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Matches 601 - 650 out of 5,916

Document Document Title
JP4249890B2  
JP2009511783A  
JP4237765B2  
JP4236959B2  
JP2009036114A
To improve hydraulic turbine efficiency and preventing generation of noise and vibration by inhibiting vortex flow caused by a partition wall of a horizontal channel.This generator set is provided with a vertical shaft valve type hydraul...  
JP2009013643A
To provide an inexpensive water channel inspection device allowing a worker to inspect a water channel in a power station.This water channel inspection device 10 allowing the worker to inspect the water channel 1 in which water stream fl...  
JP2009013642A
To provide a water channel cleaning device allowing a worker to clean the inside of a water channel inexpensively without stopping the operation of a power station.This water channel cleaning device has a mechanism provided with: a propu...  
JP2009002412A
To provide an aeration confinement arrangement which can prevent air from mixing into a liquid flowing through a channel which causes vertical head drop by a simple configuration.An aeration confinement arrangement 10, which is arranged ...  
JP4205827B2  
JP4202226B2  
JP2008297733A
To provide chemical injection equipment for a water intake, which reduces a maintenance operation by preventing the accumulation of scales.A circular injection pipe (1) for injecting a chemical solution for the prevention of the adhesion...  
JP4183651B2  
JP4184803B2  
JP2008261091A
To provide a technology of enabling dredging operations to be performed in a non-powered manner with a high degree of efficiency without use of large-scale equipment.This dredging conveyance system comprises: a dredging section 10 which ...  
JP2008261090A
To provide a technology of enabling dredging operations to be performed in a lower-powered manner with a high degree of efficiency without use of large-scale equipment.This dredging conveyance system comprises: a dredging section 10 whic...  
JP2008248570A
To provide a coastal structure which can prevent the invasion of jerry fish etc. even if mechanically-operating facilities are not installed, and which dispenses with the disposal of the jerry fish etc.In revetment 3, an intake 4 and an ...  
JP2008202219A
To provide a construction method for preventing the lift of an underground structure, which can make an occupied area of a road small, and which can reduce construction costs.This construction method for preventing the lift of the underg...  
JP4139858B2  
JP2008175724A
To implement a flow rate measurement at the high accuracy in a piping route of a hydraulic power station which can not ensure a predetermined straight pipe length.A flow rate measurement method implements: the analysis process of impleme...  
JP2008169615A
To provide a cleaning device capable of removing a substance adhered to a wall surface of a water channel in a hydraulic power station safely without stopping operation of the hydraulic power station.This cleaning device 1 for removing t...  
JP4122595B2  
JP2008156980A
To provide a utilization method of a dead track site of a railway by which the dead track site of the railway in a mountainous area requiring conservation of its natural environment, in particular, can be effectively utilized while makin...  
JP2008144361A
To provide a water management device of a dam capable of not only utilizing the water to be discharged in power generation without wasting it but also discharging sands efficiently to prolong the service life of the dam, increasing the q...  
JP4104453B2  
JP2008133632A
To provide an efficient method and system for duct line hydraulic power generation usable at places where the efficiency of a turbine is low since water level difference is small or places where the use of the turbine is difficult since ...  
JP2008516107A  
JP2008111281A
To provide a concrete member installation structure which can correct locational deviation between a side wall block and an upper wall block of a box culvert when the latter is installed on the former.The side wall block 3 and the upper ...  
JP2008106443A
To enhance the efficiency of a buried-pipe filling method for filling an internal space of the buried pipe by injecting a filler such as slurry mortar into the unused buried pipe from its one end, and to reduce working hours.This pipe cl...  
JP2008106497A
To provide a sand removing device in a dam capable of suppressing costs of investment in facilities to a comparatively small extent, being installed even in an existing dam without any difficulty and trouble, and preventing organic pollu...  
JP2008101374A
To provide a dust prevention device which rotates a roller without pulling a suspended matter into it, and thereby prevents degradation of a dust prevention function.The dust prevention device 10 prevents a suspended matter in a water cu...  
JP4064670B2  
JP4054763B2  
JP4057224B2  
JP4054427B2  
JP2008038404A
To secure an air passage in a tunnel-like discharge channel, and at the same time to reduce propagation of noise of a waterwheel in the tunnel-like discharge channel.The tunnel-like discharge channel 20 for discharging water 21 used for ...  
JP2008038357A
To always monitor a sealing plate rotatably hung on a support member and rocked by the force of waves generated in the seawater, in a curtain wall of a soft structure, which is installed at an inlet located in front of a power plant inst...  
JP2008038359A
To provide a device which enables a penstock cleaning operation to be safely performed without the installation of a scaffold.This penstock cleaning device 9 comprises a rope 6 which is long enough to be wound around the penstock 1, a du...  
JP2008038426A
To provide a flexible water stop joint for improving its performance of stopping entering water which turns around the inside of a flexible water stop member while avoiding the rupture of a waterproof sheet due to the deformation of a jo...  
JP4049306B2  
JP4049699B2  
JP2008029934A
To provide a method and an apparatus for restraining the abnormal proliferation of Flagellatae, in each of which the abnormal proliferation of flagellatae can be restrained efficiently, which was a problem difficult for the conventional ...  
JP2008025224A
To provide a method of reducing industrial waste by reducing discharged sludge, and efficiently and positively connecting pipe bodies together.According to the method, a receptacle of the pipe body 1 has a closable pipe lid 30A which can...  
JP4043399B2  
JP4043129B2  
JP4039890B2  
JP4040103B2  
JP2008008008A
To provide a water discharging facility which minimizes an influence on a water discharging area.The water discharging facility is provided with a main channel 2, a progressively extending channel 3 formed so as to progressively extend, ...  
JP2007538185A  
JP2007309052A
To provide a device for preventing fouling and a method of preventing fouling which prevent interference between a current used for preventing fouling and a cathodic protection current prevent the change of the surface state of an electr...  
JP4014000B2  

Matches 601 - 650 out of 5,916