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JP6462872B2 |
Provided are a control device for water intake equipment for a nuclear power plant and water intake equipment for a nuclear power plant wherein ensuring a constantly appropriate amount of cooling water in a water intake tank makes it pos...
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JP6439430B2 |
To provide a float for a wave power generation device having a low risk of failure of a power generator by being effected by salt water, and capable of keeping high maintainability of the power generator.In a float for a wave power gener...
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JP3219345U |
To provide a water intake device for a reservoir that effectively prevents dust from entering the water intake. A slanted pipe 5 arranged on an inclined surface 3 of a basin with one end side in the length direction on the upper side of ...
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JP6435552B2 |
To provide a response method to emergency which may occur in constant installation, in a wave power generation device on the coast.In an emergency response method of a wave power generation device 10 having a pile 12 vertically disposed ...
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JP6418623B1 |
To provide a large number of water flow generators in a short straight line distance by bending a water channel reciprocating in the horizontal direction, and to easily install a pillar supporting the water channel. It provides a waterwa...
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JP6419624B2 |
To provide a water intake system capable of decreasing the amount of unnecessary objects entering the inside through a water intake port.A water intake system 1 for taking water from a water source via a water intake port 2 includes: an ...
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JP6406965B2 |
To provide a water intake device offering high intake efficiency for surface water and reducing a burden of maintenance and management work significantly.The present invention relates to an intake device 10 for surface water comprising a...
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JP6401138B2 |
To provide a water inlet with freezing preventive function capable of obtaining effective freezing preventive effect with a simple configuration.A water inlet 1-1 is formed by covering an opening 13 for water intake formed on a river bot...
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JP6393893B1 |
To provide a curtain type water channel having a structure capable of more withstanding the water pressure generated when the speed of the water flow is increased by making the outlet of the water channel narrower than the inlet. By arra...
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JP2018145721A |
To provide a screen for hydraulic power generating equipment in which removal work of debris is unnecessary.A screen 1 for hydraulic power generating equipment that is installed in flowing water has a plurality of rod-shaped bodies 10 th...
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JP6388263B2 |
To provide a water intake device which enables a water storage tank to be filled with water even when a flow rate of the water in a channel is low by adjusting the flow rate of the water flowing over an upper surface of a screen.The wate...
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JP3217909U |
To provide a buried structure capable of easily burying an contained object such as an electric wire or a pipe in the ground. The buried structure 100 is buried in the ground in a state where the contained material is housed therein, and...
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JP6377832B1 |
To provide a power generation device capable of efficiently generating power by utilizing ocean currents and tidal currents which are natural energy. A seawater flow path 6 penetrating the inside of a box-shaped device main body 1 and op...
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JP3217044U |
To reduce a work man-hour and a work time at a site and to increase the strength of a joint portion between a precast concrete lid and a main body of the underground structure to increase the strength of a precast concrete top plate or a...
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JP2018096088A |
To provide a water intake facility which is inexpensive with a simple structure and applicable to existing water intake facilities and which can remove dust adhering to a screen while continuing water intake, and a method of using the sa...
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JP6344737B2 |
To provide a buoy capable of arranging a device constituting the buoy highly precisely at a position proper for the sea surface.A buoy 10 is characterized by comprising: a device 12 having a structure for exhibiting a specific function; ...
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JP6338610B2 |
To accurately predict a disaster of a pipe conduit laid underground.A pipe conduit disaster prediction device comprises an input part 12 acquiring a prediction range of an earthquake disaster with a predetermined section as a unit, a pip...
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JP6330978B1 |
Provided is a simple intake gate control system capable of shortening the operation period at the lower limit output of the generator. During normal operation, the intake channel water level WL is raised to the fully open position so tha...
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JP3216248U |
To provide a pumping device suitable for supplying electric power to agriculture and processing facilities for agricultural products in a depopulated mountainous area nationwide where a steep waterway exists while the running cost of man...
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JP2018066250A |
To provide a method for constantly introducing sea water used for a power source for power generation in the sea to a high land.Jetty which uses a sawtooth-shaped coast and is opened to the seaside along its bay with a constant angle is ...
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JP2018053500A |
To provide a nondestruction type underground pipe reconstruction method which can implement a reconstruction work safely without using a special cutter head to break a steel bar and a steel ring joint.A nondestruction type underground pi...
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JP2018044338A |
To provide a burial method that enables an object to be efficiently buried in ground.A burial method for an object includes a step of forming a space for arranging the object in ground, and a step of installing the object in the space. T...
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JP6298255B2 |
To provide a lift prevention method capable of being applied as aseismatic countermeasures to either of new and existing underground buried pipes, by using an existing back-filling construction method, without the need for large-scale co...
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JP6290491B1 |
To provide a method for joining a concrete structure in which a joining state of a plurality of joined concrete structures is suitably maintained even when an external event is received. This is a method of joining concrete structures, i...
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JP6286300B2 |
To propose a joint structure fixing a water stop securely and enabling a high-quality construction even when a pair of concrete members facing each other via a joint part is constructed at the same time.A joint structure includes a joint...
