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JP3410240 |
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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JP3409980 |
To simplify the structure and manufacturing method, and make mass production of a small-sized low-priced composite sensor possible, by forming a plurality of pressure detecting electrostatic capacitances and reference electrostatic capac...
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JP3410568 |
PURPOSE: To provide a pressure sensor which never causes the dead volume of a fluid and can be simply coated with a corrosion-resistant resin or the like. CONSTITUTION: A pressure-detecting part 9 formed of an integral body consisting of...
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JP2003083955 |
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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JP2003080392 |
To provide a welding repair structure and welding repair method of pipe which reduces the stress on a pipe outer peripheral part after welding repair, enhances the strength of a welding repair part by means of a simple means, thereby, pr...
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JP2003075320 |
To provide a fluid behavior measuring device capable of further correctly grasping the behavior of a fluid in a fluidized bed.A pressure receiving body 20 is disposed at a predetermined position in the fluidized bed, and force of the flu...
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JP2003075279 |
To provide a simple atmospheric pressure detector capable of easily and certainly recognizing the generation of a pinhole and usable in a package or the like exerting no adverse effect on a material to be packaged by the presence of a pi...
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JP2003074851 |
To provide an eigenvalue-prediction method in combustion equipment and evaluation method of response magnification factor between measuring devices, in which a reference measuring-device is used downstream of flames to obtain a correct v...
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JP2003075464 |
To provide an optical flow direction sensor that can detect the flowing direction of water, etc., when the water flows by detecting the pressure difference caused by the flow velocity of the water on the upstream side and downstream side...
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JP3404311 |
To facilitate a pressure leakage check, even in the case of a small- sized pressure gauge. A pressure gauge 1 is provided with a case body 2 integrated with a fire extinguisher body 30 side through a coupling 13, a transparent cover 5 wh...
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JP3404257 |
To obtain a pressure sensor device high in reliability by housing a pressure sensor and a temperature sensor in an identical part and forming a pressure introduction passage, which has a labyrinth structure used to prevent a foreign matt...
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JP3399217 |
To make it possible to effectively set a correction value with user's anxiety by eliminating the indistinguishability in displaying altitude by the user in the case of correcting the altitude in an electronic clock having the functions o...
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JP2003049418 |
To provide a vacuum soil testing machine allowing an easy and accurate grasp of the soil quality of the improved ground. This vacuum soil testing machine is provided with a casing 12 for enclosing a specimen S extracted from the improved...
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JP2003042868 |
To provide a pressure measuring apparatus with improved resistance to corrosion and temperature characteristics. The pressure measuring apparatus provided with a pressure receiving block formed of a metallic material with a protruded par...
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JP2003042864 |
To realize a low cost and therewith obtain a signal which resists the error of the introduction position of a water pressure and the interference of installation water depth and accurately corresponds to an effective earth pressure. Filt...
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JP2003034500 |
To provide a mechanical hydraulic pressure detector having no fear of a leakage, and superior in accessibility for warning a hydraulic pressure drop in a vehicular lift device. A pin 7b movable by sliding in a cylindrical body 7a is pres...
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JP2003021564 |
To provide a prediction method, with which the value of a peak pressure and its generation place can be predicted simply and quickly, in an actual mold component which is composed of sand and has prescribed shape, size and material.The g...
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JP2003014571 |
To provide a fluid pressure detector capable of accurately detecting the pressure of a fluid even if a non-uniform expansion deformation is generated, having a simple structure and easy to handle.The fluid pressure detector 40 has a liqu...
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JP2003004567 |
To provide a pressure sensor capable of accurately controlling response of the pressure sensor relative to the fluctuation of pressure with neither greatly influencing other properties nor impeding the miniaturization of the pressure sen...
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JP2003001036 |
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 dif...
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JP2002372471 |
To provide a tire air pressure alarm which is low-cost and by which the state of the air pressure of a tire can be detected simply and easily. The tire air pressure alarm is constituted of an outer frame body which comprises a window bod...
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JP2002357155 |
To detect atmospheric pressure by high resolution while sufficiently covering a detection width corresponding to a use environment of a vehicle, in this atmospheric pressure detector for detecting the atmospheric pressure accurately in a...
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JP2002340716 |
To provide a pressure measuring system utilizable for re-sterilizing a suction pipe used for the lens surgery operation, using an autoclave sterilizer, thereby making it possible to re-use the pipe.The pressure measuring system has a pip...
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JP2002340635 |
To provide a flow and pressure meter optimum for a high flow rate, excellent in using convenience and capable of measuring both flow rate and pressure in a pipe to be displayed.This flow and pressure meter 10 is provided with a flexible ...
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JP2002333378 |
To provide a tire pneumatic alarm which is low-cost and by which the state of a tire air pressure can be visually recognized simply and easily.The tire pneumatic alarm is composed of an outer frame body which comprises a window in its up...
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JP2002330931 |
To provide a system for automatically correcting errors to be introduced into a tissue stress signal caused by a temperature, secular change or other factors which gives influence to a tissue stress sensor.A tissue contact stress sensor ...
