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Matches 1 - 50 out of 2,477

Document Document Title
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/2014/165379A3
A collection device for aquatic life and debris for a traveling water screen. The collection device allows sharing of water provided from a high pressure nozzle while shielding aquatic life from a high pressure spray produced by the high...  
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...  
WO/2013/166017A1
The present invention teaches a fish passage unit for providing a reduced flow rate of water having a chain drive system that is powered by the flow of water in the stream or river in which the unit is placed. In some embodiments, the ch...  
WO/2013/134886A1
A hydraulic structure comprises walls (1) creating a downstream narrowing passage in a streaming surface water. The downstream ends (4) of the walls (1) are edged in order to generate vortices (2) dissolving from the edges (4) downstream...  
WO/2013/124662A1
A screening system comprises a tank (20) containing a sewage screen (30), wherein the tank is configured for attachment to a sewage channel, and to receive sewage flow from an upstream point of the channel, and then to direct the sewage ...  
WO/2013/117669A1
The invention relates to an intake gate of a hydroelectric power plant, comprising bars (8) which are horizontal to the direction of the flow of water or are arranged at a slight angle to the horizontal, or comprises bars (8) which are t...  
WO/2013/117668A1
The invention relates to an intake gate of a hydroelectric power plant, comprising bars (8) which are horizontal to the direction of the flow of water or are arranged at a slight angle to the horizontal. According to the invention, said ...  
WO/2013/083396A1
The invention relates to an energy generating unit for generating electric energy from water power. At least one turbine system is installed in a conventional standard container, said turbine system being arranged in a channel which runs...  
WO/2013/084303A1
All regions of a recess for underwater sedimentation above a suction tube is covered from above by a reticular screen, whereby foreign matter that cannot be suctioned in through an opening of a suction tube is captured by the reticular s...  
WO/2013/055232A1
The present invention relates to a suction nozzle for a thrash rack of a power plant. The suction nozzle comprises an outlet with a pipe stub connectable to a flexible outlet hose, and a wedge-shaped distribution chamber (3) comprising a...  
WO/2013/028076A1
Device for dredging in water reservoirs, comprising a suction head (2) with at least one lower inlet opening (23) arranged to suck in sediment and water. The suction head is connected to an outlet hose (6) which is at least partly flexib...  
WO/2012/156604A1
The invention relates to a power plant which operationally combines a downstream turbine unit (7) and an upstream grating assembly (8), which includes a grating (16), a supporting structure (17), and a means (18) for associating the grat...  
WO/2012/081830A1
The present invention relates to a safe fishway. The safe fishway includes: an intake/exhaust valve disposed at the upper portion of a barrage or levee to indirectly adjust the internal water level by regulating the air, which has a rela...  
WO/2012/070945A1
Method and System for hydraulic removal of sediment in sand traps, where sediment are sucked into slotted pipes (15) arranged near the bottom of the sand trap. The slotted pipes (15) are branched out from connecting pieces (16) where at ...  
WO/2012/022434A1
The invention relates to a screen arrangement (79) for a hydroelectric power plant, comprising a screen (21) to be arranged upstream of a turbine (16), at the top (10) of a vertical shaft (7), said top (10) of the shaft forming an inlet ...  
WO/2011/160820A1
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...  
WO/2011/149225A3
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...  
WO/2011/149225A2
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...  

Matches 1 - 50 out of 2,477