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Patent Searching and Data


Matches 701 - 750 out of 3,129

Document Document Title
JP2509125Y2  
JP2520654B2  
JPH08190434A
PURPOSE: To stop feeding water when a low tank is filled with water by providing a circuit constitution which continues to feed water until the low tank is filled with water even if a water level sensor operates to turn on. CONSTITUTION:...  
JPH08187037A
PURPOSE: To provide an apparatus for automatically stopping a hydrant for irrigation to automatically stop the water discharge when the water level of an irrigation channel reaches the optimum level. CONSTITUTION: This apparatus is compo...  
JP2511938B2
PURPOSE:To detect a water level with high accuracy even at the time of a low water level, by measuring the value from a water level detection means when a water level is zero and calculating the value corresponding to a desired water lev...  
JPH081104U
[Purpose] The automatic photo processing device is made as small as possible so that anyone can develop a large photo when needed at home. [Construction] When the power switch is turned on when starting development, the pump of 2 pumps t...  
JPH08164353A
PURPOSE: To control a lubricating oil liquid level with a small and lightweight device by providing a temp. sensor disposed in a lubricating oil applying device with both of a function as a temp. sensor and a function to monitor the lubr...  
JPH08155616A
PURPOSE: To enable the selection of an optimum type at the time of the current operation from operational information in plural optimum control types to each variation of the different kinds of the molten steel level. CONSTITUTION: When ...  
JPH08147044A
PURPOSE: To stabilize the level of molten metal by performing estimation and correction by using a model generated by representing flow rate disturbance due to nonstationary bulging, etc., as the sum of plural frequencies. CONSTITUTION: ...  
JPH08147042A
PURPOSE: To provide the method which economically and speedily controls the liquid level position in the liquid tank containing a certain amount of liquid into a specific range and the liquid level control mechanism. CONSTITUTION: (i) A ...  
JPH08147043A
PURPOSE: To provide the inflow arithmetic unit which can calculate an inflow in conformity with actual water level variation. CONSTITUTION: The inflow is calculated by a water level variation arithmetic program 31 when the frequency of w...  
JP2503846B2
PURPOSE: To prevent the emptying of water in a feed water tank by ensuring the supply of water to the feed water tank even when the unexpected situation such as service interruption is generated and a feed valve is not opened. CONSTITUTI...  
JPH08137552A
PURPOSE: To omit a calculational work to be performed based on an arithmetic expression and the generation control work of a polygonal data to be supplied to a converter by converting the water level value into the flow rate value based ...  
JPH08126836A
PURPOSE: To provide a liquid level control mechanism having a simple constitution and capable of controlling a liquid level in a short time. CONSTITUTION: This liquid level control mechanism is the one for controlling the level of liquid...  
JPH08129421A
PURPOSE: To provide a pump operation controller which can estimate the change of water level of a pump well and can effectively control the water level by using an operation control circuit which starts or stops the operation of a pump w...  
JPH08113965A
PURPOSE: To make it possible to detect the presence of water leakage, and what is more, to detect the amount of water leakage per leakage time in the case of water leakage in an elevated tank type water supply device which uses a storage...  
JPH08106321A
PURPOSE: To enable an operator to easily and speedily judge variation in the process quantity of a liquid level. CONSTITUTION: A sensor 22 which detects the water level in a tank 201 to be monitored is installed in the tank 201. A proces...  
JPH0891500A
PURPOSE: To introduce a fixed quantity-shipping system which, when a tank truck is loaded with a specified quantity of oil, prevents the load from overflowing the hatch and makes the shipment accurate in quantity. CONSTITUTION: A shipmen...  
JPH0829800B2
Device for controlling the flow of fluid to a container (10), the container (10) having an overflow edge (11) limiting a filling level (2) and leading to an overflow channel (12), on which is arranged a diaphragm (20) acting on a switch ...  
JPH0827206B2
Apparatus for monitoring supply of electrically conductive writing fluid in a reservoir for an ink printing device which has three electrodes with one pair of the electrodes mounted in a region of the reservoir which is constantly moiste...  
JPH0826855B2  
JPH0827102B2
The refrigerant flow control valve has a cylindrical standpipe (26) extending upwardly from the bottom (18) of a liquid refrigerant sump (11), and vertical slots (33) are formed in the sides thereof near the bottom end. On the inner side...  
JPH0827060B2
PURPOSE:To provide an automatic hot water supply device capable of eliminating troubles which increase hot water supply time by repeating water injection and minimizing errors between a bath tub water level and a setting water level in t...  
JPH0857616A
PURPOSE: To enable accurate molten steel surface level control reduced in error by learning a control gain in consideration of the looseness of a driving system of a flow rate adjusting member and the depth of molten steel in a tundish a...  
