| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 060497000 | Working member actuated by the rise and fall of a surface of a body of fluid | 80 |
| 20110173967 | POWER CAPTURE DEVICE - An electrical power generation device ( | 07-21-2011 |
| 20110192159 | WAVE-POWERED ENERGY GENERATION APPARATUS - A wave-powered energy generation apparatus ( | 08-11-2011 |
| 20090158729 | Production of Electric Energy from Sea Waves - The waves of the sea move a float vertically upwards and downwards. These motions are transferred and converted to rotational along a horizontal shaft. The float ( | 06-25-2009 |
| 20130067902 | Wave Actuated Devices - The present disclosure is directed to wave actuated devices for converting wave energy from waves passing through water into mechanical work, the wave actuated devices including primary buoys floating in the water and configured to rise and fall with the waves as they pass through the water between lower position and upper positions, carriages coupled to the primary buoy by a linkage and moving between first and second positions, carriage magnetically interactive materials mounted to the carriages, a support structure extending from a support surface and including a pivot spaced from the support surface, and an arm pivotally supported on the pivot and extending from the pivot to a first end proximate the carriage magnetically interactive material. Some examples of wave actuated devices implement buoy force to return the system to a state of potential energy as a wave triggers the device. | 03-21-2013 |
| 20080295509 | FLUID MOTION ENERGY CONVERTER - A converter for producing useable energy from fluid motion of a fluid medium. The converter includes a support structure, at least one movable element immersed in the fluid medium and supported externally on the support structure such that the movable element can move relatively to the structure in response to the fluid motion by vortex induced motion, galloping or combination thereof, and at least one power device supported on the support structure and coupled to the movable element. The power device converts motion of the movable element to useable energy. | 12-04-2008 |
| 20120285160 | WAVE-POWERED DEVICES CONFIGURED FOR NESTING - A wave-powered water vehicle includes a) a first component which is a float that travels on or near the water surface; b) a second component which is wave actuated and travels below the first component; and c) a means whereby the first component engages the second component and/or the second component engages the first component; wherein the engagement means provides lateral support of one component for the other, and thereby minimizes lateral movement of one against the other when the components are fitted together. | 11-15-2012 |
| 20100170242 | Drive energy through buoyancy-gravitational force - Buoyancy forces [N] and gravitational forces [N] of buoys in fluids are used as drive forces. Buoys are placed in one or more water-filled container/s. To use the buoyancy force [N], the buoys are connected to an energy storage device, herein springs. In addition, the buoys are temporarily connected to a reference system by either the container or a movable frame within the container. Upon fastening the containers to a movable system, both buoyancy and gravitational forces [N] are exerted via a short working stroke, producing effective energy. To repeat said energy supply, the movable system must resume the starting position. For this process to occur, internal and external energy may be used. In a technical application, this invention can supply electric energy via a gyrating mass, propel hydraulic or compressed air cylinders, or enable other repetitive motions (pumps.) The described system can also be used for energy storage. | 07-08-2010 |
| 20110185719 | System for Producing Energy Through the Action of Waves - A system and method for generating energy from tuning the natural frequency of masses relative to a ground plane and an external force. In some embodiments the external force is the action of the 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 energy created by the relative motion can be converted to various forms of energy including electrical energy. | 08-04-2011 |
| 20090313988 | Method of extracting energy from ocean waves - The purpose of this invention is to provide a reliable and efficient support to various methods of tapping from the free, and tremendous clean energy contained in ocean waves or any such waves, in the form of pressurized fluid, or linear and rotational motion, the most efficient way, the most economically, with the broadest scope possible, while taking into account the exigencies of marine environment, in three essential parts: 1—The hull of a floating carrier designed to pitch the most possible around a pivot shaft under the influence of the energy contained in the ocean waves. 2—A dependable pressure point, as a necessary element, where any force carried by the floating carrier hull will interact, to make available the tapped energy. 3—A mooring system that keeps the floating carrier hull free of any restriction or interference with other components, while positioning it for maximum pitching when subjected to the action of ocean waves. | 12-24-2009 |
| 20120186244 | WAVE ENERGY EXTRACTION AND ACCUMULATION SYSTEM - 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. | 07-26-2012 |
| 20120096847 | WATER WAVE ENERGY CONVERTER - A water wave-based energy conversion system comprising: at least one buoyant body capable of floating on or below the surface of a body of water; at least one redirection device located at a stationary position; an energy converter; and at least one elongate connector operatively coupling the at least one buoyant body to the energy converter through the at least one redirection device. In use, the elongate connector transfers motion of the at least one buoyant body resulting from waves in the body of water to the energy converter for conversion into useful energy forms or products. | 04-26-2012 |
