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Matches 1 - 50 out of 22,155

Document Document Title
WO/2019/050466A1
A wave energy converter (100) comprises a buoy (110) and a means (150) for converting linear motion into rotary motion connected to an input shaft (12) of a power take-off device (130). By providing a screw actuator comprised in the mean...  
WO/2019/050289A1
The present invention relates to a floating-type power generation system comprising: a main body disposed above the surface of water in a state in which the main body is spaced apart from the surface of the water at a predetermined dista...  
WO/2019/049901A1
Provided is a hydraulic power generation device that is capable of increasing power generation efficiency by efficiently rotating a water turbine rotor even with a water flow of a low flow velocity. A plurality of water flow deflection p...  
WO/2019/049902A1
Provided is a rotor blade that is configured so as to gather a fluid from both a blade root and a blade end of a blade toward the center along the length direction of the blade, allow a large quantity of the fluid to pass toward the trai...  
WO/2019/048918A1
Centrifugal action-reaction turbine (11) comprising a support structure (13) integral with a stator (15), connecting means (17) for a rotor (19), a rotor (19) rotatably supported by said connecting means (17), and a feed system (21) for ...  
WO/2019/046877A1
Particular embodiments of the invention related to a wind turbine (10).The wind turbines (10) are vertical wind turbines for, for example, locating in build environments for commercial or residential use. The wind turbines (10) are parti...  
WO/2019/048053A1
An energy generating arrangement (100) powered by tidal water har been disclosed. The arrangement comprises a turbine unit (120) mounted in a fixed structure (110) which separates a first (130) and a second (140) water masses. The turbin...  
WO/2019/048865A1
A wave energy extractor such as a wave energy converter (WEC) or wave energy dissipater has a floating body with a channel at the fore or aft end, the channel having a sloping base, side walls, in some embodiments an end wall, and an ope...  
WO/2019/047194A1
A floating wind energy-wave energy combined power generation system based on a support-column-free semi-submersible oscillating water column type wave energy integrated power generation platform, comprising an offshore wind power device,...  
WO/2019/046348A1
An air-driven generator (10) for generating electric power from movement of a working fluid. Upper ends of buoyancy conduits (14A-14D) are in fluidic communication with an upper end of a gravitational distribution conduit (12), and a low...  
WO/2019/045131A1
The present invention relates to a tidal power generator and, more specifically, to a tidal power generator having a flow velocity increasing device driven by means of a tidal current, so as to increase the flow velocity of seawater flow...  
WO/2019/042925A1
The invention relates to a hydroelectric power plant, having a rotary piston engine (1), comprising an engine housing (2) having an engine compartment (4), an inlet opening and an outlet opening (6, 8), a first rotary piston (10), which ...  
WO/2019/045171A1
Disclosed is an energy regeneration system for a building, comprising: a pipe unit provided inside a building in the vertical direction thereof such that fluid flows therein; a first power production unit provided on a movement path of t...  
WO/2019/045343A1
The present invention relates to a system for increasing power generation efficiency by enabling rotational motion of a power generator shaft only in one direction when power generation is performed using the rotation of an output shaft ...  
WO/2019/043105A1
A subsea energy storage installation comprises a pumped-storage system having pumping and hydropower generation components for, selectively, converting electricity into potential energy by expelling water from within a tank into the surr...  
WO/2019/043477A1
Exemplary embodiments of the present disclosure are directed towards a device assembly for harvesting energy from ocean wave oscillation and method thereof. The device assembly includes at least one wave oscillation absorber column compr...  
WO/2019/043460A2
Power generation systems may be achieved by a variety of system, processes, and techniques. In one implementation, a power generation system may include a tank adapted to hold a liquid and a drive section submersed in the tank. The drive...  
WO/2019/040974A1
Provided is a fluid flow energy harvester (10) comprising a crankshaft (12) and at least one vane (14) pivoted into a sail portion (18) and a crank portion (20) on respective sides of the pivot (16). Both portions (18) and (20) are opera...  
WO/2019/044063A1
The purpose of the present invention is to provide a duct for a hydraulic power generation device, the duct being disposed in front of a rotor blade and having spiral grooves formed in an inner wall peripheral surface thereof for rotatin...  
WO/2019/045132A1
The present invention relates to a tidal power generator and, more specifically, to a tidal power generator using a hydraulic system driven by a tidal current so as to increase the flow velocity of seawater, thereby enabling power genera...  
WO/2019/045511A1
The present invention relates to a tidal generator and provides a tidal generator which uses the tidal energy of a rising tide and the tidal energy of a falling tide to raise a weight and use the weight to generate power. An openable and...  
WO/2019/043705A1
Irregular motion of waves creates a challenge to obtain energy efficiently. Heave type devices have been found to have high efficiencies, but they are limited to capturing energy along one or two directions of freedom. A new system and m...  
WO/2019/037774A1
Provided is a vertical U-shaped wave power generation device. Draw ropes (1, 2, 3, 4) of the device have one ends moored to the seabed and the other ends connected to a lower portion of a lower buoy (5). The lower buoy (5) is connected t...  
WO/2019/037773A1
Provided is a wave power generation device having a vertical pitchfork-shaped structure. Draw ropes (1, 2, 3, 4) of the device have one ends moored to the seabed and the other ends connected to a lower buoy (5). A rotary shaft (6) is ins...  
WO/2019/039995A1
A torque generating apparatus is disclosed, comprises an endless conveyor, a number of vessels 202 arranged to be connected to the endless conveyor, and a gas injection mechanism arranged at the base section 110 to inject a predetermined...  
