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47
results.
Updated on
01/05/2025 [07:31:00]
Absstract of: US2025129762A1
A system and method by which energy from ocean waves is converted into hydrogen, and that hydrogen is used to manifest electrical and mechanical energies by an energy consuming device. A portion of the generated electrical power is communicated to water electrolyzers which produce oxygen and hydrogen from water as gases. At least a portion of the generated hydrogen gas is transferred to a transportation ship via a hose-carrying, remotely operated (or otherwise unmanned) vehicle, and subsequently transferred to an energy-consuming module or infrastructur, where a portion of the hydrogen is consumed in order to manifest a generation of electrical energy, a mechanical motion, and/or a chemical reaction.
Absstract of: WO2025085301A1
Disclosed are embodiments of a novel type of wave-powered propulsion adapted for use by buoyant vessels in order to provide or supplement their self-propulsion. An approximately vertical and semi-cylindrical propulsive shroud attached to a vessel interacts with a wave motion at and below the vessel in order to impart a thrust to the vessel.
Absstract of: WO2025085300A1
Disclosed are embodiments of a novel type of wave-powered propulsion adapted for use by buoyant vessels in order to provide or supplement their self-propulsion. An approximately vertical and semi-cylindrical propulsive shroud attached to a vessel interacts with a wave motion at and below the vessel in order to impart a thrust to the vessel.
Absstract of: US2025129763A1
Systems and methods for generating electricity from the waves of a body of water are provided. Generally, the system comprises apparatus that includes at least two tanks and a turbine that is situated intermediate conduit structure that interconnects the two tanks. The cresting of a wave that impinges upon the apparatus fills one of the tanks. This water is directed through a turbine and generator assembly while flowing between the tanks. The other of the tanks is configured to empty during the troughing of the wave.
Absstract of: US2025101941A1
A pressure-regulating buoyant hydrodynamic pump is disclosed that floats adjacent to a surface of a body of water over which waves tend to pass. In response to wave-induced movements of the device, water is drawn into a mouth at a lower end of an injection tube, and water is ejected from a mouth at an upper end of the injection tube. The ejected water is deposited into an interior of the hollow buoy thereby augmenting a water reservoir therein. And water flows from the water reservoir to and through a water turbine, thereby energizing a generator, power electronics, and an electrical load. A novel water-turbine effluent buffering tube, or chamber, smooths pressure variations felt across the water turbine.
Absstract of: US2025122859A1
A multi-stage buffer hydraulic cylinder for a wave-energy power generation apparatus and a multi-stage buffer hydraulic control method are provided. A built-in fixed rod is arranged inside a cylinder barrel of a hydraulic cylinder and nested in a piston rod, and a fixed-rod inner cavity and a piston-rod inner cavity are taken as high-pressure working cavities, such that the diameter of the piston rod can be increased while the effective work area is reduced. Front and rear end covers of the hydraulic cylinder each are provided with a buffer spring for buffering the strike caused by the excessive stroke of the piston rod under the extreme wave condition, and the hydraulic cylinder may be buffered under the condition of heavy waves by setting the stiffness of the spring, such that a main piston does not strike the front and rear end covers.
Absstract of: US2025121922A1
Disclosed are embodiments of a novel type of wave-powered propulsion adapted for use by buoyant vessels in order to provide or supplement their self-propulsion. An approximately vertical and semi-cylindrical propulsive shroud attached to a vessel interacts with a wave motion at and below the vessel in order to impart a thrust to the vessel.
Absstract of: US2025121923A1
Disclosed are embodiments of a novel type of wave-powered propulsion adapted for use by buoyant vessels in order to provide or supplement their self-propulsion. An approximately vertical and semi-cylindrical propulsive shroud attached to a vessel interacts with a wave motion at and below the vessel in order to impart a thrust to the vessel.
Absstract of: GB2634657A
A tidal energy system comprising: a seaward and a landward storage basin and an intermediate storage basin between the seaward and landward storage basins; and a bypass storage basin. A turbine is provided between the sea and the seaward storage basin, a turbine is provided between the seaward and the intermediate storage basins, a turbine is provided between the intermediate and the landward storage basins, a turbine is provided between the bypass storage basin and the sea; and a turbine is provided between the bypass and the landward storage basins. In a first operation phase, rising tidal water received at the seaward storage basin charges the tidal energy system by movement of water from the sea, to seaward to intermediate then to landward storage basins.
