Abstract: A reaction mass and a spring are configured to form an “oscillator”. The reaction mass is coupled to, and can wrap around, a first pulley via a first belt/cable. The spring is coupled to, and can wrap around, a second pulley via a second belt/cable. The first and second pulleys are mechanically linked together and are mounted so they rotate in tandem. The diameter of the second pulley is different than the diameter of the first pulley to cause the reaction mass to travel a different distance than the spring in response to the up down motion of the reaction mass. The first and second pulleys may be circular with the second pulley being made smaller than first. Alternatively, the first pulley may be circular and the second pulley a cam of varying radius.

Abstract: 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.

Abstract: A kinetic energy converter for converting linear motion into electrical energy has an outer body and an inner cylindrical body. The outer body and the inner body define a common central axis wherein the outer body is movable along the central axis with respect to the inner cylindrical body. A stator winding of a plurality of turns of at least one electrically conductive wire is disposed about an inner periphery of the inner body. A rotor having a central shaft and a plurality of magnets radially extending therefrom is rotatably disposed within the inner body and rotatable about the central axis. A helical blade extends from one end of the outer body to the rotor and is interengaged with the rotor wherein axial translation of the blade rotates the rotor about the central axis.

Abstract: The invention relates to an energy converting device for energy systems (2) for convening mechanical energy into hydraulic energy and then into electric energy, said device using a control fluid (3) as the energy transporting medium. The control fluid is subjected to a variably changing pressure by at least one first converting device (5) that converts the mechanical energy into hydraulic energy. The energy converting device comprises at least one second subsequent convening device (7) that converts the hydraulic energy into electric energy. The invention is characterized in that the second convening device (7) is divided into a first control circuit (9) and a second control circuit (11), the two of which can be supplied with the control fluid (3) of variable pressure at the circuit input side (13) by the first convening device (7) and the two of which have predominantly different pressure levels.

Abstract: 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.

Abstract: A wave energy converter (10) comprises an energy absorption unit (100) arranged to absorb energy generated by movements of water when the wave energy converter is arranged in a pool of water, an energy accumulation unit (200) connected to the energy absorption unit, and a power generation unit (300) connected to the energy absorption unit. The energy accumulation unit is arranged to accumulate energy from the energy absorption unit when the energy absorption unit absorbs more power than the power generation unit generates and to dissipate energy to the power generation unit when the energy absorption unit absorbs less power than the power generation unit generates. By providing hydraulic components in these units, an efficient and flexible wave energy converter is provided.

Abstract: 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.

Abstract: The present invention includes a drive system for use in a flowing fluid, the drive system preferably having a first turbine connected to a shaft, a first gear connected to the shaft, a second turbine rotatably mounted on a pipe, a second gear rotatably mounted on the pipe and connected to the second turbine, and two or more satellite gears in fixed locations relative to the pipe and rotatably engaged, directly or indirectly, with the first gear and the second gear. The drive system may be used, for example, in a wind generator to generate electrical energy.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: In this invention, high-efficiency wind power generators are mounted on floats that are attached to bridge and other structures for generating electricity from hydrokinetic energy in water waves, currents and tides without submerging the wind power generators in the water. The use of bridge and other dual-use structures substantially reduces the capital cost necessary for installing this system to generate electricity in small as well as large amounts. Today, the systems for converting wind energy to electricity are far more advanced and efficient than existing systems for converting hydrokinetic energy. This invention could produce energy for water-transport vessels as well as for electric utilities.

Abstract: A water flow electricity generating device includes: an annular stator in which a coil is provided; a permanent magnet that causes a magnetic force to act on the coil; a rotor main body that is disposed on an inner circumferential side of a stator core to support the permanent magnet; a blade support unit that is provided on a front side of the rotor main body; a rotor that includes a rotating blade projecting radially outward from the blade support unit; and water-lubricated bearings that are provided in the stator while being opposed to the rotor main body, the water-lubricated bearings supporting loads in a thrust direction and a radial direction. The blade support unit is disposed on a front side of the rotor main body, and the rotor includes a float unit that is provided on the front side of the rotor main body.

Abstract: 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.

Abstract: A hydraulic-electrical transducer, a transducer arrangement having a plurality of such transducers, and a method for driving a hydraulic-electrical transducer includes driving two adjustable hydraulic machines of each transducer in such a way that a predetermined damping pressure is set in a pressure line of a pump of a PTO (Power Take Off device) depending on the mechanical power which is input into the PTO.

Abstract: 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.

Abstract: 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.

Abstract: Apparatus, intended to be deployed in a body of water, includes a payload comprised of a multiplicity of different electronic and electromechanical loads and a wave energy converter (WEC) system responsive to the amplitude of waves in the body of water for producing electrical power, which is a function of the wave amplitudes, to power the payload. The apparatus includes switching circuitry for controlling the application of power to selected ones of the loads. Control circuitry and devices which are responsive to the electric power being produced control the switching circuitry for controlling the amount of power supplied to, and consumed by, the loads.