| 20120096846 | WAVE ENERGY CONVERSION SYSTEM - A wave energy conversion system which includes a wave absorber that moves in response to passing waves. A power take off (PTO) is provided which comprises a plurality of individually selectable actuators. The wave absorber is operable coupled to the actuators for facilitating driving the actuators. Each actuator has an associated damping characteristic. A combination of the damping characteristics of each actuator defines a PTO damping characteristic. A controller is operable to determine a desired PTO damping characteristic in response to a sensed parameter of the wave absorber. The controller is further operable for selectively activating one or more actuators to provide the desired PTO damping characteristic in response to the sensed parameter. | 04-26-2012 |
| 20110030365 | METHODS AND APPARATUS FOR ENERGY PRODUCTION - The present invention discloses an energy production system converting the energy of moving liquid in a reservoir (e.g. sea waves) to extensive power through the use of a float. The energy production system comprises a liquid reservoir in which a liquid periodically changes its level, at least one float at least partially immerged in liquid within said liquid reservoir, a lock system operable to maintain said float at a predetermined base level in said liquid, and a controller system comprising a floating trigger system operable to selectively trigger said lock system to release the float from the base level to wave crest upon identifying a predetermined condition of the float relative to the liquid level thus enabling an outburst and creating high mechanical energy, thereby producing energy power from the liquid level difference within said liquid reservoir. The huge mechanical vertical power may then be transformed to an electrical power by using for example an electrical rotating turbine or an electric generator (e.g. linear) which is attached to the float. The mechanical power may also be used to generate a pressurized liquid by directly connecting between the float and a pump. The energy produced by the mechanical power may be transformed and used for any process requiring energy such as production of electricity, production of pressurized liquid, desalination of liquid, or creation of hydrogen/oxygen. | 02-10-2011 |
| 20110197578 | HYDROPOWER PLANT PROVIDED WITH A GRATING AND METHOD FOR OPERATING A SUCH - The invention relates to a hydropower plant including a water turbine submerged in a water current, A grating is located adjacent the water turbine. According to the invention the grating is arranged to guide the water flow in the water current such that the velocity of the water between the grating and the water turbine becomes non-uniform. The invention also relates to a use of the hydropower plant for generating electric energy for supply to an electric network. Further the invention relates to a method for operating a hydropower plant. | 08-18-2011 |
| 20090165454 | SYSTEM AND METHOD FOR PRODUCING ELECTRICAL POWER FROM WAVES - An apparatus and method for converting the motion of a body of water to rotational energy comprising a float, the float is connected to a rigid object, the rigid object is connected to pistons generating pressurized air, a container interconnected to said pistons conveying the pressurized air to said container which is released into the container into flaps formed chambers, said flaps formed chambers are connected to a chain, said chain is connected to tread wheels; wherein the force exerted by the pressurized air on the flaps formed chambers generate movement of the flaps formed chambers. | 07-02-2009 |
| 20100212310 | BUOYANCY PUMP POWER SYSTEM - A system for generating electricity includes a buoyancy pump operable to convert wave motion from a body of water into mechanical energy. The buoyancy pump includes a buoyancy block that reciprocally moves in response to wave motion to pump an operating fluid that is delivered to a turbine to produce electricity. The buoyancy block is preferably sized such that a diameter of the buoyancy block is no less than about one-sixth a wavelength and no greater than about one wavelength of an average wave for a region in which the buoyancy pump is operated. | 08-26-2010 |
| 20100180588 | HYDRAULIC POWER DEVICE - A hydraulic power device is provided. The hydraulic power device includes: a first cylinder with a cylindrical chamber, a first fluid inlet, a first fluid outlet, and a weight unit having a first piston. The first piston hermetically fits into the first cylinder and moves upwards and downwards within the first cylinder. When the first piston moves downwards within the first cylinder, the fluid in the cylindrical chamber flows out through the first fluid outlet under the pressure from the first piston, and thereby generates hydraulic power. When the first piston moves upwards within the first cylinder, the fluid flows into the cylindrical chamber through the first fluid inlet, to get prepared for subsequent hydraulic power output. The hydraulic power device in the present invention is designed to lift a weight unit with a small initial power and then generate hydraulic power utilizing the gravity of the weight unit. | 07-22-2010 |
| 20100287927 | IMPROVEMENTS TO WAVE ENERGY CONVERTER - An improvement for a wave energy converter comprises a substantially rigid skirt adapted to be suspended from a wave energy converter below the surface of the water. The skirt includes an elongate substantially cylindrical structure extending vertically so as to form a flow path for water particles over a surface of the structure. The cylindrical structure has a series of rings of substantially equal diameter arranged concentrically at spaced vertical intervals. The curved surfaces formed by the circular cross-section of the rings, form an undulating flow path for water particles travelling in a vertical direction. In this way the vertical component of the wave energy extracted from the wave's circular water particle motion can be maximized. | 11-18-2010 |
| 20110131970 | WATER CURRENT POWERED GENERATING APPARATUS - A power generating apparatus ( | 06-09-2011 |
| 20110185720 | RECIPROCATING WATER DISPLACEMENT GRAVITY ENGINE - A reciprocating water displacement gravity engine is shown and described herein. | 08-04-2011 |
