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JPH01296322A |
PURPOSE:To automatically maintain a liquid level at an intermediate level by arranging at least a pair of upper and lower liquid level detecting elements connected with each other in series at different liquid level positions in a main t...
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JPH0138648Y2 |
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JPH0138647Y2 |
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JPH01276022A |
PURPOSE:To obtain an automatic liquid quantity adjusting device which does not cause an erroneous detection, can vary the set quantity and can adjust the liquid quantity with high accuracy by using a CCD camera as a liquid level sensor a...
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JPH01271808A |
PURPOSE:To always keep the amount of the refrigerant solution at a proper level within a tank by opening or closing a bent valve according to a fact whether a superconductor is soaked in the refrigerant solution in the tank or not. CONST...
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JPH01155518U |
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JPH01155517U |
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JPH01155516U |
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JPH01266608A |
PURPOSE:To curtail the number of connecting lines between a liquid level control means and an input/output means, and also, to give and receive many data by connecting both of them by a serial data transmission line. CONSTITUTION:Setting...
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JPH01260511A |
PURPOSE:To always keep the level of a vessel constant by providing a drain pipe in which an aperture is provided at almost the same level position as the set level of a level detector, and a feed pipe to perform feed to the bath when the...
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JPH01148827U |
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JPH01250826A |
PURPOSE: To obtain a system in which the interface level of fluid in a rising pipe corresponds to the same level in a vessel by mounting a nuclear level measuring unit on a substantially vertical rising pipe communicating with a sediment...
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JPH01246601A |
PURPOSE:To facilitate start and stop by obtaining a required generator capacity by fuzzy inference based on the rainfall calculated by a radar information analyzing means and its change rate. CONSTITUTION:A controller 10 in a rain water ...
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JPH0144983B2 |
In accordance with this invention, a circuit for controlling an automatic making system of a refrigeration apparatus is disclosed. The device includes an electrical circuit which operates the ice making machine using a light interrupter ...
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JPH01245314A |
PURPOSE:To suppress the start/stop of an unnecessary pump and to allow rain- water pumps to safely correspond even to the sudden increment of an inflow rate by controlling the number of pumps in consideration of an inflow rate estimate e...
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JPH01135506U |
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JPH01135360U |
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JPH0142564B2 |
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JPH01226010A |
PURPOSE:To surely obtain optimum discharge volume corresponding to inflow volume by automatically calculating a maximum objective discharge volume value less than the inflow volume by an arithmetic unit and instructing the opening of a g...
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JPH01219618A |
PURPOSE:To shorten a water supply time by continuously detecting a rise in a water level at the time of the supply of water to a water storage tank, by arranging a forward pipe having a pump connected thereto and a return pipe having a p...
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JPH01216412A |
PURPOSE:To construct a tough process control system by prohibiting an abnormality processing when abnormality continues until a time set on a timer for a process input/output device (Pio) elapses. CONSTITUTION:When it is decided that the...
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JPH01120218U |
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JPH01201709A |
PURPOSE:To automatically maintain a underground water vein by providing a setting part to specify intake flow in accordance with the water level of a well for observation. CONSTITUTION:A setting device 2 outputs automatically the total q...
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JPH01200418A |
PURPOSE:To reduce the error between the inflow and the outflow of a dam and to ensure the stable control at a flood by correcting the upstream flow rate obtained from a water level based on the value of the upstream flow rate and the inc...
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JPH01191210A |
PURPOSE:To realize a constant water level control which scarcely causes a control delay even when the variation of the inflow quantity is frequent by using a predictive inflow quantity and an actual result inflow quantity at the time of ...
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JPH01190815A |
PURPOSE:To simplify a device, in a control device having a discharge gate open/close control device and a discharge simulation test control device in which no arithmetic unit is provided, by interruptedly utilizing the arithmetic unit in...
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JPH01189708A |
PURPOSE:To obtain a level sensor with high identification capacity for a level by providing a ternary pipe whose one end is coupled with a detector, whose other end pierces through a prescribed position at an eddy cylinder, and whose oth...
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JPH01185710A |
PURPOSE:To control a water level with high accuracy corresponding to a various kinds of initial conditions by performing the control of the water level with a prescribed value when the water level in a tank at the time of starting feedwa...
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JPH01183710A |
PURPOSE:To obtain a compact water level controller having high accuracy and high reliability by connecting serially between an electrical open/close valve that works via a water level sensor and a switch that works via a float put in a w...
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JPH01183711A |
PURPOSE:To obtain a compact water level controller having high accuracy and high reliability by driving a motor-driven open/close valve based on the state signals of a level sensor and a switch. CONSTITUTION:When a water tank 1 is filled...
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JPH01180016A |
PURPOSE:To execute the water level detection of high accuracy even in case of a low water level by storing a value to correspond to a desired water level in a control means, detecting that the water level in a tank is less than a prescri...
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JPH01178825A |
PURPOSE:To prevent the lowering of water level detection accuracy even when parts are replaced and to facilitate replacement at the time of trouble, by unifying a coil unit containing a diaphragm with a circuit unit. CONSTITUTION:A coil ...
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JPH01178824A |
PURPOSE:To accurately detect the position of a liquid level on the basis of a current value, by bonding a superconductor to a float and allowing a current to flow to an electromagnet so as to hold the float at a definite position against...
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JPH01177110A |
PURPOSE:To stably keep the level of a service reservoir within a fixed level despite a sudden change of the water demand value by deciding the number of actually working pumps with increase/decrease of the number of working pumps decided...
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JPH0122952Y2 |
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JPH01175613A |
PURPOSE:To control the number of units in waste water/rain pump group by means of unattended and automatic operation by providing a means which predicts and operates the maximum value and minimum value of water levels in a pump well in a...
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JPH0199029U |
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JPH0199028U |
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JPH01164448A |
PURPOSE: To release a very small quantity of a sample necessary for an analysis within an error of 1% by fixing a spherical material of a specific structure to the end of a rod to form a pipette and holding the free end of the pipette ob...
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JPH0197225U |
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JPH0191914U |
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JPH0120395Y2 |
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JPH01152513A |
PURPOSE:To improve the reliability of a water level control action by providing a pump which stops sending liquid when a fixed time passed after the input of a starting signal and a pressure detector which outputs the starting signal whe...
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JPH0188104U |
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JPH0187383U |
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JPH0127444B2 |
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JPH01135501A |
PURPOSE: To automatically control the supply quantity of a liquid, by dividing a container into a liquid inlet side and a liquid outlet side by means of a vacuum retaining wall, detecting the liquid level of the liquid inlet side and by ...
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JPH0127370B2 |
A molten metal surface level detection system has an ITV camera 12 at an appropriate place where it is neither thermally affected by the molten metal surface portion nor obstructs the site jobs and means for dividing the image on its mon...
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JPH0118230Y2 |
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JPH0179112U |
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