Absstract of: WO2025073334A1
A hydraulic piston pump assembly and a wave power system comprising such hydraulic piston pump assembly, wherein the assembly comprises a pump housing (11) having a pump housing axis and comprising an inner pump housing surface; a piston comprising a piston head (12a) with a peripheral head surface adapted to seal against the inner pump housing surface and a piston rod (12b) connected to the piston head (12a), wherein the piston rod (12b) comprises an outer piston rod surface and an actuator rod (13). The piston comprises an axial piston channel (15) extending at least partially through the piston rod (12b), wherein the actuator rod (13) has a first actuator end portion (13b) and a second actuator portion (13c), wherein the first actutor end portion (13b) fully or partly extending into the axial piston channel (15) and is slidable in the axial piston channel (15) and wherein the second actuator portion (13c) is adapted to be engaged with an effector capable of being actuated by water waves.
Absstract of: US2025116016A1
A buoyant hydrodynamic pump is disclosed that can float on a surface of a body of water over which waves tend to pass. Embodiments incorporate an open-bottomed tube with a constriction. The tube partially encloses a substantial volume of water with which the tube's constriction interacts, creating and/or amplifying fluid-flow oscillations therein in response to wave action. Wave-driven oscillations result in periodic upward ejections of portions of the water inside the tube that can be collected in a reservoir that is at least partially positioned above the mean water level of the body of water, or pressurized by compressed air or gas, or both. Water within such a reservoir may return to the body of water via a turbine, thereby generating electrical power (making the device a wave engine), or the device's pumping action can be used for other purposes such as water circulation, propulsion, dissolved minerals extraction, or cloud seeding. Methods are disclosed for manufacture of hydrogen at sea and for delivery of said hydrogen using a ship. Methods are disclosed for filling a hydrogen-loaded carrier ship at sea.
Absstract of: US2025119092A1
An apparatus for harvesting energy, such as solar, wind, wave, thermal, and the like, including a solar panel and a duct supporting the solar panel at an operational angle. The duct comprises a bottom shroud and side shrouds, therein forming a large aperture, a small aperture, and an oblique frustum shaped cavity. The oblique frustum shaped cavity is configured to direct a flow of fluid from the large aperture to the small aperture. A flow energy generator, such as a turbine, located at the small aperture is configured to collect flow energy. Temperature differences between the solar panel and the environment may be used to harvest thermal energy with a thermoelectric generator. Fluid flow under the solar panel may decrease the panel temperature and increase the efficiency. Generators may be operated in reverse to lower the solar panel temperature and increase efficiency.
Absstract of: WO2025074262A1
The invention concerns a method (1000,2000,3000) for controlling a plant (30) for the generation of electrical energy through the exploitation of the wave motion (54) in a body of water. The plant (30) comprises at least one generation module (34) adapted to convert kinetic energy associated with the wave motion (54) into electrical energy by means of a movable element (62) adapted to move due to the action of the wave motion (54) and a generator element (66) adapted to convert the movement of the movable element into electrical energy, at least one sensor (72) adapted to provide a measurement indicative of the wave motion (54) with respect to an element of the plant (30). The method comprises the steps of acquiring a plurality of measurements, calculating a damping coefficient associated with the conversion of motion into electrical energy of the generator element (66), and regulating the operation of the generator element (66) so as to impose the calculated damping coefficient.
Absstract of: WO2025074259A1
The invention concerns a plant (30) for the generation of electrical energy through the exploitation of the wave motion (54) at sea. The plant comprises: a supporting structure (32) comprising an emerged part and an immersed part and a plurality of generation modules (34). Each generation module comprises: a platform (36) constrained to the supporting structure and flanked to the emerged part; a guide channel (38) that develops vertically, fixed with respect to the platform; a rod (40) slidable along the channel; and a buoy (42) fixed to the lower end of the rod. The rod comprises a plurality of magnets (44) and the channel (38) comprises, respectively, a plurality of electrical windings (46). Each generation module comprises an auxiliary float (70) configured to detect variations in the level of the sea (52).