| 20110258997 | LOW COST LINEAR GENERATOR WAVE ENERGY CONVERTERS - A wave energy converter comprising: a linear generator comprising an armature and a stator; a float connected by a linkage to the armature; wherein the weight of the armature and the linkage bear downwards upon the float and one of the armature and stator comprises electrical coils and the other of the armature and stator comprises a stack of permanent magnets, the arrangement being such that during the ascending portion of a passing wave, the buoyancy of the float causes the armature to rise, and as the wave falls away, the combined weight of the float, linkage and armature causes the armature to fall, electricity thereby being generated upon the upstroke and the downstroke, the stack of permanent magnets or electrical coils of the armature being sufficiently sized in terms of deadweight to procure that the combined weight of the armature, linkage and float and any other travelling components act sufficiently against the electromotive force being generated by the linear generator upon the downward stroke to ensure that the float descends to the trough of the passing wave. | 10-27-2011 |
| 20110113770 | Oceanic Wave Energy Utilization System - An oceanic wave energy utilization system includes a floating energy collection device ( | 05-19-2011 |
| 20100089052 | POWER MACHINERY OF WAVES - Method for getting of an optimum drift of a power machine of waves, where the arrangement or the apparatus consist of one or more upright standing legs ( | 04-15-2010 |
| 20120247097 | Biomorphic wave energy collector - An apparatus utilizing wave energy to capture ocean water and send it to shore for hydroelectricity, hydrodynamic energy conversion or desalination. The submerged device is located offshore and is preferably oriented orthogonal to the shoreline or the incoming water surges. Responding to underwater wave surges, a deformable bladder filled with sea water is compressed and the seawater contained therein is expelled and sent to shore. A one-way valve responds to the differential in water pressure inside the empty bladder as compared to outside the bladder and permits seawater to enter and refill the bladder. The bladder may have any of several forms including that of a bellows. The present invention discusses several ways by which the bladder may be compressed and several ways by which it can sense and respond to underwater wave surges. | 10-04-2012 |
| 20110225965 | WAVE ENERGY CONVERTOR - A wave energy convertor ( | 09-22-2011 |
| 20110225964 | 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. | 09-22-2011 |
| 20130008157 | HIGH-EFFICIENCY ENERGY GENERATOR FOR HARNESSING MECHANICAL VIBRATION POWER - An energy generating device utilizing mechanical vibration power is provided. The energy generating device includes a first body for reciprocating according to vibration motions; an anchored second body; a rack coupled to one of the first body and the anchored second body; a gear assembly engaged with the rack and coupled to the other one of the first body and the anchored second body such that the gear assembly drives a generator via a rotational movement in a single direction according to each of upward and downward movement of the rack relative to the gear assembly; and the generator engaged with the gear assembly for receiving the rotational movement output from the gear assembly and outputting a direct current according to the rotational input from the gear assembly. | 01-10-2013 |
| 20100132353 | Float for Sea Wave Energy Conversion Plant - A float for use in capturing energy from waves, said float comprising: a central body providing buoyancy, said float further comprising: a leading part which has a leading surface which, in use of the float, is inclined upwards from horizontal such that the top of said leading surface projects further from said central body than the bottom of said leading surface and/or a trailing part which, in use of said float, extends downwards from said central body and presents a trailing surface which is inclined downwards from horizontal such that the top of said trailing surface is closer to said body than the bottom of said trailing surface. | 06-03-2010 |
| 20110146263 | IMPROVEMENTS TO WAVE ENERGY CONVERTER - An improvement for a wave energy converter comprises a substantially rigid skirt adapted to be suspended from a wave energy converter below the surface of the water. The skirt includes an elongate substantially cylindrical structure extending vertically so as to form a flow path for water particles over a surface of the structure. The cylindrical structure has a series of rings of substantially equal diameter arranged concentrically at spaced vertical intervals. The curved surfaces formed by the circular cross-section of the rings, form an undulating flow path for water particles travelling in a vertical direction. In this way the vertical component of the wave energy extracted from the wave's circular water particle motion can be maximized. | 06-23-2011 |
| 060498000 | Having tide responsive working member positioning means | 4 |
| 20090211240 | Method and apparatus for converting energy in a moving fluid mass to rotational energy driving a transmission - Three bodies interact to drive a transmission having a pair of one-way clutches coupling a single length of drive chain or other elongate flexible member to an intermeshed pair of counter rotatable gears so as to drive a primary shaft in a single rotational direction. The three bodies are a fixed body, a floating body, and a suspended and usually submerged weighted body. The three bodies are interconnected by the single length of the elongate flexible member and are spaced apart there along. The weighted body is mounted at one end of the elongate flexible member. The primary shaft is mounted above the surface of a moving fluid mass to either the fixed or floating body. The end of the flexible member opposite to the weight is mounted to the other of the fixed or floating body. | 08-27-2009 |
