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Matches 1 - 50 out of 21,694

Document Document Title
WO/2018/070573A1
Provided in one embodiment of the present invention is a hydropower generation apparatus comprising: a water turbine (200) having blades (220) having variable pitch angles (PAs); a blade control means (300) for varying the PAs of the bla...  
WO/2018/068936A1
The present invention relates to a roller-shaped runner (20) of a cross-flow turbine (1) through which a flow can pass radially from outside to inside and then radially from inside to outside. The runner (20) has a shaft (22) with at lea...  
WO/2018/068849A1
Rotary valve device (10, 44) for sequentially connecting a first line (34, 64) to a plurality of second lines (36, 66), the rotary valve device (10, 44) comprising: a stationary structure (12, 46) comprising a first port (18, 48) for con...  
WO/2018/069925A1
A hydraulic-pneumatic energy storage and recovery system, which comprises first and second sealed containers within each of which a volume of liquid is introducible and from which the introduced liquid is pneumatically propellable; a tur...  
WO/2018/070946A2
The invention relates to an electric power generation system using a domestic water turbine, known as "KARFOUDA". The system of the invention essentially comprises: a cylindrical or ring-shaped basin having a flat or conical base; multip...  
WO/2018/067970A1
Systems and methods related to floating powerhouse for hydropower turbine systems are presented. A turbine system may be coupled to floating powerhouse that can include a floating platform. A pressurized water delivery system can be coup...  
WO/2018/066915A1
The present invention comprises a hydroelectric power generating device in which a splash plate is rotated while actively receiving water power and while floating on water, through a splash plate belt connected to a rope, using water pow...  
WO/2018/065453A1
The invention relates to a method for preventing the condensation of steam on a surface and to a device for installing into a moist area for preventing the condensation of steam on a surface. The aim of the invention is to provide a meth...  
WO/2018/067957A1
A pumped storage hydropower apparatus includes a housing (210) and at least one pump (214) disposed within the housing (210). The at least one pump (214) is configured to operate in a first mode of operation or a second mode of operation...  
WO/2018/064785A1
This invention lies within the scope of systems for converting the energy of a watercourse (artificial or natural) into mechanical and/or electric energy. The technical problems overcome by this invention are varied and are the main reas...  
WO/2018/067076A1
The invention seeks to provide a high efficiency, low cost, environmentally friendly hydro turbine (200 ) designed especially, though not exclusively, for low head hydro power. The invention employs multiple diversion pipes (100) that ar...  
WO/2018/053602A1
A wave energy converter is disclosed, comprising: a body configured to float in water and roll and/or pitch in response to wave action; a pendulum supported by the body and configured to swing in response to rolling and/or pitching of th...  
WO/2018/055412A1
Methods, system and devices (10) for capturing wave energy are disclosed. A submersible wave energy capture device (10) comprises a tube (12) and a plurality of one-way valves (21), (31, 41). The tube (12) has a seawater inlet (11) at an...  
WO/2018/056853A1
The present invention relates to an energy conversion system that absorbs energy associated to a pressure difference between a first space (A) and a second space (B) that successively changes sign. The working fluid flow between the two ...  
WO/2018/056163A1
A hydroelectric power generation system is provided with a control unit (20) that controls a power supply circuit (C) such that the following are carried out: a normal operation in which power is supplied from an electrical grid (5) to p...  
WO/2018/057832A1
A system for converting water turbulence into electricity. The system comprises a plurality of buoys; each buoy being connected to at least one adjacent buoy by at least two generators; each of the buoys being connected to at least one a...  
WO/2018/055348A1
The invention concerns a water energy apparatus (1) for extracting electrical power from the vertical movement of water, the apparatus comprising a housing (5), a rotor assembly (6) within the housing (5) comprising a central rotor shaft...  
WO/2018/051437A1
Provided is a power generation system that is a water channel through which seawater emitted from a condenser is introduced to the sea, the power generation system comprising: a discharge channel that includes a standard part and a wide ...  
WO/2018/053553A1
A system for parasitic power generation and control of a load-handler configured to be coupled to a lift truck, with a parasitic energy convertor mounted on the load-handler and coupled via a hydraulic feed line to a hydraulic pump on th...  
WO/2018/050132A1
A precession fluid turbine comprising a fluid reservoir (8) with an inlet fluid opening (3) and with an outlet fluid opening (4). In the fluid reservoir (8), between the inlet fluid opening (3) and the outlet fluid opening (4), a stator ...  
WO/2018/050604A1
A wave energy conversion system. The system has a float (101) and a power generation drum (102) with a drum housing rotationally attached to the float (101) by a shaft attachment. The shaft attachment allows an at least partially rotatio...  
WO/2018/051329A1
A system for producing compressed air from ocean waves, including a base for anchoring the system on an ocean floor, two or more columns extending perpendicularly upward from the base to above a surface of the ocean, a platform at an upp...  
WO/2018/047926A1
Provided is a hydraulic turbine suspending device which facilitates the positioning of a hydroelectric generator in a waterway, and which is easy to work on. This hydraulic turbine suspending device is a support that suspends a hydraulic...  
WO/2018/047927A1
Provided is a hydraulic turbine device installation method and device with which it is possible to rapidly and easily mount a hydraulic turbine device to a floor plate provided above a waterway. Also provided is a carrier for transportin...  
