pendular buoy captures the wave energy and transfers the movement unidirectionally to a flywheel inside a pressurised box. The shaft of the flywheel transmits the energy to a hydraulic pump and the hydraulic flow travels through flexible tubes into a Pelton turbine. The shaft of the turbine moves a variable-weight flywheel which transmits its movement to a transmission shaft to which multiple reduction gearboxes are connected in series. A high-pressure air compressor is connected for each gearbox, the compressors being placed in parallel and joined to a steel matrix that is in turn connected to a large-volume hyperbaric tank for storing pneumatic energy. A throttling control the speed and power thereof, and the mechanical force of the pneumatic motor is transferred to the electric generators. | 08-07-2014 |
20140232115 | Funnel Jet Electric Generator - A funnel jet electric generator includes at least one funnel jet each having a funnel body defining a channel, a funnel extension tube connected to a first end portion of the funnel body for capturing a wave crest, and a nozzle connected to a second end portion of the funnel body, wherein the wave crest is guided into the funnel body along the channel and projects out through the nozzle to produce a water jet. The kinetic energy of the water jet is transmitted to the electric generator for producing electricity through the power transmission system. | 08-21-2014 |
20140232116 | HEAVE PLATES THAT PRODUCE LARGE RATES OF CHANGE IN TETHER TENSION WITHOUT GOING SLACK, AND ASSOCIATED SYSTEMS AND METHODS - Apparatuses and associated methods for converting wave energy into electrical energy are disclosed herein. In some embodiments, a surface-based buoy can be connected to a magnetostrictive element that changes its output voltage when subjected to the in tension. To keep the heave plate under tension, a tether with a heave plate can be attached to the magnetostrictive element. Since the magnetostrictive element can be sensitive to zero tension (e.g., a slack in the tether) followed by a sudden increase in the tension, in at least some embodiments it is preferred to keep the magnetostrictive element tensioned at all times. In some embodiments of the present technology, an inertia-dominated heave plate may be designed to sink faster than the buoy falls in the trough of the wave, therefore keeping the tether tensioned at all times. For example, the design (e.g., mass, diameter, height) of the heave plate can be such that the static force of gravity S exceeds a sum of the drag D and inertia I under expected wave conditions. | 08-21-2014 |
20140239642 | Wave-Driven Power Generation System - A wave-driven power generation system that uses a motor reducer to turn a rocker bar in moving wave-making barrels alternatively up and down, causing creation of water waves in a water reservoir so that a float board in the water reservoir is moved by created water waves to rotate transmission mechanisms that are coupled to respective power generators through inertia wheel sets, and thus, the power generators are driven to generate electricity. | 08-28-2014 |
20140239643 | SYSTEM FOR GENERATING ELECTRICAL ENERGY FROM SEA WAVES - A system for generating electrical energy from sea waves comprising a floating body and a gyroscope structure ( | 08-28-2014 |
20140265338 | ASYMMETRIC FLOATS FOR WAVE ENERGY CONVERSION - A wave energy converter (WEC) includes a prismatic float having a quadrilateral-like cross section including a front plate, for facing incoming waves, a top plate, a bottom plate and a back plate. The front plate is connected at its top edge to the front end of the top plate which is disposed to be generally parallel to the surface of the water and at its bottom edge to the front end of the bottom plate. The plates are interconnected such that the sides of the top and front plates define an acute angle and the sides of the front and bottom plates define an obtuse angle. The back panel is connected between the back end of the top plate and the back end of the bottom plate. The exterior angle between the back panel and the top plate is generally less than 90 degrees. An extension plate may be added to the bottom plate which extends rearward of the float. | 09-18-2014 |
20140265339 | WAVE ENERGY CONVERTER SYSTEM - The invention is a wave energy device which optimizes energy conversion from waves with a stable submerged platform coupled to compliant chain of floats (“pods”) which are connected to the platform by piston pumps. Wave action drives pumps to deliver pressurized water to a hydro turbine coupled to an electric generator for delivery of electric power to shore via a submarine cable. Alternatively, the pressurized water may be delivered to shore through pipes on the ocean floor, to generate electric power, also as input flow for reverse osmosis potable water production and for cooling applications. | 09-18-2014 |