| 20100043424 | SYSTEM FOR GENERATING ELECTRICAL POWER AND POTABLE WATER FROM SEA WAVES - The invention pertains to a device and method for generation of electrical power from sea waves, with either simultaneous or no desalination of seawater. The device comprises a seaborne portion and a shore-side portion. The seaborne portion of the device comprises a float, an anchor and a pumping mechanism. Seawater and air are drawn in and pumped through pipes and respectively to a shore-side compressor system. The compressor system is adapted to provide pressurized water of constant pressure to the next stage, which is either the desalination assembly through which potable water is produced using the reverse-osmosis method or the water-motor, which drives a generator that provides electrical power or both. | 02-25-2010 |
| 20090165455 | METHODS AND APPARATUS FOR ENERGY PRODUCTION - The present invention discloses an energy production system comprising a liquid reservoir in which a liquid periodically changes its level, at least one float at least partially immerged in liquid within said liquid reservoir, a lock system operable to maintain said float at a predetermined base level in said liquid, and a controller system comprising a floating trigger system operable to selectively trigger said lock system to release the float from the base level to wave crest thus enabling an outburst and creating high mechanical energy, thereby producing energy power from the liquid level difference within said liquid reservoir. | 07-02-2009 |
| 20110061376 | ENERGY CONVERSION ASSEMBLIES AND ASSOCIATED METHODS OF USE AND MANUFACTURE - Embodiments of the disclosure are directed to conversion of renewable energy such as solar, wind, falling water, wave and biomass resources into energy forms for practical transport by existing electricity and natural gas transport systems and includes embodiments for cyclic conversion of rectilinear forces into electricity wherein charged particles force a separate population of charged particles to flow in a separate circuit to create an electric current. Forces exerted at a first frequency are converted into cyclic electrical current at a frequency that is a multiple of the frequency of the forces. Similar arrangements are provided for conversion of rotary forces into electricity. Components of the disclosure can be manufactured at a high rate from very low cost materials with minimum energy requirements for the purpose of generation of low-cost electricity from linear motion engines and renewable forces such as ocean waves and flowing fluids such as water or air. Corrosion and biofouling are eliminated by application of cathodic and chemical treatments produced by the operation of the disclosure. Various embodiments of the disclosure allow improved cogeneration and motor vehicles, household appliances, and industrial equipment to be operated on energy converted from rectilinear forces. | 03-17-2011 |
| 060499000 | Having means responsive to lateral impulse of fluid | 4 |
| 20080236159 | CYCLOIDAL POWER GENERATOR - A cycloidal generator is provided to generate power from energy in a tidal flow. The generator includes a plurality of blades mounted on a hub for collective rotation about a hub axis, and a center shaft is positioned with its central axis oriented perpendicular to the tidal flow. Interconnecting the center shaft with each individual blade on the hub is a gear assembly that cyclically rotates the blade for autorotation of the hub in response to the tidal flow. A link assembly is also provided that interconnects the hub with the center shaft for rotation of the center shaft and the consequent generation of power in response to rotation of the hub. | 10-02-2008 |
| 20110265468 | WAVE POWER PLANT - The invention relates to a wave power plant, comprising at least one floating power plant body and means for converting movement of the floating power plant body into a rotary motion for power take off. The floating power plant body ( | 11-03-2011 |
| 20120102938 | BOUYANT ACTUATOR - A buoyant actuator ( | 05-03-2012 |
| 20120227395 | PUMPS - A pump comprises a flexible container ( | 09-13-2012 |
| 060500000 | Having articulated buoyant members | 4 |
| 20130055707 | DEVICE FOR RECOVERING SWELL ENERGY - The invention relates to a device for recovering the energy of sea waves comprised of a floating structure comprising:—a rigid structural element ( | 03-07-2013 |
| 20120000193 | Tidal energy system - A tidal energy capture means connects a turbine to its anchor by telescopic members which pivot about the anchor as axis in the plane of the tidal flow and whose combined length depends upon the force of this flow. These members can be locked at prescribed lengths by a remote signal, to control the level of the turbine during this movement. The anchor consists of a plug and socket, with buoyancy means for positioning the plug in the socket, and the telescopic members can be a rotatable shaft which drives equipment in the plug. | 01-05-2012 |
| 20110061377 | WAVE ENERGY COLLECTING DEVICE - Wave energy collecting device comprising an array of modules ( | 03-17-2011 |
| 20110308244 | MODULAR ARRAY TYPE ENERGY CONVERTER - A wave energy transformation device including an array of members connected together to form a structure having a substantially hexagonal geometry, the array has link members, nodes and absorbers and the relative motion of at least some of the members of the array, as caused by the energy of wave motion in a medium to which the array is coupled is convertible to another form of energy. The device is suitable for generating electrical energy from sea waves. | 12-22-2011 |
| 060501000 | Motor is free floating unit | 8 |
| 20090235660 | DEVICE FOR CONVERTING WAVE ENERGY - Device for absorption of wave energy, comprising a floating body ( | 09-24-2009 |
| 20120233999 | WAVE POWER GENERATOR - A wave power generator that can efficiently perform power generation in response to ocean-wave periods, which are waves of varying period, is provided. A vibration receiving portion that is provided in a float floating at a wave surface and that performs power generation by means of vibrations exerted thereon; a mass body that applies a mass loading on the vibration receiving portion from above; a plurality of elastic members that support the mass body in series; and a plurality of locking mechanisms that restrict/release the motion of the plurality of elastic members are provided. | 09-20-2012 |
