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41
results.
Updated on
28/03/2025 [07:32:00]
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: WO2024009058A1
The present disclosure relates to a tidal turbine for converting kinetic energy of water into electrical energy. An aspect of the disclosure provides a tidal turbine assembly (100) comprising: a first turbine (110), comprising a first plurality of foils (111-113), that is configured, in use, to rotate around an upright axis that is upright relative to the sea bed; and a second turbine (120), comprising a second plurality of foils (211-213), that is configured, in use, to rotate around an upright axis that is upright relative to the sea bed; wherein the first turbine (110) and the second turbine (120) are coupled by a support beam (130) that is configured to be, in use, above the sea level; and wherein the support beam (130) is coupled to a support column (140) to support the support beam, in use, above the sea level.
Absstract of: US2025084818A1
The disclosure features subaquatic power generation systems and methods of their use in bodies of water. Some implementations feature a subaquatic power generation system that includes (a) a housing having an inlet, an outlet, and, between the inlet and outlet, a channel through which water can pass in a fluid flow direction, and a power generating area defining a watertight and airtight chamber configured to provide an air pocket within the housing when the housing is fully submersed in water; and (b) a waterwheel disposed within the power generating area such that a longitudinal axis of the waterwheel is oriented generally horizontally and generally perpendicular to the fluid flow direction, an upper portion of the waterwheel is disposed within the chamber, and a lower portion of the waterwheel is disposed within the channel and acted upon by fluid flow through the channel.
Absstract of: US2025084821A1
A power generation complementary system for tidal range power generation and construction, which provides a bay construction tidal range power generation facility to carry out reciprocal and complementary power generation in response to the changing high and low tide levels at tidal time curve turning points, to produce stable power output. The system is constructed with a reserve weir pool facing the direction of incoming ocean tidal energy. The reserve weir pool is divided into a left pool area and a right pool area, which are respectively equipped with an energy conversion equipment associated therewith. According to the state of a tidal time curve, mutually dependent control devices relay an instruction to sequentially handover operation from one conversion equipment to the other conversion equipment, thereby enabling the system to receive quantities of energy and carry out complementary power generation at the appropriate times.
Absstract of: JP2025033260A
【課題】表層潮流エネルギーを効率よく回生することのできる浮体式水車装置、及び、浮体式の潮流発電設備を提供する。【解決手段】カタマラン構造の浮体１１を構成する並置された２つの胴体の間を水路１２として開放型下掛け式水車１３を設置し、水車後流の水路側壁を流れ方向に拡幅、及び／又は、は水路床面１２ｃを傾斜させた下流側に拡流部１２Ｂを有する水路構造とすることにより、通過流体の比エネルギーを増大させる。このカタマラン構造の浮体１１は、１本の係留索３０Ｃを介して海底に固定された係留アンカー３２に係留することにより、潮流に対し水路１２の拡流部１２Ｂ側が自動的に下流側になる。さらに、上記開放型下掛け式水車１３は、フロート式の水車搭載機構２０により、上記カタマラン構造の浮体１１に設置することにより、迎え流速によって大きく変動する水路表面形状に追従させる。【選択図】図２
Absstract of: DK202370390A1
Disclosed is a wave power plant comprising a frame construction extending in a longitudinal direction and having a rotor shaft extending in the longitudinal direction of the frame construction, a plurality of rocking rotors, the plurality of rocking rotors being arranged rotatably with respect to the frame construction around the rotor shaft each rocking rotor comprising a buoyant body, the buoyant body having a shell, a bearing arranged at the rotor shaft, an interface construction configured to interconnect the buoyant body with the bearing, such that the rocking rotor is rotatably connected to the rotor shaft, wherein, the shell of the buoyant body has a triangular shape having a first side and a second side being first and second convex shaped sides and a third side being a third concave shaped side, the third concave shaped side facing the rotor shaft.
Absstract of: WO2025054228A1
The disclosure features subaquatic power generation systems and methods of their use in bodies of water. Some implementations feature a subaquatic power generation system that includes (a) a housing having an inlet, an outlet, and, between the inlet and outlet, a channel through which water can pass in a fluid flow direction, and a power generating area defining a watertight and airtight chamber configured to provide an air pocket within the housing when the housing is fully submersed in water; and (b) a waterwheel disposed within the power generating area such that a longitudinal axis of the waterwheel is oriented generally horizontally and generally perpendicular to the fluid flow direction, an upper portion of the waterwheel is disposed within the chamber, and a lower portion of the waterwheel is disposed within the channel and acted upon by fluid flow through the channel.