WO/2018/048115A1
The present invention relates to a construction method and an operating method for a pumped-storage hydroelectricity generation system using seawater. The objective of the present invention is to: construct an upper artificial reservoir ...  
WO/2018/042447A1
With growth of population and advance of the civilization with urbanisation & industrialization, the need of energy is going on multiplying. Fossil fuel based power is polluting the environment and source of supply of fuel is also on dec...  
WO/2018/042340A1
The invention provides a system to generate alternate energy. More specifically, it provides for generation of electricity using the principle of buoyancy. The system consists of an outer container on which coils are configured and an in...  
WO/2018/040094A1
A rotary inertial impeller comprises a shaft (1) and a blade. An inner end of the blade is connected to the shaft (1). The blade is an ordinary blade or an inertial blade (7). A rotation radius R0 of the inertial blade (7) is greater tha...  
WO/2018/045368A1
A wave energy converter (10) is capable of floating on a body of water (BW), moving in response to waves (W) occurring in the body of water (BW), and includes a hull (12) connected to a heave plate (14). The wave energy converter (10) is...  
WO/2018/044401A1
The invention is a solution to the urgent problem of global warming using sodium from the oceans to remove excess carbon dioxide in the atmosphere. The energy for this is produced from marine solar energy farms situated on the oceans. Th...  
WO/2018/039982A1
Disclosed are a buoyancy electricity generation device and modular electricity generation equipment, the buoyancy electricity generation device (100) comprising a drive module (1) and an electricity generation module (2). The driving mod...  
WO/2018/039409A1
A platform for extracting energy from flowing fluid is provided. The platform includes: first and second lateral side members, the first lateral side member having an internal cavity; a fluid turbine disposed between and below the latera...  
WO/2018/038480A1
A water turbine of the present invention comprises: a rotary shaft having buoyancy; and a blade formed in a spiral shape so as to have pitches at predetermined intervals along the outer peripheral surface of the rotary shaft. Therefore, ...  
WO/2018/035953A1
A device for adding or replacing impulse turbine outer nozzle opening and an application method of the same, the nozzle opening device adopts a single nozzle opening with two different internal taper angles or a fixed internal nozzle ope...  
WO/2018/038701A1
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...  
WO/2018/039655A1
The present invention is a reversible pump-turbine installation position in a vertical shaft instead of in a conventional underground powerhouse or deep concrete powerhouse. The required plant cavitation coefficient may be achieved by si...  
WO/2018/036655A1
The invention relates to a wave power plant (1) for converting energy of sea waves (26) into usable energy, which wave power plant has at least one crossmember (2), on which at least one extension arm (8, 12) for at least one pontoon (3)...  
WO/2018/039128A1
A wave energy converter utilizes a flotation module that rises and falls with the passage of waves, a submerged tube containing a constriction which multiplies the speed of the water passing therethrough, a turbine (or other hydrokinetic...  
WO/2018/039128A9
A wave energy converter utilizes a flotation module that rises and falls with the passage of waves, a submerged tube containing a constriction which multiplies the speed of the water passing therethrough, a turbine (or other hydrokinetic...  
WO/2018/035713A1
Disclosed are a power generation device by converting gravitational potential energy and kinetic energy and method thereof, the power generation device comprising: a wiggler (10), a driver (20), a power generation unit (30) and an energy...  
WO/2018/033783A1
Hydroelectric power generation system by standing water that consists of a turbine and a generator and Two-stage water tank and vibrating mechanisms of power generation and transmission system of pumps, pipes and nozzles and the power of...  
WO/2018/034624A1
Pumped storage turbine hydroelectric generating composes of vertical water base station or vertical water base station with inside hollow space for installing with side spreading out tube which connect back opened end of side spreading o...  
WO/2018/034146A1
[Problem] The density of sea water is about 1,000 times of that of air, and 1 m per second of ocean current corresponds to 10 m per second of wind speed in terms of energy. However, sea areas having high-speed ocean currents suitable for...  
WO/2018/033930A1
The system (100) includes one or more pumps (102), one or more impeller (106), one or more generator (110), one or more voltage regulator (114), one or more charge controller (116) and one or more battery (118). The present invention use...  
WO/2018/032124A1
A method for using a natural fluid for generating constant power. The method comprises using a source of energy from river flow or a source of energy from air to drive an axial rotation of a water turbine blade or a wind turbine blade, a...  
WO/2018/028584A1
A wave-activated power generator provided with a rope-control hydraulic cylinder comprises a wave energy collection and conversion system, a rope control device, and a gravity anchor (17). The wave energy collection and conversion system...  
WO/2018/028859A1
The invention relates to a Francis turbine, comprising a waterway, an impeller positioned in said waterway, a distributor arranged in said waterway, and an additional element for adjusting the flow of water through the turbine, said elem...  
WO/2018/030964A1
High pressure water station for electricity generating composes of lower base platform being installation base and connected with lower part of vertical tunnel. The top of vertical tunnel is supported to be installed with upper water res...  
WO/2018/032005A1
A mechanical structure used for extracting energy from oscillating marine waves is submitted. The apparatus comprises a plurality of buoyant tanks connected by a plurality of horizontal outriggers through a hinge assembly to a vertical f...  
WO/2018/028942A1
The invention relates to a hydraulic system with a hydraulic spring. Said spring is formed by a cylinder chamber of a hydraulic cylinder to which at least one piston accumulator is connected. At least one adjusting means for adjusting a ...  

Matches 1 - 50 out of 21,694