| 20090211241 | VENTURI PINWHEEL AND SEA ANCHOR WAVE ENERGY CONVERSION SYSTEMS - A device that converts wave energy to electrical or chemical energy includes a buoy adapted to float on a water surface, a venturi tube, and a rigid or flexible means of connecting the buoy and the venturi tube. The venturi tube defines a lumen through which water flows downwardly when the buoy moves upwardly and upwardly when the buoy moves downwardly. A constriction is formed in the lumen to create a venturi effect for water flowing upwardly and downwardly through the lumen. A turbine is positioned in the lumen at the constriction where water flow is at a maximum rate. The turbine is connected to a generator so that the venturi effect is harnessed to generate power. Multiple embodiments are included. | 08-27-2009 |
| 20120102939 | Ocean Wave Energy Harnessing Device - A system for extracting long wavelength ocean wave energy and for extracting rotational wave energy uses a plurality of boom elements connected to at least one hinge element for movement about the hinge element in a direction of the vertical force of a wave and for movement about the hinge element in a direction of the transverse force of a wave, and the hinge element includes a shaft transverse to the boom elements with a blade mounted to the shaft for rotational movement of the shaft in the direction of the rotational force of a wave. | 05-03-2012 |
| 20100064678 | System for Multiple Harnessing and Complemented Conversion of Energy from Sea Waves - System for multiple harnessing and complemented conversion of energy from sea waves, which includes a structure of vertical guides ( | 03-18-2010 |
| 20110113771 | Wave Powered Generator - The generator comprises a float ( | 05-19-2011 |
| 20120304637 | HYDRAULIC APPARATUS - A closed-loop hydraulic apparatus | 12-06-2012 |
| 20120247098 | WAVE ENERGY CONVERTER WITH ROTARY HYDRAULIC SPRING - The generally up and down movement of a reaction mass is converted into rotary motion which is used to drive a rotary hydraulic spring comprised of a rotary hydraulic pump motor and an accumulator to produce a “spring” function. The invention is particularly applicable to wave energy converters (WECs) having a reaction mass which needs to be coupled to a spring to ensure its oscillation and to cause it to be centered about its center of travel. The linear up-down motion of a reaction mass may be converted via a linear-to-rotary translator to rotary motion to drive a rotary hydraulic pump/motor so as to provide spring action to the reaction mass and ensure its oscillation and proper positioning. | 10-04-2012 |
| 060502000 | Having fluid flow or wave controlling, confining or directing means | 5 |
| 20100263366 | WAVE PUMP USED TO TRANSFORM THE WAVE ENERGY INTO ANOTHER TYPE OF USABLE ENERGY - The present invention relates to the energy transformation industry, and more specifically to the device manufacturing industry for the transformation of natural alternative energies into more controllable and relatively easy to store energy. The advantages of the present equipment with respect of those of the prior art relies on that the present is of long useful life, which can extract from the waves energy that can be stored to be used at the time it is needed and with the capacity of being controlled in its application. Structurally the equipment of the present invention is characterized by comprising a float having an orifice in the center, in this orifice it is disposed firmly fastened a rigid pipe hydraulically connected at one of its ends to a hose, and at the other end to a check valve in the end immersed in the water bed; the opposite end of the hose which is hydraulically joined to the rigid pipe, the hose ends in a water tank on dry land and above the sea level average. | 10-21-2010 |
| 20120006015 | FALLING WATER POWER GENERATORS AND POWER GENERATING METHODS - A method for generating power by converting the vertical movement of floats in one or more reservoirs is provided. Each reservoir has an inlet and an outlet. A float is disposed in each reservoir. A shaft is connected to each float. Controls are provided for actuating inlet and outlet gates to cause water to flow into and out of each reservoir via its corresponding inlet and outlet, respectively. As a result, the flowing water moves each float in a vertically oscillating manner to rotate the shaft at an output rate suitable to generate usable power. | 01-12-2012 |
| 20110120109 | FALLING WATER ELECTRICAL GENERATORS AND ELECTRICAL GENERATING METHODS - A power generator is provided having one or more reservoirs. Each reservoir has an inlet and an outlet. A float is disposed in each reservoir. A shaft is connected to each float. Controls are provided for actuating each inlets and outlet to cause water to flow into and out of each reservoir via its corresponding inlet and outlet, respectively. As a result, the flowing water moves each float in a vertically oscillating manner to rotate the shaft at an output a rate suitable to generate usable power. Also provided are a method for generating electricity and an energy converter that converts vertical float movement into rotational energy. | 05-26-2011 |
| 060503000 | In which the control means is variable | 2 |
| 20110252779 | ENERGY CONVERSION SYSTEM WITH DUPLEX RADIAL FLOW TURBINE - An energy conversion system, including a wave chamber, and a turbine wheel coupled to a shaft and fluidly coupled with the wave chamber. The energy conversion system may also include a first radial flow passage fluidly coupled with the wave chamber and the turbine wheel, and first vanes disposed at least partially in the first radial flow passage, each of the first vanes being compliantly mounted and pivotal between first and second positions, the first vanes being configured to allow a motive fluid to flow in a first radial direction through the first radial flow passage when the first vanes are in the first position, and the first vanes being configured to substantially prevent the motive fluid from flowing through the first radial flow passage in a second radial direction when the second vanes are in the second position. | 10-20-2011 |
