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Patent Searching and Data


Matches 1 - 50 out of 14,614

Document Document Title
WO/2019/093892A2
Water barrier comprising at least one movable retaining wall that can be moved between an inoperative position, in which a passage is left open between the water side and the land side, and a water-retaining position closing off the pass...  
WO/2019/075812A1
A roller compacted concrete dam and a construction method therefor. The roller compacted concrete dam comprises a dam body upstream water face area (5), a dam body internal area (6), and a dam body downstream face area (7). The dam body ...  
WO/2019/065506A1
This pit gate includes: a gate body inserted between a pool portion that stores water and a canal portion connected to the pool portion, thereby changing the state of flow of the water; and a seal portion (6) that is accommodated in a gr...  
WO/2019/044443A1
A flap gate (1) comprises a door (2) and a mooring (31). The door (2) rises up or drops down by way of a movable end (24) pivoting about a fulcrum constituted by a support end (23) disposed on the water bottom. The mooring (31) anchors t...  
WO/2019/043818A1
Provided is a simple water intake gate control system that can shorten the duration of operating at minimum generator output. A simple water intake gate control system for using in a simple water intake gate 3 that is raised to a fully o...  
WO/2019/019537A1
A hydraulic weir gate, comprising a weir frame structure (32), the weir frame structure (32) comprising a first weir frame (20) and a second weir frame (21) which are engaged together, a first guide block (10) provided on the inner side ...  
WO/2019/011177A1
Provided are a flexible dam (100) having cables, and an enhancement method therefor, wherein the dam is a non-expansive flexible dam composed of cables to block or control a water flow, and the cables are in a loose state with respect to...  
WO/2018/221899A1
The present invention relates to a lifting and lowering apparatus for opening and closing a sluice and, specifically, provides a sluice lifting and lowering apparatus comprising: a rack bar provided in the vertical direction by passing t...  
WO/2018/185984A1
A torsion coil spring (31) of a flap gate (1) is arranged below an upper surface of a door body (2) in a collapsed posture. The torsion coil spring (31) includes a coil part (32), a first arm (33), and a second arm (34). In the coil part...  
WO/2018/177489A1
The invention concerns a flood protection for protecting a back area against rising water level from a front area, the flood protection operating between a bottom and a water surface, including at least one barrier element with a longitu...  
WO/2018/173400A1
A flap gate (1) comprises a door (2), and a raising and lowering assist unit (3). With the door (2) in a lowered orientation, a movable edge (24) of the door (2) is positioned more to the front than a support edge (23). The door (2) chan...  
WO/2018/171119A1
A hydraulic self-lifting truss-type heavy arch dam formwork system using a cantilever, the system comprising bearing tripods (107) and a hydraulic frame lifting system (15) connected to the bearing tripods (107). A formwork device (10) i...  
WO/2018/170072A1
A system is provided for automatic operation and status indication of a marine barrier gate. Embodiments include a system having a buoyant barrier gate that is movable between a closed position and an open position. An actuator moves the...  
WO/2018/169436A1
The invention relates to hydraulic engineering and may be applied in the construction of concrete gravity dams on mountain rivers which flow through narrow canyons. The concrete dam is built in two stages. At the first stage, a reinforce...  
WO/2018/156070A1
The invention relates to an embanking arrangement for separating and protecting a first water volume (5) from a second water volume (6). The embanking arrangement comprises a barrier (4) connected to land and having an opening, a station...  
WO/2018/148070A1
A barrier system constructed of modules which includes a frame, a concrete foundation, a frame attached to the concrete foundation and supporting a non-vertical front side plate and a vertical rear side plate so that the front side plate...  
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/2018/138001A1
The present invention relates to an emergency dam beam for spontaneously heightening existing high-water protection walls, consisting of a rectangular profile element of hollow design, wherein the profile element has a horizontally exten...  
WO/2018/133738A1
A hydraulic engineering construction consisting of piles and walls. The piles are provided at the bottom with a chain blade for excavating rock and soil during construction. Either extremity of the walls and the piles are embedded into e...  
WO/2018/117959A1
A dropdown flood barrier (100) is disclosed, which comprises at least one panel (102) and an associated counterweight (104), the panel configured to be movable between an elevated position and a lowered position in cooperation with the c...  
WO/2018/100809A1
[Problem] To provide a facility for discharging a leaching residue slurry in which the whole of an entire retention pond can be effectively utilized for storage of a leaching residue slurry. [Solution] Equipment for discharging a leachin...  
WO/2018/090322A1
Disclosed is a method for evaluating the safety of a fill material structure of a concrete-face dam, comprising: 1) collecting a critical hydraulic gradient J of the fill material structure of the concrete-face dam; 2) selecting a permis...  
WO/2018/072191A1
A stable and reliable lifting-type hydraulic gate structure, comprising a gate lifting plate (5) used for implementing an opening and closing operation of a gate (15) in a wall body (1), and a fixed mechanism (2) fixedly arranged on the ...  
WO/2018/069970A1
[Problem] To provide a permeation-type trapping structure that is capable of assuredly preventing scouring of a river bed 80 and erosion of a river bank 81 while preventing destruction of a sleeve net 40. [Solution] This permeation-type ...  
