| Document |
Document Title |
|
JP07197434 |
PURPOSE: To simplify operation and to facilitate maintenance and management by carrying out a series works from storage to release of fish continuously, from a fish luring position to a fish releasing position. CONSTITUTION: A conveying ...
|
|
JP07158038 |
PURPOSE: To maintain stabilization of power generation efficiency in power plant and water supply in purification plant by reducing water cut operation to discharge accumulated sand from a sedimentation path of a water channel for water-...
|
|
JP07150598 |
PURPOSE: To maintain and control a coduit to help going-upstream of fish by forming the conduit by arranging a water intake apron on the upstream side of a floor stopper, forming a part of the floor stopper as a notch and forming the jus...
|
|
JP07127039 |
PURPOSE: To absorb the impact of boulders and the like flowing down and prevent the damage of a skeleton by placing asphalt flatly on backing concrete, and fixing a protecting sheet of specified thickness with specified elasticity and st...
|
|
JP07119134 |
PURPOSE: To allow fish to go upstream more effectively. CONSTITUTION: A plurality of gates 1 are arranged at every specified distance and the tap height of the gate 1 is variable with the rotary movement of a rod arm 3. In such a fish la...
|
|
JP07113222 |
PURPOSE: To stabilize operation of an automatic constant volume dispensing device so that a dispensing pipe discharge port is not rapidly opened and closed by regulating operation of a valve disc connected to a float. CONSTITUTION: A pip...
|
|
JP07097808 |
PURPOSE: To provide a river with a water channel having the predetermined a running water slope within the range of a short distance, and undertake a ground construction work within a small extent for providing a weir. CONSTITUTION: Cuto...
|
|
JP07097806 |
PURPOSE: To secure a water volume optimum for fishes to go upstream, even when the water level of a river changes, and realize a formation with a simple ground construction work. CONSTITUTION: A bypass channel 2 is formed at the side of ...
|
|
JP07097807 |
PURPOSE: To ensure fishes to go upstream with a small number of collapsible weirs, and undertake a ground construction work for providing the weirs within a small extent and in a simple way. CONSTITUTION: A pair of collapsible weirs 2 an...
|
|
JP07097809 |
PURPOSE: To form a step type water channel in a river through the application of a simple construction, and undertake a ground construction work to a small extent for providing a collapsible weir. CONSTITUTION: A low level collapsible we...
|
|
JP07090828 |
PURPOSE: To simplify structure of an outflow preventive part of bubble to the ocean and the like and to easily and economically correspond to existing facilities to discharge through a discharge channel provided underground by post-insta...
|
|
JP07082727 |
PURPOSE: To provide a fishway having a channel slope suitable to the coming-up of fish in a narrow space to guide the fish caning up a river to the upper stream side of a dam. CONSTITUTION: A spiral fishway 5 is provided in a vertical di...
|
|
JP07067495 |
PURPOSE: To increase the percentage of the migratory fishes going upstream by preparing a fishway which has a salt concentration gradient. CONSTITUTION: Sea water is pumped up by the pump 10, then made to flow out in the fishway 12 so th...
|
|
JP07062630 |
PURPOSE: To prevent a fish pass or a branched channel from wearing or breaking by gravel flowing-in through a watercourse, by a method wherein the bed of a waterway is divided into two parts and a coefficient of roughness of the surface ...
|
|
JP07062637 |
PURPOSE: To guide fishes to the upper reaches of a dam without installing a long and large water channel. CONSTITUTION: Fishes which run up a river 2 are induced into a fish transfer vessel 9 in watertight structure. A door 23 of a fish ...
|
|
JP07062631 |
PURPOSE: To prevent a fish pass or the like from breaking, by a method wherein the bed of a watercourse ranging from the top part of a structure such as a dam body to the downstream side of the structure is divided into two beds in the d...
|
|
JP07062636 |
PURPOSE: To improve the constructing efficiency and abrasion resistance of a structure, by a method wherein asphalt is placed on an apron and asphalt mats are laid down thereon, in each of which a plurality of projections such as stones ...