| 20110179785 | POWER PLANT - The invention relates to a power plant comprising a float ( | 07-28-2011 |
| 060504000 | Having flexible strand working member motion transmitting means | 7 |
| 20100043425 | System for Conversion of Wave Energy into Electrical Energy - The present invention relates to the utilization of wave energy and its conversion into operating motion of an electrical energy generating system. The system for generation of electrical energy through the conversion of aquatic wave motion includes floating bodies and a constant rotation mechanism, which converts the two-way linear motion of an inflexible transmission shaft or a flexible transmission shafts into one-way rotation of an output shaft of the constant rotation mechanism. This mechanism allows utilization of wave energy in two directions caused by the rise and fall of waves. The output shaft of the constant rotation mechanism is coupled to a force multiplier that is further coupled to a generator which generates electrical energy. Constant rotation mechanism can be driven by inflexible transmission shaft pivotally coupled to the floating bodies at one end, and the other end to an input gear of the constant rotation mechanism. Depending on the height of the wave and the wavelength, various constructions of floating bodies are used. Certain floating bodies are designed for the waves of a smaller amplitude and smaller wavelength, while other floating bodies are designed for bigger amplitude and bigger wavelength. | 02-25-2010 |
| 20120031090 | CIRCULAR MOVEMENT ELECTRICITY GENERATING MACHINE - Hydraulic strength machine in circular movement generating electricity in two different generation spots and mechanical strength machine in circular movement generating electricity, being that that the hydraulic strength machine in circular movement generating electricity in two different generation spots | 02-09-2012 |
| 20100122529 | Kinetically balanced bi-direction rotational wave energy converter - An improved apparatus and method to extract the mechanical energy of waves, tides and water movement into useful mechanical energy, a wave energy converter (WEC). This device is easily scaled to harness said energy according to the needs of local conditions or user requirements. It has five elements, to be placed in a body of water. Two of those elements being a buoyant body, containing an apparatus for water motion energy conversion, and a reactive free weight being able to move relative to each other in response to forces exerted by the body of water. A mooring system, to which, is attached a flexible member. The flexible member attaches these elements together as one device. Upon its length it contains at least two re-positionable elements which restrain the motion of the buoyant body along the length of the flexible member. | 05-20-2010 |
| 20120240569 | DEVICE TO CAPTURE WAVE ENERGY - A device to capture and store or generate energy from variations in water level of a water body has a housing and an input shaft rotatably mounted to the housing. A drive belt is rotatably connected to the input shaft and a float is attached to that drive belt so that the float reciprocally drives the input shaft as the water levels increase and decrease. An output shaft is also rotatably mounted to the housing while a first one-way clutch is operatively disposed between the input shaft and the output shaft so that the input shaft rotatably drives the output shaft through the clutch in one rotational direction. A reversing gear is rotatably mounted to the housing and rotatably drives a second one-way clutch also operatively coupled to the second shaft to drive the second shaft in the same rotational direction as the first clutch, but during the opposite rotation of the input shaft. | 09-27-2012 |
| 20110185721 | ENERGY CONVERSION DEVICE - An energy conversion device, such as a wave energy conversion device has a diaphragm ( | 08-04-2011 |
| 20110258998 | DEVICE FOR A WINCH-OPERATED WAVE-POWER PLANT - A device for a winch-operated wave-power plant with a self-tightening winch connecting a wave-energy-absorbing body via a winch wire to a reference point. A winch cable drum is connected via a mechanical energy absorption- and conversion system to a rotating outgoing axle. The mechanical energy absorption- and conversion system is connected to a slip clutch. The slip clutch is arranged between the winch axle and the outgoing axle. The slip clutch can be set to slip, thereby reducing the flow of mechanical rotational energy from the rotating winch through the mechanical energy absorption- and conversion system, so that the amount of energy per time unit absorbed by the mechanical energy absorption- and conversion system is limited by how much the slip clutch slips. The system further includes a governing system controlling the slip clutch by acting upon excessive speed and/or forces in the winch and the winch axle. | 10-27-2011 |
| 20120167563 | Advanced high energy wave power module - An ADVANCED HIGH ENERGY WAVE POWER MODULE and each of the plurality of ADVANCED HIGH ENERGY WAVE POWER MODULES for converting the energy from high energy waves and swells into usable power in industrial scale connected by pressure piping, or by pressure piping and discharge piping, to the consumer of the mechanical energy in form of the high pressurized flow of working fluid is described as the submerged immovable platform and the submerged movable platform connected to the float by outer power flexible link with variable free length and compressible chambers installed between the immovable and movable platforms. The variable buoyancy force from the float converting to the increased driving force, which is acted through the movable platform to the compressible chambers to discharge high pressurized working fluid from compressible chambers through the pressure pipeline to the consumer. The stroke of the movable platform and compressible chambers is less than a height of wave or swells. | 07-05-2012 |
