Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 10,543

Document Document Title
WO/2002/016698A1
The invention provides a control gate (10) adapted to be installed across a channel (12) for liquids. Control gate (10) has a barrier member (22) that is pivotally mounted at or adjacent the base (20) of flow channel (12) and at least on...  
WO/2001/059221A1
The invention concerns a weir with a weirgate with a low placed axis. The weirgate is foreseen with wings in the form of a half circle which carries a tooth-rack. The tooth-rack is driven by gears which are connected with each other by r...  
WO/2001/051714A1
A gate operating device having a door body of a gate installed in a water channel and an operating means operating the door body in vertical direction, characterized by comprising a pressure receiving plate installed on the door body thr...  
WO/2001/042147A1
Apparatus for checking and, if required, for recovering water that has been cleaned of road deposits, under both normal and emergency conditions, with means for conveying the liquids (CO, 3, 6), a storage/sedimentation system (4) and, if...  
WO/2001/032991A1
The present invention relates to an automatic water gate which is installed in a canal such as an irrigation canal of a river or a relatively small reservoir so as to maintain a stored water level within a certain extent, and an object t...  
WO/2001/029327A1
A hose section (1) is surrounded by several belt rings (4), which succeed each other in a longitudinal direction and which are each sewn to a belt section at the sides. Said belt sections form an upper connecting belt (8) and a lower con...  
WO/2001/002650A1
This invention relates to the method of constructing a dam in water conservancy works, named method of horizontal spread with inclined layer, it solves the problem in concrete dam in common use. It is characterized in that, the process i...  
WO/2000/058563A1
The invention relates to a procedure for building water protection structures, in the course of which a basic body is formed from stones, and at least two sides of the basic body are provided with a covering layer. The characteristic fea...  
WO/2000/047853A1
A novel side seal assembly for a slide gate (48) is provided that essentially comprises a seal member (70) having first (74), second (76) and third (78) mutually spaced sections formed integral with a base section (72), the first (74) an...  
WO/2000/036225A1
A liquid retaining structure is disclosed. The structure comprises an elongate, generally horizontal member which in transverse cross section has the form of an arch extending in use, above ground between a first position and a liquid re...  
WO/2000/034588A1
A method for the waterproofing of joints and/or cracks (11) in the upstream face (10) of dams, other hydraulic works and concrete or masonry structures. A waterproofing membrane (13), comprising a strip of elastically yieldable synthetic...  
WO/2000/026476A1
The invention relates to a water control gate (10) in the form of a movable barrier (12) which is connected to a spillway (14) by means of hinges (16) so as to be pivotable between an upper, closed position in which it projects above the...  
WO/2000/005459A1
Through almost 20 years of personal experience in the field of irrigation in Mexico, I have observed that the traditional shapes of electromechanical equipments (valves and mechanisms and similar) for irrigation systems are generally mad...  
WO/2000/001892A1
A flood prevention apparatus for installation adjacent to a water course which is prone to flooding, comprising one or more flood prevention barriers. Each barrier comprising a buoyant wall section (3, 33, 72, 102) supported such that as...  
WO/1999/058768A1
A self-regulating tilting weir comprises a tiltable weir gate over which the water flows, the weir gate being hinged at its lower edge (3) to the base of a support frame (1) and counterbalanced by float means (4) located upstream of the ...  
WO/1999/051480A1
The invention relates to a device for displacing the moveable parts of rail switches or crossings in which a plurality of hydraulic cylinder piston assemblies are each connected in series. Said assemblies engage in the longitudinal direc...  
WO/1999/049143A1
A flood control barrier (B) for separating water in a wet area from an area to be maintained substantially dry comprises a flexible exterior membrane (100) made of liquid impervious material and including elongated upper and lower membra...  
WO/1999/029966A1
An apparatus for operating a water gate, having a door of the water gate provided in a water channel, and a means for vertically operating the door, characterized by comprising a pressure receiving plate fixed to the door via an operatin...  
WO/1999/024675A1
The invention concerns a protective element (1) comprising a plate (2) with a first longitudinal edge (3) and a second longitudinal edge (4) spaced by a distance (D) from each other, and a pivot bearing (5, 5') arranged substantially par...  
WO/1999/013163A1
A rubber gate for controlling the volume of water behind is made from a plurality of layers of conveyor belting extending vertically and stacked horizontally in adjacent relationship to each other.  
WO/1999/011868A1
The invention concerns a dike module that can be filled with back-up material and for reinforcing, enlarging, repairing and/or rebuilding a dike. Said module comprises a container (10, 40, 50, 60) of length ranging between 0.5 m and 500 ...  
WO/1998/051865A1
A damming device for forming a liquid-damming protective bank comprises at least one first board (1), in the active state laying, intended to be urged by the liquid against the surface and thereby anchoring the device, as well as at leas...  
WO/1998/045539A1
This invention relates to a water control gate mounted to the crest of a spillway for controlling the water level in a reservoir. The control gate includes a variable ballast tank (12) which defines a movable barrier. A pivot arrangement...  
WO/1998/037469A1
A device for controlling a liquid flow by means of a gas pressure. The device comprises a pressure chamber (5), in which an overpressure, an underpressure or atmospheric pressure may prevail. The pressure in said pressure chamber (5) can...  
WO/1998/037278A1
Assembly suitable for water-control, comprising a profiled element (1). The profiled element (1) has a basis and a number of at least two legs (3, 4) extending from the basis in similar direction. Each leg (3, 4) has a free end. The legs...  