Abstract: 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.

Abstract: 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.

Abstract: A device comprising a float (5) and a pivoting assembly of a rigid beam (10) and an elastic beam (30), firmly connected to each other, pivoting about a stationary point (15). The device transforms the rise and falls of the ocean waves into usable mechanical energy. In one embodiment, the elastic beam is latched into a latch mechanism (150). The latch mechanism obstructs the elastic beam to continue moving. The elastic beam deflects and accumulates potential power. When the elastic beam is released, it moves with a high speed and momentum. In another embodiment this momentum is utilized to counter-rotate an electric generator's two rotors (251, 252). A method of transforming the energy of a mass in reciprocating motion to electrical power.

Abstract: A system for altering water properties in an outdoor body of water includes a holding vessel configured to hold water. The holding vessel has at least one wall extending above a mean surface water level. The system also includes at least one conduit extending downward from the holding vessel. The at least one conduit has a length extending to a depth at which at least one property of water at the depth differs substantially from that of water at the surface. The system further includes at least one aperture formed in at least one of the holding vessel or the at least one conduit and located at a distance below the mean surface water level. Further still, the system includes at least one one way valve coupled to the at least one aperture and allowing flow of water in only one direction.

Abstract: A system for converting kinetic wave energy from a dynamic fluid into electrical power, the system including a structural housing containing a piezokinetic assembly having a plurality of electromechanical coupled elements, and a dynamic assembly, coupled to the piezokinetic assembly; and charge storage devices or power consumption devices in an electronics module coupled to the piezokinetic assembly. When the exposed to the dynamic fluid medium, the dynamic fluid medium's wave energy couples with the structural housing causing a resulting displacement of the dynamic assembly contained therein. The displacement of the dynamic assembly causes a plurality of the electromechanical coupled elements to simultaneously flex, generating an electrical charge which may be either stored in the charge storage device or which may directly power the power consumption device.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A system is described generally for providing a structure or structures for altering water surface temperature. The system includes a holding vessel configured to hold water. The holding vessel has at least one wall coupled to a lowermost portion. The at least one wall extends above the water level and the lowermost portion is configured to be submerged. At least one conduit extends from the lower side of the holding vessel. The at least one conduit has a length extending to a depth at which a property of water at the depth is substantially different from that of the water at the surface.

Abstract: The invention relates to a wave power unit having a submerged station anchored on the sea bottom, a floating body floating on the sea surface and flexible connection means (3) connecting these. The submerged station has a linear generator with a reciprocating translator. According to the invention, the station includes a guiding device (9) for the flexible connection means (3). The guiding device (9) has a plurality of rotatable rollers (15a-18c). The rollers (15a-18c) form a passage for the flexible connection means (3). The invention also relates to use of the wave power unit and to a method for producing electric power.

Abstract: 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.

Abstract: 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.

Abstract: Embodiments of an apparatus for harvesting electrical power from fluid motion are described. The apparatus includes a magnetostrictive component having an internal pre-stressed magnetostrictive core. A 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. Also, forces at least partially due to fluid motion results in changes of stress within the magnetostrictive core and consequently change the magnetic property. The magnetostrictive component is further configured such that the change in the magnetic property will result in a change in the magnetic flux, which can be used to generate electrical power.

Abstract: 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 transmission shaft provided on the floating member, a ratchet having a plurality of ratchet teeth, a pull disk, a speed increasing device, a power generator, and a driving device, wherein the transmission shaft is rotatably mounted on the floating member through a shaft bearing, and is operatively connected to the power generator through the speed increasing device, the ratchet teeth is extended in a clockwise direction, wherein the ratchet is provided on the transmission shaft, wherein the pull disk has plurality of engaging teeth engaged with the ratchet teeth of the ratchet, wherein the pull disk has a plurality of pulling strings, wherein a winding direction of the pulling strings is opposite to that of the corresponding ratchet teeth.

Abstract: 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.

Abstract: A system for harvesting, storing, and generating energy, that includes floating structure supporting machinery to extract energy from wind, waves, surface generators, or currents. At least one energy storage and power generating unit is anchored to the seafloor and adapted to tether the floating structure to the unit. The unit includes an internal chamber into which water flows through a hydroelectric turbine to generate electrical energy. A pump is provided, powered by energy from the floating structure machinery, to evacuate water from the unit and a control system directs power from the machinery to pump water out of the unit during periods of excess energy extraction by the machinery and to allow water to flow into the chamber through the hydroelectric turbine to generate electrical energy during periods of lower energy extraction by the machinery.