20140265340 | Maximizing Output of a Generator Operating Under the Influence of Wave Motion by Applying an Optimum Restoring Force - A system and method for harnessing power associated with ocean waves and converting that power into electricity. The apparatus houses a vertically oriented central shaft, a pendulum, a generator, and other components that operate to optimize power output of the generator. Various operating parameters may be initially set and later changed to effectuate a restoring force applied to the apparatus against wave motion so that generator output is maximized. The optimum restoring force may vary according to changing environmental conditions. A library of environmental data and associated parameter values, tuning responses, and the like is stored at a central location or local to the apparatus. | 09-18-2014 |
20140265341 | Apparatus and method for generating electricity using gravity acceleration and buoyancy - Gravitational potential energy of a weight raised to a height is converted into kinetic energy and then into electricity, as the weight falls from the height. An apparatus includes a buoyant weight, a gravity fall chamber including a chain, a buoyancy chamber including a liquid, and a receiving portion connecting the gravity fall chamber and buoyancy chamber. The buoyant weight is raised to the height near a top of the gravity fall chamber and then allowed to fall from the height. The fall of the weight moves the chain which in turn operates a generator for producing electricity from the potential energy. After falling from the height, the weight is submerged in the liquid in the receiving portion and rises to a surface level of the liquid inside the buoyancy chamber before being positioned in a predetermined position for another fall in the gravity fall chamber. | 09-18-2014 |
20140300110 | WAVE ENERGY GATHERING AND ENHANCING DEVICE - The present disclosure provides a wave energy gathering and enhancing device disposed in a setting area of the sea-bed. A seawater wave approaches the wave energy gathering and enhancing device with a wave vector. The wave energy gathering and enhancing device comprises a plurality of structures. The plurality of structures are arranged below the sea surface in a two-dimensional symmetric discrete group. Each of the structures has a top surface and the top surface is located below the sea surface with a predetermined depth. A lattice with a definte lattice constant is formed by the plurality of structures. The lattice plane formed by the structures and the wave vector of the seawater wave form an angle. The structures enhance the amplitude of the seawater wave when the seawater wave interacts with and passes through the structures. | 10-09-2014 |
20140306454 | Ocean Energy Generating Device and Built-in Module Thereof - The present invention provides an ocean energy generating device and a built-in module thereof. The built-in module of an ocean energy generating device includes an inner frame, a rotating shaft, a driving unit, at least one horizontal-axis generator, and at least one water flow deflector. The rotating shaft is rotatably disposed at the inner frame. The driving unit is connected with the rotating shaft to drive the rotating shaft to rotate. At least one horizontal-axis generator is fixed to the rotating shaft and a direction of an axis of the horizontal-axis generator is parallel to a horizontal plane. The water flow deflector is fixed to the inner frame. The ocean energy generating device includes at least one built-in module of the ocean energy generating device and an outer frame. The inner frame is detachably disposed in the outer frame. | 10-16-2014 |
20140306455 | WAVE ENERGY CONVERSION SYSTEM - A system and method comprising a first, second and third hull. An arm extending from the first hull to the second hull where the arm is coupled to a power take off module in the second hull for transferring relative motion between the second hull and the arm into electrical energy. A second arm extending from the second hull to the third hull. The second arm coupled to another power take off device in the third hull for transferring relative motion between the third hull and the second arm into electrical energy. | 10-16-2014 |
20140319839 | WAVE POWER PLANT - The invention relates to a wave power plant, comprising a floating body ( | 10-30-2014 |
20140353972 | Water Flow Regulating Device And Ocean Power Generating Device Using The Same - The present invention provides a water flow regulating device and an ocean power generating device using the same. The water flow regulating device includes a main body, a water deflector, a rotating shaft, a winding shaft, a rope or cable, and a driving unit. The water deflector is pivotally connected with the main body. The rotating shaft is rotatably disposed at the main body. The winding shaft is disposed at the main body. One end of the rope or cable is fixed to the water deflector, and the other end bypasses the rotating shaft and the winding shaft, goes back to the water deflector and is fixed to the water deflector. The driving unit is connected with the rotating shaft to drive the rotating shaft to rotate, such that the rope or cable is driven to withdraw or release to control the water deflector to rotate. | 12-04-2014 |
20140353973 | POWER GENERATION APPARATUS USING WAVE ENERGY CONVERSION BY GRAVITY - A power generation apparatus ( | 12-04-2014 |