| 060505000 | Having relatively movable working members | 7 |
| 20130031897 | Wave Power Plant - A wave power plant includes a platform and at least one coupling member. The at least one coupling member is mounted in such a way as to perform an orbital movement which has a predetermined direction of movement and from which a torque usable for energy conversion can be tapped. A torque compensation device is provided which is designed to essentially compensate or neutralize a reactive torque generated by tapping the usable torque. | 02-07-2013 |
| 20130067903 | Wave Energy Conversion Device - A wave energy conversion device including a first pontoon configured to respond to an incident wave by operating in at least a first mode of motion and a second pontoon movably attached to the first pontoon by attachment means and configured to respond to an incident wave by operating in at least one mode of motion different from the first mode of motion. The relative motion of the first pontoon to the second pontoon in response to an incident wave is converted into a desired form of energy. | 03-21-2013 |
| 20100319340 | DEVICE FOR CONVERTING A BIDIRECTIONAL ROTATION MOTION AROUND TWO ROTATION AXES INTO AN UNIDIRECTIONAL ROTATION MOTION AROUND A SINGLE ROTATION AXIS, AND POWER PRODUCTION SYSTEM USING SAID DEVICE - A device producing unidirectional rotation motion as output from any bidirectional rotation motion as input, includes: —a first input rotation axis ( | 12-23-2010 |
| 20080295510 | Power Generating Apparatus - Power generating apparatus includes a float mounted on a support pivotally mounted to a base and secured to a beam extending rearwardly of the base to a vertically extending elongated structure carrying a pair of vertically movable gear racks in guideways. Each rack is engaged by a gear wheel driven by movement of the racks and a one-way drive arrangement connects each gear wheel to an output shaft. Driving weights are secured to each rack to drive the racks in opposite directions under the action of gravity forces acting on the weights, thus causing the output shaft to rotate in a given direction. The free end of the beam is connected to a cross-arm vertically moveable on a guide on the elongate structure, the cross-arm having a motion transmitting arrangement to raise each weight during vertical movement of the cross-arm resulting from movement of the float. | 12-04-2008 |
| 20110162357 | ENERGY CONVERTER - A wave energy converter for extracting energy from waves in a body of liquid. The converter comprising an endless spine, the spine including a plurality of spine sections ( | 07-07-2011 |
| 20100175373 | Stable Power-Output Device with a Linear Long-Shaft Driven by Wave - This invention relates to a stable power-output device driven by waves, the power-output device consists of buoys, and a scaffold with buoys, guiding tracks and rotating shafts installed. The scaffold floats on the wave, roller wheels are installed at two sides of the buoys, with each two of the roller wheels are sandwiched between the related guiding track and the related side of each buoy so that the roller wheels and the guiding tracks can work together. Guiding devices are installed on top of the buoys; rotating shafts are connected to the guiding devices and float horizontally on the waves. Ratchets are installed on the short shafts; they are in contact with the guiding devices. A shaft connector is adapted to connect each two of the rotating shafts together and form a long shaft. | 07-15-2010 |
| 20120090313 | Device for floating wave power plant - The present invention pertains to a device of a floating wave power plant. More precisely, the invention pertains to a submerged frame structure with an attached ballast body as an element in a floating wave power plant. The frame structure and thereby the wave power plant is preferably anchored to the sea bottom. The wave power plant comprise several pumping cylinders ( | 04-19-2012 |
| 060506000 | Working member pivotally supported | 9 |
| 20130047601 | WAVE ENERGY RECOVERY SYSTEM - This invention relates to a wave energy recovery system comprising at least a wing hinged on its one edge to make a reciprocating motion in response to kinetic energy of waves or tidal currents, a wave energy converter (WEC) unit, a power-take-off (PTO) means and wave behavior monitoring means. The wave energy recovery system comprises at least a control means to instruct the PTO means to resist the reciprocating movement of the wing by a counter moment. | 02-28-2013 |
| 20130067904 | Wave Power Unit, A Use of A Such and A Method of Producing Electric Energy - The invention relates to a wave power unit with a floating body ( | 03-21-2013 |
| 20130091838 | Intelligent Control Wave Energy Power Generating System - A system and method for converting wave energy into electric energy in an intelligent, practical, and efficient manner. The system utilizes a power input shaft coupled with a vertically reciprocating buoy to rotate a crank gear and a ratchet gear meshing therewith. When the gears rotate, a plurality of generators coupled therewith produce electric energy. A flexible pivot device connects the power input shaft and the crank gear for absorbing impacts against the system from irregular and variable passing waves. The power input shaft is adjusted in response to water level fluctuations for maximum efficiency. A counterbalancing and maintenance device is coupled with the buoy to improve energy conversion efficiency and to uplift the buoy to a safe position in extreme conditions. An intelligent control system is included to monitor, control, and optimize the operations of the system. | 04-18-2013 |
| 20130125541 | WAVE POWER PLANT - The invention relates to a wave power plant, comprising a floating body and means for converting the wave energy received by the body into electric power. The wave power plant comprises anchoring means arranged in the lower part of the body, the means including an anchoring mass suspended on a downwards extending elongated anchoring device. In connection with the anchoring mass are arranged transversely extending elongated anchoring devices which are connected to the bottom of the installation site of the wave power plant. | 05-23-2013 |