Abstract: A bidirectional axial flow turbine with self-pivoting blades is provided for use in a central opening of submerged horizontally-aligned structure forming a wave energy conversion device. Entry and exit inner guide vanes are positioned on opposite sides of the vertically-aligned central opening, for directing the bidirectional fluid flow into and out of the central opening and inducing a vortex swirl in both directions of fluid flow that has the same direction of rotation. Within the opening, a turbine hub is mounted with a plurality of uniformly spaced self-pivoting blades that have a symmetrical blade profile to the bidirectional flow. The self-pivoting blades automatically change their blade angle in response to the force of water flow on the blades, so that they turn the turbine shaft in the same rotational direction in both flow directions.

Abstract: An electrical generator using ocean wave and current forces to spin a turbine mean and alternator connected together by a flexible shaft. An electrical generator that takes its inspiration from a giant kelp plant that bends in wave or current forces thus presenting its turbine blades at the right angle to the force. A resilient flexible turbine generator of small stature resembling an ocean surf zone macrocystus which (instead of float and fronds) has a turbine floating at its top-most end and an alternator anchored to the ocean floor, both connected by a force transmitting flexible shaft. Ecologically friendly, turbo generator designed to be “ganged” into a “forest” of similar devices to harness the forces inherent in ocean waves and currents.

Abstract: 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.

Abstract: 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.

Abstract: Provided is a power generating device that includes 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.

Abstract: A Supervisory Control And Data Acquisition (SCADA) system guides navigation of a vessel enabled to extract energy from wind and/or water currents primarily in offshore marine environments. An exemplary SCADA system embodies server and client software applications running on microprocessor systems at a remote control central service logging and energy distribution facility, and the vessel itself.

Abstract: Roughness is added to the surface of a bluff body in a relative motion with respect to a fluid. The amount, size, and distribution of roughness on the body surface is controlled passively or actively to modify the flow around the body and subsequently the Vortex Induced Forces and Motion (VIFM). The added roughness, when designed and implemented appropriately, affects in a predetermined way the boundary layer, the separation of the boundary layer, the level of turbulence, the wake, the drag and lift forces, and consequently the Vortex Induced Motion (VIM), and the fluid-structure interaction. The goal of surface roughness control is to decrease/suppress Vortex Induced Forces and Motion. Suppression is required when fluid-structure interaction becomes destructive as in VIM of flexible cylinders or rigid cylinders on elastic support, such as underwater pipelines, marine risers, tubes in heat exchangers, nuclear fuel rods, cooling towers, SPAR offshore platforms.

Abstract: A wave energy converter (10) for extracting useful energy from wave motion. The converter (10) comprises an active float (12) that is arranged to float on the water, and being arranged to heave and surge in response to wave motion acting on the active float, and an elongate reactive body (14) that is arranged to be suspended in a substantially submerged state into the water and having sufficient surface area and length such that it pitches in response to wave motion-acting on the reactive body. The active float (12) and reactive body (14) are pivotably coupled for pivotable movement relative to each other about a single pivot axis (16) in response to heaving and surging of the active float and pitching of the reactive body. The converter also comprises a power output system that is driven by the pivotable movement about the pivot axis to capture the useful energy.

Abstract: A method is generally described which includes environmental alteration. The method includes determining a placement of at least one vessel capable of moving water to lower depths in the water via wave induced downwelling. The method also includes placing the at least one vessel in the determined placement. Further, the method includes generating movement of the water adjacent the surface of the water in response to the placing.

Abstract: 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.

Abstract: 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.

Abstract: A structure described generally for altering one or more properties within a body of water includes a vessel configured to hold water. The vessel may have at least one wall. The at least one wall extends at least above a mean surface water level. At least one conduit extends downward from the holding vessel. The at least one conduit has a length that extends below the surface of the water. A propulsion system may be coupled to at least one of the vessel or the conduit and may be configured to provide forces to the vessel.

Abstract: Invention for extraction and accumulation of energy from displacement of an agitated fluid includes buoyant body, camshaft, flywheel, and platforms. Buoyant body floats upon agitated fluid surface and is constrained to vertical translation. Buoyant body translation is converted to flywheel rotation via bearings which engage helical cam tracks of a camshaft. Camshaft is torsionally engaged with flywheel. Buoyant body and camshaft are fitted with unidirectional rotary clutches. Upon action of rising wave, buoyant force is exerted upon buoyant body, displacing body vertically and causing bearings to apply torsion to camshaft, driving camshaft and flywheel into rotation. Upon wave recession, buoyant body descends under self weight via freewheeling action of unidirectional clutches. Flywheel may be filled with or emptied of fluid to adjust its rotary inertia during operation. Buoyant body has a tapered shape and may be filled with or emptied of fluid to adjust its interface with agitated fluid.

Abstract: 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.