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Matches 51 - 100 out of 1,785

Document Document Title
WO/2020/119696A1
A flood control and drought relief method involving building a group of extensible water retaining dams on a river. The extensible water retaining dam comprises a dam body (1), a wheel (2), a driving motor (3), a guide rail (4), a contro...  
WO/2020/098105A1
A triangular modularized ecological seawall, comprising multiple first pre-fabricated frames (1) arranged in an array, a second pre-fabricated frame (2) and a wavebreak forest (3) being disposed between two adjacent first pre-fabricated ...  
WO/2020/085634A1
The present invention relates to a prefabricated block body for a debris barrier, and a vegetation module for a debris barrier comprising same and, more specifically, to a prefabricated block body for a debris barrier which reduces a flo...  
WO/2020/075127A1
The spillway water system (1), comprising: at least one adjustable barrier sluice gate of one watercourse and defining: - one upstream stretch (2) and one downstream stretch (3) of the watercourse arranged upstream and downstream of the ...  
WO/2020/061599A1
The invention relates to a fish pass which is designed as an auxiliary element of a transverse structure, in particular such as a weir, a sill or a barrage, and through which flows a partial flow (2) bypassing the transverse structure in...  
WO/2019/200458A1
A gate, leaf, and method for controlling water levels in a body of water. The gate comprises a moveable barrier (which may be a leaf), a restoring device such as a spring, and a profile. The barrier automatically opens or closes an amoun...  
WO/2019/156260A1
The present invention relates to a multifunctional dam with a power generation function. More particularly, the present invention relates to a dam comprising: a dam which restricts and stores a flow of river water and does not block the ...  
WO/2019/126878A1
There is provided a system and method for managing fish migration in a body of water in the vicinity of an artificial or natural barrier. The system including a source of saturated water, where the saturated water is water having a disso...  
WO/2019/093920A1
The group of inventions relates to methods for dissipating the energy of flows of liquids or gases and can be used in hydraulic and mechanical engineering. The group of inventions includes a method for dissipating the kinetic energy of a...  
WO/2019/007633A1
The invention relates to a deflector element (1) for use in a deflector device for a hydroelectric power plant arranged in a body of water. The deflector element (1) is elongate and has two mutually opposed circular-arc-shaped longitudin...  
WO/2019/000934A1
An annular multi-level free-fall-type energy-dissipating vertical shaft, comprising an inner shaft (3) and outer shaft (2) that are arranged coaxially. A water inlet culvert (1) is connected at a top portion of the outer shaft (2). Two d...  
WO/2018/223787A1
A reservoir tail reverse regulation method for native fish protection. The method comprises: firstly, determining a breeding habitat of native fishes at a reservoir tail of a cascade hydroelectric dam; then determining a breeding charact...  
WO/2018/222985A1
Apparatus for removing debris from channeled water that includes a bar screen assembly. The assembly includes a plurality of spaced apart screen bars, each bar having an upstream edge and a downstream edge and distal ends to which U-shap...  
WO/2018/154156A1
The device solves a problem in Spanish rivers that is caused by the absence of migratory fish, such as salmon, sea trout, allis shad, twaite shad, lampreys, eels, etc. in reservoirs. The fish are transported upwards by means of the mecha...  
WO/2018/147644A1
The present invention relates to a natural-friendly purification treatment device for naturally purifying polluted river water and a natural-friendly eco-friendly method for purifying polluted river water, and is intended to naturally pu...  
WO/2018/142059A1
The present invention relates to a high water spillway (5) for barrages and similar structures, comprising a spill threshold (6), the crest of which is located at a first predetermined level (RN) lower than a second predetermined level (...  
WO/2018/058178A1
A riser for a surface irrigation system, the riser having a housing and an outlet valve. The housing has an open upper portion and an outlet defining an orifice through which irrigation fluid is to be discharged. The valve includes an up...  
WO/2018/013592A1
A wastewater purifier has a chamber having an upper ingress end and a lower drain end, one or more wastewater nozzles connected to a wastewater source positioned near the ingress end, to produce wastewater droplets, a chilled air ingress...  
WO/2017/196849A1
A rod detensioning unit including a gripping unit removal device that engages a gripping unit on a rod, a chair frame configured to engage a rod, a rod tensioning unit that applies tension to an external portion of the rod to remove load...  
WO/2017/193057A1
A system and method for removing suspended solids from waste water includes flowing a volume of waste water through a series of flow chambers arranged between an inlet and an outlet. Each of the flow chambers includes a flow path that is...  
WO/2017/187020A1
The invention relates to a migratory fish passage arrangement, to arrange the flow of waters past an obstacle in the flow, such as a dam in the riverbed, upstream the natural flow direction of the water in the riverbed, wherein the arran...  
WO/2017/166862A1
A fish escape prevention apparatus for use in flood discharge comprises a plurality of grating bars (2) disposed at a spillway inlet and arranged in a row. A gap between two adjacent grating bars (2) is configured to enable water to pass...  
WO/2017/142340A1
The present invention relates to a combined fish farm and breakwater structure, and a fish farming method thereof, comprising: a structure unit in which a seawater flow path is formed; a breakwater wall that is formed by stacking a plura...  
WO/2017/088040A1
A system for monitoring a physical environmental property having non-stationary heteroscedastic noise is disclosed. A processor receives physical environmental measurement data, and constructs a combined input and output noise levels mat...  
WO/2017/085309A1
The invention relates to a holder (1) for a flexible, flat filtering and/or cleaning material (2) to be arranged in a body of water (3). A holder (1) is provided, comprising an upper frame (4), which has at least two opposite sections (5...  
