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JP10026424 |
To obtain a stable supply apparatus for protecting hot spring resource wherein stable supply of a hot spring to utilization installations is ensured and excessive hog water lifting is prevented. A water level of a relay tank 4 is control...
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JP2740110 |
PURPOSE: To return a vacuum valve quickly to an original state after the vacuum valve driven by a vacuum was driven. CONSTITUTION: When the inside of a liquid-level detecting pipe section 56 is decompressed suddenly, pressure in a pressu...
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JP10020938 |
To prevent the occurrence of a temporary disconnection line at the time of switching the output signal of water level detectors in a detector switching device. The system is provided with received water tanks 10A and 10B, the water level...
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JP10018369 |
To provide a water storage device and a supply water control unit which are constituted in such a manner that they can ensure a predetermined amount of service water in a water storage tank when facility provided with the water storage d...
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JP10015379 |
To facilitate volumetric dilution when the values of specific gravity are different by a method in which after a strong acid solution being sent form a raw liquid tank to a strong acid measuring tank, given volume of the acid solution is...
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JP09330130 |
To control the supply of liquid with simple and inexpensive structure. A liquid supply port 22 is opened upwardly in a liquid passage 20 which communicates a high and a low liquid level side, and an elevation cylinder 40 which opens and ...
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JP09318009 |
To provide a feed water flow rate control device for a boiler to provide an increased life far a rotary apparatus through reduction of the number of starting or stopping times of a feed water pump and hardly cause production of the rapid...
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JP09319438 |
To prevent the occurrence of flood or inundation by guiding the flowing water of river to a water channel while controlling a dividing gate, and regulating the water level of the downstream side from the dividing gate. The information on...
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JP09304163 |
To improve speed and accuracy for controlling a liquid metal surface level by performing processing to compensate a temperature of a detection coil and influence from disturbance and also performing wave detection at high speed with high...
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JP09305237 |
To contrive the freezing prevention and dead water prevention of an FM valve without adding a device such as a freezing prevention device to the water tank by arranging the FM valve at the bottom part in the tank. The FM valve 4 is provi...
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JP09305238 |
To detect and display a water level according to the pressure of air which is discharged into water from an air discharge part. The air fed from a control unit 13 to an air discharge part 11 through an air tube 12 is discharged into the ...
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JP09303286 |
To restrain the fluctuation of a sewage volume discharged to a post- stage facility by stopping the operation of the first sewage pump of small capacity, upon the operation of the second sewage pump of large capacity against the inflow o...
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JP09295115 |
To hold control accuracy good all over the operations including the movement of an unsolidified rolling reduction device and to contribute to the improvement of product yield by effectively restraining the variation of molten metal surfa...
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JP09297622 |
To adjust the liquid level in a state where the supply/discharge of liquid is reduced as much as possible for a separation tank by placing a liquid eliminator in the separation tank and varying the capacity of the liquid eliminator to th...
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JP09282010 |
To provide a water level controller which can precisely maintain a water level to be constant. An amounts operation part 22 calculates the inflow amount of water stored in a dam at present. An inflow amount prediction part 24 calculates ...
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JP09268959 |
To provide a liquid surface sensing valve in which an orifice is not clogged with foreign material, foreign material is not accumulated at the bottom part of a valve body and the valve body is not lifted up with a force of fuel vapor whe...
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JP09257545 |
To accurately detect a liquid level of melting paste without being influenced by paste vapor or the like, and maintain it constant by supplying paste to a paste receiving tank by melting solid paste by a heating means on a storage tank i...
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JP09253818 |
To effectively restrain the variation of molten metal surface level developed in the inner part of a mold according to the movement of rolling reduction or release from the rolling reduction in an unsolidified part rolling reduction devi...
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JP09237122 |
To control a condensate flow rate so as to exercise restraind on the permissible variation of NPSH (the suction pressure of a pump in the downstream of a deaerating equipment) to be max. Control change-over means (6, 11, 12, 13, 14, 15, ...
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JP09235720 |
To provide a control system which produces a stabilized water level drop speed. When starting a water level changeover operation at a target water level computation/discharge quantity computation unit 8, a regulated period, which attains...
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JP09218715 |
To obtain a fixed liquid flow-out quantity by hanging a container with liquid inside by means of the pulling coil spring of a specified spring constant and providing a manually operated valve at this side of a flow-out end. Max. liquid w...
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JP09212211 |
To reduce the cost and time of repetitive practice in simulation by reading out accumulated data stored in individual storage means and calculating various quantities of new dam control with a start command for retrial. According to oper...
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JP09192810 |
To improve the quality of a cast slab by accurately restraining the variation of molten steel surface level at the time of eroding a sliding nozzle in a continuous casting equipment. In order to restrain the rising of molten steel surfac...
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JP09192591 |
To shorten the measuring time of a coating amt. while ensuring predetermined measuring accuracy and to measure coating thickness capable of enhancing the control accuracy of film thickness. When a coating material in a coating vessel is ...
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JP09178093 |
To provide a new device accurately maintaining the level of low temperature liquid in a vessel. This device 10 controlling the level of low temperature liquid 14 in a vessel 12 is provided with a transfer pipe 50 to a pressure supply tan...