Absstract of: WO2023214322A1
The invention relates to a plant 20 for the exploitation of renewable energy sources in open sea. The plant comprises: a vertical main pillar 22 comprising a part 24 over sea level and an immersed part 26; at least one electric generator 28 that produces electric power exploiting renewable energy sources; a battery storage 30 for storing electric power; and an electrical connector 34 that makes available the electric power to an external user. Furthermore, in the plant of the invention the battery storage is inside the main pillar, develops in the immersed part, and comprises a movable structure configured for allowing the movement of batteries along the main pillar.
Absstract of: US2025074554A1
Methods and systems are provided for nautical stationkeeping of free-floating objects. In one example, a method includes adjusting translational motion of a body freely floating in water by rotating the body. The translational motion may be adjusted, for instance, to maintain the body within a geographic area. In certain examples, the adjustment of the translational motion may be realized via a Magnus effect induced by rotating the body. The body may be configured as, for example, a free-floating object such as a wave engine.
Absstract of: MA61744A1
This device involves a bucket (1) that carries water from the basin (21) at the bottom, stores it in the tank (11) at the top, and returns it to the basin through a pipe (14) to operate the turbine electric generator (M) located below.
Absstract of: WO2025041443A1
Provided is a technique for converting the energy of waves and appropriately storing the energy. This wave power engine 1 converts the swaying of an oceanic moving body to prescribed energy. The wave power engine 1 includes: a first container part 21 that is fixed to an oceanic moving body and that sways in accordance with the swaying of the oceanic moving body; a weight part 3 that is housed in the first container part 21 and is configured to be movable inside the first container, and that thereby moves relative to the first container part; a hydraulic pump 4 that applies pressure to a prescribed fluid using kinetic energy based on the relative motion of the weight part 3; and a pressure accumulation tank 31 that seals the fluid pressurized by the hydraulic pump 4 and thereby accumulates the pressure of the fluid. The weight part 3 pushes in a piston 42 along with the relative motion, whereby the piston 42 slides within a cylinder 41 in the hydraulic pump 4 and pressure is applied to the fluid.
Absstract of: WO2025040935A1
A tidal energy converter system comprising a fluid pressurising subsystem and a release mechanism wherein the fluid pressurising subsystem comprises a float, a plurality of weights, at least one piston slidably received in at least one cylinder. During an upward stroke of the fluid pressurising subsystem that is correspond to a high tide, the plurality of weights is moved to an elevated position. The plurality of weights is being held at the elevated position until the float engages the release mechanism during a downward stroke. As a result, the plurality of weights falls down and causes the at least one piston to move downwards and eject pressurised fluid out of the at least one cylinder.
Absstract of: US2025067240A1
Embodiments disclosed herein include buoyant wave energy converters. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. An injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber below the waterline and vertically beneath the upper chamber. In an embodiment, an effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the second fluid reservoir.
Absstract of: US2025067241A1
Embodiments include a buoyant wave energy converter. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. In an embodiment, an injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber submerged below the waterline and vertically beneath the upper chamber. An effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the injection tube.
Absstract of: NZ744544A
A turbine assembly, that is positively buoyant in water, and anchored to a water bed, so that the assembly is held in a state of floating equilibrium. The turbine assembly 200 has a support structure 226 and a turbine system comprising first and second turbines, supported by the support structure, and connected by a beam 224 where the first turbine is mounted on one surface of the beam, and the second turbine is mounted on a second, opposing surface of the beam 224. The first turbine system is rotatable about a horizontal axis, relative to the support structure in a direction parallel to the operational axis of the turbine. Both turbines are a flowing-water driveable turbine for generating power from water flow. The turbines have an operational axis and are designed for optimum power output when local water flow is aligned with the operational axis. The turbines have a parallel operational axis. With two turbines operating simultaneously, the overall power generation potential is significantly increased, and by having parallel operational axes, the system can capture energy from currents flowing in either direction without sacrificing efficiency. This is particularly beneficial in bi-directional flows like tidal currents.
