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JP2005106798 |
To provide a method for diagnosing a noise-failure of a fuel level sensor in a vehicle, so that fuel leakage monitoring can be maintained or stopped based on whether the fuel level sensor is in noise-failure or not.When a predetermined d...
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JP2005106821 |
To provide a method and a system for easily and surely monitoring with reproducibility, and adjusting if required, performance of one or more mass flow controllers (MFC) which supply manufacturing process with one or more gases.The devic...
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JP2005098983 |
To provide an oscillator capable of detecting rotation of the oscillator precisely.This oscillator 10 includes a pair of sound pieces 1a, 1b extended Y-directionally, and for conducting the first vibration for generating Coriolis force c...
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JP2005062052 |
To provide an on-vehicle measuring instrument enabling easy confirmation on whether a fuel gage pointer designates the switching-on or switching-off position of a fuel residual quantity alarm lamp which is a pilot lamp corresponding to t...
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JP2005055446 |
To provide at least one measuring instrument or sensor for measuring a chemical or physical parameter of a liquid to detect gas bubbles, for example, air bubbles in a measuring cell filled with the liquid, preferably a sample solution, a...
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JP3650446 |
To easily store and control a flow meter on the basis of a quality information by sensing the discrimination information concerning the flow meter through one CCD camera and testing the flow meter through its image processing. A CCD came...
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JP3645730 |
To accurately calibrate a flow rate coefficient characteristic showing relation between the moved position (a moved distance from a reference position) of a variable Venturi and the flow rate coefficient to accurately control the flow ra...
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JP2005037268 |
To always perform self-check of the flowmeter state when inspecting the flow characteristic of an inspection body or existence of a leak by using the flowmeter.This device is a flow rate inspection device for inspecting whether the flow ...
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JP3637988 |
To Perform highly accurate measurement by a simple device in a flow rate test of a wide range containing an extremely small flow rate. Fixing plates 13 and 14 are fixed in parallel on both ends of parallel guide bars 15 and 16, and a mov...
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JP2005017152 |
To provide a flowmeter capable of performing conversion including all error influences such as an instrumental error, a mounting influence or a using condition independently of flow velocity distribution in a measuring tube, when finding...
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JP2005005861 |
To obtain digital data indicating the residual of fuel in a fuel tank highly accurately.A meter ECU converts the output voltage of a potential meter RS and the power source voltage of an on-vehicle battery Ba into digital data. The meter...
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JP2004347500 |
To provide a liquid level detector of high safety by simple constitution.A control part 14 compares a temperature of a heater 21 detected by a temperature detecting resistance 22 with a temperature of an engine oil detected by a thermist...
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JP2004309337 |
To achieve quickly and accurately a characteristic inspection of the whole body formed by integrating oscillators and a circuit part together, on background information that, in a flow measuring device, characteristics of the oscillators...
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JP3604354 |
To accurately and efficiently calculate the true mass flow rate of various gas species according to a micro mass flow control technology using ultrasonic nozzles. Many kinds of gas species are classified into e.g. five groups A-D and typ...
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JP2004279185 |
To provide an inspection apparatus capable of easily, speedily, and accurately inspecting meters.The inspection apparatus 100 is constituted in such a way as to automatically inspect a gas meter 2 through the use of communications and di...
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JP2004279232 |
To provide a system and a device, which can accurately detect a liquid state in a normal capacitor where any short circuit or the like is not present, without being affected by other capacitors even in the case where the other capacitor ...
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JP2004279126 |
To provide an automatic parameter setting system for a gas meter capable of setting an accurate parameter on the gas meter inexpensively in a short time, and the gas meter.This system is equipped with the gas meter 10 arranged in a gas p...
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JP2004205306 |
To provide an abnormality diagnosing device for fuel level detector that can accurately diagnose the defect of a fuel level detector in a relatively short time.Refueling is discriminated based on a second fuel level FLEVELR which is the ...
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JP2004199109 |
To easily find the specific flow factor of a type of gas with high accuracy even if the physical properties of the type of gas are unknown in the case of a pressure-type flow controller.This pressure-type flow controller calculates an ac...
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JP2004163246 |
To provide a method and a system for calibrating flowmeters for calibrating a plurality of the flowmeters having difference measuring ranges in a wide range of quantities of flow by one reference flowmeter and calibrating the flow meters...
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JP2004156965 |
To provide a sorting method for restraining accumulation probability, where an operating voltage V is within a standard voltage range, to less than a predetermined reference accumulation probability even if an isolation valve 44 is reuse...
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JP3544111 |
To make normal operation confirmable, by judging the operating conditions of a small-volume prover(SVP) from the detection order of the signals of location marks. In normal operating conditions, a measuring piston 16 starts to run by the...
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JP2004092614 |
To provide a failure detecting means to relax the limit of an operation region where the failure of an AFS is detected to enable the increase of frequency of failure detection.The failure detecting device detects the trouble of an air fl...
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JP2004093565 |
To improve furthermore the function of a filling level measuring apparatus.This filling level measuring apparatus, which is a filling level measuring device operated following a radar principle for measuring the filling level of a medium...
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JP2004061512 |
To provide a level switch with verification capability.The level switch, which can be used to detect liquid level in a process vessel, requires no manual testing for proper operation and switch calibration because of its own self-validat...
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JP2004020306 |
To provide a method and device by which a mass flow controller (MFC) can be calibrated efficiently so that the MFC may have high supply accuracy and responsiveness.The method for calibrating the MFC which is installed to a fluid passage ...
