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WO/2011/160820 |
The invention relates to a fluid barrage, for example a shut-off system (1) for a fluid (3), in particular a waterway lock installation or a retaining wall or the like, comprising a shut-off member (2), to which a fluid pressure is appli...
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WO/2011/149225 |
The present invention relates to a multifunctional movable-weir sluice gate system for purifying contaminated river water, and more specifically is devised in such a way that contaminated river water of heavy specific gravity can be sele...
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WO/2011/134579 |
The invention relates to a screening belt machine (1) comprising a section (10) that acts as a screen and is disposed transversely to the flow direction (4) of a liquid flow (5). The endless screening belt (6) is designed as an endless s...
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WO/2011/133913 |
Energy collection systems, such as solar, wind turbine, and hydro power generation systems, are useful for many applications. An embodiment of a dam according to an embodiment of the present invention includes precast segments configured...
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WO/2011/133913 |
Energy collection systems, such as solar, wind turbine, and hydro power generation systems, are useful for many applications. An embodiment of a dam according to an embodiment of the present invention includes precast segments configured...
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WO/2011/131886 |
The invention relates to a fusegate (1, 1A-1E) for a hydraulic construction, characterised in that said fusegate includes: a transverse wall (12) that is produced in a substantially sealed manner with a base (11), and means for limiting ...
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WO/2011/099845 |
The invention relates to a method for moving fish in a fish sparing way from a first point, situated relatively higher, to a second point situated relatively lower, wherein water containing the fish is introduced near the higher situated...
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WO/2011/026188 |
A silt barrier comprises a plurality of filter elements, each filter element, in use, having a height direction, a width direction and a length direction and being adapted to allow the passage of water therethrough in the width direction...
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WO/2011/012078 |
An aeration swirling flow vertical well with double volute chambers comprises an upper volute chamber(2) and a first shrinking section (3) beneath the upper volute chamber (2), a venting passage (4) provided outside the upper volute cham...
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WO/2011/010836 |
The present invention relates to a vertical current-switching device for water-treatment channels such as artificial wetlands, reaction tanks which take the form of water-treatment channels, water channels which provide connections betwe...
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WO/2011/010836 |
The present invention relates to a vertical current-switching device for water-treatment channels such as artificial wetlands, reaction tanks which take the form of water-treatment channels, water channels which provide connections betwe...
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WO/2011/005064 |
The present invention is a multifunctional, multipurpose technique for recovering the quality of water as well as diversity of green organisms, self-cleaning ability and geographical weather by creating an environment where animals and p...
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WO/2011/005064 |
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WO/2010/124678 |
A cleaning device for a sewage screen is described. Said cleaning device comprises a suction head (3) which is guided across the screening surface of the sewage screen (2) by means of an adjusting mechanism (5). The suction head (3) is c...
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WO/2010/115423 |
The aim of the invention is to provide a fish migration aid having great water depth at all stages of the change in level, allowing migration of fish as well as macrozoobenthos, while simultaneously being able to provide devices for elec...
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WO/2010/115423 |
The aim of the invention is to provide a fish migration aid having great water depth at all stages of the change in level, allowing migration of fish as well as macrozoobenthos, while simultaneously being able to provide devices for elec...
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WO/2010/100291 |
The aim of the invention is mainly to provide covers for pools or reservoirs that enable the arrangement of photovoltaic panels and further to prevent the evaporation of water and the proliferation of algae and microorganisms inside said...
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WO/2010/090297 |
An opening-closing device (1) comprising: a gate (10) which can receive the flow of sewage water (W) and rotate about a gate rotation shaft (26), which is a hollow shaft, to fall over in the downstream direction of the flow; two fall-ove...
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WO/2010/090293 |
An opening-closing device (1) provided with a gate (10) which can receive the flow of sewage water (W) while in a standing position and fall over in the downstream direction of the flow, and also with a first spring (52a) which generates...
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WO/2010/090296 |
An opening-closing device (1) comprising: a gate (10) which can receive the flow of sewage water (W) and fall over in the downstream direction of the flow; a fall-over prevention section (20b) which support the gate (10) to prevent the g...
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WO/2010/082068 |
A gate (10) for controlling the flow of tidal waters comprises a flow housing (12) defining at least one flow aperture (17), a gate (14) mounted about a pivotal axis and movable across the face of the flow aperture (17) for interrupting ...
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WO/2010/031166 |
This invention relates to a novel water ballasted wave attenuator that can be used to diminish or eliminate the impact of waves on shorelines or objects located in or on water bodies. A water ballasted wave attenuator comprising: (a) a h...
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WO/2010/015848 |
An unpowered device for providing an aquatic wildlife ladder for giving passage upstream and downstream for animals and fish. An example comprises an upright or substantially vertically mounted housing containing one or more substantiall...
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WO/2010/008304 |
A framework for retaining particulate to a work surface inclined with respect to horizontal, the framework including: two sidewalls having first and second opposing edges, the second edge configured to rest on the work surface; a connect...
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WO/2009/132367 |
Rake (9) for a screen system (1) for cleaning a bar screen (5), comprising a toothed strip (22) held between two side parts (13) adapted to couple to at least one linear drive element (12), wherein the toothed strip (22) is mounted on a ...
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WO/2009/123375 |
The present invention is to provide a suspended matter blocking fence for an ocean power system to prevent suspended matters in a sea side and a lake side from flowing into turbine generators and sluice structures so as to protect facili...
