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Patent Searching and Data


Matches 301 - 350 out of 3,129

Document Document Title
JP2007253170A
To provide a method and a device for controlling a molten metal surface level in a mold for continuous casting machine by which even in the case of not generating molten metal surface fluctuation as effectiveness to the outer disturbance...  
JP3959935B2
To provide a device and a method for controlling a flow rate capable of stabilizing a system when anomaly occurs with flow regulating equipment such as pumps, valves, and gates installed in a water channel for transporting water between ...  
JP3942653B2
PURPOSE: To stably maintain fluidized catalytic cracking by keeping the pressure in a riser cyclone in operation higher than that in a reactor vessel and by keeping the pressure in a direct-coupled cyclone low. CONSTITUTION: A hydrocarbo...  
JP3944398B2
To provide a control method at a low cost by which a molten steel surface level inside a mold can be stably maintained even if an operation condition is changed in continuous casting. The method controls the molten steel surface level in...  
JP3940548B2
To prevent a flooding disaster in the peripheral area of a river adjacent to the sea or a bay. This device comprises an information input means 2 for inputting weather information, rainfall information, river level or tide level informat...  
JP2007514999A
A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with operation of a valve. The method, system, and co...  
JP2007512953A
A fully automated system that controls the water purification unit based on distillation. Control parameters in the system include an overall power input fuse (2) that protects against electrical shorts, a manual reset switch (3) that re...  
JP3901919B2
To provide an apparatus for controlling the discharge of fluid which can efficiently operate a steam ejector with a simple structure. While a water level is rising until a control rod 10 engaged with a stopper member 25 at an upper engag...  
JP3895405B2
To speedily and securely discharge an air bubble formed in a liquid feed pipe, extending from a discharge port to a liquid injection place, to the atmosphere. This liquid injection device includes an intermittent operation type pump 1 wh...  
JP3129502U
To provide a water level control device using a power frequency carrier, in which information of a water level control device is directly transmitted to a user's control room via an indoor power unit. A liquid level monitor signal unit i...  
JP3879602B2
To provide a control device for liquid level position which requires no motive power to adjust the liquid level of test fluid and prevents the test liquid from being volatilized resulting from heating, an environment from becoming worse ...  
JP3858247B2
To provide an efficient and economical hot spring supply management system that can protect hot spring resources, serves to save energy, is simple in arrangement, allows easy maintenance, and is low in power consumption and in facility l...  
JP3806148B2
Chiller operating efficiency is optimized by controlling the system to maintain the condenser liquid refrigerant level at a value which will minimize or prevent gas bypass to the evaporator. This is accomplished by sensing the level of l...  
JP3800713B2
To efficiently water distribution and to improve the durability of a control water distribution facility controller by reducing the frequency of control operation as much as possible. A water level gauge 12 is installed in a water distri...  
JP2006171845A
To provide a dam water level control system that adds data about levels of water at upstream points in the same water system of a dam to the criteria for determining whether or not control is required, thereby making it possible to deter...  
JP3783968B2
A method for draining condensate off a compressed-gas system that traps condensate that collects during operation of the compressed-gas system, draws off collected condensate through an outlet, connects a trap volume and a purging device...  
JP3779809B2
To accurately measure a molten metal surface level by detecting on-stage and off-stage of the electromagnetic coil pulse and by measuring the molten metal surface level only at off-stage of the pulse. A molten metal 3 is cast from a nozz...  
JP3765964B2
To provide a safe and reliable operation in case of flood by reducing the decision error of a discharge quantity. A pre-discharge operation, a flood operation, an abnormal flood operation, and a post discharge operation are conducted by ...  
JP3741798B2
A valve for detecting a liquid surface used in a fuel tank is formed of a valve body having an orifice at an upper part thereof, a plurality of bottom through-holes formed at a bottom part thereof, and a plurality of surrounding wall thr...  
JP2006017549A
To provide a monitoring device of a liquid storing case capable of liquid level monitoring by arranging a plurality of radio tags.This device has the liquid storing case including the radio tags installed on a plurality of spots respecti...  
JP3734690B2
To provide a liquid level detector capable of detecting a plurality of liquid levels by means of a single sensor arranged in it. Four liquid levels of a high limit, a low limit, a high high limit, and a low low limit are detected by usin...  
JP2006004154A
To provide an automatic gate controller that reduces a control error as much as possible and permits accurate control without increasing a load on and drive current for gate facilities for a dam or the like.The gate automatic controller ...  
JP2005293133A
To provide a water level controller capable of easily detecting any anomaly with a water-level gauge.The water level controller 20 includes a water-level gauge 9 with an air discharge part 3, an air supply tube 4 and a water-level detect...  