WO/1998/022659A1
A mobile anti-flood protection device comprising flexible tubes (1) placed on top of each other with closed ends and at least one water connection. The ends of the tubes (1) are detachably fixed to holding devices (2). The holding device...  
WO/1998/017869A1
Erosion and collapse of torrents and rivers are prevented by anchoring timber, stone or the like with a longitudinal rope (steel wire rope) (1). Collapse of hillside is prevented by placing moored objects such as timber and stone (3) anc...  
WO/1998/012388A1
The invention concerns a dam for preserving river bank routes, dwellings and premises in general or the like and water reservoirs from being flooded with detergents and pollutants. This dam is built in the ground, characterised in that i...  
WO/1998/006923A1
The invention discloses a method for protecting the inside of buildings against the unwanted inflow of water, mud and other fluids, characterised in that a screen-film (1) made from a flexible and resistant sheet of waterproof material w...  
WO/1998/004781A1
A flood control bag (10) of flexible waterproof material has an elongated bag body (12) with a substantially triangular cross section having a base (14), forward and rear walls (16, 18) and end walls (20, 22), at least one of the front a...  
WO/1997/039192A1
Movable embankment made of an element which can modify its volume as an inflatable tubular element (5), fixed to the ground that, in conditions of emergency, can be inflated within a short time.  
WO/1997/030230A1
A water control gate assembly comprises a self-actuating top-hung gate for controlling the flow of water in a waterway. The gate is pivotably mounted on a pair of piers located above an upstream of the gate for allowing the gate to pivot...  
WO/1997/026412A1
An automatic wicket (10) including a wall (12) mounted on a hydraulic structure (11) and movable between a raised position in which it holds back a body of water and a lowered position in which the water flows substantially unhindered th...  
WO/1997/008393A1
An inflatable bladder having one or more edge portions which are wedge-shaped. The wedges can be metal or rubber, for example, which are bonded on opposite surfaces to adjacent reinforced layers at the edge of the bladder. The edges can ...  
WO/1997/007290A1
Water dam including a number of loading pallets arranged side by side and inclined outward from the water supported by supports (2). Membranes (3) are placed on loading pallets and a distance in front of these in under the water. The mem...  
WO/1997/004177A1
A barrier forming a temporary dam that may be erected quickly alongside a river in spate to protect a flood-prone area. The barrier (11) mainly consists of extractable piles (15) fitted in holes in the ground, and removable water-tight m...  
WO/1996/036773A1
The invention describes a mobile collapsible flood barrier consisting of individual stackable sections (601), the two longitudinal ends of which engage for securing purposes in a U-section arranged perpendicularly to the sections. The in...  
WO/1996/033312A1
The invention concerns a device for triggering the destruction of a selected part (1, 11) of a hydraulic structure, such as a levee, dike or backfilled dam, the selected part comprising erodable materials such that it can be destroyed by...  
WO/1996/027710A1
A liquid-damming protective bank comprises a member abutting against a surface upon which a vertical force acts with the purpose of pressing and anchoring the same against the surface. The bank member has a first long side edge turned to...  
WO/1996/024826A1
A process and a device for the inspection and monitoring of the condition of dykes, dams, weirs, etc., in which the temperature distribution at least over sections along the inside of the dyke is determined, beneath the top or bottom of ...  
WO/1996/020312A1
A weir structure for controlling liquid flow in a channel having a floor and side walls comprising a barrier extending between the sidewalls of the channel and from the floor of the channel to a crest to separate the channel into an upst...  
WO/1996/001925A1
An automatic self-contained tilt-up gate (AAM) for new spillways, for raising the normal impounded water level of originally gateless spillways to increase the reservoir capacity, for lowering flood water levels at dry dams, and for incr...  
WO/1995/032339A1
A trench (18) is excavated from the top surface of an earthen dike (10), all the way down to the foundation below the base of the dike. Dry powder, partially hydrolyzed polyacrylamide (PHPA) is mixed with fresh water and soda ash in prop...  
WO/1995/013429A1
The invention discloses a collapsible dam for restraining and regulating the water flow in canals, basins and similar comprising one or more floodgates (3) having a prevalently vertical development, lined up one next to the other and con...  
WO/1994/011582A1
The present invention is related to a dam built of a flexible and inflatable material to be used to temporarily isolate sections of lakes, bays and even stream with low water flowrates. The flexible dam is constituted by guide pipe (1), ...  
WO/1994/004759A1
A sluice gate for controlling the discharge of water through a gateway (5) in a flood irrigation system comprises mounting means (8, 9) with stub axles (10) defining a hinge axis upstream of the gateway (5), a closure element (11) mounte...  
WO/1993/020288A2
A cut expansion joint (E) sealing device (J) for a concrete dam (B), including a tubular cell (10) made of a resilient material and provided at the upper and lower ends thereof with an upper rigid cap (16) and a lower rounded rigid cap (...  
WO/1993/018238A1
Self supporting rubbery flow blocking devices (1) of substantial thickness is mounted in a fluid passageway to automatically regulate fluid flow control where the incoming volume of water fluctuates to retain maximum fluid levels for eit...  
WO/1992/021823A1
An apparatus for the removal of particles from the bottom of a water reservoir (1) or other water courses, comprising a long body (7) which in one end is connected to an outlet (14) for water and bottom particles. The outlet (14) has a l...  
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...  

Matches 351 - 400 out of 10,543