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JP3368509 |
PURPOSE: To provide a pressure sensor part having high pressure resistance in a pressure receiving plane as well as a method for manufacturing the part. CONSTITUTION: This pressure sensor part is made of stainless steel or heat resistant...
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JP2002310823 |
To provide a pressure gauge having a structure with excellent corrosion resistance to allow the extension of the life.This pressure gauge 21 comprises a mounting part 22 connected to a joint 4 provided in the middle of a conduit, and a m...
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JP2002296133 |
To provide a device for measuring pressure inside pipe, which can prevent the irregular reflection of ultrasonic waves in a pipe.The device for measuring pressure inside pipe includes an ultrasonic vibrator 11 which emits the ultrasonic ...
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JP3353714 |
To provide a pore water-measuring instrument which can measure the pressure of pore water with a narrow error margin even at a large depth, uses an exchangeable pressure sensor, and can highly reliably collect pore water and make measure...
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JP2002276606 |
To provide a power package capable of detecting the suction pressure of a pump.The hydraulic power package comprises first and second passages 21, 22 constituting a closing circuit connecting a bidirecitonal discharge pump 1 and an actua...
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JP2002267557 |
To attain high-accuracy, dispense with voltage, lengthen the remote distance, and facilitate transfer.This liquid pressure measuring sensor is provided with a pressure transmission lever 47 disposed in a hole 43 of a case 45 and formed b...
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JP2002257656 |
To provide a pressure measuring device used in an extracorporeal blood treatment device in which a sample of blood is taken from a patient in order to be treated and reintroduced into the body of the patient.A pressure measuring section ...
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JP2002250026 |
To provide a tracer inserting device and a single-hole tracer testing method capable of setting a test zone in the heterogeneous ground and optionally setting the water pressure and tracer concentration in the test zone with high precisi...
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JP3344259 |
To calculate an arbitrary fluid physical quantity in a calculation zone with a computer by using both a fluid physical quantity at a calculation zone inlet and a value detected with a fluid physical quantity sensor, and then calculating ...
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JP2002243564 |
To prevent lowering of pressure measurement accuracy even when being affected by parasitic capacitance, and execute miniaturization.This pressure sensor 27 comprising an insulating substrate 29 having a fixed electrode 45, and a diaphrag...
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JP2002228533 |
To solve the problem of stagnation of a fluid to be measured caused by stagnation of the fluid generated in the cylinder of the inside face in the radial direction of a measuring conduit branched in the middle of a pipe to be measured in...
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JP2002224064 |
To provide a pressure pulse wave sensor for attaining installation stability of the sensor, preventing congestion of a vein, and inexpensively measuring a pressure pulse wave while securing sufficient sensor sensitivity.This pressure pul...
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JP2002206961 |
To provide a load detector of high detecting accuracy.A sensor head 31, a bellows 32, a housing 33 and a stem 34 define a sensor chamber as a closed space. A liquid 38 is sealed in the sensor chamber formed by them and a sensor chip 35 f...
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JP2002195827 |
To provide a diving bathometer equipped with a compass.This scuba diving bathometer is provided with an azimuth display function in a part of the depth display range within a bathometer body in a mechanical bathometer. This bathometer fu...
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JP2002188972 |
To provide a pressure controller having no restriction on an installation space, capable of monitoring the quantity of a pressure change of a pressure source, detecting that the pressure of the pressure source becomes a fixed value or hi...
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JP2002174560 |
To solve the problem of an LC oscillation type displacement sensor for converting the gas pressure of air obtained from the water level of a washing machine or the like to diaphragm displacement, converting the diaphragm displacement int...
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JP2002172293 |
To provide a multi-functional displacement sensor advantageous in cost by integrating (compounding) single-function displacement sensors for detecting the water level, vibration, opening and closing of a door, and the like, at a customer...
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JP3315253 |
PURPOSE: To provide a pressure controller by which switching of two types of pressure detectors can be smoothly performed. CONSTITUTION: Two types of steam pressure detectors having different measuring ranges of narrow ranges and wide ra...
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JP3312904 |
To provide a diagnostic system capable of tactilely recognizing by an operator and improving a function of diagnosis by raising a utilization efficiency of information. The diagnosing system comprises a contact section with a specimen 43...
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JP2002156299 |
To provide a high performance pressure sensor completing a purge in a short time and preventing generation of dust.A diaphragm 3 is formed in one on a body 2 together with a flow path 4 and welding of the diaphragm is not required as in ...
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JP2002148084 |
To provide a composite sensor capable of shortening a mounting time without needing a large space for mounting in a plant or the like, and reducing a manufacturing cost and an entire cost without requesting a large labor hour or a time r...
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JP2002143309 |
To provide a method and a device for evaluating the effective flow resistance in a respiration circuit capable of dispensing with the manual input of the information by a user and providing a true resistance value even when a resistance ...
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JP2002131157 |
To provide a pressure gauge and manufacturing method thereof where an adjusting operation which requires experience is omitted, a manufacturing time and a cost are reduced, and a production line is efficiently automated.A plurality of ki...
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JP2002131094 |
To provide a system for measuring a settlement state when sea bottom reclamation work and earth and sand burying work are performed.In the settlement measuring system comprising at least two or more pressure gages, a first communicating ...
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