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JP2022175277A |
To provide a dust removal device for water in-take that can suppress the suction pressure rising due to screen clogging by dust without maintenance of removing dust and mud accumulated on the screen, etc.A dust removal device for water i...
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JP7156732B1 |
[Problem] To stabilize the river maintenance flow rate and eliminate the need for periodical sediment removal work. A sand discharge tank (5) includes a bottom (11) and wall portions (12-15) formed integrally with the bottom (11) and ris...
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JP7142191B2 |
The disclosure relates to a hydropower generator, and more particularly to a hydropower generator which has a compact and simple structure, efficiently generates electric energy by arranging multistage blade assemblies along a flow path ...
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JP2022134063A |
To provide a universal great wall type power generation embankment that utilizes the height difference between tides and river flows caused by the gravitational force of the moon.A two-layered wall and a space where water can be taken in...
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JP2022132705A |
To provide reversible pump-turbines used for storage of electrical energy.The present invention establishes a required plant cavitation coefficient by positioning reversible pump-turbines with motor-generators, generally well below tailw...
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JP2022126564A |
To provide an intrusion prevention tool which can properly suppress clogging due to water plant etc. while properly suppressing intrusion of aquatic life such as apple snails into a water inlet.An intrusion prevention tool 10 attached to...
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JP2022126571A |
To provide a power generating facility which can increase a power generation amount when power supply is tight by generating power, by making water flow in which energy of high pressure water pressed by high pressure air is added to pote...
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JP7119836B2 |
To search a location suitable for a hydraulic power plant easily and efficiently.A development support device 10 comprises: a high luminance region extraction part for extracting a high luminance region in a river in an object area of an...
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JP7116506B1 |
An object of the present invention is to prevent or reduce clogging of a water intake. A water intake structure (30) includes a bottom (11), walls (12-15) integrally formed with the bottom (11) and rising from the peripheral edge of the ...
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JP2022115034A |
To store water in a water storage tank by utilizing surplus power at night and daytime and to make stored sea water fall in a power stringency, to generate power by a pumping power generator.By utilizing surplus power at night and daytim...
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JP2022109852A |
To provide a device for converting wave energy on the sea into power energy.A large float catches a surge wave by an arm mounted on its tip through a hinge, vertically moves a large-sized compression pump, and generates a large air flow ...
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JP2022107134A |
To solve the problem of the renewable energy such as solar power generation is currently less than 5% of Japan's total energy consumption, and considering CO2 reduction and the issue of fossil fuel depletion in a countermeasure against g...
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JP7097245B2 |
To provide a floating body device which can satisfactorily grasp a position on a water passage, and can equally maintain a distance between right and left wall surfaces of a water passage.A configuration of a floating body device 100 per...
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JP7092857B2 |
To provide a biological inflow control device, a biological inflow control system, and a biological inflow control method capable of suppressing the inflow of organisms into an intake channel.A biological inflow control device 10 compris...
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JP2022094094A |
To provide a hydraulic pipeline renewal method that allows reduction in the quantity of materials and equipment carried into a work site and reduction in preparation work, and allows improved work efficiency by dispensing with special wo...
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JP2022089119A |
To solve a problem that construction cost is huge and suitable construction sites are few since an upper dam and a lower dam are required for a pumping power generation.In a pumping power generation method, only one dam is constructed an...
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JP2022071776A |
To provide a management method for a seawater circulation system that can discharge sludge remaining in an intake pipe, etc. without supplying it to a cooler.A seawater circulation system comprises an intake pipe, a plurality of branch p...
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JP7057966B2 |
To provide a maintenance method of a water intake/discharge device capable of more easily taking a measure such as a repair work and a reinforcement work of a joint part for the purpose of maintenance of the water intake/discharge device...
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JP2022059754A |
To provide a drain operation control device capable of automating an operation of a power generating device at the time of draining a conduit of a hydraulic power generating facility.A control device of a power generating device at a tim...
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JP7049410B2 |
To provide an aeration device for a water channel and an inspection method of a water channel capable of suppressing creature extinction in a water channel with remaining water.An aeration device 10 for a water channel supplies air into ...
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JP7042200B2 |
To provide a monitoring system capable of accurately detecting a floating object flowing in a water channel.The monitoring system 1 includes: a monitoring camera 300 which photographs a water channel which supplies water to a facility; a...
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JP7037106B2 |
To provide an inspection work bench allowing safe and efficient inspection work of a dust collector.An inspection work bench 10 of a dust collector of the present invention comprises a pair of detachable connection plates 12 mounted betw...
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JP2022038038A |
To provide a rainwater utilization power generation system that can generate electric power by effectively using energy possessed by rainwater, and can improve the appearance of buildings.A rainwater utilization power generation system g...
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JP7023803B2 |
To provide a monitoring system that can detect accurately floating matter that flows in a channel.A monitoring system 1 includes: a monitoring camera 300 that images a channel for supplying water to facilities; a binarization processing ...
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JP3236417U |
To provide an apparatus for ensuring stable vertical movement of a buoyancy tank of a power plant. This is a device for ensuring stable vertical movement of a buoyancy tank of a power plant including a support base 1, a locking bar unit,...
