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Patent Searching and Data


Matches 601 - 650 out of 5,990

Document Document Title
JP4586104B2  
JP4573618B2  
JP2010248775A
To provide a water cut-off valve device for a drainage hole of a concrete box, capable of coping with level fluctuation of a ground water level.This water cut-off valve device 11 is attached to the drainage hole 13 provided in a bottom p...  
JP2010248842A
To determine a time point for water intake stop, and to restart in order to obtain maximum generated electric energy while restraining a large amount of a sediment inflow when water is discharged in a run-off river-type hydroelectric pow...  
JP2010248745A
To provide a method for constructing an underwater structure capable of being installed even on the uneven bottom of the water, without forming a gap between the underwater structure and the bottom of the water, in the installation of th...  
JP4573081B2  
JP4570493B2  
JP4571134B2  
JP4562521B2  
JP2010222875A
To provide a construction body for accelerating water stream capable of increasing velocity of flowing water for rotating a power generating turbine and keeping quantity of electricity generated by utilizing flowing water being changeabl...  
JP2010209584A
To provide a method for controlling hydroelectric power generation which enables an efficient operation to be performed in a trouble-free range while checking an influence of an outflow of turbid water into a river from power generating ...  
JP4545476B2  
JP4544750B2  
JP2010196721A
To provide a pipe closing device and method for putting a component through a manhole, and closing a flow of fluid to the inside of a pipe even when a target pipe diameter is large.A plurality of rigid frame members 13a to 13f are assemb...  
JP4541730B2  
JP2010187637A
To provide a method for effectively preventing adhesion and proliferation of an attached marine organism on a surface of a construction in seawater such as seawater inlet/outlet facility of an electric power plant at a low cost.The metho...  
JP2010189923A
To detachably position a jelly fish removing tool to an intake provided on the portside of a tanker.A square water flow generating pipe 10 is suspended from a deck Se by two suspending ropes 31 and positioned vertically and longitudinall...  
JP4537228B2  
JP2010185281A
To provide a method for simplifying installation work to considerably shorten a construction period and to reduce a construction cost regarding an intake construction method effective for an intake of an intake facility or the like for c...  
JP3161525U
【課題】従来の水力発電方法の課題であった 建設コスト、環境問題を改善する水力発電と 水質改善に寄与する循環型の複合水力発電シ ステムを提供する。【解決手段】地中に...  
JP4518811B2  
JP4514257B2  
JP4510385B2  
JP2010150830A
To prevent wood pieces and dirt from being caught by an intake screen. This screen cover 10 is formed of a bamboo material 11 which is disposed at a water intake 2 to which the screen 3 is attached and has gaps allowing water to pass the...  
JP4496994B2  
JP4488275B2  
JP2010116771A
To provide a hydroelectric power generation system capable of regulating the water quantity and water flow velocity to desired ones according to the state and size of a river.This hydroelectric power generation system S includes a water ...  
JP2010106534A
To provide a method of repairing and replacing a flexible joint of a closed conduit, and a repair and replacement structure therefor, allowing repair and replacement of the flexible joint in a short time without needing watertight constr...  
JP2010101149A
To provide a bubble preventing water channel structure for a water discharge passage in a power station which prevents the generation of bubbles in the water discharge passage to discharge cooling seawater used in the power station to th...  
JP4451553B2  
JP4443796B2  
JP4441460B2  
JP2010043502A
To provide a transport device of a concrete product by which minor adjustments in orientation of the product can be performed smoothly by installing a minor adjustment mechanism between a carriage and the product placed on its supporting...  
JP4411245B2  
JP4412700B2  
JP2010024695A
To provide a device for preventing fish from straying and entering, installed in a portion where the quantity of water varies largely such as an intake or an outlet to surely generate sound for evading fish even when it is affected by va...  
JP2010024716A
To provide an arched cover with wheels hardly allowing the wheels to run off a track without complicating its structure.The arched cover includes a body 10 curving to project upward, first wheels 31 disposed on both ends 11 and 11 of the...  
JP4410286B2  
JP2010501750A  
JP2010501749A  
JP2010007441A
To cope with depletion of oil resource by generating power from natural energy.An energy problem can be solved by generating power from infinite natural energy. For example, a tidal power generator J utilizes the ebbs and flows flux and ...  
JP2010001671A
To shorten a working time to improve work efficiency while reducing labor associated with the replacing and transporting work of a covering member for use in preventing the scatter of dust during cleaning work performed on a pipe.A main ...  
JP2010001673A
To construct a system for removing refuse adhering to a screen of a water tank without spending much cost.There is provided a method of operating the refuse removing system 1 which is applicable to the case where water from a water sourc...  
JP2010001669A
To provide a hydroelectric generating system which can synthetically and efficiently operate each hydroelectric generating equipment.This hydroelectric generating system, in which the plurality of pieces 1 and 2 of hydroelectric generati...  
JP2009299285A
To provide an electric screen capable of greatly enhancing durability of an electrode bar and capable of preventing the intrusion of fish etc.This electric screen 100 comprises the plurality of electrode bars 40 which are suspended to a ...  
JP2009299456A
To provide a power generating device and a power generating method with a simple structure, capable of effectively converting energy of water to electric energy, for example, by use of the discharging pressure of water discharged from a ...  
JP4382987B2  
JP2009281087A
To provide an abrasion diagnosis method and an abrasion diagnosis system, estimating an abrasion loss and an abrasion shape due to sediment of water turbine parts or the like of a hydraulic power plant.In this abrasion diagnosis method f...  
JP2009274976A
To provide a method for preventing adhesion of organisms that surely prevents adhesion of aquatic organisms and the like to equipment for circulating and storing sea water or water without exerting bad influences on the environment or th...  
JP4364427B2  

Matches 601 - 650 out of 5,990