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Patent Searching and Data


Matches 601 - 650 out of 5,966

Document Document Title
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  
JP4368517B2  
JP4358369B2  
JP4344703B2  
JP4339199B2  
JP2009209606A
To provide shear reinforcement structure capable of reducing labors and times for execution work, capable of shortening a term of works, and capable of preventing a shear reinforcement effect from getting low.This shear reinforcement str...  
JP2009203342A
To provide a stainproof coating composition capable of sustaining the stainproof effects for a long period.The stainproof coating composition contains [A] an elution-controlling agent containing one or more kinds of modified silicone oil...  
JP2009197546A
To provide a water intake control system in an inflow power plant capable of supplementing the control of opening of a dam side water intake gate according to the operating conditions of a generator.This water intake control system in an...  
JP2009191851A
To provide a device for performing hydraulic power generation without being constructed to improve power generating efficiency with a hydraulic water stream resulting from deep draft, and for performing water quality purification while s...  
JP2009179932A
To provide a vertical shaft forming method for enabling efficient repair by enabling vertical shaft excavation which does not cause the lengthening of a construction period and a deterioration in workability even if another existing pipe...  
JP2009165986A
To provide a cleaning method which scrapes and removes deposits such as scale and red rust adhering on an inner wall of piping, realizing safety in work without using a chemical agent used in chemical cleaning and wastewater treatment wi...  
JP2009161998A
To provide a branch part structure of an underground construction, which can flexibly cope even with a branch part at which groove channels such as utility tunnels cross at an oblique angle, by preparing a plurality of precast corner wal...  
JP2009155966A
To provide an air entrainment inhibiting device having a simple structure by which the air is inhibited from being entrained into the water passing through a flow passage causing a drop and flowing into a pipe line which is connected to ...  
JP2009155967A
To provide a water jet suppressing device having simple construction for suppressing water jet from the exhaust port of an air exhaust pipe which is provided for expelling air mixed into water distributing in a water channel.The water je...  
JP2009150091A
To sort out the earth and sand flowing into a sand basin according to the particle sizes and materialize efficient discharge of the sand through a sand discharging pipe.The sand basin 1 includes a bottom structure 20 having larger depths...  
JP4286824B2  
JP2009136782A
To provide a method for removing fouling in a pipeline which can remove fouling adhering to the inside of a pipeline at a low cost without stopping a power generator in a waterpower plant.A plurality of spherical bodies 2 stored together...  
JP2009133150A
To provide a shear reinforcing structure which reduces time and trouble for carrying out work, contributes to shortening of a construction period, and prevents degradation of shear reinforcing effect.The shear reinforcing structure funct...  
JP2009127010A
To provide: an antifouling coating material composition which exhibits excellent antifouling effect as designed and is excellent in workability and safety when a coating material is produced and when a coating film is formed; a method fo...  
JP4277181B2  
JP4269310B2  
JP4263434B2  
JP2009095757A
To crush and squeeze twigs or the like of trees, and separate and remove foreign matter without crushing and squeezing, with respect to refuse and foreign matter collected underwater or scraped from the water surface, by a dust removal a...  
JP2009091842A
To provide a vortex sand discharging pipe for discharging sand and sediment or the like accumulated around the vortex sand discharging pipe while operating a generator in a hydroelectric power plant, and a vortex sand discharging device,...  

Matches 601 - 650 out of 5,966