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JP2007224682A |
To drastically reduce a debris removing frequency in a water tank and hardly causing the deterioration of generation efficiency caused by debris retained by a debris capturing screen, in a water supply system for a hydroelectric power st...
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JP3970820B2 |
To provide a filling method for buried pipes capable of increasing the efficiency of filling work of unnecessary buried pipes and selecting a manhole to be installed around a barricade for the filling work. The buried pipes 2 buried acro...
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JP2007211433A |
To provide a power generating device by use of sewage easily installed and maintained. An upstream sewer 7 is connected to an upper part of a manhole body 1 disposed almost in a vertical direction, and a downstream sewer 9 is connected t...
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JP2007205040A |
To provide a jellyfish collecting recovery apparatus low in cost with simple constitution and applicable also to an existing jellyfish collecting recovery facility. The jellyfish collecting recovery apparatus 1 used installed at an intak...
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JP2007198007A |
To provide a water cutoff structure for a concrete product connection section which achieves the absorption of displacement and secures water cutoff performance, and contributes to the alleviation of a burden of transportation work in a ...
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JP2007186870A |
To provide an air mixing prevention system and an air mixing prevention method which can reduce the mixing of the air into water taken in from a torrent when the water flows into a headrace.This system comprises: a vertical shaft 122 for...
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JP3940226B2 |
To provide a multi-functional inlet valve capable of substituting for the functions of outlet works such as a water turbine for run-of-river type power station, maintenance outlet water turbine for dam type power station or the like and ...
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JP2007162659A |
To uniform the operating times of first and second drain pumps by a simple circuit and at low cost.In an automatic mode, connection switches 106a, 206a, 302 are closed. Each time a series of drain operations by one or both of the first a...
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JP3935649B2 |
To provide a construction measure capable of converting spontaneous kinetic energy such as waves or wave motions in the ocean into electric energy by a certain measure on the hypothesis that the spontaneous kinetic energy is used as a sm...
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JP2007138912A |
To provide a device for converting rainwater into electric power for solving the problem of reducing the quantity of fossil fuel used for preventing global warming.The rainwater collected from a roof of the large area is concentrated in ...
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JP3926613B2 |
To provide a repair method for an underground structure capable of facilitating repair construction work when compared with a conventional method because it is unnecessary to remove an existing yard catch basin, improving work efficiency...
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JP2007132185A |
To obtain a water-level difference corresponding to a load of an electric power generator, since the tidal-level difference by flux and the reflux of a tide is offset by the load of the electric power generator.In this electric power gen...
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JP3918605B2 |
To reduce the construction cost of intake and discharge pipes used for an intake and discharge facility such as an energy facility. One end of an undersea tunnel 1 installed for passing a gas pipe line 2 and composed of a shield tunnel, ...
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JP3909523B2 |
To provide an underwater suspended solid detecting device and underwater suspended solid detecting method for accurately detecting the content of suspended solid such as sediment contained in water flowing in a river or water flowing int...
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JP2007092492A |
To provide a structure of a common ditch which is prepared without transfer or is easily transferred in preparation of the common ditch.A temporary pile 8 is used as a column of the common ditch. A temporary structure becomes a structure...
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JP3902828B2 |
To provide a connecting method of an underwater structure and a shield tunnel capable of reducing the cost of the underwater structure and reducing the construction period and construction cost. The sediment on a shield tunnel 12 is remo...
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JP3902303B2 |
To improve a relieve effect for a vertical earth pressure exerted on the top plate of a culvert and to reduce material cost for reduction of the vertical earth pressure. After a work for a culvert 10 is executed, a number of waste tires ...
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JP3899040B2 |
To provide a sea water intake facility capable of continuously and automatically removing jellyfishes or other marine creatures and refuse in an unmanned condition in order to supply sea water without troubles of operation of a electric ...
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JP2007506018A |
An underwater power generation system (10) that has a line member (30) that moves along a defined pathway. A number of foils (40) drive the line member using the flow of a water current. The defined pathway lies in a plane that is substa...
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JP3889913B2 |
To provide an epoch making laying member for a buried pipe and laying member for a slope face of a very high commodity value. In this laying member 2 laid in a lower part of a buried pipe 1, a grain material 4 of prescribed size is packe...
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JP3889301B2 |
To provide a pipe laying device, pipe laying system and pipe laying method whereby a regenerative pipe is laid inside a deteriorated sewage pipe while making sewage flow. This pipe laying device 1 is constituted of a proceeding device 3 ...
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JP3885166B2 |
To provide an intake for cooling water capable of solving such the fault that a large number of steel pipe piles are necessary for resisting against wave pressure acting on an impervious slab because the conventional intake for cooling w...
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JP3129106U |
To generate a fast seawater flow due to strong seawater suction intake in a place where a large amount of seawater is rapidly taken for cooling of a nuclear power plant or the like, and giant aquatic mothers are sucked into this seawater...
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JP2007020609A |
To provide a system and a method for treating an inner surface easily and inexpensively which facilitates safe treatment of an inner surface of a slanting cylindrical structure without setting up a large scaffold within the cylindrical s...
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JP2007016765A |
To provide a hydraulic power generation system capable of effectively using spring water drained from a tunnel having a gradient.This hydraulic power generation system 1 has a flow passage 4 arranged along the tunnel 2 having the gradien...