|
|
JP07054331 |
PURPOSE: To make it easy for fishs to ascend a river and in its turn maintain ecosystem of the fishes by arranging a plurality of blocks, having a specific configuration in multiple stages and multiple rows on the lower side on the downs...
|
|
JP07042139 |
PURPOSE: To reduce the cost by erecting a water storage wall at a step section of a river or the like, opening the upper and lower ends to the upstream and downstream, and providing multi-stage ascent chambers inside. CONSTITUTION: The f...
|
|
JP07034434 |
PURPOSE: To provide a discharge valve such that in an intermediate opening of a gate body an original, excellent flow-rate adjusting function is fulfilled, while in a totally closed state high sealing performance is ensured for complete ...
|
|
JP07034433 |
PURPOSE: To shorten construction period of a concrete dam. CONSTITUTION: A frame is built on the body of a dam constructed up to the position of effluent pipe setting by concrete placement. Pipes 3a as divided pies of an effluent pipes 3...
|
|
JP07034435 |
PURPOSE: To eliminate complicated operations on a gate or a guidance light as much as possible. CONSTITUTION: In sluice chamber type fishway equipment, in which fish going- upstream is guided into a dam reservoir 12 by filling/dischargin...
|
|
JP07034437 |
PURPOSE: To ease management by providing a plurality of discharge ports with an opening/closing gate on a dam body wall surface, making steps, and connecting the ports to the downstream of a river via stepped, inlet channels and relay ch...
|
|
JP07034438 |
PURPOSE: To make constant both the movement of a levee crown and an overflow depth of each gate. CONSTITUTION: A gate ascent/descent driving mechanism storing chamber 3 is formed under a floor plate 2 of a fishway 1, and the floor plate ...
|
|
JP07034436 |
PURPOSE: To improve functions by lifting both water and fish being received by a vessel in the down-stream wall surface of a dam, up to the neighborhood of the top of the dam, releasing the water and fish toward the upstream wall surface...
|
|
JP07011619 |
PURPOSE: To eliminate drainage for work by sinking a binding cut-off apparatus equipped with a service tank with a weight into the water, covering a part of work to drain inside water in order to make atmospheric pressure, and pouring wa...
|
|
JP07003755 |
PURPOSE: To simplify the structure of a rising and lowering fishway gate, to eliminate the need for motive power, to facilitate maintenance and control of the gate, and to reduce the cost. CONSTITUTION: In a vertically moving fishway gat...
|
|
JP07003756 |
PURPOSE: To simplify the structure of a fishway gate by connecting each of overflow type gate main bodies to floats that rise and fall following fluctuations in water level inside recesses provided in the side wall of a channel, etc., an...
|
|
JP07003753 |
PURPOSE: To simplify maintenance and control by eliminating the need for power means such as a hydraulic cylinder device, means for detecting water level and control means. CONSTITUTION: In a fishway gate which comprises a plurality of t...
|
|
JP07003754 |
PURPOSE: To simplify the structure of a fishway gate, to eliminate the need for motive power, to simplify civil engineering work, to reduce the construction cost of the gate, and to simplify maintenance and control of the gate. CONSTITUT...
|
|
JP06330516 |
PURPOSE: To enable fish to cross over an inverted gate main body installed at the end on an upper stream of a fishway or the middle part thereof surely and easily. CONSTITUTION: An overflow board 3 directed to a lower stream is provided ...
|
|
JP06316958 |
PURPOSE: To facilitate drainage work and provide an economically advantageous drainage device by providing in the wall of a waterway a sluice gate, a drainage pump insertion hole through which a drainage pump can be taken in and out, a c...
|
|
JP06306838 |
PURPOSE: To improve a hydrophilic property by changing optionally a shape of water discharged from a valve opening. CONSTITUTION: In a discharge valve constituted in such a way that a valve body 4 is connected in a concentrical form to t...