Absstract of: WO2025074261A1
The invention concerns a method (1000,2000,3000) for controlling a plant (30) for the generation of electrical energy through the exploitation of the wave motion (54) in a body of water. The plant (30) comprises: - a bearing structure (32) comprising an emerged part and an immersed part, - at least one generation module (34) adapted to convert kinetic energy associated with the wave motion (54) into electrical energy by means of a movable element (62) adapted to move between two end-of-stroke positions due to the action of the wave motion (54) and a generator element (66) adapted to convert the movement of the movable element into electrical energy, the generation module (34) comprising a platform (36,60) coupled to the bearing structure (32), - a sensor (72) adapted to provide a measurement indicative of the wave motion (54) with respect to a first reference element (36,60) of the plant (30), and - actuation means adapted to move the platform (36,60) with respect to the bearing structure (32) along a longitudinal direction of the bearing structure (32), Advantageously, the method comprises the steps of: - acquiring (1000, 3001) a plurality of measurements of the sensor, - calculating (3004) an average position value of the level of the body of water (52) with respect to a second reference element (32) of the plant (30) based on the plurality of measurements, and - modifying (3010, 3013, 3014) the position of the platform (36,60) with respect to the second reference element (
Absstract of: WO2025012387A1
A wave energy converter for converting kinetic energy of waves into electric energy is provided. The wave energy converter includes a base configured for being submerged on a seabed (23), a first floating weight (3), a first lever (6) connected to the floating weight (3) and the base, a first hydraulic cylinder (4) and a first piston (21) slidably received within the hydraulic cylinder (4), one of the first hydraulic cylinder (4) and the first piston (21) being connected to the base, the other one being connected to the first lever (6) or the first floating weight (3), a first output non-return valve (15) connected to an output of the first hydraulic cylinder (4), a first input non-return valve (14) connected to an input of the first hydraulic cylinder (4), a high-pressure hydraulic line (16) connected to the first output non-return valve (15), a low-pressure hydraulic line (17) connected to the first input non-return valve (14), a hydraulic tank (18) connected to the low-pressure hydraulic line (17), and a hydraulic motor (5) or turbine coupled to an electric generator, wherein an inlet (27) of the hydraulic motor (5) or the turbine is coupled to the high-pressure hydraulic line (16) and preferably an outlet (28) of the hydraulic motor (5) or the turbine is coupled to the tank (18).
Absstract of: US2025101941A1
A pressure-regulating buoyant hydrodynamic pump is disclosed that floats adjacent to a surface of a body of water over which waves tend to pass. In response to wave-induced movements of the device, water is drawn into a mouth at a lower end of an injection tube, and water is ejected from a mouth at an upper end of the injection tube. The ejected water is deposited into an interior of the hollow buoy thereby augmenting a water reservoir therein. And water flows from the water reservoir to and through a water turbine, thereby energizing a generator, power electronics, and an electrical load. A novel water-turbine effluent buffering tube, or chamber, smooths pressure variations felt across the water turbine.
Absstract of: US2025101943A1
A water-driven turbine has an elongated endless conveyor with down and up streaming straightaways connected by travel-reversing turns. Paddles mounted on the conveyor present high resistance to waterflow on the downstream straightaway and low resistance to waterflow or the atmosphere on the upstream straightaway, the differential allowing the flow of water to continuously drive the conveyor which is connected to a power take-off shaft facilitating connection to a variety of energy-harnessing systems. The turbine can be towed, self-driven or mooring line manipulated to a flow site and is operable in unidirectional flows such as rivers and reversing flows such as tides at depths from surface to bottom. The paddles can be mounted or changed on shore, at the flow site and anywhere in between. The turbine is efficient in low and high velocity water flow, not easily damaged by floating debris, cavitation free and fish, mammal and environmentally friendly.
Absstract of: AU2025201360A1
Abstract An energy-harvesting compute grid includes computing assemblies that cooperate with mobile energy harvesters configured to be deployed on a body of water. The plurality of energy harvesters are positioned on and move adjacent to an upper surface of a body of water, and the locations of the energy harvesters can be monitored and controlled. The widespread gathering by the harvesters of environmental data within that geospatial area permits the forecasting of environmental factors, the discovery of advantageous energy-harvesting opportunities, the observation and tracking of hazardous objects and conditions, the efficient distribution of data and/or tasks to and between the harvesters included in the compute grid, the efficient execution of logistical operations to support, upgrade, maintain, and repair the cluster, and the opportunity to execute data-gathering across an area much larger than that afforded by an individual harvester (e.g., radio astronomy, 3 D tracking of and recording of the communication patterns of marine mammals, etc.). The computational tasks can be shared and distributed among a compute grid implemented in part by a collection of individual floating self-propelled energy harvesters thereby providing many benefits related to cost and efficiency that are unavailable to relatively isolated energy harvesters, and likewise unavailable to terrestrial compute grids of the prior art.
