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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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WO/2021/177890A1 |
The present invention relates to an inlet for a hydrodynamic screw, the inlet comprising - a first end connectable to a hydrodynamic screw, the first end having a first opening - a second end for transporting water through the inlet towa...
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WO/2021/172998A1 |
Energy harvesting buoy (10) comprising a float (11) and a waveenergy converter (20), wherein the wave energy converter (20)comprises a translator (40) in the form of a magnetic lead screwarranged movable in a sleeve (30) extending vertic...
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WO/2021/170271A1 |
The invention relates to a hydroelectric power plant comprising a closing member, a relief valve, a device (4) for actuating the closing member, and a device (5) for actuating the relief valve, the device (4) comprising a lead screw (6),...
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WO/2021/173384A1 |
A coil regeneration device comprises an electrically conductive coil including a coiled section; a double magnet system including an inner magnet disposed inside and movable within the coiled section and an outer magnet surrounding and m...
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WO/2021/171065A1 |
A gravity and buoyancy engine producing energy via a cyclical process of harnessed gravity and buoyancy has a gravity chamber, at least one air lock chamber, at least one electricity producing system, at least one buoyant object, and at ...
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WO/2021/167523A1 |
A power take-off apparatus for a wave energy converter of point absorber type, comprising: a cylinder (1) adapted to be attached to a floating device and comprising a first upper end and a second lower end; a piston (5) arranged to recip...
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WO/2021/167565A1 |
The present invention is a device that pumps water by being driven from the stream and tidal currents, mainly consists of the following; cylindrical impeller (1) that is partially or completely submerged in water; impeller shaft (2) plac...
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WO/2021/167278A1 |
The present invention relates to an eco-friendly small hydropower generation apparatus comprising: first and second seesaw arms extendably provided in the directions intersecting with the extension direction of a first rotary shaft so as...
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WO/2021/163749A1 |
There is disclosed an energy generation device comprising a working fluid source; a disk member in fluid communication with the working fluid source and rotatable to cause the working fluid to travel within the disk member towards an out...
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WO/2021/168482A1 |
The ocean thermal and hydraulic energy conversion system includes a closed loop assembly comprising a pipeline filled with a working fluid, a pump and a turbine. The system includes a first supply line to transport warm water to an evapo...
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WO/2021/161146A1 |
A system (10) for harnessing wave energy is disclosed. The system comprises of at least one buoy (100), and a plurality of floats (101, 102, 103, 104) configured to oscillate based on incidence of waves and are hingedly connected around ...
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WO/2021/159218A1 |
Provided herein is a system for generating electrical current including a transducer subsystem having an upper end and a lower end, the transducer subsystem generating electrical current responsive to objects being dropped individually f...
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WO/2021/160186A1 |
A wave energy power generating observation buoy, comprising a semi-submerged main platform (7), a disk-shaped platform (1), and a plate-shaped underwater auxiliary body (11). A plurality of wave absorbing floaters (8) are distributed eve...
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WO/2021/161190A1 |
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 an...
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WO/2021/162813A1 |
A machine for driving an electric generator moves a power module through a DOWN and UP duty cycle along a closed-loop, vertically oriented pathway. In the DOWN portion of the duty cycle, the module falls through air under the influence o...
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WO/2021/161400A1 |
This variable speed pumping system is provided with an electric generator motor which is provided with a frequency converter and a primary side of which is synchronously connected a commercial power system despite the fact that a rotor t...
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WO/2021/158238A1 |
Disclosed is an underwater water transfer apparatus deployable within a water body. The apparatus includes a closed receptacle suspended underwater at a first depth, the receptacle adapted to receive ambient water at the first depth ther...
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WO/2021/153960A1 |
The present invention relates to a water current power generation apparatus, comprising: a first return unit (100) and a second return unit (200) installed spaced apart from one another; a first disc unit (130) and a second disc unit (23...
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WO/2021/152337A1 |
The present invention relates to a turbine (42) for a water flow energy converter (40) comprising five blade systems (82) arranged in radial directions perpendicular to a shaft (44) of the turbine (42), each blade system (82) comprises a...
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WO/2021/151578A1 |
The invention relates to a device (20) for producing electrical energy in a conveyor belt (9) of a belt conveyor (1), wherein the device comprises a generator (35) for generating electrical energy and preferably a battery (41) for storin...
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WO/2021/152307A1 |
The invention relates to a floatable hydroelectric generator (10) for harvesting electrical energy from the flow (R) of water in a river. The generator assembly (10) includes a floatable chassis (12) to which are connected two spaced-apa...
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WO/2021/145779A1 |
It is described a device for transforming energy in the form of work of a piston (3) acting against a pressure in a liquid/fluid (2), into electrical energy, said liquid/fluid forming a surface (4) towards the atmosphere, said device com...