Absstract of: AU2023331173A1
An apparatus is disclosed for extracting energy from an oscillating working fluid. The apparatus comprises a housing 50 which is positioned on a floatable support structure 120/130 that is arranged in use to float on a body of water having waves. The the housing has an internal flow passage for receiving air; and a turbine 60/70 which is disposed at the housing. A unidirectional flow of the air is drawn out of the chamber by the use of an OWC created by respective incoming and outgoing flows of waves. The unidirectional flow of the OWC acting on the turbine 60/70 is responsive to, and generated by, only one of the flows of the waves.
Absstract of: AU2023332402A1
A wave energy apparatus for extracting energy from waves generated by a body of water, the apparatus including an elongate flexible tubular body, which defines a channel therein having a longitudinal axis, and a plurality of resiliently deformable elements disposed along the tubular body; wherein the elongate flexible tubular body is inextensible in a radial direction; the elongate flexible tube is open at each end; each resiliently deformable element is axially spaced from the adjacent resiliently deformable elements; each resiliently deformable element is secured to the tubular body at two or more anchor portions, wherein the anchor portions for each resiliently deformable element are circumferentially spaced from each other; each of the resiliently deformable elements has a non-extended configuration in which the respective anchor portions of the tubular body are spaced from the longitudinal axis of the channel by a first spacing, and an extended configuration in which the anchor portions of the tubular body are displaced radially outwards and are spaced from the longitudinal axis of the channel by a second spacing, wherein the second spacing is greater than the first spacing; and wherein the cross-sectional area of the tubular body when the resiliently deformable elements are in their extended configuration is greater than the cross-sectional area of the tubular body when the resiliently deformable elements are in their non-extended configuration.
Absstract of: US2025059947A1
An apparatus is for producing electricity from a moving fluid, wherein the apparatus has: an elongated body having a longitudinal axis, the elongated body being arranged to be attached to the ground or seabed and exposed to the moving fluid; at least one tensioned cable, which is supported in tension from the elongated body, and which is arranged at least in part inside the elongated body and further arranged to oscillate or vibrate upon oscillation of the elongated body; and at least one energy harvester for converting kinetic energy of the at least one oscillating or vibrating tensioned cable to electric energy.
Absstract of: US2025059942A1
An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.
Absstract of: WO2025037045A1
A panel arrangement of a wave energy converter (WEC), which panel arrangement comprises a panel (2) reciprocating about a pivot shaft (2a) on bearings (2b), and a connection mechanism (5) with a lever arm (5a), which is arranged to transfer the reciprocating motion of the panel (2) to one or more power units (3) of the WEC, which panel (2) comprises at least a top part (7) and a bottom part (9). In the front view of the panel (2) the bottom part (9) of the panel (2) is narrower than the top part (7) of the panel (2).
Absstract of: WO2025037988A1
Apparatus (100) for generating electric power from water currents, wherein the apparatus (100) comprises a buoyant main body (200) and at least two buoyant side bodies (210a-d) arranged in a formation with the buoyant side bodies (210a-d) arranged at each side of the buoyant main body (200). The apparatus (100) comprises power generating devices (300a-d) enabling generation of power from water flow in two directions.
Absstract of: WO2025038693A1
An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.
Absstract of: WO2025037988A1
Apparatus (100) for generating electric power from water currents, wherein the apparatus (100) comprises a buoyant main body (200) and at least two buoyant side bodies (210a-d) arranged in a formation with the buoyant side bodies (210a-d) arranged at each side of the buoyant main body (200). The apparatus (100) comprises power generating devices (300a-d) enabling generation of power from water flow in two directions.
Nº publicación: KR20250021734A 14/02/2025
Applicant:
KOREA INSTITUTE OF OCEAN SCIENCE & TECH [KR]
\uD55C\uAD6D\uD574\uC591\uACFC\uD559\uAE30\uC220\uC6D0
Absstract of: KR20250021734A
본 발명의 일 실시예에 따른 조류 발전용 듀얼 하이브리드 터빈 시스템은 상호 이격하여 배치된 터빈부를 포함하는 터빈 시스템으로, 터빈부는 상하로 수직하게 연장 형성된 출력축과, 출력축의 외면에서 외측방향으로 연장된 블레이드 연결부재와, 블레이드 연결부재의 단부에 배치된 외측 블레이드와, 출력축의 외면에 배치되는 내측 블레이드를 포함한다. 본 발명에 따른 조류 발전용 듀얼 하이브리드 터빈 시스템은 외측 블레이드와 내측 블레이드를 이용하여 조류의 유속변화에도 발전기에 부하 변동을 최소화하여 효과적인 발전을 수행할 수 있는 효과가 있다.
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