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JP3521243B2 |
To provide a pressure-measuring device that can predict the corrosion of a diaphragm. A pressure-measuring device where a liquid-contacting diaphragm 3 is provided at the liquid-contacting part with a measurement fluid is provided with a...
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JP2004085350A |
To set a value usable as the optimum threshold in the actual operation state.In this thresholding, first of all, in the first step, a work adsorption device is actually operated continuously without a work, and a peak value in each cycle...
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JP2004077339A |
To provide a differential pressure measuring instrument without variations with the lapse of time, in which there is no need for repair or physical calibration even when immersed in a shield liquid.The differential pressure measuring ins...
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JP2004069396A |
To produce a fluid detector which measures the speed, direction, and pressure of a low-speed fluid with high precision industrially at low cost with good reproducibility, measures the one-dimensional, two-dimensional, or three-dimensiona...
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JP2004069555A |
To provide a small pressure sensor along with its manufacturing method, of fewer number of parts and man-hours for assembly, where structure is simple and assembly precision is high, with less variations in the operation characteristics....
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JP3502561B2 |
To improve the pressure governing precision by providing a sleeve which guides a piston so that its axis will not slant when the piston is displaced, and thus preventing a diaphragm and a poppet valve from slanting and stabilizing the op...
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JP2004053335A |
To move the position of a pressure range pointers without removing a cover in a manometer having the pressure range pointers.The manometer has an interior machine, a pointer, a pressure dial plate, and the pressure range pointers 31 in t...
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JP2004053344A |
To provide an inexpensive and improved metal diaphragm pressure sensor of a load conversion type manufactured easily, and enhanced in a mass production effect and detection precision.This metal diaphragm pressure sensor 1 is provided wit...
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JP3498151B2 |
PURPOSE: To provide a molten metal characteristics measuring instrument in die casting capable of obtaining the optimum seaming force to meet the manufacturing condition of each product. CONSTITUTION: The molten metal characteristics mea...
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JP2004045140A |
To provide an improved load converting metal diaphragm pressure sensor which is inexpensive and easily manufactured and has high volume efficiency and detection accuracy.The metal diaphragm pressure sensor (1) is provided with a disc met...
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JP2004504593A |
A high-pressure sensor includes a deformation member and connection piece that is joined to the deformation member by a welded seal. The deformation member has a truncated-cone-shaped circumferential segment, via which a welding current ...
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JP3492290B2 |
To provide an apparatus for detecting non-airtightness or fatigue phenomenon of a film at a lower production cost with a simple structure. In the apparatus for detecting the non-airtightness or the fatigue of a film, the film comprises a...
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JP3490374B2 |
To obtain an injection pressure curve of a molding condition by a simple method utilizing a resin flow analyzing result by CAE. The resin flow in a mold is analyzed by CAE or the like to obtain a resin pressure curve Ps at a resin inflow...
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JP2004021971A |
To provide a housing which enables a computer equipped with many information functions and a sensor and the same computer to be operated underwater while diving.This device is equipped with a computer part, a pressure sensor mounted with...
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JP3489496B2 |
To provide an optical pressure sensor capable of remote measurement and free from malfunction due to electromagnetic induction, and does not need a power source in a sensor part. In this optical pressure sensor, when a pressure to be mea...
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JP2004012157A |
To accurately detect airflow at a low cost.An airflow sensor 7 has primary and secondary chambers 16 and 17 separated from each other by a diaphragm 18, and the chamber 16 communicates with the upstream side of an airflow passage 15 lead...
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JP3486672B2 |
To provide an arithmetic processing algorithm for accurately performing arithmetic processing of flight velocity vector for indicating the level of velocity and an air flow angle and a static pressure for indicating altitude with a high ...
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JP3484981B2 |
To provide a pressure detecting device low in height with a low parts count. A diaphragm 4 comprises a bottom receiving part 8 for a magnetic body in which the lower surface side of the magnetic substrate part of a magnetic body comes in...
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JP3483253B2 |
To provide a pressure measuring method and apparatus thereof that can easily measure the capacity of the piping of an object to be inspected and eliminate the influence of a temperature change in the piping. The pressure measuring method...
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JP3476966B2 |
PURPOSE: To provide a gas flowmeter which can measure the gas consumption amount of individual gas apparatuses by one gas flowmeter. CONSTITUTION: A gas flowmeter 11 is attached to a gas pipe so as to measure the flow rate of a gas. The ...
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JP3474343B2 |
To provide a gas residual meter easy to handle in which the residual time capable of using a gas cylinder can be precisely and quickly grasped. In the measurement of the pressure of a gas within a gas cylinder every prescribed time by a ...
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JP3475537B2 |
PURPOSE: To realize the reduction of the size of a gas pressure measuring circuit by correcting the data from a pressure sensor through an operational amplifier and operating a linear A/D converter with a different power supply thereby e...
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JP2003322438A |
To provide a pressure display meter for allowing even a person having no skill to easily perform filling work without requiring a process of calculating proper pressure corresponding to an outside air temperature at refrigerant filling w...
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JP2003532106A |
A method of detecting a leak in a pressurized pipeline system, in which a measurement is performed to determine the difference in the rate of change of pressure due to a leak between one pressure level and at least one other pressure lev...
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JP3461984B2 |
To highly accurately measure absolute pressure. A capacitance-type absolute pressure sensor includes a thick substrate 11 and a thin elastic diaphragm 12 oppositely placed with a predetermined distance from the substrate 11, wherein elec...