| 20110296825 | ROTATING APPARATUS - The present invention concerns a rotating apparatus related to water power, particularly related to wave power, and related to conversion of energy, for instance to generate electricity. The apparatus according to the invention may comprise one or more axially connected horizontally arranged floating or neutrally buoyant rotors that are driven by a number of fins that in turn are driven by wave waterflows and/or linear waterflows, said rotors being adapted for rotation, said rotation being non-changing and independent of the direction of the waterflows. The rotational energy is preferably converted to electricity by built-in generators. In addition, the apparatus comprises an arrangement so that the apparatus is adapted to move into a position corresponding to the direction of the waterflows. | 12-08-2011 |
| 20100058754 | Wave energy machine - This invention relates to an apparatus for harvesting both potential and kinetic energy stored in ocean waves. The ocean's surface waves can simultaneously cause a cylindrical float to move up and down as well as rotate. By incorporating this float into a mechanical rectifying assembly comprised of unidirectional drive gears, the float's vertical motion as well as its rotation can be converted into continuous, one-way rotation of a power output shaft to drive an electric generator. | 03-11-2010 |
| 20090056327 | Method and Device for Collecting Wave Energy - The invention relates to a method and a device for recovering energy contained by waves. The collecting device ( | 03-05-2009 |
| 20120227396 | PROPULSION OR MOTOR DEVICE FOR CONVERTING ENERGY INTO POWER, USING THE FORCES GENERATED BY THE SURFACE MOVEMENT OF A LIQUID OR FLUID OR THE LIKE - Propelling device or engine to transform potential energy into power, using the forces produced movement of a liquid surface or fluid or similar, more specifically, the device is made arranged means to exploit synergistic four forms of surface displacement of the fluid wave, objectively the upward, downward, forward wave toward the shore and pulling inward, in order to produce conventional and renewable energy more efficient than currently used systems with minimal mechanical efforts, whose employment is varied, for pumps, single or hydraulic; to generate electricity, to generate the movement of maritime vessels of any size or movement of vehicles or land machinery land, for hydropower generation, etc. | 09-13-2012 |
| 20130008158 | Wave Energy Conversion Device - Several embodiments of a device for economically harvesting wave energy are disclosed. A sealed vessel for air storage, the spar buoy, is mostly submerged under water is also used as an inertial body that surface floats move relative to. The spar buoy may take many geometrical forms, but all have a stem that is above the water surface. Piston pumps are placed at the top of the stem. The pump has a gearing reduction to optimize the rotational motion of the pump drive shaft. Small angular motion at the drive shaft results in multiple cycles of linear reciprocal motion of the piston. Various mechanisms could convert the relative motion between the floats and the spar buoy to a rotational motion of the shaft. The compressed air generated by the pump is stored in the spar buoy and regenerated as electrical energy by expanding the compressed air in a turbine. | 01-10-2013 |
| 060507000 | Having one-way clutch power transmission means, e.g., ratchet, etc. | 3 |
| 20100064679 | DEVICE FOR A WINCH-OPERATED WAVE-POWER PLANT - A device for a wave-power plant includes a self-tightening winch with a winch wire. The winch wire is connected to a wave-power-operated absorption element at one end and to a cable drum of the self-tightening winch at the other end. The cable drum is connected via a transmission system to an outgoing axle which is further connected to an energy-storing restructuring machinery. Movement of the absorption element results in rotation of the cable drum and transmission of mechanical energy from the cable drum to the rotating outgoing axle and to the restructuring machinery. The transmission system includes a slip clutch connected to the outgoing axle, which protects the components in the wave-power plant, particularly the components in the restructuring machinery, against overload in the event of large wave amplitude. The engagement of the slip clutch varies depending on the rotational speed or torque of the outgoing axel, thereby providing a maximum threshold for how great an amount of energy per time unit can be transmitted to the outgoing axle and to the energy-storing restructuring machinery. | 03-18-2010 |
| 20110173968 | Appratus generating electricity to marine vehicle - An energy converter apparatus connected via a rope between a buoyant marine vessel body and to a stationary or semi stationary surface with respect to the motions of the marine vessel to convert differential motions of the vessel compared to the stationary body to useful electrical energy; a rack and pinion gear box device causing the linear motions of the buoyant vessel to an axial rotational motions, the rotation in only one direction; a ratchet wheel connected to a shaft and an electric generator. | 07-21-2011 |
| 20120085089 | CHANGEABLE DAMPING WAVE POWER CAPTURING DEVICE DRIVEN BY BIDIRECTIONAL SCREW ROD - A changeable damping wave power capturing device driven by bidirectional screw rod is provided, which uses the ball screw device to capture the wave power and prevents the energy lost caused by complex mechanism. In addition, bidirectional reciprocating rectilinear motion is changed to unidirectional rotation by the ratchet wheel device, and then the rotating energy is imported to the generating set. Besides, the wave power capturing device driven by bidirectional screw rod uses the control device to detect wave energy and choose different generator, the control device could change the damping value and improve the efficiency that transforming wave energy. | 04-12-2012 |