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WO/2009/115078 |
The invention relates to a rake cleaning device (1) for a mechanical water cleaning device (2), comprising one or more units (3) for cleaning one or more rakes (4) of the mechanical water cleaning device (2), wherein the rake cleaning de...
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WO/2009/115078 |
The invention relates to a rake cleaning device (1) for a mechanical water cleaning device (2), comprising one or more units (3) for cleaning one or more rakes (4) of the mechanical water cleaning device (2), wherein the rake cleaning de...
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WO/2009/090340 |
The invention relates to a fusible shutter for a hydraulic construction such as a weir, a spillway on a dam or a safety embankment, that comprises a solid member (19) provided on the crest of the construction and maintained thereon by gr...
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WO/2009/050342 |
The invention relates to a fusegate for a hydraulic construction such as a river sill or a spillway on a weir or on a protective dyke, comprising a massive element (1) arranged on the crest of the construction and held thereon by gravity...
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WO/2009/024628 |
The invention relates to a drain rehabilitation system using pressurised water. The invention is formed by a steel platform having the following elements solidly connected thereto, namely: an electric motor having a drive shaft coupled t...
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WO/2009/015881 |
In a screening grid (1) on an overflow spillway (21) of a rainwater relief system (20), comprising grid bars (2) extending transversely to the overflow spillway (21) and scrapers (4) engaging in comb-like fashion in the grid bars (2), ac...
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WO/2008/142443 |
Known sluice gates (1) are particularly prone to catch or trap debris, particularly in waste water sewerage systems. The trapped debris interferes with the operation of the sluice gate (1) by forming blockages, restricting movement and c...
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WO/2008/122377 |
The invention relates a method for transporting sediments in dammed bodies of water, especially in hydraulic power plants, said sediments being deposited because there are no erosion processes as a result of the absence of a current. Acc...
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WO/2008/094673 |
A levee apparatus and system for impeding and controlling the flow of fluids, primarily the flow of water as experienced in a flood or storm surge consisting of a light weight concrete structure with reinforcing steel rebar depending on ...
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WO/2008/068872 |
[PROBLEMS] Even clean sewage water contaminates a clean river once it is discharged into the river. To solve this problem, it is intended to highly purify discharged sewage water with an apparatus for highly purifying sewage water with t...
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WO/2007/147254 |
A system for controllably adjusting spent water levels in the tailrace pool area of a hydroelectric power-generating dam installed into a waterway. The system comprises: (a) a controllably adjustable weir device installed into a downstre...
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WO/2007/069875 |
The inventive fish-way for sturgeons provided with sealed trays and using drawdowns of membrane hydraulic units respect all conditions requires for passage of sturgeon fish in terms of biological and physical capacities during spawning. ...
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WO/2007/035463 |
A fish passage system is provided that includes a first weir and a second weir upstream of the first weir. The first and second weirs are each moveable between a deflated condition and an inflated condition. The fish passage system furth...
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WO/2007/035463 |
A fish passage system is provided that includes a first weir and a second weir upstream of the first weir. The first and second weirs are each moveable between a deflated condition and an inflated condition. The fish passage system furth...
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WO/2007/032616 |
The sludge treatment system is comprised of a dam passage penetrated through a dam (D); an induction pipe (11) for discharging a sediment retained by the dam (D) and having an inlet (11 a) toward the floor of the dam (D) and an outlet co...
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WO/2007/028207 |
A fitting for controlling the rate of flow of liquid in a conduit, including: a body having one or more openings formed through said body, such that, when said liquid defines a level in said conduit, at least one of said openings is at l...
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WO/2007/011273 |
The invention relates to a fish migration device (1) for a road culvert (2), comprising a movable part (3) which in a first position (11) retains an amount of water (4) and in a second position (12) retains less water. The part (3) lets ...
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WO/2007/011274 |
The invention relates to a device for fish migration from a low-lying point, for instance a watercourse (2), to a high-lying point, for instance a road culvert (3). The device provides a closed waterway between the lower point (2) and th...
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WO/2006/107984 |
A collector for removing sediment from a waterway. The collector has a housing (24) with an opening (38) and an internal cavity (44) for receiving particles. Means for adjusting the type of sediment is provided. An inlet (120) communicat...
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WO/2006/093214 |
A transportation system and a transportation method. The transportation system comprises a siphon tube (S) sucking out dredged sediment (1) in a large capacity water storage pond (D) such as a dam together with water by a siphon action a...
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WO/2006/071010 |
The present invention relates to a fishway block, capable of allowing even fish having poor swimming ability to easily migrate upstream and downstream by reducing the speed of water flow. The fishway block comprises a bottom panel (13), ...
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WO/2005/124032 |
The invention relates to a device for guiding fish past a hydro power plant which is placed in a river and which comprises a weir and at least one turbine arranged in the weir, which device comprises: -a funnel-shaped collecting bin with...
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WO/2005/103390 |
A bottom seal (9) at the lower end of a step screen (1) adapted to convey solid particles and other objects positioned in flowing water (2). The step screen has a grating (3) comprising alternately fixed and movable lamellar rods (4, 5) ...
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WO/2005/102494 |
A waste water filter has a perforated conveyor made up of a plurality of segments. Each of the segments has a shelf portion to lift trapped filtered material. Drive chains on opposite sides of the conveyor rotate the conveyor in an oblon...
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