WO/2019/037376A1
A method for reducing temperature of earth. An iron water diversion pipe (5) is seamlessly welded to an iron floating body (4); one end of each of a plurality of iron supports (10) is welded to an H-series right-angle gearbox (3), and th...  
WO/2019/037772A1
Provided is a lever-type wave power generation apparatus. Draw ropes of the apparatus have one ends moored to the seabed and the other ends connected to a lower buoy (5). The lower buoy (5) is connected to an upper buoy (9). A rotary sha...  
WO/2019/038150A1
The invention relates to a circuit assembly (110) for operating a piezohydraulic actuator (10), comprising: a first supply connection (E1) and a second supply connection (E2) for applying a supply voltage; a first output connection (A1) ...  
WO/2019/039471A1
Disclosed is a wave-activated power generation device which includes: a float capable of floating in the ocean; a rotating body which generates a rotational inertia mass effect; a power generator for generating power on the basis of the ...  
WO/2019/039782A1
A turbine for a small hydroelectric power generator and a small hydroelectric power generator comprising the turbine according to the present invention: can provide the increased torque of a turbine by forming acceleration inducing holes...  
WO/2019/035344A1
This power generation device (100) is provided with: first and second energy conversion units (10a, 10b); first and second pumps (20a, 20b); a first main accumulator (50a); a second main accumulator (50b) having a capacity smaller than a...  
WO/2019/035063A1
Electrical machines as provided herein can include a shaftless rotor with an annular array of permanent magnets; and a stator with an annular ferromagnetic core and a plurality of electromagnetic inductors about the ferromagnetic core. T...  
WO/2019/036216A1
A machine is provided for recycling a buoyant module, to convert potential energy of the module into kinetic energy, and to then restore potential energy for the module in another cycle. To do this, the machine requires a bi-level water ...  
WO/2019/033453A1
Disclosed are an omnidirectional fluid energy absorber and an accessory device thereof. The omnidirectional fluid energy absorber comprises a plurality of fluid inflow channels (1), a honeycomb structure is formed by an omnidirectional d...  
WO/2019/033177A1
Low cost Pumped Hydro Energy Storage (PHES) sites have already been exploited; new PHES sites now cost $2million per MW. A very large number of sites exist, not only on the coast but all over the land mass of all continents, that have an...  
WO/2019/034521A1
A hydraulic machine comprising a runner of Francis type, a head cover and a lower cover, whereas the crown comprises sealing means to seal the space between the crown and head cover against water from the high pressure side, whereas the ...  
WO/2019/035883A1
A closed system that captures energy derived from the head differential rather than open-water flows velocities while reducing potential environmental damages and costly maintenance due to bio-fouling. This energy density available in a ...  
WO/2019/032933A1
A hydrokinetic energy system for producing electricity is provided. The system represents a hydrokinetic water turbine having a tubular body and an internal turbine that resides within a central pipe of the turbine. The tubular body is h...  
WO/2019/030555A1
Many inventions have already been registered about power exploitation from the buoyancy force. Most of those inventions cannot overcome either hydrostatic limitations or mechanism flaws. Thus, the above-mentioned inventions cannot introd...  
WO/2019/028541A1
The present invention is related generally to electric energy production and storage and more particularly to three devices that can work independently or as a system for generating, storing and retrieving of significant volume of "green...  
WO/2019/032081A1
The present turbine is intended for use in the field of renewable energy. The turbine comprises a rotor (1) with a guide apparatus disposed thereon, said guide apparatus having inlets for a working fluid which are in the form of ducts (K...  
WO/2019/028492A1
There is an apparatus for the generation of electrical energy. The apparatus includes a buoyancy chamber (1') slidable along a drive path (8') within a body of liquid 29A between a lower gas charging position (11B') and a upper gas relea...  
WO/2019/030534A1
A drive assembly is provided suitable for aiding in the conversion of wave energy to useful energy. The drive assembly of the present invention is arranged to transfer wave energy to an energy converter, the drive assembly comprising,an ...  
WO/2019/031747A1
The present invention relates to a current power generating device for telescopically transferring a nacelle and a method for controlling the current power generating device, which determines, through a water level measurement, a suitabl...  
WO/2019/023834A1
An underwater linear power generation device having a partition chamber, comprising a main housing (1), a pull rod (2), a permanent magnet (4), a coil (3), a return spring (6) and a Y-shaped seal coil (5); the main housing comprises an o...  
WO/2019/023843A1
An inertia power generation device for a water surface floating body, comprising a housing (1), pendulums (2), a pendulum pivot shaft (3), a first stage gear (4), a second stage gear (6), a second stage gear shaft (7), a bearing I (5), a...  
WO/2019/027327A1
Floating wave power plant (100) comprises a shaft (102) provided with unidirectional rotary rotor blades (101). The shaft (102) is connected with a generator (233) arranged inside a generator housing (211) for the production of electric ...  
WO/2019/022691A1
An impeller of a centrifugal double intake fan. Use: the invention relates to the field of mechanical engineering and can be used in impellers of centrifugal double intake fans intended for use in dust-laden environments. Aim: to improve...  
WO/2019/021000A1
A tidal energy capturing system (10) comprising: a lower level storage reservoir (12) located at a first height above sea level (100); an upper level storage reservoir (14) located at a second greater height above sea level; a first turb...  
WO/2019/019601A1
Disclosed is a self-powered real-time monitoring system for fluid flushing of an underwater fixed foundation. Said system converts wind energy and wave energy into electrical energy by means of a wind energy capturing module (2) and a wa...  

Matches 1 - 50 out of 22,155