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JP2004003957 |
To provide a processing system capable of measuring an actual gas flow rate in a flow controller properly without generating a deficiency such as a damage or a corrosion in a flow measuring device.This processing system comprises a proce...
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JP2003344143 |
To provide a method for determining the failure of a fuel level sensor of an automobile capable of accurately determining whether the fuel level sensor has failed or not. The method for determining the failure of the fuel level sensor of...
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JP2003344126 |
To provide an improved flow measuring system wherein only a single flow-indicating meter and electrode/magnet assembly may be used to provide accurate flow measurements of fluid flow in a large number of conduits having different interna...
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JP2003329502 |
To provide an ultrasonic wave flowmeter detecting measurement errors and failures caused by changes in characteristics of ultrasonic wave oscillators.The ultrasonic wave flowmeter measuring a flow rate of a fluid passing through a flow c...
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JP2003329506 |
To provide a simple method for measuring a liquid level of a liquid vessel capable of using a hose pump fluctuating in delivery, and capable of sufficiently working without additional parts.A submergible pipe 2 for charging/discharging l...
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JP2003303023 |
To confirm operation of a flow control part such as a mass flow controller (MFC) controlling the flow of the liquid source without separating the flow control part from a liquid source feed passage in a film processing device using vapor...
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JP2003287477 |
To provide an exhaust emission analysis system and a method for correcting the measurement of an exhaust emission which provide an accurate dilution ratio and adjust the measurement of the exhaust emission from an engine.The exhaust emis...
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JP3475509 |
PURPOSE: To notify the possibility of failure to the outside if the usage of gas can not be detected for a predetermined interval. CONSTITUTION: A zero flow rate period decision value communicating section 5 receives a zero flow rate per...
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JP2003270008 |
To carry out zero correction of flow rate without affecting the use of a user.While measuring the flow rate of an object fluid with a flowmeter, the object fluid is temporarily shut off during a period when the object fluid is not used a...
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JP3470125 |
To provide a diverter, for a liquid-flow-rate calibration device, by which an error is not generated by a method wherein, even when the flow- velocity distribution of a stream going out from a nozzle is asymmetric and even when the rotat...
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JP3463757 |
PURPOSE: To obtain high measuring accuracy by simple matching when an air flow meter is connected to an engine control unit, and also correspond a renewal parts to the engine control unit easily even if the air flow meter is changed. CON...
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JP2003214929 |
To provide a liquid level detector for distinguishing and displaying failure reasons.In the liquid level detector equipped with a liquid level detecting sender 2 for detecting a liquid level variation in a fuel tank, a controlling part 8...
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JP2003202259 |
To provide a gas meter and a method for inspecting a gas meter, capable of shortening inspection time and flexibly corresponding with various assays and inspections.Instrumental error inspection for an inspected gas meter 1 is performed ...
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JP3445317 |
PURPOSE: To eliminate troubles such as overflow and the idle rotation of a pump positively by comparing the time change rate of the liquid level, computed by a computer, with the output change of a level gauge. CONSTITUTION: When the inf...
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JP3442112 |
PURPOSE: To perform on-line correction on a flowmeter without installing any large-scale loop pipeline system containing a reference flowmeter or pipe prober by providing processes 1 and 2 for calculating leaking positions and a comparin...
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JP3427183 |
To accurately measure flow rate at a low cost by using items existing close to an operator. A conventional mouse used for a personal computer has a ball 14 rotated by moving the mouse, a rotary plate 2 with a slit rotating in contact wit...
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JP2003130712 |
To provide an inspection implement by which an electrode is inspected in a short time and simply without consuming a liquid such as tap water or the like.The inspection implement 1 comprises transparent pipe mainframes 24, 31, 41 with gr...
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JP2003120407 |
To provide an accurate cylinder air-charge estimate.First, a sensor-based powertrain torque estimate is obtained. Next, a torque converter-based powertrain torque estimate is obtained when the torque converter clutch is unlocked. The two...
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JP2003090751 |
To provide a flow sensor type flowmeter that is capable of performing calibration without increasing the number of flow rate calibration points and can accurately measure the flow rate.The flow sensor type flowmeter has a difference dete...
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JP3411395 |
PURPOSE: To obtain a reliable measurement result by compensating the influence due to the environment of a flowmeter in a ventilation measuring instrument such as cigarette. CONSTITUTION: A three-way solenoid valve 5 is provided between ...
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JP2003075239 |
To provide a sensor capable of easily conducting test and demonstration.With the electromagnetic flow rate sensor 10 a signal processor 20 produces hypothetical signal instead of measured signal and outputs to a system body 50 based on t...
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JP3406371 |
PURPOSE: To detect the sound velocity sustaining range of a sound velocity nozzle through a simple detector. CONSTITUTION: A supporting plate 3 is held between an upstream side flow pipe 1 and a downstream side flow pipe 2 for passing ga...
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JP2003065814 |
To precisely and easily measure a flow characteristic in an air compressor.In this flow characteristic measuring device for an equipment for gas, a supply devide comprising an air pressure source 1, a pressure reducing valve 2 and an aux...
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JP3401742 |
To measure a flow rate correctly corresponding to a flammable gas by using an operation rule corresponding to the air until a gas flow measurement function is inspected and using an operation rule corresponding to a gas flow when the gas...
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