20140353974 | POWER GENERATING DEVICE UTILIZING OSCILLATING WATER FOR CONVERTING INTO WAVE POWER - A power generating device utilizing oscillating water for converting into wave power ( | 12-04-2014 |
20140361542 | SYSTEMS AND METHODS FOR STORING AND GENERATING ENERGY - A method for storing potential energy and generating electrical energy. The method has the steps of accumulating and storing potential energy, converting the potential energy to mechanical energy at the election of a user, and converting the mechanical energy to electrical energy. There are various embodiments of energy storage and generation systems for carrying out the steps of the method. | 12-11-2014 |
20140375058 | FLOATING WAVE POWERED GENERATOR - A wave powered generating device includes a floating vessel with onboard pendulum mechanism, an anchor with a mooring chain connected with the vessel, a lever arm, an upstanding post having a tip connected with the lever arm and a foot coupled with a universal coupler, a pendulum moveably mounted on the lever arm being erected above a platform deck of the vessel by the upstanding post, a gear mechanism incorporating with a centrifugal flywheel coupled with the universal coupler via a transmission mechanism for delivery of momentum of the pendulum, and a power generating mechanism driven by the gear mechanism. Under undulating waves, the pendulum, being mounted on the lever arm, sways laterally around an axis of the upstanding post, causing the upstanding post to rotate hence delivering the momentum of the pendulum to drive the power generating mechanism via a transmission shaft and the gear mechanism. | 12-25-2014 |
20150014996 | ENERGY PLANT AND PARTS OF AN ENERGY PLANT - The invention pertains to underwater energy plants utilizing water movement due to e.g. waves, tide or stream. The invention also relates to parts of such a plant, namely an underwater wing for capturing wave energy, apparatus to convert the mechanical energy to electrical energy, and a connector for transferring the electrical energy. In certain embodiments of the invention, a wing causes a moment around hinging axis due to water flow with autonomous or tethered in-hinge electric generator and underwater attachable high power electric connector based on inductive transfer of energy. | 01-15-2015 |
20150021918 | DEVICE FOR CONVERSION OF MECHANICAL ENERGY FROM SEA WAVES TO ELECTRIC ENERGY | 01-22-2015 |
20150028595 | Device For Converting Wave Energy Into Mechanical Energy - A wave power plant for extracting power from the wave movement of a water surface area, said wave power plant comprising a frame construction in which at least one rotor is journalled, and wherein the rotor is suspended in the frame construction on a rotor shaft which is, in the normal use situation of the wave power plant, essentially horizontal to the effect that the rotor is able to rotate about the rotor shaft which is retained in the frame construction, and wherein means are configured for maintaining each of the rotors partially immersed in a water surface area. The invention provides increased output efficiency of such wave power plant by the rotors being mounted on the rotor shaft via a free-running mechanism which is configured such that the rotor is able to transfer momentum to the rotor shaft essentially only when it rotates the one way about the rotor shaft. | 01-29-2015 |
20150035283 | WAVE POWER GENERATING APPARATUS - This disclosure relates to a wave power generating apparatus capable of operating a generator with a tidal motion and wave energy of the tide to be converted into electric energy, and more particularly, to a wave power generating apparatus capable of generating power by transmitting a rotating force to a power transmission shaft by means of a tidal motion of the tide when a float moves upwards and simultaneously capable of generating power by transmitting kinetic energy of the float obtained by lateral force of the tide to the power transmission shaft. | 02-05-2015 |
20150042095 | Tidal Current Generating Device and Installation Frame Thereof - This invention provides a tidal current generating device and an installation frame thereof. The tidal generating device includes an installation frame, at least three hydro turbines, and at least one power generation module. The installation frame of the tidal current generating device includes an outer frame and at least two buoy units. The at least two buoy units are disposed on two sides of the outer frame. When the installation frame of the tidal current generating device is used, the at least two buoy units are vertical to a horizontal plane and parallel to a direction of water flow. The at least three hydro turbines are disposed in parallel within the outer frame. The at least one power generation module is connected with the three hydro turbines. When water flows to the hydro turbines, the hydro turbines rotate to drive the power generation module to generate power. | 02-12-2015 |