|
|
JP06294113 |
PURPOSE: To make it possible to adjust the water level and the flow rate stepwise in accordance with the level, by stacking concrete blocks having a hollow with the slant central axis against the surface, in an uneven or parallel state t...
|
|
JP06289187 |
PURPOSE: To provide a discharge type power generation device for nuclear power plant which recovers the water head energy of the warm sea water as electric power, in the discharge into a drain pit from the power generation plant equipmen...
|
|
JP06289186 |
PURPOSE: To provide a syphon type drainage device which drains the warm sea water which is used for cooling in a power generation plant and discharged into the sea without generating bubbles and white darkening, and is free from the brea...
|
|
JP06280239 |
PURPOSE: To construct a fish way, employing precast concrete fish way blocks, at low cost for a short period of time, and to make the fish way accommodative to weirs constructed in optional heights. CONSTITUTION: A fish way block 10 is m...
|
|
JP06272223 |
PURPOSE: To prevent breakage of a purifying device by disposing a panel having a net part at a right angle to the flowing direction of a river in such a manner as to be freely removable and be turned (raised and fallen) to purify the riv...
|
|
JP06272232 |
PURPOSE: To simplify in structure, construct in small size and enhance in responsiveness an unmanned and non-powered spillway gate. CONSTITUTION: In a gate 1 in which a float 7 is interlocked with a gate body 3, a valve body 12, which cl...
|
|
JP06272228 |
PURPOSE: To faiclitate manufacture, transportation of blocks and execution of the work by separately manufacturing a main block having an imitation stone surface and a hollow trapezoidal sub-block in a factory and integrating these two b...
|
|
JP06264428 |
PURPOSE: To control discharge without need of power facilities for adjustment of a gate at the position corresponding to a water level meter for detection of a cut-off level and also corresponding to the cut-off level. CONSTITUTION: This...
|
|
JP06264430 |
PURPOSE: To obtain a simple waterway at low cost where fish can rise to the upstream, by arranging fishway blocks having an erected member with a cut-off part at the top at the place with different levels, on the bottom of a U-shaped blo...
|
|
JP06264429 |
PURPOSE: To obtain a waterway where fish can rise to the upstream, by laying down stepwise flat blocks having walls at the slant face forming the water way with a level difference so as to form both pool area and connecting path to flow ...
|
|
JP06257125 |
PURPOSE: To free the movement of fish and facilitate the repair of fishways by adjacently arranging a plurality of fishway block bodies, and by mutually communicating the water flow passages of the adjacent fishway block bodies. CONSTITU...
|
|
JP06254307 |
PURPOSE: To provide a device for removing suspended matter having the function capable of more completely washing a water purifying passage. CONSTITUTION: A water purifying passage 1 where raw water to be purified flows, a raw water stor...
|
|
JP06257126 |
PURPOSE: To free the movement of fish and facilitate the repair of fishways by making a fishway passage of the space of a compound fishway block in which a plurality of fishway block bodies are adjacently arranged. CONSTITUTION: A fishwa...
|
|
JP06248629 |
PURPOSE: To enhance sedimentation effect and reduce the load of a water treatment plant by installing a flow baffle material made of an impermeable cloth or the like to the lower part of a sloping assembled body having a sedimentation si...
|
|
JP06246114 |
PURPOSE: To efficiently treat the excess water of dredging by packing granular filter media having specific sp. gr. into filter tanks, providing plural units of these filter tanks and successively executing the operations of passing the ...
|
|
JP06240649 |
PURPOSE: To facilitate a fishway work in a place where a river bed is changed owing to a damage by a flood by a method wherein a plurality of blocks each comprising a bottom structure part and a standing-upright structure part are interc...
|
|
JP06220829 |
PURPOSE: To prevent a scouring sluice from being blocked by the discharged sediment by providing the large-diameter scouring sluice capable of coping with a flood at the bottom section of a dam body, providing a scouring path downstream,...
|