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JP3460991B2 |
To reduce the number of times of pulse cleaning and prolong the life of filter fabrics. In the bag filters of multi-chambers, the amount of dust deposited on the filter fabric of each bag filter is accurately detected by measuring the di...
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JP2003302297A |
To provide a pressure measurement method inside a manhole, a pressure measurement device, and a manhole lid having it for surely and accurately measuring an abnormal pressure generated inside a manhole.This pressure measurement device ar...
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JP2003294555A |
To provide a pressure sensor capable of improving detection accuracy and convenient for a user to confirm the pressure state, when detecting work adsorption and vacuum break (work release) by one pressure sensor.When an adsorption prepar...
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JP2003529777A |
The present invention includes a tracking device that is associated with a cargo container. The cargo container is used for shipping of goods and materials and is placed into transportation vessels for shipment. The tracking device inclu...
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JP2003529434A |
A system of measuring the flow of a human or animal bodily action or fluid along or through a bodily flow conduit using two or more sensor means located on the body and along or around the path of the conduit is described. Bodily fluids ...
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JP2003254855A |
To shorten time required for inspecting leakage in an airtight container.The leakage-detecting apparatus for detecting presence or absence of leakage in an inspection container A is equipped with a measurement means 5 for measuring an ab...
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JP3445260B2 |
To provide a simple testing apparatus for evaluating the own sealing performance of a swelling soil material by assuming a gap that is generated in an adjacent layer when forming a buffering layer and a waterproof layer by the swelling s...
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JP3443464B2 |
PURPOSE: To obtain a Bourdon pressure gage being free from drop or loss of a fitting screw. CONSTITUTION: A case 2 of a Bourdon pressure gage 1 has a holding part 6 of an interior instrument 3, a window hole 8, space tubes 10 through whi...
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JP3443492B2 |
To provide an apparatus for measuring a water pressure of a fire engine which can correctly display a maximum value of the water pressure at the spraying time even after the spray is finished and is simple to handle. A fire engine 1 has ...
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JP2003240657A |
To provide a pressure gauge capable of miniaturizing by omitting a gear mechanism transmitting the deviation of pressure and smoothly conducting the swing of a pointer according to the deviation of pressure.An indicating shaft 3 projecti...
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JP3439570B2 |
PURPOSE: To decrease the surface area of a non-diaphragm part and improve the sensitivity while maintaining the stiffness of a substrate and the shape of a diaphragm by joining only partly a ceramic lamination interface at the root of th...
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JP3435064B2 |
To provide an oil pressure gauge in which indication of oil gauge is stabilized even if oil pressure is varied during idling. A conversion table 43a stores the oil pressure in correspondence with the swing angle of a pointer and has a co...
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JP2003521284A |
A noninvasive method of monitoring the intracranial pressure (ICE) of a patient. At least one waveform [22] representative of a pulsation of an anatomical feature of the patient's head is obtained, preferably by integrating ultrasound re...
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JP3426167B2 |
To provide a pressure gage allowing welding of a joint to a Bourdon tube even if they have different materials, and capable of attaining automatization of a manufacturing line and reduction of a manufacturing cost by unification of assem...
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JP2003194650A |
To provide a self-recording pressure measurement device easy to manufacture and assemble, and devised so that an error of a bourdon tube caused by dispersion in manufacturing can remarkably, simply and surely be adjusted.The travel dista...
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JP2003190761A |
To provide a method capable of certainly detecting the gas liquefying place in the gas supply piping, a gas supply method using the same and a semiconductor manufacturing apparatus.In the method for detecting the gas liquefying place in ...
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JP2003185084A |
To easily measure gas pressure near a shut-off portion opposite to a through-hole side in a pipe, even when no opening portion, which communicates to the inside of the pipe, exists near the shut-off portion opposite to the through-hole s...
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JP2003184826A |
To indirectly visualize a moving position of a piston of a fluid pressure apparatus on the fluid pressure apparatus by installing a simple position indicating mechanism.An indicator 28 is housed in a guide groove 27 by installing a magne...
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JP3417554B2 |
To provide a pressure sensor which can be used for a long period without failure and the like and also separates fluid. A pressure sensor 10 has a sensor diaphragm 12 and fluid pressure to be detected can work on one end of the diaphragm...
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JP3415846B2 |
A transmitter provides an output indicative of pressure of process fluid. The transmitter has a first body with a passageway filled with isolation fluid extending from a first port to a pressure sensor. A second body has an inlet for rec...
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JP2003161664A |
To provide a high-precision optical pressure sensor enabling more accurate temperature correction.The optical pressure sensor is provided with a pressure sensing bourdon tube 3 deformed by pressure and ambient temperature, a pressure sen...
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JP2003162554A |
To facilitate the design for long-distance paste sending irrespective of the kind of the paste.In a design method for sending paste through a pipe, as the feature of the method, a slump value is used as an index indicating the fluidity o...
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JP2003161740A |
To provide a flowing-down state observation method and a flowing- down state observation apparatus for gas that are inexpensive and can observe the flowing-down state of gas in real time.A net-like thermosensitive color changing means 2 ...
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JP2003155901A |
To provide a pressure governor which easily and stably procures electric power needed by external measuring instruments and the like.The pressure governor 10 is equipped with a pressure governing part 11 for decompressing city gas carrie...
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JP3410240B2 |
PURPOSE: To provide a pressure transducer which is safe and compact in size, contains only a small number of disposable parts, and is capable of simple and safe operation. CONSTITUTION: A pressure transducer for measuring the fluid press...
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