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WO/2001/025629A1 |
The invention relates to a method for utilizing wind energy, wherein a fluid stream such as wind is conducted via an element that increases the stream velocity so that an under-pressure zone is created. The present invention is character...
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WO/2001/001017A1 |
A device for transforming the rotational movement of a working lever (3) defining a cone and having a rotational movement of its own, whereby the working lever (3) performs an intrinsic rotation of 180° for a 360° revolution of the con...
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WO/2000/056568A1 |
The present invention relates to a vehicle in the form of a volumetric body that comprises freight and passenger compartments, a plurality of electromotive plants and devices for accelerating the crew to a desired speed. This vehicle is ...
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WO/2000/056567A1 |
The present invention relates to a vehicle in the form of a volumetric body that comprises freight and passenger compartments, a plurality of electromotive plants and devices for accelerating the crew to a desired speed. This vehicle is ...
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WO/2000/045050A1 |
Concerning existing propeller-driven wind power plants, weight increases faster than effect, with increasing radii of the wings, thereby the costs, which has the result that plants are becoming unprofitable when they go beyond a certain ...
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WO/2000/045048A1 |
A flow energy converter comprises a plurality of vanes (14) mounted in a support means (10) for movement around a closed path (16) and each vane is deflectable to either side of the closed path by rotation about an axis (15) at an angle ...
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WO/2000/042319A1 |
This is the top view of the CEC system for use of Hurricanes which happen in Florida, Gulf Coast and Eastern Seaboard of U.S.A. 'Z' represents the blades of the turbine which catch the wind and spin the turbine 'A'. '2' is the metal surr...
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WO/2000/042326A1 |
A motion converting device capable of diversifying such as a reduction in size, increase in efficiency, reduction in cost, and others, wherein a supporting member is installed in a specified plane limited by a first direction and a secon...
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WO/2000/001945A1 |
Disclosed are the components and processes to produce and install a functional accumulated power plant to convert and store marine wind and wave energy mechanically offshore, transmission of the energy by high pressure fluid means throug...
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WO/1999/045268A1 |
A prime mover for extracting power from moving water is described comprising a body which is caused to oscillate in water by reversing the direction of thrust generated by at least one submerged control member e.g. a hydroplane or rotati...
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WO/1999/027764A2 |
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WO/1998/012433A1 |
Method and apparatus for converting the kinetic energy of a moving fluid stream into useful work by using a cascade of thin aero of hydro foils (2) positioned therein. The foils may be provided with at least two degrees of freedom and ad...
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WO/1998/007983A1 |
The improvements are applicable to the type of energy production eolian systems known as translation wind motors, based on the arrangement of a series of blades (1) having an optional profile and mounted on drive cables (2) forming a clo...
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WO/1997/037124A1 |
A wind power plant includes a boom (3), a vertical shaft (4) that supports the boom (3) midway between its ends for oscillatory slewing of the boom in the horizontal plane, a vertically-oriented blade (1, 2) at each end of the boom, wher...
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WO/1996/012105A1 |
A vertical-shaft windmill in which each blade, preferably in the shape of a sector of a circle, is attached to a horizontal shaft. Each blade and the horizontal shaft rotate or swing so that the blade moves to the other side of the verti...
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WO/1996/004479A1 |
The system comprises a series of blades (3), having a biconvex profile, connected transversally to the external portion of a flexible transmission line (2) formed by two or more elements, preferably steel cable , determining what can be ...
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WO/1995/012068A1 |
A control head (10) for a body (12) of a flow engine, said body capable of being put into a back-and-forth motion under the effect of a flow, sets the body (12), which is connected to a trolley (16) that is movable on a guide bed (14) tr...
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WO/1994/021913A1 |
A converter system (10) for a flow engine converts the motion of a body (12), which is arranged in a medium flow, into usable energy. The body (12) is coupled by a movable vehicle (30) to a retaining mechanism in the form of a stationary...
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WO/1990/008895A1 |
A machine for extracting useful work from low-speed winds includes a sail (28) pivotally mounted to an arm (22) for pivotal motion about a first axis (32), and a base (18) to which the arm (22) is pivotally mounted for pivotal motion abo...
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WO/1987/005079A1 |
The device comprises a plurality of conducting surfaces arranged on endless supports guided by means of return pulleys. Fixed conducting surfaces are arranged either in front or behind or between the forward moving conducting surfaces an...
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WO/1987/004496A1 |
The object of this invention is to provide a large scale but low cost windmill by maximizing wind-contact out of the least cost of materials with least cost of maintenance. This is attained by making the sails (100) as large as possible ...
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WO/1983/003452A1 |
An ocean thermal energy converter (OTEC) (52) generates electricity from warm surface water in dropping 100 meters or so, and then raises it back to the surface using its own thermal energy in a large floating vacuum chamber. The mist fl...
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WO/1983/000194A1 |
A vertical axis wind turbine has one or more blades (10) mounted in cantilever manner on a hub (12) on a short tower (14). The or each blade (10) is unsupported above the level of the hub (12) and extends freely upwards. The hub (12) may...
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WO/1982/000321A1 |
Most wind energy conversion systems require maintenance because of moving parts, such as turbine bearings, swivel bearings (for directing the turbine into a changeable wind) and at least one set of gears. The present invention largely el...