JP2005291630A
To provide a stock level estimation method capable of providing a stock level in a short cycle, a stock level estimation program, a stock level estimation device, and a method of operating a waste gasification melting furnace in the wast...  
JP2005257678A
To provide a metering device allowing a strict delivery process.In this metering device having a medium storage device, at least one medium passage for transferring a medium, and at least one delivery port for carrying a medium out, a co...  
JP3695941B2
To automatically correct a planned distributing flow rate corresponding to a distributing reservoir water level or the like. The planned distributing flow rate and a planned intake flow rate are set beforehand. After a distributing reser...  
JP3693753B2
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...  
JP3678557B2
To surely detect a short circuit between electrodes and a failure of a relay, etc., with a simple circuit, by comparing the operation of electrodes immediately above and below the current water level following the water level changes. In...  
JP2005190091A
To provide a cooling device avoiding the overheating state of a heat generating matter caused by deterioration in cooling capability by detecting the shortage of the liquid quantity of the coolant of the cooling device, and electronic eq...  
JP2005144435A
To provide a filtration device for filtering very fine powder, which filters out the very fine powder, while reducing and/or detecting the generation of a tear and/or a covered section of a sieve screen.A sieve screen level detector for ...  
JP3656326B2
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...  
JP3647639B2
To calculate remaining reservoir quantity for each pur-pose in a dam reservoir and to distribute the remaining quantity. A discharge calculation means 1 calculates discharge in accordance with the water level of a dam, a purpose-sorted d...  
JP2005099895A
To provide an automatic water level control apparatus for a water storage tank that can prevent chattering and can be operated mechanically.The automatic water level control apparatus 4 comprises a feed valve 10, a piston pump 20 and a p...  
JP2005099894A
To provide an automatic water level control apparatus for a water storage tank that can prevent chattering.The automatic water level control apparatus 4 for a water storage tank comprises a feed valve 40 comprising a piston valve, a firs...  
JP3627841B2
To obtain a sensor which controls a water level and which automatically detects the amount of salt when salt and water are put into a container so as to form a saturated salt water, which precisely replenishes salt, which controls the su...  
JP2005054533A
To provide a gate control device capable of continuously performing gate operation based on different gate control information even during the operation of a gate.A control part 11 prepares gate control information 17 corresponding to an...  
JP3625367B2  
JP3618966B2
To keep the state of glass in a smelting tank to a uniform condition by adjusting the liquid level in a smelting tank for melting a glass material according to the flow-out of the glass. A 2nd smelting tank 6 for melting charged glass ma...  
JP2005021898A
To provide a molten metal surface level control process in continuous casting by which the satisfactory control of a molten metal surface can be performed even in the case where the variation in the molten metal surface caused by unstead...  
JP3614285B2
To prevent the erroneous detection of a water level with a simple circuit constitution by adding a half-wave rectifier circuit to the input side of a water level detector to supply a current to a current detection circuit only when the A...  
JP3599790B2
PURPOSE: To control the number of revolutions of a liquid supply pump while using simple liquid level detecting means for outputting an ON/OFF signal, to prolong the life of an apparatus by reducing the number of times of ON and OFF of t...  
JP3583318B2
To provide the driving controller of a well pump, where malfunction does not occur when power is started. Since a starting control circuit 11 operates and the smoothing capacitor C1 of a pump driving control circuit 10 is charged by the ...  
JP3582378B2  
JP2004526251A
A device for establishing and/or monitoring a predetermined fill level in a container is provided, which also operates stably in liquids with surface waves, which includes: a mechanical oscillatory structure placed at the height of the p...  
JP3544705B2
PURPOSE: To miniaturize the liquid supply controller and to facilitate maintenance inspection and liquid level control. CONSTITUTION: A casing 31 is fixed to a tank 21 by a nut 23, and a pilot valve mechanism 34 pivotally supporting the ...  
JP3524764B2
To provide an inspection device by which the inspection of a water level detection switch is performed precisely while effectively utilizing time. The inspection of the on-operation of an overflow switch 21 is performed by judging whethe...  
JP3513381B2
To realize a detecting method of a liquid face level in a mold at low running cost, with reference to a method and device to detect the liquid face level in the mold for detecting a liquid face level of a molten metal in the mold in the ...  
JP2004006621A
To provide a bulk chemical replenishing delivery system for highly pure raw material chemicals in which a bulk container can be replaced without contamination.The bulk chemical replenishing delivery system is equipped with a manifold 22....  
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...  
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 ...  

Matches 301 - 350 out of 3,129