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JP2021195776A |
To provide a screen device and a hydraulic power generation device that can eliminate the need of complicated screen regeneration work and prevent a decrease in the power generation efficiency of the hydraulic power generation device cau...
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JP2021188565A |
To effectively utilize water for power generation when starting a power generation operation and shorten time required from a start to the power generation operation starting.A hydraulic power generation system 1 includes: a generator mo...
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JP2021188494A |
To provide an aquatic organism adhesion prevention device for a drop type tide power generation turbine.An aquatic organism adhesion prevention device for a drop type tide power generation turbine includes a first support plate 1 and a s...
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JP6969809B2 |
To provide a power generating system enabling reduction in the size of a machine facility, space saving and enhancement of efficiency when introducing hydroelectric power generation to a high rise building.A plurality of floors constitut...
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JP6964213B2 |
To provide an inexpensive plant by reducing the energy cost of power, etc., for a plant factory.A plant factory using power acquired from a microhydraulic power generation system as a power source for the plant factory in which the micro...
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JP2021165504A |
To provide a power generation system that performs hydraulic power generation by circulating ground water without using siphon pipes.A power generation system 100 is composed of: a production well 110 fluidly connected to a position 112 ...
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JP2021161812A |
To provide a screen structure which solves a problem in a prior art, and can be more easily installed in a shorter period of time compared to a conventional screen structure, and a construction method for the same.A screen structure is a...
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JP2021156157A |
To provide a power generation system and a power generation method that can convert the kinetic energy at the time of discharging sediment accumulated in a dam reservoir into electric energy and effectively utilize the energy at the time...
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JP2021143667A |
To generate energy by converting a buoyant force of air emitted at a water bottom and floating in the water into a rotational force.An air tank is provided on a water bottom in order to transfer a large amount of low-cost air from a fan ...
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JP2021139256A |
To solve the problem that nuclear power that is dream-like energy for human being consuming limited resources and enjoying prosperity causes uncontrollable disasters as reported by media.In order to use both surging wave and ebbing wave ...
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JP2021133563A |
To provide a low-fall, low-flow hydroelectric power generation system that can effectively utilize the flow of water and has excellent durability.A hydroelectric generator placed in a water channel includes: a rotor which is fixed direct...
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JP2021121718A |
To provide a power generating system and its power generating method which can effectively generate and consume electricity.A power generation system 1 includes a dock 2, a power generation part 4 that is provided in a water injection ch...
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JP2021116546A |
To provide a low cost and stable irrigation water management system using irrigation canals.An irrigation water management system 100 includes a first hydroelectric power generator 1 located in a main line channel 5, second hydroelectric...
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JP6913982B1 |
To provide a water intake device capable of automatically limiting water intake and returning water intake without using electric power. This is an intake device 10 installed in an intake channel C that takes in water from a river R, and...
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JP6906094B1 |
To appropriately present area information which is a basis for predicting a state quantity of a dam. An input unit 12 for receiving first time series information Q1, Q2, Q3 which is flow rate information of a river 102 in an upstream are...
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JP6882902B2 |
To provide a shaft structure to allow head loss to be minimized and a water cut-off method for the shaft structure.In a shaft structure 10, a channel 2 provided under the ground is connected to a shaft 1. The shaft 1 comprises a stop-log...
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JP6873444B2 |
Disclosed is a system for using energy-storing water pipes (1-3) of multiple high-rise buildings to generate electricity, the system comprising an energy-storing water pipe apparatus (1), a lower water pipeline apparatus (2) fitting with...
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JP6864416B1 |
To utilize the abundant river resources flowing out from mountainous areas since ancient times, paying attention to the fact that they have not been fully utilized. When river water is stored and expanded by a narrow difference U-shaped ...
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JP2021059836A |
To provide hydraulic power generation using difference of elevation without causing serious affect like damming up of large rivers for storing water like existing river dam power generation, forest destruction and river level.Water is ta...
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JP2021041399A |
To provide the beginning of a never-ending dream to transform the desert areas of Iran, Iraq and Afghanistan into fully automated agricultural, fishing and forestry countries.A dream town in which is introduced world latest technologies ...
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JP6842068B2 |
To provide an intake screen and an intake device to which the intake screen is attached that can secure a large quantity of water intake without making a height of the intake screen higher and can remove dust deposited on a surface of th...
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JP6840451B1 |
To provide a new wall on the outside of a wall of a hydroelectric power generation device for collecting fluid using a wall to create a water channel, and to apply a pressure applied to the wall of the hydroelectric power generation devi...
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JP6832496B2 |
To provide a water intake/discharge port structure and a method for constructing the water intake/discharge port structure which is superior in workability, economical efficiency and safety compared to conventional ones.The water intake/...
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JP2021014739A |
To provide a rotary hydraulic power generating system that purifies water previously treated as domestic waste water for recycling, and in which a water passage is formed in a spiral shape in a purification process of purifying water unt...
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JP6814627B2 |
To provide a construction method for constructing a discharge pipe which allows a discharge channel to be easily constructed by precisely installing a pipe body with a curve.A top end of a temporary pile 21 is exposed on-water after a gu...
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