Absstract of: AU2025201667A1
Abstract e for conversion of wave energy into electrical energy and the process for its deployment at the station location, wherein the device comprises a supporting construction (50) composed of buoyancy nts (52) and having a supporting tube (51) attached on the upper side. The device comprises a joint gear n the inner circumference connected with the outside surface of the supporting tube (51) in a sliding er and a sphere (32) to which is the floating body (20) pivotally connected. The device has two gears, the flexible gear (1) for connecting the floating body (20) to the second gear and the second gear for cting the flexible gear (1) to the generator. The flexible gear (1) consists of pulleys (6a, 6b, 6c) and a le element, e.g. a rope or a steel cable and the second gear can be arranged in several suitable forms, e.g. Jements as a set of a gear (4) and a rack (2) positioned inside the lower supporting tube (53) or a flexible nt, e.g. a chain (3) and a sprocket wheel (5) set in the buoyancy element (52). The supporting construction s by ropes (63) connected to the anchor weight (67) that is made in a form of a sphere segment either ly or through the rolling elements placed in the spherical dent of the anchor base (61). The invention rises the process for device deployment at the exploitation location which is particularly suitable due to transport with low draught.
Absstract of: GB2633861A
A vessel for generating electrical energy from water flow in tidal or river currents, having paddles 1 mounted to a plurality of linked 6 platforms (5, diagram B) that form a loop that run from the front to rear of one or more moored vessels or pontoons over five-sided light girder drums 4. Each paddle may be hinge 8 mounted to each platform, allowing the paddles to hang vertically when pushed by the current, flip over to a flat position 1 when the paddle leaves the water, before flipping to a hanging position when re-entering the water. A rigid support/strut 2 may be attached to each paddle to support the paddle when it is being pushed by the current, the support engages with a fixture (3, diagram B) in the platform. The drums have flat surfaces that accommodate the platforms and have circular rims to keep the platforms in place. Each paddle may have two buoyancy tubes (6, diagram B) to prevent the paddle from sinking when immersed. One of the drums axles drives electrical generating equipment. The paddle assembly may be mounted to the side of a pontoon/vessel, and/or mounted between two or more pontoons/vessels.
Absstract of: CN119675537A
提供一种漂浮式海上光伏与摇摆式波浪能装置的集成发电系统。系统中，漂浮式海上光伏支架包括若干钢架和设于钢架底部以提供浮力的浮筒，光伏发电板支承于漂浮式海上光伏支架；一对摇摆式波浪能发电系统分别设于漂浮式海上光伏发电系统前后两端，浮力摆随波浪运动而摆动，旋转杆连接并约束浮力摆，锚固结构连接旋转杆和系泊缆液压缸内设有液体，活塞杆铰接浮力摆且相对于液压缸移动以压入或抽取液压缸内的液体，发电机经由输油孔连接液压缸以导入液体到发电机或将液体导出发电机，发电机包括线圈和永磁体，线圈经由液体流动而转动切割磁感线发电。本系统减小了作用在漂浮式海上光伏的波浪荷载，提高了对海上能源地利用效率。
Absstract of: CN119664565A
本发明公开了一种波浪能转换装置及方法，包括阻尼悬浮装置、浮舱组件和锚固装置，所述阻尼悬浮装置上设置导轴，阻尼悬浮装置通过导轴与浮舱组件连接，所述锚固装置与阻尼悬浮装置连接。本发明实现了波浪能的能力转换，可以解决以往波浪能转换装置结构复杂、能量转化效率低、成本高昂、安装海域局限、可靠性差等问题。通过浮舱组件随波浪上下运动，将波浪能转换为浮舱组件的动能和势能，再通过液压油缸将浮舱组件的动能和势能直接转换为液压能输出，减少了能量损耗，提高了能量转换效率。
Absstract of: CN119675490A
一种高效收集低频波浪能的球型非接触式摩擦纳米发电机，涉及波浪能收集领域。该球型非接触式摩擦纳米发电机由定子与转子两部分组成，定子与转子分别对应同心球的外球壳与内球壳。外球壳内表面的铜电极与内球壳外表面的聚四氟乙烯（PTFE）薄膜形成非接触式的TENG，将机械能转化为电能。可将分布广泛、频率低、峰值无规则的波浪能收集起来为小型电子设备供电。提供的成本低廉、结构简单、性能稳定的非接触式TENG为收集/利用无规则波浪能提供切实可行的方案，具有重要现实意义。
Nº publicación: WO2025054673A1 20/03/2025
Applicant:
D SPAR TECH PTY LTD [AU]
D-SPAR TECHNOLOGIES PTY LTD
Absstract of: WO2025054673A1
Embodiment of a wave energy conversion (WEC) apparatus are disclosed. In one embodiment, a WEC apparatus (10) comprises an outer member (14) and an inner member (16). At least one of the outer member (14) and inner member (16) is configured to move in response to an incident wave regime. In use, relative motion between the outer member (14) and the inner member (16) is used to generate electrical power.
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