20150054285 | WAVE ENERGY CONVERTER - A wave energy converter has a shell, a pendulum pivotally positioned in the shell and having either a magnet or a coil connected or interconnected thereto, a variable inductor for varying an inductive capacity and positioned in the shell, and a pendulum adjuster operatively connected to the pendulum so as to change a center of gravity of the pendulum. The variable inductor has either a magnet and a coil connected or interconnected thereto. At least one of the magnet and the coil oscillates relative to the magnet or the coil of the variable inductor. A shaft is connected to the pendulum so as to move in relation to the pivotal movement of the pendulum | 02-26-2015 |
20150069760 | METHOD FOR CONVERTING THE ENERGY OF WATER WAVES INTO ELECTRICITY BY MEANS OF A WAVE POWER PLANT AND A WAVE POWER PLANT - A method for converting the energy of water waves into electricity by means of a wave power plant and a wave power plant, which comprises a floating body ( | 03-12-2015 |
20150069761 | Wave Energy Convertor - An inexpensive, low-tech wave energy convertor utilizes reciprocating rotational motion of a float and float arm caused by repeated wave action to drive an electrical generator in order to produce electricity. A mount is anchored into an area of water experiencing wave action. A pulley support frame is connected to the mount. A float arm is lifted repeatedly by waves, producing rotational motion on an input axle. At least one pulley system transfers power from the input axle to an output axle connected to the electrical generator. The at least one pulley system multiplies the input rotation through mechanical advantage into a much faster angular speed at the output axle. A ratchet gear disengages influence of the float arm on the system on the downstroke. A flywheel stores rotational energy in order to maintain stabile rotational rate on the downstroke. | 03-12-2015 |
20150076826 | METHOD AND SYSTEM FOR GENERATING GREEN ENERGY FROM A TIDAL BODY OF WATER - A system and method are providing for generating green energy from a tidal body of water. When a first arm is in a raised position and a second arm is in a lowered position, a valve in the bottom of a tank at approximately high tide level opens to fill a first container on the end of the first arm and a valve in the bottom of a second container on the second arm opens to empty the second container. When the first container is full and the second container is empty, the first arm falls and the second arm rises. Another valve in the bottom of the tank opens to fill the second container and a valve in the bottom of the first container opens to empty the first container. The arms are connected to a crankshaft to power a device. | 03-19-2015 |
20150076827 | ENERGY HARVESTING SYSTEMS FOR POWER TAKE-OFF (PTO) MODULES - Systems include buoys, tethers, and power take-off (PTO) modules to generate electrical energy from the mechanical energy of ocean waves. | 03-19-2015 |
20150091303 | WINGS VARIABLE TIDAL AND WIND POWER GENERATOR INCREASED GENERATION EFFICIENCY - Disclosed herein is a variable blade type tidal and wind power generator with increased generation efficiency. The tidal and wind power generator includes an installation frame ( | 04-02-2015 |
20150091304 | ENERGY-CAPTURING FLOATING BREAKWATER - Disclosed is a single degree of freedom (DOF) apparatus of extremely high efficiency, which also serves as an effective floating breakwater. The apparatus comprises a unique asymmetric heaving floating body that exhibits minimal influence from viscosity effects. The asymmetric heaving floating body is coupled to a Permanent Magnet Linear Generator (“PMLG”) that serves as a power take off (“PTO”) system. A support structure used to install the apparatus in a desired location is also disclosed. The support structure is designed so as to restrain lateral force and pitching moment. Similarly, the asymmetric floating body is designed to minimize viscosity effects when in motion and for effectively transferring incident wave energy to the PTO. At least one preferred embodiment of the present invention may be referred to by the name “Berkeley Wedge.” | 04-02-2015 |
20150102604 | Energy from Ocean Waves - The invention provides a very cost effective and very simple option to generate energy from ocean waves with minimum investment possible. It basically is a round shaped floating object with multiple generators on edge evenly part from one another. Each generator tied to the ocean floor with cable on angel. The ocean wave moves the 15 disc around which results a motion in generators. This generates electricity. This design can be used as a private power house for some island resorts too. | 04-16-2015 |
20150123406 | WAVE POWER PLANT - A wave power plant ( | 05-07-2015 |
20150130190 | Mechanical wave/oscillation translator to produce rotary shaft power - Transverse and longitudinal wave energy is transformed into useful mechanical energy. The basic unit is composed of a linkage body with a socket located at each end. A main bevel gear inserted into each socket engages with a bevel gear attached to a transverse power shaft. A one way clutch permits the bevel gear to move in one direction. A number of these units can be connected end on end to magnify the mechanical energy transformed from wave energy. The terminus of the transverse power shaft is connected to the rotor of an electrical generator. As the linkage bodies interact with the force of the waves, the transverse power shaft is rotated which then causes the rotor of the electric generator to spin creating electricity. | 05-14-2015 |
