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WO/2003/060242A1 |
The invention relates to an underground pipe and cable gallery which can be inspected. The inventive gallery comprises two vertical, opposing trays (1). One of the aforementioned trays (1) is equipped with support trays (2) which are int...
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WO/2003/054387A1 |
The levels (P) of dams (1) are, as a rule, regulated by opening or closing weir systems. Dams (1) of this type can also be used for generating electric energy by integrating a multitude of turbine generator units (2) or turbine generator...
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WO/2003/050411A1 |
There has been proposed a constuction intervention at hydro-electric power plant, which would capture water above the present lake water level and lead it through pipeline or duct through the inlet to other turbine elements such as press...
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WO/2003/033824A1 |
A method and device (10) for extracting useful energy from wave motion (12) in a body of water (11). The method involves providing the energy extraction device (10) having an energy collection surface (23) responsive to variations in hyd...
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WO/2003/012288A1 |
A pulsation type water raising and falling equipment, wherein, in a water tube system called the a water raising and falling machine, a tube is vertically installed in a lower water tank, the upper part of the tube forms a water storage ...
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WO/2002/099202A1 |
A hydroelectric power generating method wherein during hydroelectric power generation, water is fed to the water wheel of an electric power station through a conduit pipe (1a) for electric power generation and the earth and sand and orga...
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WO/2002/092919A1 |
The invention relates to a system for generating electricity using sea swell. The inventive system comprises a resonance chamber having a water inlet and a water outlet in the form of two parallel horizontal conduits which project out to...
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WO/2002/088472A1 |
Method for hydraulic removal of sediment from a sand trap, said sediment constituting particles varying in size from rocks to fine-grain particles, where the sediment is sucked into a substantially horizontally or inclined slotted pipe (...
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WO/2002/070826A1 |
An apparatus for separating animated objects, such as fish, between a non-diverted (4) and diverted (5) fluid stream. The apparatus includes a screen or similar selective pass through device that is arranged in a manner that is generally...
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WO/2002/061273A1 |
The invention relates to a system (1) designed to generate energy with the aid of, primarily, sea currents, comprising a rotation body (4) having a front inlet side (2) and a rear outlet side (3), and at least one transfer member (6) con...
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WO/2002/044557A1 |
The invention relates to a hydraulic power plant (1) comprising an anchored floating body (2), provided with at least one flow channel (3, 7, 8) with at least one converting device (4), wherein mechanical energy is converted into hydraul...
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WO/2002/038951A1 |
A wave energy converter grouped into a primary converter for converting a wave energy into the other mechanical energy, wherein a frame body for partitioning an area of sea is disposed around movable objects and guide side plates (4) are...
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WO/2001/090574A1 |
The invention relates to a device for exploiting hydropower, comprising a shaft (16), which forms a tow section, and several impact elements (20) that are arranged in said shaft and fixed to circulatory retaining means (22). The aim of t...
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WO/2001/073208A1 |
A description is given of a hydroelectric power plant (1) capable of exploiting a given difference in level (H) between the water intake point (A) and the point (B) at which the potential energy of the water is converted to mechanical en...
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WO/2001/055560A2 |
The inventive plant building comprises a purification chamber (6) and a pump chamber (4) with a pump (14) for cooling water. Said pump chamber directly adjoins the purification chamber (6) and the geometry of the pump chamber is such tha...
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WO/2001/020163A1 |
A floating modular system for the protection of harbours and the transformation of energy, consisting of: a plurality of modules (1), being realized in a metal and/or reinforced marine concrete box-structure, comprising internal air spac...
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WO/2000/056986A1 |
An apparatus and method for extracting liquid from a body of liquid are disclosed. The apparatus includes a conduit terminator operable to terminate a conduit, the conduit terminator having an inlet opening to facilitate conduction of li...
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WO/2000/044993A1 |
The invention relates to a liquid circulation duct comprising a pipe (1) that is fixed to a solid, rigid support (B) in order to form a base that rests on a standing surface (C). The pipe (A) is made of a thin resistant wall that forms a...
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WO/2000/040836A1 |
Method for reducing frictional loss in unlined tunnels or other tunnels with a rough wall surface and/or irregular cross section. A flexible or rigid pipe with a cross section similar to or somewhat less than the largest circularly open ...
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WO/2000/032931A1 |
Plant for exploiting the tidal energy of the sea, comprised of a vertically arranged pump which is anchored to the sea bottom and is actuated by means of a float connected to the piston, and special antireturn valves intended to impulse ...
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WO/2000/028151A1 |
A caisson (1) provided with at least one air pocket (5), and at least one vertical duct or conduit (2) extending transversally along the whole portion of the caisson (1) where the respective air pocket (5) is present. The lower portion o...
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WO/2000/019022A1 |
Improved flow modifier assembly (40, 60) for a water intake system having a cylindrical intake screen (44, 64) prevents damage to fish and other aquatic organisms by providing a controlled velocity profile which causes the average flow v...
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WO/2000/017456A1 |
The invention concerns a tubular structure comprising, in cross-section transverse to its axis (O), at least three prefabricated elements, respectively two side wall elements (32, 32') resting on the setting surface and at least one uppe...
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WO/2000/009815A1 |
An energy harnessing apparatus (1) comprising first and second containers (2a, 2b) connected together by connecting means (17), the first container (2a) having first outlet means (5a) for draining matter from the first container (2a) and...
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WO/2000/009816A1 |
In continuation to the prior application PCT/JP98/02196 (Natural Lake Having Discharge Ports to Rivers), an underground infiltration discharge type natural lake not having discharge ports to rivers but having discharge tunnels excavated ...
