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WO/2021/231656A1 |
A system includes a float including a drivetrain, a reaction structure coupled to the drivetrain by a tendon, and an extension spring having a first end coupled to a fixed point on the tendon and a second end configured to be disposed at...
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WO/2021/231755A1 |
Disclosed herein is a device for directing fish toward a preferred path in a water passageway. The device includes a base and a plurality of spaced bars coupled to the base and cantilevered from the base. The plurality of spaced bars are...
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WO/2021/224740A1 |
A hydrodynamic turbine is described, which comprises: an electric energy generator; a rotor; a rotation shaft having a first end and a second end. Wherein said first end is engaged with said rotor. Said second end of said rotation shaft ...
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WO/2021/224741A1 |
A hydrokinetic energy recovery system comprising: a crossbar having a longitudinal extension along an axis of development; a plurality of hydrokinetic turbines integrally engaged with said crossbar; a plurality of protection rods engaged...
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WO/2021/222467A1 |
The present invention discloses improved means of venting bottom hinged water control gates through the abutments over a wide range of tailwater elevations while minimizing the hazard of trapping water bom debris in the abutment vents. A...
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WO/2021/219695A1 |
The invention relates to a device (1) for inspecting a cavitation damage or a crack of a runner (7) of a hydro turbine, comprising a remote operated vehicle (20) or an autonomous underwater vehicle, comprising at least one camera and/or ...
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WO/2021/218596A1 |
The present invention relates to an energy-gathered type sea wave weighted power generation system and an offshore ecological platform, comprising a device supporting platform and sea wave weighted power generation apparatuses mounted on...
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WO/2021/222221A1 |
A unique point absorber type wave energy conversion device is disclosed that includes a Power Take Off (PTO) which uses a torsion spring to return a vertical shaft to its original position after being rotated by a rope or cord that pulls...
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WO/2021/219302A1 |
A point absorber wave energy converter is described. The converter uses a surface piercing float (1) operably coupled to a water column tube (2) extending downwardly from the surface piercing float (1), the tube (2) being open at its bot...
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WO/2021/219854A1 |
The invention relates to an underwater pumped-storage power plant reservoir in a dry but floodable ground depression, in particular in an open-cast mine that is disused or still in operation, the reservoir comprising: a modular arrangeme...
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WO/2021/214715A1 |
The ocean wave power generator with an artificially intelligent controller (10) is a wave power generator based on a two-body mass-spring-damper system, including a first mass (12), a second mass (14), and a linear generator (24) coupled...
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WO/2021/216395A1 |
A fluid acceleration system includes a housing, a rotational element, a conduit assembly, and a driver. The housing defines an inlet, an outlet, and an interior chamber configured to receive a fluid. The rotational element is disposed wi...
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WO/2021/214656A1 |
The invention relates to a device (10) for analysing water and a swimming pool equipped with such a device. The device comprises: - an analysis chamber (12) provided with at least one water inlet (22) and at least one water outlet (24), ...
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WO/2021/215901A1 |
The invention relates to hydraulic power engineering and can be used for converting the energy of a pressurized flow of water into electrical or other energy. A hydraulic power system consists of: housings; an injector; a conical axial t...
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WO/2021/209980A1 |
A method of making wave energy capture means in a cliff. At least two pairs of holes (2, 2, 3, 3) are drilled in a cliff 1 which emerge from its face in a pattern which enables an oscillating water column (OWC) chamber 5 to be excised. A...
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WO/2021/210734A1 |
The present invention relates to a flow-driven hydroelectric generator equipped with an exposed generator, which can be constructed conveniently and safely in any place with a flow path, such as a river or a stream.
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WO/2021/209799A1 |
An improved operation of a reaction turbine and method for the same are disclosed. The reaction turbine includes one or more guide vanes configured to control a flow of water to direct the flow of water from the scroll casing to a runner...
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WO/2021/211353A1 |
A turbocharger includes a turbocharger housing having an impeller housing comprising a circular cross-section. A main nozzle is disposed within the turbocharger housing communicating a first portion of a fluid stream to a first volute. A...
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WO/2021/210987A1 |
The invention relates to a floating vessel (1) for energy harvesting, comprising:a hull (2), and a wave power plant (10). The wave power plant comprises:an inlet (11) arranged to receive waves of water, said inlet (11) leading to a trans...
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WO/2021/207588A1 |
In a general aspect, a system stores energy underwater. In some aspects, the system includes a base having a bottom side resting on an underwater floor and a top side that includes recessed surfaces. The system also includes domed walls ...
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WO/2021/203224A1 |
A wave generator doing work in one direction by using buoyancy, comprising a wave energy convert system and a pretensioning system; the wave energy convert system comprises a sea surface assembly (129), an energy collecting cable (30) an...
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WO/2021/204130A1 |
Disclosed is an ocean power transmission solution. In an existing queue of floating bodies, floating bodies at the head and at the tail of the queue are moored; in the queue, adjacent floating bodies are connected by ropes (44); and in t...
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WO/2021/206758A1 |
Apparatuses, systems, and methods are provided for generating power. A pipe (110) having an input flow is coupleable to an input section (140) configured to receive at least a portion of the input flow. A generation section (130) is coup...
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WO/2021/205056A1 |
This invention relates to a coupling arrangement in a wave energy recovery apparatus that comprises a reciprocating panel with a pivot shaft (2a), a power-take-off unit with a primary shaft (4a) and a coupling (5), which coupling (5) com...
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WO/2021/205853A1 |
Provided is a power generation system which includes a wave power generator which can be easily configured. A power generation system (1) equipped with: a power generation unit which includes a wave power generator (11); a power storag...