WO/2018/070512A1
This land-lock gate is provided with: a door body (2) that is hoisted by being rotated about a hoisting axial center (20); and a floor plate (38) that is arranged adjacently to the hoisting axial center (20) side of the door body (2) in ...  
WO/2018/061324A1
An axial center position adjustment mechanism (21) serving as a flap gate rotation bearing comprises a housing (24) that is disposed at the bottom of an opening, a first rotation plate (51) that is rotatably supported in the housing (24)...  
WO/2018/057842A1
An open water marine barrier system is provided. Embodiments include a marine barrier with two elongate buoyant members, an elongate net support member between the two buoyant members and above the buoyant members, and an elongate lower ...  
WO/2018/045257A1
Composite particles of a hard core coated by a layer of hydratable, swellable clay such as bentonite are useful for constructing, modifying and/or supporting lifeline structure such as dams, berms and levees, and/or pipelines or conduits...  
WO/2018/037437A1
Provided are a tank placement, a double cross-section restraint, a side roller block, a retractable reaction roller, a retractable bottom water stop, a reaction shaft, a retractable side water stop, a door groove insertion step, and a st...  
WO/2018/035234A1
A flood protection system including a tube plate assembly including a plurality of orifices arranged in a predetermined pattern and density. A tube attachment subsystem is associated with each of the plurality of orifices and is configur...  
WO/2018/024429A1
The invention relates to an engine assembly (1), which can be at least partially immersed in a body of water. The engine assembly (1) comprises a housing for an underwater module (6) of the engine assembly. Disposed in the region of the ...  
WO/2018/024428A1
The invention relates to a gate assembly for a waterway closure, comprising at least one gate leaf (1) which can be pivoted about a gate leaf pivot axis (8) defined by a step bearing and a neck bearing and which has at least one gate-sid...  
WO/2018/013981A3
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/013981A9
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/005929A1
A vertical door system includes: a door having a door frame, the door frame having at least one frame section; an operator; two vertical supports configured to: (a) be installable on opposite sides of the door opening and (b) support the...  
WO/2017/218570A1
The present invention relates to a retractable floodwall unit that comprises a foundation unit having a plurality of guide tracks along side walls of the foundation unit, a floodwall panel stowed in the foundation unit; and a power syste...  
WO/2017/202613A1
The invention relates to a support (1) of a water protection wall (2), wherein the support (1) is used to receive a plurality of stop logs (3), which are stacked on top of one another, at their ends in a U-shaped profile section (4) of t...  
WO/2017/196130A1
The present invention relates to a device for adjusting the water level of a rice field, which is capable of easily adjusting the water level of a rice field. The device for adjusting the water level of a rice field comprises: a case mou...  
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/2017/181549A1
A radial gate of a hydropower station comprises a gate body (10) and a defreezing device (20). The gate body (10) comprises beam members (11) and an arc-shaped water-resistant faceplate (12) fixed to front ends of the beam members (11). ...  
WO/2017/163691A1
[Problem] To effectively close a corner part. [Solution] This floating flap gate apparatus 1 is configured such that the tip side of a door body is swingable in an erected manner about the door body base-end side serving as a pivot point...  
WO/2017/159212A1
[Problem] To maintain a water channel in a closed state when the downstream water level is rising and to open the water channel when the upstream water level is rising even if a flap gate is installed in the water channel or in a locatio...  
WO/2017/149560A1
[Problem] To make it possible to convert an existing permeable erosion-control dam into a permeable erosion-control dam having high disaster reduction, without reinforcing a slit dam. [Solution] A permeable erosion-control dam provided w...  
WO/2017/147349A1
A water control gate pivotable about a horizontal axis. Control may be by a combination of inflatable actuators and ballast chambers in combination with means for preventing over- rotation. Sealing between gate panels and between gate pa...  
WO/2017/145202A1
An underwater inspection system (100) that comprises a front case (43), a pressure sensor (18), an imaging unit (13a), a plurality of laser radiating units (13ba-13bd), a position detection unit (1b), and an inspection target measurement...  
WO/2017/129627A1
A method and a device for laying down and sealingly anchoring a waterproofing liner (1) of a synthetic material, on a surface (2) of a hydraulic work (3); the liner (1) is fastened by a plurality of tensioning and anchoring assemblies (4...  
WO/2017/132093A1
A portable ice rink includes a wall formed of multiple wall members linearly disposed adjacent to one another to form a piecewise continuous wall that encloses a desired area, and also includes a chain of links disposed on the outside of...  
WO/2017/107251A1
A speed bump applicable as an anti-flood barrier comprises a base (11) provided with a recess (12) on a top portion of the base (11), and a rotatable panel (2) is laid flatly in the recess (12). An inclined support rod (3) can be conceal...  
WO/2017/105002A1
The present invention relates to a tube floodgate module comprising: a base unit installed on a watercourse of a dam; a tube floodgate unit installed on the base unit to move up and down in order to allow extra water to flow down when th...  

Matches 1 - 50 out of 14,614