20150145258 | LINEAR FARADAY INDUCTION GENERATOR FOR THE GENERATION OF ELECTRICAL POWER FROM OCEAN WAVE KINETIC ENERGY AND ARRANGEMENTS THEREOF - A spring suspension system includes a top spring assembly connected to a top end of a stator and a top end of a cable and a bottom spring assembly connected to a bottom end of the stator and a bottom end of the cable. The top spring assembly includes a central spring connected to the top end of the cable at a bottom end of the central spring and a set of symmetrically arranged springs, each connected to the top end of the stator and to a top end of the central spring, configured to accommodate torsional and rotational components of an input force. | 05-28-2015 |
20150292472 | WAVE ENERGY CONVERSION SYSTEM - A wave energy conversion system is provided including a pod, multi-radius energy transmission mechanism, and an electrical generating device. The pod is rotatably supported by a platform structure and the multi-radius energy transmission mechanism is in mechanical communication with the pod. The multi-radius energy transmission mechanism is configured to transmit a variable torque over a range of motion and is in mechanical communication with the electrical generating device. | 10-15-2015 |
20150337795 | Apparatus for converting wave motion on a body of water into electrical power - Apparatus for converting wave motion on a body of water into electrical power includes an electrical power generating system. The system includes a floatable housing. An electrical power generating unit is disposed within the floatable housing. The electrical power generating unit includes two spaced apart wheels which are connected by a drive element, and at least one generator for generating electrical power. A weight is connected to the drive element. When the system is tilted by wave motion, the weight moves toward the lower wheel, thereby turning the wheels and generator(s) and creating electrical power. In an embodiment, two weights are combined to provide drive element movement in a single direction. In another embodiment, the weight travels along a track which has two upturned ends. | 11-26-2015 |
20150345462 | WATER PRESSURIZING INTERGRATED ENERGY CONVERSION AND POWER-GENERATION SYSTEM COLLECTING MARINE WAVE ENERGY - Disclosed is a pressurised-water integrated-type energy conversion and power-generation system collecting marine wave energy, comprising an energy conversion and power-generation working platform ( | 12-03-2015 |
20160003214 | OPTIMIZED HEAVE PLATE FOR WAVE ENERGY CONVERTER - A device for converting wave energy includes a surface float, a heave plate, at least one load carrying structure that is mechanically coupled to at least one component of at least one generator on the surface float and the heave plate. The heave plate has an asymmetric geometry to facilitate a first level of resistance to movement in an upward direction and a second level of resistance in a downward direction. The first level of resistance is higher than the second level of resistance. The at least one load carrying structure includes a flexible tether. The at least one component is configured to experience force changes caused by hydrodynamic forces acting on the surface float and heave plate. | 01-07-2016 |
20160006317 | LINEAR GENERATOR AND LINEAR DRIVE - Device for the reversible transfer of linear motion into rotational motion and for the conversion of rotational motion into electrical energy and vice versa. The device comprises a central rail and a support element which surrounds the central rail or is being surrounded by the central rail, the support element being positioned so as to be capable of performing a linear motion relative to the central rail in the longitudinal direction of the central rail. A number of rolling bodies which are in contact with the central rail are rotationally mounted in the support element. The rolling bodies rotate during the linear motion of the support element relative to the central rail in conjunction with the central rail. The linear motion is also connected to the drive or output of an electric machine. The elastically preloaded rolling bodies are arranged so that the central rail is essentially mounted with zero clearance under pressure, whereby the preload forces cancel each other out and are produced by elastically deformed retaining brackets on the support element. The rotations of at least one rolling body form the drive or output of the electric machine. | 01-07-2016 |
20160010619 | LINEAR FARADAY INDUCTION GENERATOR FOR THE GENERATION OF ELECTRICAL POWER FROM OCEAN WAVE KINETIC ENERGY AND ARRANGEMENTS THEREOF | 01-14-2016 |