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WO/2021/205316A1 |
Systems and methods for a single-body point absorber buoy with a rigid body housing a multi-stage hollow cylinder, a multi-thread high helix shaft, a low rounds-per-minute permanent magnet alternator/generator, damping/heave plate and co...
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WO/2021/203183A1 |
The present invention patent relates to a current energy collection unit (1) which is characterized in that it comprises a reaction turbine (2), which in turn is formed by screws (4) that have an elliptical arc axial profile and that are...
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WO/2021/203177A1 |
A piezoelectric reactor for renewable energy under variable hydrostatic pressure conditions consists of a hydrochamber containing liquid, comprising a horizontal liquid plate and a vertical liquid column which are interconnected, wherein...
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WO/2021/196531A1 |
A vertical axis magnetic suspension tidal stream energy power generation apparatus and method combined with an offshore horizontal axis wind turbine tower, comprising a central unit, magnetic suspension rotor units, and support units; th...
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WO/2021/200551A1 |
This wave power generation control method comprises steps (S10, S12) for acquiring information pertaining to hydrographic conditions in a sea region where a wave power generation device is installed, and steps (S14, S16) for controlling ...
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WO/2021/190885A1 |
The present invention describes a floating wind turbine (10) comprising: - a tower (2) extending axially along a longitudinal axis (Z) of the floating wind turbine (10), - a nacelle (3) and a rotor (5) attached to an upper end of the tow...
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WO/2021/191174A1 |
The invention relates to a method for transferring sediment in a body of water (1). The body of water is equipped with a discharge element (3) which is connected to a hydroelectric power station (2) by means of a connection line (6) such...
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WO/2021/194366A1 |
The invention consists in a system for capturing wave energy and for converting it into electricity. The system according to the invention consists of a rotor (1) placed horizontally on a floating platform (4) by means of a central axle ...
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WO/2021/194351A1 |
An apparatus (1) an a method for harvesting energy from ocean waves, the apparatus comprising: - a crank shaft (5) provided with a crank pin (7) operatively connected to a drive system (10) for rotating the crankshaft, wherein the drive ...
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WO/2021/191080A1 |
The present disclosure relates to a method of controlling energy conversion and/or applied wave loads for a membrane power conversion wave energy converter (WEC) having a longitudinal axis and at least one cell having a membrane. The met...
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WO/2021/195402A1 |
A system for generating energy from waves in a body of water includes a resilient fluid container that contains a fluid. When the fluid container is compressed and decompressed, the fluid flows out of and into the fluid container. A pane...
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WO/2021/190073A1 |
A deep-sea pressure power generation apparatus having an open/close-controllable space, comprising a deep-sea pressure power station. The deep-sea pressure power station comprises an ocean-communicating space connected to a deep-sea wate...
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WO/2021/189102A1 |
A tidal power generation system has a vertical post being embedded in a sea floor and a floating barge operably coupled to the post. The floating barge has a gear rotationally driven by the post as the floating barge moves vertically wit...
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WO/2021/186070A1 |
Disclosed is a WEC module for connection to a WEC system having a power take-off (PTO) configured to generate electricity in response to fluid flow in a fluid flow path of the system. The module comprises a mounting portion for releasabl...
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WO/2021/186177A1 |
A hinged raft for a wave energy conversion device (WEC) having a first buoyant body and a second buoyant body being hingedly connected to the first buoyant body such that the fore buoyant body can brought into contact with the aft buoyan...
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WO/2021/186405A1 |
Turbine (1) comprising an impeller (2) rotatable around an axis of rotation (A), the impeller (2) comprising a body and a plurality of blades (21) which protrude from said body, wherein for at least part of said blades (21), preferably a...
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WO/2021/182955A1 |
A rotary machine (1) for conversion of a flotation force into a driving force, comprising a receptacle (2) holding a fluid (3) and a flotation body (4) received in the receptacle (2) and embedded in the fluid (3), wherein the flotation b...
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WO/2021/183088A2 |
The present invention relates to a turbine (1) that is used in areas such as rainwater and waterfalls where water flow occurs, and generates electric energy with increased efficiency by means of a conical reservoir bucket (9). The struct...
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WO/2021/183460A1 |
A smart clamp load handler configured for controlling movement of its clamp arms and force applied by its clamp arms by changing positions of one or more solenoid operated valves to control hydraulic fluid flow to and from clamp arm actu...
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WO/2021/180755A1 |
The invention relates to a device and a method for storing and drawing on energy, comprising at least one movable actuator (11) and a first actuating device (12) having a motor generator (13). The first actuating device (12) is connected...
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WO/2021/182772A1 |
The present invention relates to a lifting/lowering-type pumped hydroelectric storage apparatus. More specifically, the apparatus comprises: a power generation structure having an open upper portion and a storage space formed therein; a ...
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WO/2021/183975A1 |
The present invention is a fish passage system for use at dams. It may incorporate one or more reversible pump-turbines for controlling and generating power from downstream flow of water and fish and for pumping water and fish upstream. ...
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WO/2021/181166A1 |
The energy transition necessitates an expansion of storage capacities. Solar and wind energy are available in abundance, but not at all times. Power generation depends on the weather, the time of day and the season. In order to secure th...
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WO/2021/180192A1 |
A buoyancy-based swinging gravity self-balancing grouped power generation apparatus, consisting of a power generator (305), a two-way integrated kinetic energy integration and slow release device (300), a buoyancy kinetic energy power ge...
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WO/2021/180502A1 |
The present invention relates to a method for predicting a characteristic resulting from a swell, for a floating system, the method implementing the update (MAJ) of a spectral model (MSH) of the swell in order to form a model (MPR) for p...
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