JPH0854933A
PURPOSE: To provide a liquid level controller which can be suitably applied also to the oil level control of a flier by combining a controller with a weight sensor which detects the apparent weight of a weight that receives the liquid bu...  
JPH0814117B2  
JPH08500974A
PCT No. PCT/AU93/00422 Sec. 371 Date Apr. 21, 1995 Sec. 102(e) Date Apr. 21, 1995 PCT Filed Aug. 18, 1993 PCT Pub. No. WO94/04971 PCT Pub. Date Mar. 3, 1994A liquid level control device adapted to be located in a vessel comprising a firs...  
JPH0830324A
PURPOSE: To provide a method and device for predicting fault of ball tap type constant water level valve with which the fault can be predicted before any serious accident such as filling with water or water supply stop occurs. CONSTITUTI...  
JPH0819846A
PURPOSE: To provide a method for controlling molten metal surface level in a mold for continuous caster, by which changing time of casting speed can further be shortened while controlling the molten metal surface level at a high accuracy...  
JPH0822334A
PURPOSE: To cope with variation in controlled variable by selecting and inputting a physical quantity as a measured value, a controlled variable, and a physical quantity as a set value to a controller and selecting and setting a function...  
JPH0817987A
PURPOSE: To facilitate the control of the amount of a liquid or the position of the liquid level of the liquid and to make it possible to keep the height of the liquid level constant even at the time of relenishment of the liquid by a me...  
JPH084939A
PURPOSE: To facilitate the attachment/detachment of a liquid supply control device to/from a liquid storage tank, and miniaturize the device. CONSTITUTION: A pilot valve mechanism 6 where a liquid supply valve mechanism 2 is connected by...  
JPH081567B2
An interface valve control system for use with a primary, or interface (6), vacuum-operated valve, and characterised in that a secondary valve, that is itself vacuum operated and that, is actuated by the same vacuum as is applied to a ta...  
JPH081566B2
An interface valve control system for use with a primary, or interface (6), vacuum-operated valve, and characterised in that a secondary valve, that is itself vacuum operated and that, is actuated by the same vacuum as is applied to a ta...  
JPH081331B2
PURPOSE:To minimize the lag between the set water level in a bath tab and the water level after heated, by computing and correcting the temperature characteristic value of a water level sensor while heated water supply is stopped for a c...  
JPH084067A
PURPOSE: To constantly feed mixed water of a constant concentration from a supply valve connected to multiple sub tanks by feeding and mixing a constant volume of stock solution and diluted water automatically by signals from three liqui...  
JPH082400A
PURPOSE: To positively prevent the wrong operation of a liquid level detecting means even when the liquid level is largely inclined by the fluctuation of liquid stored in a reservoir body. CONSTITUTION: The upper case 2 of a reservoir bo...  
JPH0755614Y2  
JPH07325627A
PURPOSE: To provide a deaerator water level controller which prevents the operations of condensate pumps and condensate booster pumps from deviating from a proper flow rate range to an excessive flow rate range when a thermal power plant...  
JPH07319555A
PURPOSE: To improve the stability of tank level control. CONSTITUTION: This controller is provided with a low-level movement setting circuit 14 for setting the set low position of a low liquid level setting circuit 12 lower just for prev...  
JPH07319553A
PURPOSE: To simplify structure and to improve reliability by controlling high- pressure liquid without using any large float by providing a float for detecting the liquid surface level on the low liquid surface side and operating a ring ...  
JPH07109568B2
An interface valve control system for use with a primary, or interface (6), vacuum-operated valve, and characterised in that a secondary valve, that is itself vacuum operated and that, is actuated by the same vacuum as is applied to a ta...  
JPH07305865A
PURPOSE: To regulate a liquid level surely with a simple constitution by a method wherein a valve body is operated so as to press a valve seat when the liquid level of refrigerant solution has exceeded a predetermined range while the val...  
JPH07306078A
PURPOSE: To provide a water level sensor for detecting an arbitrary point which can be installed, maintained, and inspected easily and a water level control system using the sensor. CONSTITUTION: The water level sensor is provided with a...  
JPH0749526Y2  
JPH07295654A
PURPOSE: To provide the water level control system which holds the water levels of downstream reservoirs, which branch from the same upstream reservoir and are connected in water processing facilities, etc., within a proper range only by...  
JPH07261849A
PURPOSE: To decrease the frequency of operation of a valve while making up-down variation in liquid level as small as possible and holding the liquid level within a specific range, and to prolong the life of the valve by performing speci...  
JPH0792063B2  
JPH07256420A
PURPOSE: To accurately and quickly hold the molten metal surface level in a mold to an aimed molten metal surface level by accurately obtaining a mechanical backlash existing between a slide valve and a piston rod in a hydraulic cylinder...  
JPH0790163B2  

Matches 701 - 750 out of 3,129