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JP09174215 |
To obtain a cast slab of high quality without causing breakout and reduced casting speed by executing adaptive control of molten metal surface level. The molten metal surface level in a mold 2 is measured during continuous casting, and t...
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JP09174214 |
To stably pour molten steel without influence on splash by obtaining a time until the molten steel surface level in a mold comes to the stable range of measurement with a molten steel surface level meter in the molten steel surface level...
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JP09168848 |
To prevent the quality deterioration and the break out of a cast slab due to the occurrence of bulging by adjusting the opening degree of an immersion nozzle of a tundish based on the measured value of the bulging of the cast slab during...
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JP09164474 |
To always execute the optimum molten metal pouring control corresponding to each mold without bringing about too much or too little of the molten metal pouring quantity regardless of the thickness of a mold caused by the contained moistu...
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JP09160654 |
To eliminate the need to set complicated parameters only by setting only an upper and a lower limit value as target values of water level and perform water level control at low cost with good response. A water level sensor 2, a drainage ...
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JP2659347 |
PURPOSE: To provide a water level sensor which is allowed to perform setting of a water level securely, simple in handling, and to make the set water level easily confirmable. CONSTITUTION: This water level sensor is used for an automati...
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JP09146608 |
To reduce the drop of a molten metal surface level controlling accuracy against disturbance within supposed process variation even when the characteristic of a molten steel flow rate is changed in a linearized model of a steady casting s...
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JP09141075 |
To provide an automatic liquid quantitative mixing device used in a method of automatically and quantitatively mixing liquid by which a liquid mixture of prescribed concentration is accurately adjusted irrespectively of physical properti...
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JP09138237 |
To obtain an automatic liquid supply system in which liquid can be replenished and replaced relatively simply without stopping the operation of an analyzer. A tank 44a is coupled through a liquid supply line with a large capacity liquid ...
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JP09138708 |
To speedily suppress a hunting phenomenon at the time of hunting a water storage level. When a hunting state is detected by the change of the measurement value of a water level meter 24, a target discharged water quantity (a) correspondi...
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JP09136149 |
To achieve the restraining effect of variation of molten metal surface level in a mold so as not to vary as the stationary time even in the unstationary state developing the variation of molten metal quantity in a tundish, etc. The molte...
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JP09136150 |
To restrain the variation of molten steel level in a mold with a simple control movement and the min. time of sliding of a sliding nozzle at the lower part of a ladle. In a control system of molten steel level in a tundish, the sliding n...
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JP09133484 |
To provide a liquid level controller for an air conditioning heat exchanger capable of reducing the size of a vessel so that it may be more compact-sized. There are provided a vessel 5 which forms an air phase area (d) in a space higher ...
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JP09122864 |
To restrain the variation of molten metal surface in a mold in starting casting and the rising speed of molten metal surface in the case of being quick speed at the initial stage. At the time of shifting from the start of the casting to ...
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JP09122863 |
To provide a control method of a stable molten metal surface at the initial stage of casting by changing a control pattern of the molten metal surface level in accordance with starting condition. An operation part 8 inputs the molten ste...
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JP09120315 |
To make it possible to keep the level of produced liquid at specific level even when the discharge of the liquid product is regulated on demand from the downstream side of a plant. A flowmeter 11 detects the inflow of a liquid raw materi...
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JP09108803 |
To avoid the danger of overflow and breakout of molten steel even in case of an auto-start system. In a mold level control system of a continuous casting equipment keeping the molten steel level in the mold to the constant by drawing out...
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JP2635944 |
PURPOSE: To provide an automatic water-feeding system for rice paddies which can attain exact water feed without troubles caused by grasses, refuse or small animals such as insects and can simply change the water level. CONSTITUTION: A s...
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JP2634108 |
PURPOSE: To provide control method for molten metal surface level in continuous casting, by which the molten metal, surface level can be always kept to stability by quickly and suitably keeping up with any disturbance. CONSTITUTION: A fe...
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JP2635260 |
PURPOSE: To restrain the variation of molten metal level by executing the feedforward of variation in the drawing resistance of a cast slab to the operating quantity of a sliding nozzle. CONSTITUTION: In a control device for level in a m...
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JP2634106 |
PURPOSE: To stably keep a molten metal surface level by assuming that disturbance variables are defined as flow rate disturbance and the variables are changed in a ramp-state or sine-wave, calculating a correcting signal cancelling the d...
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JP2637941 |
PURPOSE: To provide a bathtub water quantity controller with which the quantity of hot water in a bathtub is automatically controlled by remotely detecting the quantity of hot water in the bathtub from the increase of the temperature of ...
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JP2635297 |
PURPOSE: To maintain the rotation rate of water inside a basin equal to or more than a prescribed value, to prevent the deterioration of water quality such as chlorine density decline or the like and to secure a hygienically required wat...
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JP09105661 |
To provide a monitoring device for water tank which makes it possible to grasp whether a water tank is full or low in level. The monitoring device for water tank comprises bar-like elements 8A, 8B to be fixed to at least the upper or low...
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JP09101824 |
To provide a desalting device liquid face controlling method capable of solving problems such as the variation of operation by correcting the indication error of a floating type liquid-level meter arranged in a desalting device even when...
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