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WO/2000/006843A1 |
The invention relates to a method for laying data cables (15) in a liner during the renovation of pipe ducts (1). The data cables (15) are protected by the liner on all sides. According to said method the data cables (15) can be laid at ...
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WO/1999/067531A1 |
A hydroelectric power apparatus which is attached to water-supply and sewerage pipes and various fluid pipes indoors and outdoors, and comprises a highly efficient pipelike power generating apparatus (10), a rotating fan (20), a mount (3...
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WO/1999/060216A1 |
Hydraulic power generation conducted by boring a vertical hole at the bottom of a lake, allowing water to flow through the hole, and generating power by using this flowing water. Rivers of which the source is a lake are dammed up at thei...
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WO/1999/039098A1 |
The invention relates to a water turbine arrangement comprising a generator (2) enclosed in a cylindrical casing (7) and a turbine (1) arranged directly on a generator shaft (5), outside the casing (7), the casing (7) being arranged to a...
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WO/1999/035339A1 |
The invention relates to a method and a device for preparing sea or ocean water from great depths beneath the sea level, wherein sea or ocean water is preferably used as cooling and/or heating medium in different processes. According to ...
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WO/1999/027251A1 |
The invention relates to a device for producing electrical energy from hydrodynamic power, comprising a water power station with a turbine (4) and a generator (5), the entire water power station or at least its turbine (4) and generator ...
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WO/1999/011926A1 |
The invention relates to a device (1) for energy conversion from wave movement in water, comprising: a frame (2) connectable to the bottom, a container (3) for containing a gas, which container is formed by at least two parts, a first pa...
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WO/1999/009297A1 |
A process for constructing an intake pipe comprising building a starting shaft (10), breaking the wall of the starting shaft (10), and starting a shield driver toward the seaside to construct a shield tunnel (12), wherein the tunnel (12)...
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WO/1998/059116A1 |
The invention relates to a method for providing lake and/or sea water, said lake and/or sea water being used preferably as a cooling or heating medium for various processes. According to the invention, the lake and/or sea water is pumped...
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WO/1998/021420A1 |
Apparatus for the distribution of water or other liquids, comprising a tank (1) with at least one inlet (2) and two or more outlets (6, 7) adapted to deliver equal amounts of liquid. A float body (3) is adapted to float on a water reserv...
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WO/1998/021473A1 |
A parabolic or part parabolic focusing device located in the ocean comprises wall sections (5) which converge a parallel ocean wavefront to foci (9, 10) located in an air compression chamber (11) located between the wall sections (5), th...
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WO/1997/049871A1 |
The invention discloses a draining wall consisting of a plurality of elementary panels (P) filled with a filtering material (10), characterised in that the said panels are separated from one another by intermediate elements (J) and in th...
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WO/1997/028367A1 |
A hydroelectric power generation plant comprises a turbine (4), a penstock (8) upstream of the turbine and a tailrace (10) downstream of the turbine. The penstock (8) and/or the tailrace (10) comprise(s) a tubular portion curving in thre...
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WO/1996/000867A1 |
A pipe for circulating pressurized fluid comprises a tubular enclosure (1) with a thin wall (1) secured to a rigid support slab (2) of a moulded material. According to the invention, the upper part (12) of the enclosure (1) consists of, ...
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WO/1995/023895A1 |
The artificial reef of the present invention is constructed from a plurality of structural units each of which is a tetrahedron-shaped sandbag, which are arranged in a talus pile. The reefs are formed by dropping the structural units in ...
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WO/1995/023923A1 |
A method of harnessing the energy of moving water which comprises at least one lock (8) containing residual water to float a pontoon (3); the lock (8) being fitted with a controlled inlet gate at one end to allow entry of water and a con...
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WO/1995/023259A1 |
A sea water pipe system is disclosed which comprises a sea pipe (1) connected to an intake pipe (2) at the onshore end and with inlet pipes (3) at the offshore end. A grille (13) is preferably secured over each inlet pipe (3) to prevent ...
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WO/1995/017555A1 |
Installation for extracting energy from a liquid in which swell occurs relative to a bottom, comprising a first and second container (37, 38) for placing at a determined horizontal first mutual distance at least partially under the surfa...
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WO/1995/004194A1 |
In the method according to the invention a network of water pipes (8) is arranged between at least two preselected locations where ground water can be pumped up in a manner such that each location of an ith(2 i N) layer is connected to a...
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WO/1993/013344A1 |
The invention relates to an elongated housing (1) intended to withstand an internal pressure which may exceed 10 bars and forming a tubular sealed space (A) having a truncated cross-section, comprising a lower portion formed of a rigid c...
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WO/1992/019812A1 |
A gravitational window shutter in a water gate for a system for harnessing power from current flow or tidal movement in a body of water is disclosed. The gate (102) is formed with a door (104) for closing the port (103) through which the...
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WO/1992/018704A2 |
In a method and apparatus for anchoring a structure such as a wave collector (213), sediment (237) is pumped from the sea bed (215) into the base (221) of the structure. Hydraulic tuning of a wave energy converter collector, an advantage...
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WO/1991/016981A1 |
A method and a means of removing sedimented particles in a fluid stream in a settlement basin (2). In the bottom of the settlement basin (2) there is a sluice (1) which may have a sluice gate (6). At the bottom of the settlement basin th...
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WO/1989/008793A1 |
The power plant employs fluid flow passages (18, 30, 82) between the nipples (38) and the pressure and tailwater collection chambers (10, 28), which are restricted as to flow, and there are valve means (66) in one passage employed to ena...
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WO/1988/001321A1 |
Water vessels, n in number, are stepwise provided in a flowing river, lake or swamp. The water vessel of a subsequent stage is located at a position higher than that of a preceding stage by a predetermined height. Water is introduced int...
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