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JP3483305B2 |
PURPOSE: To miniaturize a water level control device, improve its productability and facilitate its maintenance by forming the device in such a way that a power relay is ON/OFF according to the magnitudinous reration between a voltage in...
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JP2003345446A |
To efficiently treat sewage by easily keep the water level of a nitrifying treatment part 3 within a set range. A main inflow passage 7 including a weir 9 for adjusting an inflow opening area, and a sub-inflow passage 8 including a pump ...
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JP2003535397A |
Method for controlling the level of a liquid (2) contained in at least one vessel (3), which comprises the following operative steps: inserting a measure tube (1) in the liquid (2); arranging an auxiliary duct (6; 21) inside or outside t...
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JP2003330548A |
To provide a dam water level control device, a dam water level control method, and a dam water level control program capable of controlling a dam water level appropriate to the variation trend of the dam water level without intervention ...
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JP2003330547A |
To provide a dam water level control device, a dam water level control method, and a dam water level control program to control a dam water level by adjusting a discharging quantity without hunting of the dam water level.In a water level...
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JP2003290058A |
To save the electrical power by using a dedicated device, and to improve filtering accuracy in a filter device for a bath tub and a pool.An inverter is used for a filtration pump, and efficient filtering and power save can be obtained th...
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JP2003523488A |
(57) [Summary] The present invention relates to a wireless automatic water level adjusting method and its system, and comprises an intake well (24) for taking in raw water, a pumping means (22) for pumping raw water in the intake well (2...
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JP2003202924A |
To provide a water distribution control method in a water purification facility capable of realizing power saving, and having increased versatility.When performing a series of water distribution processing in a water purification facilit...
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JP3411616B2 |
PURPOSE: To provide the device and method which can remotely confirm that when the sending destination of liquid is switched from one tank to the other tank, remotely operated valves provided on the liquid sending path to the latter tank...
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JP3409989B2 |
To provide a device capable of accurately feeding the prescribed amount of liquid bleaching agent to be inserted to a finish washing tank provided in an automatic cleaning system as the device low in cost and having corrosion resistance....
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JP2003149034A |
To provide a liquid quantity measuring device for exactly measuring the quantity of liquid materials stored in a vessel, especially those used in semiconductor production process and the like, and a liquid supply method used for the liqu...
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JP3394144B2 |
To attain stable water level control by relaxing the secondary influence on the fluctuation of the water level of a pressure reduction well generated due to the movement of a control valve at a downstream side. A main opening degree M1 i...
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JP3393730B2 |
PURPOSE: To reduce the hunting phenomenon of molten steel surface level, and overshoot and undershoot by obtaining the molten steel head from the molten steel wt. in a tundish and beforehand deciding the optimum drawing velocity from the...
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JP2003096863A |
To provide an adjuster which allows a user to arbitrarily adjust the volume of water, such as toilet flushing water, retained in a water storage tank, so as to freely vary water consumption, even at a time except an installation time.Thi...
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JP2003083794A |
To obtain a liquid level controller which obtains an accurate level of liquid whose temperature has been corrected by measuring pressure to avoid the poor influence to the liquid, operates a drain pump based on the liquid level, and cont...
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JP3388320B2 |
PURPOSE: To suppress the transient fluctuation of a level due to void change by controlling the pressure of steam flowing out of a steam drum when the water level of the drum is changed by the increment/decrement of void in a coolant. CO...
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JP3379856B2 |
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JP3381280B2 |
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JP3375370B2 |
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JP3373830B2 |
To shorten a cycle time of each layer formed in the case of manufacturing a three-dimensional article. The three-dimensional shaping method comprises the steps of holding a large quantity of polymerizable liquid 11 on a layer formed ahea...
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JP3373377B2 |
To transport a liquid container whose upper part is opened at high speed without excessively rocking a liquid level by obtaining an acceleration change in a moving direction so that an evaluation function is made to be minimum based on o...
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JP3373553B2 |
PURPOSE: To execute the stable control of molten metal surface level by always deciding the optimum control gain corresponding to the variation with time of the process gain during casting. CONSTITUTION: The molten metal surface level in...
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JP3370900B2 |
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JP2003021259A |
To provide a liquid level detection cutoff valve usable for a volatile combustible fluid safely and inexpensively manufacturable.This liquid level detection cutoff valve comprises a valve body 1 provided with a main valve seat 4 between ...
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JP2003502833A |
A fuel measuring system includes a package adapted for mounting to a fuel storage vessel. The package includes an electro-statically shielded enclosure. A processor element is disposed in the enclosure and is adapted for coupling to a fu...
