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Patent Searching and Data


Matches 1 - 50 out of 6,344

Document Document Title
WO/2021/068030A1
A method and apparatus of harnessing wave energy is described. A wave energy harnessing reservoir has an inlet side and an outlet side, the inlet side being arranged to open or close and the outlet side including a diffuser in which a tu...  
WO/2021/049789A1
The present invention relates to a wave power generation system using a wave amplification breakwater, the wave power generation system comprising: a wave amplification breakwater which extends in the left-right direction such that the f...  
WO/2021/035374A1
A water flow dividing technique for accelerating the increase of water flow and increasing water pressure for a sloping water channel of a water tower. From water flow dividing canals (4) on the left and right sides of a three-compartmen...  
WO/2021/038548A1
A combined sea wave photovoltaic power plant for generating electricity from sea waves and from the sun that includes a pontoon, a jib, a hydro-cylinder, a photovoltaic panel, and conversion system that is designed to be connected to the...  
WO/2021/028761A1
The present invention relates to a plant for artificial upwelling or for forced downwelling, as well as a variant thereof for the production of compressed air by water compression, actuated by an airlift pumping system that uses air at a...  
WO/2021/011909A1
A breaking waves power generator includes a platform, a plurality of water wheels rotatably mounted within the platform, and a deck plate mounted within the platform. The water wheels include a plurality of vanes, blades, paddles, or buc...  
WO/2021/003540A1
The present invention relates to a mechanical device for installation inside pipes of water supply systems, pipes of hydraulic installations of buildings of any type, rural properties and industrial hydraulic systems, with application in...  
WO/2020/215118A1
Methods, systems and apparatuses including systems and methods that can be used for operating a tidal turbine including in power generation and regeneration modes are disclosed. The tidal turbine can be positioned within or adjacent one ...  
WO/2020/207700A1
The invention relates to a hydroelectric power plant comprising a hydraulic machine, a headwater basin and a pressure pipeline, the hydraulic machine comprising at least one control element for controlling the hydraulic machine and at le...  
WO/2020/207701A1
The invention relates to a hydroelectric power plant (1) having a closing element (2) and an electric drive system (3), which is connected to the closing element, the drive system comprising a leadscrew (4), a transmission (5) and an ele...  
WO/2020/172599A1
Disclosed is an apparatus that floats at the surface of a body of water over which waves pass. Passing waves cause a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. T...  
WO/2020/161822A1
[Solution] This frame structure comprises a plurality of frame members for fixing, to a structure in a fluid flowing in a predetermined direction, a rotating device formed by including blades that are attached to a rotating shaft and tha...  
WO/2020/159449A1
The subject matter of the invention is an acceleration channel with momentum generators (1), and it solves the technical problem of increasing the efficiency of momentum generators (3) without any significant encroachment on the environm...  
WO/2020/139098A1
The invention relates to a pipeline hydroelectric power station. The pipeline hydroelectric power station comprises vertical loading wells with a device for collecting and removing silt, and multi-tiered pipelines having a movable vertic...  
WO/2020/139150A1
The invention relates to a device for converting wave energy and comprises a ramp having five guides, a working member configured to be capable of traveling along said ramp, and two conversion circuits, wherein the working member is conn...  
WO/2020/093037A3
A tuned mass damper (TMD) system in combination with a floating offshore wind turbine (FOWT) platform includes a barge type FOWT platform having a hull configured to have a wind turbine tower mounted thereon. A TMD system is mounted in t...  
WO/2020/097698A1
The present invention relates to a hydraulic turbine (1) for use in pressurized circuits, where there is a fluid flow, for controlling the flow rate and the pressure downstream of the installation position thereof. Said turbine (1) is no...  
WO/2020/087880A1
A semi-underground pumped-storage hydroelectric power station employing an open-pit mine, and a method for constructing the same. The power station comprises a high-level water storage region and a low-level water storage region (20), a ...  
WO/2020/087882A1
A full-underground pumped-storage power plant, comprising: a high-level water storage area (19) and a low-level water storage area (20); a water conveying channel (15) that communicates between the high-level water storage area (19) and ...  
WO/2020/087881A1
A subsidence-area-based semi-underground pumped storage power station, comprising: a high-level water storage area and a low-level water storage area (20), a water delivery channel (15), and a two-way generator set. The water delivery ch...  
WO/2020/087883A1
A cascade pumped storage power station, comprising: a high-level water storage area, a middle-level water storage area (19), and a lower-level water storage area (20); water conveying channels (15) being in communication with the high-le...  
WO/2020/080907A1
A floating breakwater having a wave power generation function, according to one embodiment of the present invention, comprises: an offshore structure corresponding to the floating breakwater; floating bodies which are provided at the off...  
WO/2020/070805A1
The purpose of the present invention is to provide a water flow facility that can absorb water pressure fluctuations without the provision of a joint well. A water flow facility 1 according to the present invention comprises: a water inl...  
WO/2020/062007A1
A parabolic breakwater utilizing wave energy, comprising a floating breakwater structure with an array of parabolic openings and an oscillating-buoy wave energy power generation system. The array of parabolic openings is provided on the ...  
WO/2020/055320A1
A power take-off device (100) for use in a wave energy converter having a prime mover (404), the power take-off device having a PTO frame (110). A direct drive motor (14) mounted to the PTO frame (110) and electrically connected to an en...  