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WO/2021/146263A1 |
Various examples of simultaneous ocean wave and current energy harvesting are described, using a hybrid ocean energy converter and a mechanical transfer system therefor. In one example, a hybrid ocean energy converter includes a two-body...
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WO/2021/145838A1 |
The invention relates to a system for generating electrical energy which is intended for generating electricity from the rhythmic wave movements created in the sea or ocean, comprising at least one moving platform (1) that activates othe...
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WO/2021/145166A1 |
A fluid power generation device which enables converting the energy of a fluid into electric energy and obtaining a large amount of generated power, and an installation structure of a power generation device are provided.　The fluid pow...
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WO/2021/140481A1 |
The invention relates to a plant (100) for the generation of hydroelectric energy which comprises at least one water heating tank (10) and at least one water cooling tank (70), where the water cooling tank (70) is placed at a higher poin...
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WO/2021/141496A1 |
A wave power plant on a barge or vessel situated in large sea areas or close to coasts, where there are optimal conditions to convert the wave energy to hydroelectric power. The plant can also be combined with wind turbines for more effi...
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WO/2021/135526A1 |
A combined duck-type wave energy power generation apparatus and a power generation method. The power generation apparatus comprises a hydraulic energy capturing system (100) and a mechanical energy capturing system (400). The hydraulic e...
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WO/2021/137852A1 |
The VEHICLE WITH TRAVELING WAVE THRUST MODULE APPARATUSES, METHODS AND SYSTEMS include force or forces applied to an arc-like flexible sheet-like material to create a deformed crenated strip fin with strained-deformations. The strained- ...
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WO/2021/129661A1 |
An air turbine and a power generation device. The air turbine comprises an air chamber (2), an air valve (3) and a rotor (4). The air pressure in the air chamber (2) is adjustable, and differences between air pressure in the air chamber ...
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WO/2021/127790A1 |
The invention relates to a run-of-the-river power plant, comprising, in particular: a water basin below the surface of the earth; and a cavern, which is constructed below the water basin and has a turbine for renewable power generation. ...
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WO/2021/129657A1 |
Disclosed are an air turbine and a power generation device. The air turbine comprises an air chamber (2), an air valve (3) and a rotor (4). The air chamber comprises a first opening (21) in communication with the atmosphere; air pressure...
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WO/2021/125969A1 |
A hydroelectric energy production and storage system comprising an upper reservoir located in a depression or cavity in the ground and a lower reservoir located underground, where objects are arranged in the depression or cavity forming ...
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WO/2021/125935A1 |
The present invention relates to an in-pipe hydropower generator (100) comprising a main channel (104), a plurality of gate valves (106), a pressure meter (107), characterised by a power generation channel (105) positioned within the mai...
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WO/2021/124361A1 |
The present invention relates to a marine system (1) for the generation of energy from the pitch of floating bodies induced by the wave motion, comprising: a marine installation (10), which has at least one emerged portion (11) with resp...
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WO/2021/127663A2 |
A kinetic fluid energy to mechanical energy conversion includes rotatable hubs supporting one or more independently controlled articulating energy conversion plates ("ECP") and systems and components for alternating the independent contr...
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WO/2021/125985A1 |
The object of the invention is a method of operation and a propulsion unit for vehicles, where the movement of the propulsion unit comprising at least two modules, each consisting of a frame (1) and fixing beams (3a) and (3b) and provide...
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WO/2021/116104A1 |
The invention relates to a marina system comprising at least one berth (13) for boats, at least one lock chamber (14, 14a) with two lock gates (15, 15a; 16, 16a) each, and a hydroelectric power plant (1) for supplying water to the marina...
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WO/2021/116422A1 |
The invention concerns a method for coupling a hydroelectric power plant in a turbine mode to a grid, in order to generate power for a grid, said hydroelectric power plant comprising at least a first hydroelectric unit (10) and a second ...
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WO/2021/113945A1 |
The present invention's application relates to the field of hydraulic engineering, in particular equipment for producing clean energy. It is presented by the association of a communicating vessels system that are in the same piezometric ...
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WO/2021/116812A1 |
A hydroelectric power generation system includes at least one penstock extending through the sea floor a predetermined depth into the ground below the sea floor, a turbine connected to an underground distal end of each of the at least on...
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WO/2021/112811A1 |
A low-cost anti-cavitation hydraulic turbine consists of a housing (1), a rotor (2) and blades (4). Two supply ducts (5) are disposed on the side surface of the housing (1), and a discharge pipe (6) is arranged in a radial portion of the...
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WO/2021/111469A1 |
A battery less water meter capable of working in underground conditions is provided. Instead of consists of an impeller immersed in the pipe in the direction of the flow. The impeller rotates as the fluid or gas flows through it. The imp...
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WO/2021/112760A1 |
A liquid flow generation apparatus (100) comprising a working chamber (105) and a corresponding drive region (106) for holding liquid from a liquid source (800); a conduit (120) and a check valve (110) fluidly coupled to the drive region...
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