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JP3361525B2 |
A system for dispensing liquid from first and second containers is disclosed herein. The liquid dispensing system includes a first media transfer line, positioned in liquid-flow communication with the first container, for transferring li...
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JP3359026B2 |
A stereolithography method and system for producing three-dimensional plastic objects by forming a plurality of thin layers of partially cured plastic material which are thin cross sections of the desired object. A layer of polymerizable...
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JP3351615B2 |
A tube is inserted into a first liquid layer, and an air bubble is generated at a tip opening of the tube. The tube is then moved toward a second liquid layer while retaining the air bubble, and a change in the internal pressure of the t...
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JP3349533B2 |
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JP3349531B2 |
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JP3349532B2 |
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JP3344141B2 |
PURPOSE: To eliminate the deficiency in water level on a demand for water supply and suppress the operation/stop frequency of filter pumps low. CONSTITUTION: As for the predicting device for the number of filter pumps in operation when w...
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JP2002254157A |
To provide a swelling control method for a liquid surface even when a vessel stored with a liquid is subjected to the prescribed horizontal displacement and tilting displacement.In the control method for controlling the swelling of the l...
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JP2002248547A |
To provide a supply apparatus and a supply method of molten metal, which apparatus can supply a fixed volume of molten metal from a blast furnace to a tundish, monitor the level height of the molten metal in the tundish and cope with a f...
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JP3318742B2 |
To provide a control device for molten metal surface in a mold, with which the molten metal surface in the mold can stably be controlled to a constant, level even in the case of receiving the effect of a periodical disturbance. A periodi...
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JP3314224B2 |
PURPOSE: To enable positive water level detection with relatively simple constitution and perform action control correctly according to the change of water level. CONSTITUTION: The grounding conductor GL of a sensor control circuit SC is...
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JP3309809B2 |
To effectively restrain even a minute change of a molten metal face arising from waving by inputting a deviation into a nonlinear compensation element which becomes a low gain character when a deviation between a set value and detected v...
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JP2002195497A |
To provide a liquefying device with a reduced equipment cost without requiring a complicated control system.The liquefying device comprises a container 1, a feeder means for feeding gas (vaporized LPG) to the container 1, and a heat exch...
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JP2002182750A |
To perform the intermittent control of a powder level in a polyester polymerization reaction tank by using an intermittent power level meter.The controller has a change quantity operation part 22 operating the volume change quantity of a...
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JP2002178120A |
To quickly shift a continuous casting operation into a stationary control by stabilizing a molten metal surface level when the casting is started while holding optimally a fixed command control characteristic at the stationary time to a ...
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JP3293193B2 |
PURPOSE: To calculate the amount of water discharged from a weir and continuously and automatically control the gate opening of the weir irrespective of the relation between the water level on the upstream and downstream sides of the wei...
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JP3290205B2 |
PURPOSE: To exert an anticorrosion effect by automatically discharging only the ballast water in an oil tank from a drain nozzle and controlling the level of the ballast water, etc., within the oil tank to a specified range. CONSTITUTION...
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JP3283568B2 |
PURPOSE: To provide the optimum automatic operation control method for a water conveyer capable of easily and optimumly conveying water at a low cost. CONSTITUTION: This method is provided with a pump group 10, water tank 11, a water lev...
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JP2002140118A |
To solve both a problem caused by rippling on a liquid surface and a problem caused by fluctuations of supply pressure to a valve, by simple structure.In this valve gear for a tank of which the valve 1 for making and breaking the supply ...
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JP3277864B2 |
To enable the holding of effective control by instantially following to the frequency even if the frequency of variation of bulging molten metal surface varies with casting speed. The control method of the molten metal surface level in a...
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JP3271242B2 |
To efficiently and drastically reduce the variation of bulging molten metal surface during stationary casting. This molten metal surface level control device is provided with a molten metal surface level meter 4 for detecting the surface...
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JP3268488B2 |
To prevent an underwater pump from failure even if it cannot suck sewage water in a sewage tank by abnormality and the like in a water level detector. When a water level sensor 12 detects that the water level of sewage water in a sewage ...
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JP2002069460A |
To provide a system for measuring an extending width of an emulsion layer in a desalting vessel with a high accuracy and at real time.In the desalting vessel 4 in which the emulsion layer 14 being formed by introducing a crude oil having...
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JP3263593B2 |
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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JP2002018563A |
To attain the reduction and the stabilization of residual steel quantity in a tundish and to reduce a crop in sequentially continuous casting by accurately detecting molten steel level in the tundish.A sensor 20 composed of a primary coi...
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