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Patent Searching and Data


Matches 601 - 650 out of 1,881

Document Document Title
JP2004076597A
To solve the problem that pump input does not change linearly but changes rapidly near a fully closing position and slowly near a fully opening position in spite of the linear control of guide vane opening at a constant speed, caused by ...  
JP2004068638A
To make use of the ocean effectively to generate electricity using a tidal current or an ocean current.There are provided with a plurality of floating units 21 and a plurality of water turbines 3. The plurality of the floating units 21 f...  
JP2004054700A
To provide an information box maintenance method, an information box maintenance device, an information box maintenance program and a recording medium with the program recorded that simplify an entry application procedure through entry a...  
JP2004033993A
To provide a method for stabilizing a water collecting filtration layer, by which the water intake function of the filtration layer can be kept over a long period of time.This method is applied to a water collecting pipe 12 buried in the...  
JP2004036378A
To enable stable power generation by suspending a gutter with a wire rope to make a simple sidewalk on both right and left sides of the lower part of the large-scale gutter and stretching a transmission line on the lower part thereof for...  
JP2004036274A
To inexpensively take in water near a water surface by a siphon action.A conducting tube 3 is guided to the outside after reaching a level above a usual water level of a reservoir P, and constantly takes in the water by the siphon action...  
JP2004027582A
To prevent the inflow of refuse to a conduit; to always operate a hydraulic power generation device for early redemption of the initial cost and reduction of a running cost rate; and to use a tidal change.A movable stopper 2 is provided ...  
JP2004013468A
To reduce a fuel cost of a thermal generator by efficient use of water in a connecting drainage system.An electricity generating and receiving plan creating system in a connecting drainage system with a plurality of dams and generators c...  
JP2004011279A
To provide an economical cleaning method and its device of a channel capable of eliminating marine organisms adhered to a inside wall surface of the channel such as an intake/drainage canal or the like for a power plant or the like witho...  
JP2003342056A
To provide an underground multi-purpose duct which can be more easily produced than conventional concrete underground multi-purpose ducts and can be lightweighted. The underground multi-purpose duct consists of a cured article comprised ...  
JP2003336247A
To provide an impurity sticking prevention apparatus for preventing impurities from sticking to an impurity inflow preventive net provided in the direction intersecting inflow water in order to prevent the impurities from entering a cool...  
JP2003328381A
To provide a novel flexible rubber joint and its mounting structure and its constructing method.The flexible rubber joint 10 is arranged along a connection portion of a can. It comprises an integral unit formed by a flexible curved porti...  
JP3492930B
To provide a piping connection device to relieve a piping connection work in an excavated ditch. A piping connection device 1 is roughly divided into a support part 2 and a body part 3. The support part 2 is provided with a length varyin...  
JP3488886B
PURPOSE: To deal with variation of a water level by combining detection of water level with flow adjustment control, and adding or subtracting a correcting flow corresponding to deviation of a water level to or from the set flow value of...  
JP2003286714A
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, a...  
JP2003278632A
To provide power generation facility installable without requiring a special geographical feature if the facility is located near the ocean.This facility is provided with an underground water tank 12 provided under the ground, a water ch...  
JP2003278947A
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 a...  
JP2003261952A
To obtain a pipe connecting apparatus which is operable in an excavated groove, simple in structure, and can be positively collected.The pipe connecting apparatus comprises a connector body and second guide members 70, 70. The connector ...  
JP2003213659A
To provide an underwater floating matter measuring device and water power generation method, capable of automatically and periodically measuring the concentration of muddy water or a particle diameter to more suitably determine whether w...  
JP3454757B
To make a compaction work such as rolling unnecessary by recycling construction slurry containing bentonite. A culvert box 1 is installed in a space excavated by preventing the failure of nearby ground G by means of a landslide protectio...  
JP3454332B
To solve such problems that the carrying of fluidized treatment soil or slurry costs much and a fixing work of embedding materials in a ditch is separately required and a removing work of the fluidized treatment soil from construction me...  
JP3451459B
To obtain power at low cost for pumping up fresh water and residual sea water after desalination by installing a reverse-osmosis method sea-water desalination method into the ground and mounting a pumped hydraulic turbine on the downstre...  
JP2003201719A
To provide a method for filling a hole capable of efficiently filling the hole existing in an underground section or a building.In the method for filling the hole filling the hole 100 existing in the underground section or the building w...  
JP2003184058A
To provide an immersed tunneling method for an underground structure, which dispenses with a disposal cost for transporting and disposing of excavated soil.Ground G is excavated with the supply of slurry B1, so that an excavated ditch 2,...  
JP2003183066A