20160017860 | ELECTRICAL GENERATION SYSTEM BASED ON TIDAL FLOW - An electrical generation system based on tidal flow includes a reservoir and a fluid inlet tube extending between a tidal source and the reservoir. The inlet tube has at least one inlet turbine generator disposed therein. The fluid inlet tube extends along a first level. A fluid outlet tube extends between the reservoir and the tidal source. The fluid outlet tube has at least one outlet turbine generator disposed therein. The fluid outlet tube extends along a second level vertically lower than the first level. During high tide at the tidal source, tidal fluid flows from the tidal source, into the fluid inlet tube, past the at least one inlet turbine generator, and into the reservoir and during a low tide at the tidal source, the tidal fluid flows from the reservoir, into the fluid outlet tube, past the at least one outlet turbine generator, and to the tidal source. | 01-21-2016 |
20160032886 | WAVE POWER ELECTRICITY GENERATION DEVICE - A wave power electricity generation device includes a base unit, an electricity generation unit mounted on the base unit, a driving unit and a pneumatic unit. The driving unit is pivoted to the base unit, and includes a floating frame and a swing arm that is pivoted to the base unit and that interconnects the electricity generation unit and the floating frame. The driving unit is adapted to be driven by waves to drive operation of the electricity generation unit and to actuate operation of the pneumatic unit for compressing air into high pressure air that is to be stored in the floating frame. The high pressure air is released to actuate the electricity generation unit when the electricity generation unit is unable to be driven due to insufficient waves. | 02-04-2016 |
20160061180 | WAVE ENERGY CONVERTER - A marine wave energy converter is described, comprising a flexible spine ( | 03-03-2016 |
20160075409 | SYSTEMS AND METHODS OF MOORING AN ARRAY OF WAVE ENERGY CONVERTERS - Contemplated mooring systems have one or more primary tethers that extend laterally and to which respective pluralities of independent secondary tethers are coupled that in turn are coupled to floating marine devices, and especially wave energy converters. The primary tethers are coupled to preferably static seabed anchors and will so provide a simple and dynamic mooring system that provides multiple operational advantages while allowing for simple deployment and maintenance. | 03-17-2016 |
20160076512 | METHOD AND SYSTEM FOR CONNECTING BUOYANT MEMBERS - A method and system of connecting buoyant members of an Attenuator type Wave Energy Converter (WEC] for converting the energy of water waves to electricity. By coupling a joint between two buoyant members of the WEC into the hull of one of the members, removes the joint from the exposure of the elements, slowing down the wear and tear on the joint from wind, sun and water. Furthermore, any required repair of the joint occurs in the substantially dry hull of one of the members reducing the need for the repair to be conducted in water. The joint keeps the members linked during heave, roll and yaw forces placed on the linked members by the moving water. | 03-17-2016 |
20160076513 | A WAVE ENERGY CONVERSION SYSTEM - A system and method comprising a first, second and third hull. An arm extending from the first hull to the second hull where the arm is coupled to a power take off module in the second hull for transferring relative motion between the second hull and the arm into electrical energy. A second arm extending from the second hull to the third hull. The second arm coupled to another power take off device in the third hull for transferring relative motion between the third hull and the second arm into electrical energy. | 03-17-2016 |
20160108884 | WAVE POWER GENERATION SYSTEM AND MOTION CONTROL MODULE THEREOF - A wave power generation system comprises a heavy plate; an expansion pipe installed on a top of the heavy plate; a motion module installing on a top of the expansion pipe; a buoy installing on a top of the motion module, a top end of the motion module through the buoy and the top end connected to the buoy; and a motion control module having a base installing in the heavy plate; a driving unit installed in the base; and multiple blades coupled to the driving unit. | 04-21-2016 |
20160131102 | ENERGY HARVESTING SYSTEM FOR OCEAN WAVES - Disclosed is an energy harvesting system for ocean waves. The energy harvesting system includes each of a buoyant platform and a plurality of wave energy harvesting units. The buoyant platform is configured to float above the ocean bed. Further, each wave energy harvesting unit may be tethered between the buoyant platform and the ocean bed. Additionally, a wave energy harvesting unit may be configured to be actuated by motion of the buoyant platform. Accordingly, the wave energy harvesting unit may absorb energy from the buoyant platform's movement resulted from the ocean waves. | 05-12-2016 |
20160138558 | ELECTRICAL GENERATION SYSTEM BASED ON TIDAL FLOW - An electrical generation system based on tidal flow includes a reservoir and a fluid inlet tube extending between a tidal source and the reservoir. The inlet tube has at least one inlet turbine generator disposed therein. The fluid inlet tube extends along a first level. A fluid outlet tube extends between the reservoir and the tidal source. The fluid outlet tube has at least one outlet turbine generator disposed therein. The fluid outlet tube extends along a second level vertically lower than the first level. During high tide at the tidal source, tidal fluid flows from the tidal source, into the fluid inlet tube, past the at least one inlet turbine generator, and into the reservoir and during a low tide at the tidal source, the tidal fluid flows from the reservoir, into the fluid outlet tube, past the at least one outlet turbine generator, and to the tidal source. | 05-19-2016 |