WO/2020/046134A1
The invention is an improved ocean current turbine for converting water currents energy, comprising the following features: - a main frame (0) arranged to be immersed in a water current (F), - wherein the main frame (0) comprises - a bow...  
WO/2020/036095A1
[Problem] To provide a zigzag water channel for hydroelectric power generation, wherein a water channel is bent so as to zigzag in the horizontal direction such that a large number of hydroelectric power generators can be installed withi...  
WO/2020/025571A1
The invention relates to a water drawing and flow rate control device (1) for a hydraulic dam (2), formed so as to be positioned in part between a fixed part (202) and a mobile sealing part (201) of an emptying valve (20) of the dam, thi...  
WO/2020/014729A1
There is an apparatus for generating electrical power from water waves. The apparatus in a position of use includes a chamber (1) having an open lower end (2) for the entry and exit of water when submerged therein during pressure changes...  
WO/2019/244754A1
[Problem] The purpose of this invention is to provide a management and control system for a tidal power generation device that is provided with an openable gate partitioning the interior and the exterior of a bay and that generates power...  
WO/2019/234808A1
Provided is a water pump system comprising a water pump 6 on the bottom end of a water pump pipe 5 buried in the ground, wherein the pump lift is increased and the amount of water pumped is increased even when a vacuum pump is not used. ...  
WO/2019/234465A1
The invention relates to a device and a method for preventing floods in the event of a river carrying floodwater. At least one mainline is provided which leads from the region of the floodplain to a collection basin and has one or more p...  
WO/2019/221624A1
"Hydropower multiplier" means a method and device for using water pressure, obtained on the basis of a natural waterfall or in any other way, as an energy source, which this pressure, as the initial energy source, uses an unlimited numbe...  
WO/2019/207370A1
The present invention relates to a system for microinjection and metering of oxygen in order to increase the available oxygen in discharge waters of a hydroelectric plant, which comprises panels built using steel pipes for transporting t...  
WO/2019/200128A1
A portable hydropower module is provided for the generation of economical hydroelectric power at low-head sites, such as dams and weirs. More particularly, the portable hydropower modules are able to streamline the construction of power ...  
WO/2019/195433A1
A wave energy collection and conversion system that uses a compliant capture mechanism to enable the collection of wave energy over extensive distances without introducing damaging forces onto the collection structure. The system include...  
WO/2019/103634A3
The production of electricity from a cascading hydroelectric power plant is described as follows. Pylons (15) have been thrust into the river bed (5), on which are placed stripe foundations (14). Two interconnected reinforced concrete ca...  
WO/2019/180323A1
According to an aspect, there is provided an autonomous barge (100) for supplementing a first energy storage (206) of a moving vessel (204). The autonomous barge (100) comprises a second energy storage (102) configured to store energy; m...  
WO/2019/139347A3
The present invention relates to a nature-friendly power generating method for continuously producing electricity using a water-falling power generating unit configured to generate action of gravitational acceleration, and to a nature-fr...  
WO/2019/158680A1
The invention proposes a low energy production method for producing pure and highly concentrated carbon dioxide (C02) from a renewable lignocellulosic biomass feedstock comprising the steps of i) extracting lignin and hemicellulose by pu...  
WO/2019/160524A1
The invention relates to hydraulic engineering structures intended for protecting communities from floods by diverting flood waters from an area in which they are formed, bypassing an area of probable (dangerous) inundation, with prelimi...  
WO/2019/158500A1
The invention proposes a method and a power plant for on- demand producing electricity from Non-Fossil Power Sources and from a Renewable Lignocellulosic Biomass Feedstock, in a power plant using several electrical production facilities ...  
WO/2019/156260A1
The present invention relates to a multifunctional dam with a power generation function. More particularly, the present invention relates to a dam comprising: a dam which restricts and stores a flow of river water and does not block the ...  
WO/2019/148285A1
A vertical twin rotor water turbine apparatus and method for extracting energy from a flow of water is described herein. The described apparatus delivers favourable performance by virtue the operation of a novel configuration of a plural...  
WO/2019/139347A2
The present invention relates to a nature-friendly power generating method for continuously producing electricity using a water-falling power generating unit configured to generate action of gravitational acceleration, and to a nature-fr...  
WO/2019/125095A1
A vertical cylindrical metal tower with a diameter of 3.5 m and a height of approximately 35 m. The cylinder made from S355JO steel is provided with three tappings for the water intakes. The tower is provided with a set of ladders, walkw...  
WO/2019/117742A2
The invention relates to a locking device for the controlled locking and unlocking of authorized objects, meant to be used in particular within bicycle clamping and securing mechanisms of automatic systems, such as automatic bicycle rent...  
WO/2019/090804A1
Disclosed is a pendulum wave power generation device integrated into a floating breakwater. The pendulum wave power generation device comprises a floating breakwater (2), a buoyancy pendulum plate (6), a hydraulic power generation system...  
WO/2019/063156A1
The invention relates to a hydroelectric power plant comprising an upstream water basin, a downstream water basin, a waterway system which includes a plurality of waterway sections and connects the upstream water basin to the downstream ...  
WO/2018/038701A9
Methods and apparatus for a modular hydrokinetic turbine. An apparatus includes modular vertically floating units tethered to shore with a generator residing above water and vertically oriented blades submerged in water to convert a late...  

Matches 1 - 50 out of 6,344