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JP2018028312A |
To provide a water intake means for deep water that is utilized at a deep water temperature difference power generation device.This invention relates to a deep water intake means comprising a deep water storage tank provided with a water...
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JP2018024993A |
To provide a concrete block capable of being connected to another concrete block, even when the concrete block is cut at any position in the longitudinal direction.A concrete block 10 includes a block body 11 having an internal open spac...
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JP2018025185A |
To remove a string-shaped dust twining around a waterwheel.A controller executes control processing including: the step of determining whether a predetermined condition is established or not (S100); the step of clearing a counter when a ...
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JP2018016998A |
To enhance strength of a connection between a precast concrete cover and an underground structure, while reducing a number of man-hour and work time at a site.A fixing structure for a concrete roof of a hollow underground structure inclu...
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JP2018003313A |
To install a hydraulic power generation system, without imparting alteration to an existing sand control dam.In a hydraulic power generation system installed on the downstream side of a sand control dam body in which a notch and a sleeve...
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JP6257120B1 |
[Subject] It is considered as a fish preserve by forming a net an inflow mouth and near an outlet head an ocean current using a curtain type waterway, and a curtain type waterway is provided with new industrial value. [Means for Solution...
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JP6253159B2 |
The present invention provides a water-retarding chamber structure capable of reducing construction cost and increasing energy gain. A water-retarding structure for a wave-power energy conversion device for wave-power generation that con...
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JP6234397B2 |
To provide a method for reducing adhesion of an aquatic organism to water intake facilities at low cost, the method that can be applied to the operating water intake facilities, may not generate environmental pollution, and eliminates th...
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JP6229227B2 |
To provide a cut-off device for a water intake, excellent in cut-off function.In a cut-off device 1 for cutting off a water intake 33 of a water intake facility constructed at a water source, there are provided: a water cut-off plate 2 p...
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JP2017201083A |
To continue power generation by a generator and to suitably scour sand accumulated in a water tank while maintaining a permitted water-intake amount in a run-off-river hydroelectric power plant.A water level adjusting device includes: a ...
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JP2017197949A |
To provide a technology for realizing an appropriate air chamber of a wave power generation system.A wave dissipating block 1 comprises a standard wave dissipating block 70 having only a general wave dissipating function, and a power gen...
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JP6223235B2 |
To prevent damage on a cable while reducing the construction cost, and shortening the operation time.A cable removal device is used for removing a cable 15 laid in the ground while being housed in troughs Tr1. The cable removal device ha...
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JP6205536B2 |
To utilize hydraulic power utilized in small-scale hydraulic power generation as a water for initial hydrant at the time of fire disaster because most intermediate mountainous areas suitable for small-scale power generation have fire ext...
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JP2017155549A |
To effectively inhibit and reduce dust including drift wood flowing into an intake port, without causing increase in the size of the facility scale, trouble according to installation work and cost, and without having an adverse effect on...
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JP6184216B2 |
To provide a method of burying an unnecessary pipeline, capable of simply and quickly covering the unnecessary pipeline.A method of burying an unnecessary pipeline comprises: inserting a rotary cutter 2 into the inside of an unnecessary ...
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JP2017137653A |
To perform high-efficiency water-power generation by extremely-low hydraulic drop of an irrigation channel.A head race is installed in extremely-low hydraulic drop of an irrigation channel. Closed channel-type water turbines are arranged...
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JP6176778B2 |
To provide a tidal force power generation device capable of realizing a high efficiency power generation utilizing tidal flow.This invention comprises a main body 2 floating on a water surface formed with a flow passage 2h into which wat...
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JP6158989B1 |
[Subject] While reducing a danger that power generation will stop, a small-scale-hydropower device which generates electricity using up-and-down space is provided. [Means for Solution] Power generator 1 is provided with the Hydrographic ...
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JP2017106197A |
To provide a power generating method which generates an electric energy by using effectively a water amount without wasting the water amount even without using a large apparatus against a water passage of a small variation in the water a...
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JP2017067090A |
To prevent floating of an underground pipe in re-burying the underground pipe.A base for underground pipe includes at least: a column; a mounting tool attached to the column and capable of mounting an underground pipe thereon; a fixture ...
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JP2017066826A |
To provide a joint method of a concrete member and a precast member, which can form a highly precise junction structure without being affected by mortar injection pressure when the concrete member and the precast member are joined with a...
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JP2017048632A |
To improve power generation efficiency, in a hydraulic power generation system installed in a plurality toward the downstream side from the upstream side of a water passage.In a control method of a hydraulic power generation system of in...
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JPWO2015029165A1 |
According to the present invention, even if a pumped storage power generation device is installed offshore, the ups and downs of the pumped storage portion and the power generation portion can be suppressed regardless of the amount of wa...
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JP6080761B2 |
An installation for producing supplementary electrical energy for an electricity network includes at least first and second water reservoirs, the first water reservoir (311, 312) being situated at a first level and the second water reser...
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JP6075738B2 |
The invention relates to a mooring device that is suitable for use in water. The mooring device includes a pile configured to be embedded in a floor supporting the body of water, at least one arm configured to engage at least one entity,...
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