20160138560 | WATER CURRENT POWER GENERATION STRUCTURE - A water current power generation structure including: a power generation unit including a main body, a mounting portion which extends from the main body and which defines a mounting axis; a support structure adapted for engagement with a bed of a body of water, and including a support housing; wherein the structure further includes a yaw mechanism for rotating the power generation unit relative to the support structure, the mechanism including: a pinion associated with the mounting portion; and a gear associated within the support housing and arranged to engage the pinion to rotate the power generation unit about the mounting axis relative to the support structure; and a selective engagement mechanism for selectively engaging the yaw mechanism. | 05-19-2016 |
20160146178 | Hydroelectricity and Compressed-air Power Plant System - A hydroelectricity and compressed-air power plant system includes a first fill pool, a plurality of internal fill tanks, an external fill tank, a wave channel, a plurality of air-generator units, a second fill pool, at least one air storage tank, and at least one generator system. The first fill pool is selectively in fluid communication with the external fill tank through the plurality of internal fill tanks while the external fill tank is selectively in fluid communication with the second fill pool through the wave channel. The second fill pool is selectively in fluid communication with the first fill pool through the at least one generator system so that a set amount of water can be circulated within the power plant system as it generates compressed-air from the plurality of air-generator units and electricity from the at least one generator system. | 05-26-2016 |
20160169188 | A HEAVING BUOY POINT ABSORBER | 06-16-2016 |
20160177912 | Reciprocating Motion Energy Conversion Apparatus | 06-23-2016 |
20160186715 | BUOY FOR OBTAINING ENERGY FROM A WAVE IN A BODY OF WATER - A buoy for obtaining energy from a wave in a body of water, and associated methods are disclosed. The buoy can include a floatation portion to provide buoyancy for the buoy in water. The buoy can also include a ballast portion operable with the floatation portion to move in a pendulum motion in response to a wave in the body of water. The floatation portion can be substantially maintained above the ballast portion. In addition, the buoy can include an energy conversion device to generate power in response to the pendulum motion of the ballast portion. | 06-30-2016 |
20160377046 | IMPROVED FACILITY FOR CAPTURING SEA ENERGY - The invention provides improvements to the facility described in patent applications WO 2011/123966 and CL 0260-2013 by means of an improved facility for capturing sea energy, which increases the stability of the system and stimulates the relative movement for generating energy, and comprises a main structure and a driving tank ( | 12-29-2016 |
20160377047 | DEVICE AND METHOD FOR CONVERTING WAVE MOTION ENERGY INTO ELECTRIC POWER - A device and a method for converting wave motion energy into electric power are described. The device includes at least one support structure and a support frame to connect the floating element to the support structure. A linear element of motive power mounted on the support frame is movable with respect to the floating element and transfers motion to a motion conversion and transmission unit that converts linear motion into rotary motion, which drives kinetic energy accumulation elements and one or more electric power generators. The motion conversion and transmission unit, the kinetic energy accumulation elements and the electric power generators are all incorporated in the floating element. | 12-29-2016 |
20170234291 | FLOATING WAVE ENERGY CONVERSION ISLAND PLATFORMS | 08-17-2017 |
20190145373 | SUBMERGED WAVE ENERGY CONVERTER FOR SHALLOW AND DEEP WATER OPERATIONS | 05-16-2019 |
20220136481 | BUOY WITH RADIATED WAVE REFLECTOR - Disclosed is buoyant wave energy capture device, adapted to float adjacent to an upper surface of a body of water over which waves pass, and adapted to capture a portion of the radiated waves created by its own rising and falling in response to incident and/or passing environmental waves. A power take off mechanism combined with the disclosed wave energy capture device may be tuned to a specific wave frequency, and thereby optimally extract energy from a motion of a single frequency, even the wave energy capture device may be excited and/or energized by waves of any of a relatively broad range of frequencies, thereby increasing the power-generation and cost efficiencies of such devices relative to wave energy conversion devices of the prior art. | 05-05-2022 |