WO/2017/086737A1
The present invention relates to a pressure-tight door allowing the movement of hinges and comprises: hinge-fixating units comprising a fixing member, one side of which has a movable groove and the other side of which is fixed to a door ...  
WO/2017/066655A1
A system includes first and second dam modules, a power generation unit, and first and second turbine modules. The first dam module can be secured to a foundation of a dam site and redirect a first flow of water. The second dam module ca...  
WO/2017/030946A1
A floatable, portable and readily deployable apparatus used in a surface water body for the collection, mixing, separation, containment and removal of total solids from fluid in surface water by settling, sorption, floatation or filtrati...  
WO/2017/019928A1
A traveling water screen comprises a basket having a frame including an upper portion, a lower portion, and side portions, a coarse screen secured to the frame, a fine screen overlay attachable to the coarse screen, and a bucket portion ...  
WO/2016/176489A1
Flexible containment tubes form sections of a dike for fluid containment. For example, multiple vinyl-coated polyester tubes with a 19-inch diameter may be filled with water and stacked on top of each other to create a temporary diversio...  
WO/2016/052892A1
The present invention relates to an artificial fishway for the migration of fish in hydraulic facilities. A first aspect of the present invention relates to a structure provided at an underwater weir (8) of a river in order to allow homi...  
WO/2015/186094A1
The present invention relates to the field of devices through which a flow of fluid passes and which are subject to clogging due to the impurities found in the fluid, the clogging producing an increased head loss over time, defined as th...  
WO/2015/179890A1
The invention relates to a rake device (1) for separating solids from liquids, in particular for arranging in an exhaust water flow, comprising filter elements (10) which rotate in a rake frame (4), extend substantially over the frame wi...  
WO/2015/179990A1
The invention relates to a fish migration aid comprising a plurality of interconnected individual pools (71) which form a flow path and each of which has an outer wall arrangement (72) forming a water holding space (77, 78) as well as a ...  
WO/2015/175428A1
A permeable reactive weir having at least one outer wall which defines a chamber that holds reactive filter media.  
WO/2015/079388A1
A fishway and its method of constructing, used for water barriers such as weir, dams and various forms of impoundment, allowing to overcome a river impoundment by organisms living in the river. The fishway is characterized in that on the...  
WO/2015/064851A1
The present invention relates to a cone valve and a manufacturing method thereof. In the cone valve, a cone is installed in a body part having a hollow portion formed therein through which fluid flows, the body part includes left and rig...  
WO/2015/026289A1
A transporter and fish lock comprising an upper inlet (5) and an upper outlet (9) adapted to be provided in flow communication with an upper volume of water, as well as a lower outlet (6) and a lower inlet (8) adapted to be arranged in f...  
WO/2014/172721A1
An arrangement on flowing bodies of water in the region of a transverse structure and/or waterworks, in the form of a fish bypass (13), for transporting aquatic animals, in particular fish, between tail water (4) and head water (5), has ...  
WO/2014/166145A1
Disclosed are a debris flow diversion dam automatically distributing drainage and silting and a design method thereof. The diversion dam comprises a dam foundation (1) and a dam main body provided on the dam foundation (1); the bottom pa...  
WO/2014/158876A1
Dams are a useful source of energy. An embodiment of a dam according to the present invention includes precast segments configured to be coupled together to form a dam optionally used to generate energy. Another embodiment includes encas...  
WO/2014/094994A1
The invention relates to a cooling-water outlet system for ensuring the counterpressure of the heated cooling water from a heat exchanger system on the return flow to a water reservoir, comprising a closed box, which comprises an inlet c...  
WO/2014/086403A1
A gate (1) for free spillway weirs (2) comprises a barrier (3) being tiltably supported on a weir (2) and movable between a first, water retaining position and a second, flood releasing position, a bottom structure (14) delimiting with t...  
WO/2014/086402A1
A gate (1) with a barrier (3) capable of retaining water (W) with a central barrier wall (4) that is inclined in a direction away from the water, a bottom structure (7) beneath the water that is capable of delimiting by a weir (2) a bott...  
WO/2014/060102A1
The invention relates to a shaft power plant (1) for generating electricity by energy conversion of an outflow between upper water (2) and lower water (3) in a river, comprising at least two power plant modules (6) having one vertical sh...  
WO/2014/056046A1
The invention discloses an undershot gate system to control flow of liquid through an open channel or pipe (14). The system includes a gate leaf (16) adapted to be raised and lowered by a control means to allow flow of liquid along the o...  
WO/2014/051267A1
The present invention provides an environmentally-friendly and safe weir provided with both a water way and a fish passage, comprising: a water pipe comprising a horizontal water pipe which is connected to a first air pipe that is horizo...  
WO/2014/022389A1
A screen assembly configured to separate coarse (larger) and fine (small) materials from an effluent flow. The assembly includes a plurality of bars having different heights. The bars are arranged to form larger spaces for separating coa...  
WO/2014/008553A1
ABSTRACT The invention discloses an overshot control gate (26) for use with trapezoidal irrigation channels (10). Gate (26) has a rigid rectangular section (38) adapted to, in use, be pivotally mounted to the base (12) of trapezoidal irr...  
WO/2014/008390A1
A screen filter for wastewater applications includes a chain tensioner assembly configured to provide a tensioning force for a screen filter chain. The chain tensioner assembly includes a slide plate configured to move axially with respe...  

Matches 51 - 100 out of 1,785