To obtain a lightweight lid for a U-shaped groove easily constructable while having a sufficient bending strength.This lid for the U-shaped groove comprises a concrete prepared by mixing a metal fiber, water and a composition including c...  
JP2003176526A
To provide a power generating and flood control water storage device for carrying out the adjustment of river water in heavy rain, drainage of low land, water storage in a drought and power generation in normal times by providing a drain...  
JP2003171976A
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...  
JP3439041B
To simplify a Jellyfish removing device by supporting clead weight of water-flow generators and generated thrust by installing a plurality of propeller water-flow generators at a support frame and detachably connecting the support frame ...  
JP2003166229A
To provide an underground space construction method capable of reducing the construction term and cost.A cylindrical small hole 2 is excavated in the ground 1. Penetration of water 4 into the ground is prevented. A flexible pipe 3 extend...  
JP2003160923A
To provide a device for removing marine organisms which is characterized in that the marine organisms are mechanically removed and automatically removed by utilizing force of the flowing water of a water inlet channel, that is, which can...  
JP3434001B
PURPOSE: To enable the build-up of a lining body for external pressure bearing and build-up of a lining member for internal pressure bearing simultaneously and smoothly. CONSTITUTION: An excavation tunnel 3 is excavated and formed in the...  
JP2003145149A
To provide a water cleaning facility whereby the pressure energy of raw water introduced into a membrane filter can be recovered as an electric power.The water cleaning facility is one having a water conduit 11 being a flow path through ...  
JP2003138539A
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...  
JP2003119808A
To provide a repair device for an underground buried pipe allowing quick and reliable repair work, without requiring large-scale devices, to significantly reduce the period of construction work, while also reducing the cost of constructi...  
JP3421235B
To facilitate pipe laying work for laying a pipe in a ditch, which is carried out when a pipe such as a gas pipe, a service water pipe, a sewage pipe or the like is buried in the underground, without needing any wide work zone. A ditch 3...  
JP3419801B
PURPOSE: To facilitate the assembling of an arch structure by enabling the relative pivot motion of a plurality of element members matched on the top part of the arch structure in a crown joint. CONSTITUTION: Grease is applied on the ins...  
JP3420130B
To stably detect a snow jam, preventing the flow loss of a waterway. When a snow jam 12 flows in a waterway 11, line illumination (an illuminator) 13 (focusing illumination such as line spot illumination in which spot-shaped illumination...  
JP3416630B
To facilitate setting of an intake gate in an existing intake dam while minimizing installation costs thereof. The intake gate 21 of the intake dam is set as follows. The intake dam includes a dam body 22, and an external cylinder 21a an...  
JP2003090029A
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...  
JP3408321B
PURPOSE: To efficiently treat jellyfish by bringing ozonous water or ozonous gas into contact with the jellyfish entered in a cooling water intake of a power station, etc., to reduce the volume of the jellyfish, and lower COD to prevent ...  
JP3404629B
To enable the safe welding of a tubular body from its outside in a narrow disposing space. Tubular bodies 1 are drawn into a narrow disposing space 3 one after another, butted to an already disposed tubular body 2, and connected by weldi...  
JP3402958B
To simplify mounting and dismounting operations of a water flow generator in a water-intake jellyfish removal device. In the maintenance apparatus, a supporting frame 9 for a water flow generator 8 is erected on the open sea side of a ne...  
JP3402975B
To minimize the occupied sea area, simplify manufacture, increase the jellyfish removing effect, and facilitate the maintenance work by extending one of a pair of the right and left impervious walls constituting an intake port longer tha...  
JP2003047955A
To provide an apparatus for efficiently recovering suspended matters contained in fresh water or sea water, such as microorganisms (e.g. plankton), marine organisms (e.g. jellyfish), or trash. This apparatus for recovering suspended matt...  
JP2003041561A
To make a wave power concentrating structure and a wave power distributing structure hard to receive wave impact, and reduce an installation cost and a maintenance cost. This wave power concentrating structure comprises a stand 3 install...  
JP2003041386A
To provide a seawater intake and discharge pipe provided with an electrochemical antifouling means harmless to the environment, which improves antifouling effect for the seawater intake and discharge pipe, greatly extends an interval of ...  
JP2003041560A
To provide a screen for seawater intake equipment having an electrochemical contamination preventing means in combination with electric anticorrosion for improving a contamination preventing effect and greatly prolonging an interval of r...  
JP2003042100A
To pump up, store and drain water in a pipe system. In the water pipe system, a tube is raised in a lower tank. A water storage chamber is formed at an upper part of the tube. An exhaust pipe is attached on the same. When air is evacuate...  
JP3395991B
PURPOSE: To facilitate the repair work, by providing a drain pipe and a passage pipe in the inside of an expansible cylindrical body and also a rope fixing the side face at both side faces of the cylindrical body. CONSTITUTION: A drain p...  
JP2003030621A
To highly accurately predict the generated power of a run-of-river type dam.In the power plant of the run-of-river type dam, since a water storage function for preventing the flood of a downstream area is not originally provided differen...  

Matches 601 - 650 out of 1,881