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JP3870151B2 |
To provide a seaside hydroelectric power system which enables new hydroelectric power facilities to be inexpensively installed on a small scale, and which can surely eliminate the shortage of generated electric power in a thermal power s...
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JP3862378B2 |
To provide an object flowing in and out of water passage monitoring device that can perform a measurement of detection and a degree of flow in and out of a jellyfish that flows in and out of the passage with a simple image processing met...
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JP2006336207A |
To separate a solid material from water including the solid material, without requiring labor and cost so much, without causing clogging.This water intake structure 30 is a water intake structure having a water intake port 33 for taking ...
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JP3856533B2 |
To improve the capacity and prevent scouring, by providing a water- discharge nozzle in a cylindrical head tank in which a water pipe is eccentrically fixed through a reducer. A conical reducer 43 constricted from a tank 42 to a nozzle 4...
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JP3856370B2 |
To provide a reinforced structure of a branch pipe, having sufficient strength usable even in a hydraulic pipeline of large bore with a high fluid pressure, which moreover can reduce a cost of manufacture. A reinforced beam P is constitu...
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JP3853913B2 |
To prevent an intrusion preventive rod from being removed or broken by piercing the wall surface of a casing with the opposite ends of an intrusion preventive rod made of a special material and embedding the opposite ends into a filter f...
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JP2006322161A |
To provide an intake installation capable of preventing an impediment of water connection and the damage of a pump by sediment without the flow of earth and sand and suspension into an absorbing tank in an irrigation channel continued fr...
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JP2006316473A |
To periodically drive a rake for removing dust captured by an intake screen by using a sufficient driving force acquired by employing hydraulic power as motive power.Energy which is produced when an elevated weight 206 freely falls by ma...
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JP2006316487A |
To provide an entrained-air control system for a headrace which can effectively control air entrained into flowing water without requiring the upsizing of existing equipment or requiring large-scale equipment.In a combined structure wher...
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JP3847244B2 |
To provide a wave motion dynamo capable of efficiently generating large electric power with simple structure. A plurality of floats 4 are arranged in the periphery of a base frame 3, wherein the dynamo 1 and hydraulic motors 2 for drivin...
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JP3849032B2 |
To provide a protection method for an embedded pipe which can be carried out in a simple work method, in a low cost, and securely. A gate type frame 3 made of synthetic resin is arranged with a distance in the axial direction of the pipe...
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JP2006299541A |
To provide a system capable of increasing rainwater utilization value up to the maximum extent by combining with hybrid power generation because there is few possibility for a rainwater utilizing method, almost all the amount of rainwate...
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JP3834571B2 |
To provide a construction method of an underground structure capable of positively preventing the collapse of a working face by easily improving soil with the injection of a chemical solution without constructing a special heading for th...
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JP3830954B2 |
To provide a cleaning method capable of performing the cleaning work efficiently in a short period of time even though a small robot is adopted in the cleaning method using an intake channel cleaning robot performing the work of removing...
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JP3828284B2 |
To make it possible to equally dump a specific volume of surplus soil accumulated on both sides of an excavated ditch at a time and to enable the dispersion/mixture of the dumped surplus soil into solidified slurry within a short time. A...
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JP3826012B2 |
To provide a marine organism adhesion preventing device capable of favorably preventing adhesion of the marine organism to a structure surface, and attaching/ detaching it to/from a wide-range of structure irrelevant to drainage capabili...
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JP3827666B2 |
To provide a pre-cast cable duct and its construction method capable of facilitating the execution of site work for a cable duct installed in the side of a handrail erected on the upper part of an elevated bridge such as a railway and a ...
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JP2006207611A |
To effectively prevent damage of a pipe part in an assumed region accompanying with displacement of the ground even when a pipe is buried over the assumed region where it is assumed that there is possibility of action of shearing force i...
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JP2006161371A |
To provide a new suspended curtain-wall impervious-membrane assembly with a flexible structure, which has characteristics such as the easiness of construction, the easiness of a change in the height of an intake, and the easiness of main...
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JP2006161481A |
To lighten a plastic structure, and to reuse waste plastics.A U-shaped side ditch, a trough or a manhole is composed of the plastic structure reinforced by introducing reinforcements or iron plates to the inside so as to be applied to th...
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JP2006161372A |
To provide a new curtain-wall impervious slab with a flexible structure, which has characteristics such as the easiness of construction, the easiness of a change in the height of an intake and the easiness of maintenance management.This ...
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JP2006151344A |
To generate power by natural energy and buoyancy and to compress air by power caused by buoyancy and stockpile the air.Water or air is jetted out upwardly from the water bottom to tips of four outside feet of piston floats of beaded belt...
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JP3785245B2 |
To provide a rubbish intrusion checking device which checks rubbish going to intrude into an intake from a river, on the river side, lets flow the rubbish downstream, and precludes the rubbish from being captured or stagnating at the int...
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JP3785228B2 |
To cover the wall surface of an anti-fouling structure by fast sticking rectangular plate-shaped anti-fouling panels surely on the wall surface by detachably fixing the anti-fouling panels, in which anti-fouling paint layers are formed o...
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JP2006124997A |
To provide a system for creating data on the predicted water level of a river, which creates the data on the predicted water level, serving as information for predicting the water level of the river fluctuating due to the start or stop o...
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