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WO/1981/001867A1 |
Method and apparatus for converting the kinetic energy of a moving fluid stream into useful work by means of a cascade of thin airfoils (181 - 1810) positioned therein. In one embodiment, the airfoils are provided with at least two degre...
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WO/1981/001443A1 |
A windscrew is a wind rotor characterised in that it rotates when the axis of the rotor is at right angles (fig. 1 and 2) to the wind and when it is located in the direction of the wind (fig. 3 and 4). It operates with unmodified efficie...
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JP7488584B2 |
It is about an omnidirectional generator apparatus, capable of translating the push of a fluid from any direction in the vertical, horizontal or diagonal plains to rotational movement on a unique axis. This rotational movement can be tra...
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JP2024514235A |
An energy harvesting device is disclosed. The energy harvesting device comprises a duct having an inlet opening and an outlet opening. The energy harvesting device further includes one or more foils disposed within the duct, with a leadi...
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JP7377975B2 |
Provided is a wind power system. The wind power system may comprise: a rail for providing a movement path in a horizontal direction; a moving body configured to slide and move along the movement path of the rail; a plurality of blades in...
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JP7348650B2 |
To increase a vibration amplitude of a vibration generation body to increase a power generation amount of a flow force vibration power generation device.A flow force vibration power generation device 1 comprises: a columnar vibration gen...
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JP2023533176A |
A vibrating device for generating electricity from a fluid flow (115), comprising at least one vibrating part (101) fixed to a reference plane and connected to the vibrating part (101) at a vibration axis (103). and at least one support ...
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JP7275799B2 |
To provide a novel system in place of a conventional method, in which, by generating power by utilizing aeolian vibration of an aerial wire, the novel system provides electric power to be used in various facilities provided in a steel to...
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JP7212325B2 |
To increase a power generation amount in daytime by using a solar panel in a pendulum type, and improve the shape of a swing plate to perform swing movement efficiently even with wind from any direction.A fluid power generator comprises:...
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JP2022168023A |
To provide renewable energy in general, and more specifically apparatuses and methods for extracting power from a fluid flow.An apparatus for extracting power includes a track and an airfoil coupled to the track. The track includes first...
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JP7138220B2 |
An apparatus for extracting power includes a track and an airfoil coupled to the track. The track includes first and second elongate sections, where the first elongate section is positioned above the second elongate section. The airfoil ...
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JP7110963B2 |
In a system of the disclosure, power generation devices installed at separate places include a kite-shaped flying object staying in the air, a generator installed on a ground and a tether operatively connecting the two to each other. The...
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JP7090846B2 |
To provide an electricity generator that is able to generate electricity when wind changes in strength and can be installed on a wall surface or fixed surface of an existing building.With a coil fixed to one side of a plate and a magnet ...
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JP2022053776A |
To suppress entangling of tethers with each other.A power generation device (100) comprises a first kite (21), a first tether (23) mooring the first kite, a second kite (22), a second tether (24) mooring the second kite, a power generato...
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JP2022023312A |
To provide a chain sprocket for power transmission that has required strength and is lightweight.As a chain sprocket for power transmission, plastic chain 3 and sprocket 4 reinforced with continuous long fibers are powerful means. A devi...
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JP2021195942A |
To provide a device capable of obtaining vibration from water flow or wind.A large number of strings that vibrate due to flow are arranged and put in a frame. The density of the strings is arranged so that about half of the flow is trans...
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JP6967526B2 |
An electrical power generator includes a first part having an elongated shape, a first end and a second end. The first part is arranged for attachment to a base in correspondence with the first end and configured to be located in a fluid...
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JP2021124113A |
To provide a wind power generator without rotating blades, which can solve problems such as low-frequency noise in wind power generations with rotating blades.A wind tunnel 1 comprises a square wind guide port 3 for introducing wind, a d...
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JP6921748B2 |
An apparatus for extracting power includes a track and an airfoil coupled to the track. The track includes first and second elongate sections, where the first elongate section is positioned above the second elongate section. The airfoil ...
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JP2021507161A |
The present invention relates to a power generation system. The power generation system (100) consists of a compressed air source (102), an airflow accelerator (104), multiple pressure control units, multiple power generation units consi...
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JP6829688B2 |
A system including at least one tunnel is configured for immersion in a moving mass. An energy collector is disposed in the at least one tunnel. The energy collector has at least an open state and a collapsed state where the collector in...
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JP6782276B2 |
The invention provides for a glider (10) for electric power production from wind (50), said glider comprising an airfoil (14), onboard steering means (20, 22, 24) for pitching, rolling and yawing the glider (10) when airborne, sensor mea...
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JP6771025B2 |
System for power generation from a flow of fluid, comprising a fluid driven device connected to a tether wherein the tether is coupled with a base station to convert energy from the flow of fluid into transportable energy, wherein the fl...
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JP2020528979A |
The present invention relates to the energy field, and more specifically to wind power plants that generate electrical energy by using airflow. The wind energy conversion module comprises a casing 9 configured to move along a guide belt ...
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JP2020528507A |
The present invention relates to the energy field, specifically to a device that converts wind energy into electricity. In the wind energy conversion method to electric energy, the kinetic energy of the wind energy conversion module 9 is...
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JP2020509278A |
The generator comprises a capture element (1) attached to the base (1000) corresponding to the first end (11). The trapping element is disposed in a fluid and, when the fluid moves, the trapping element is configured to generate a vortex...
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