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Patent Searching and Data


Matches 901 - 950 out of 1,712

Document Document Title
JPH11218458A
To stably detect the pressure of a fluid at a high accuracy, using an optical fiber and enable the batch pressure measurement at a plurality of points by connecting a plurality of pressure sensors in series to one optical fiber. A pressu...  
JPH11194062A
To provide a fuel tank sensor assembly for detecting an operation state in a fuel tank end reducing probability that liquid fuel flows from an assembly. A fuel tank sensor assembly for the fuel tank of a vehicle contains a sensor element...  
JPH11183290A
To make the constitution compact by measuring the pressure and a temperature of a plate having an electric fault by one unit in a wide range. A light emitting diode 22 emits a pulse light and introduces the light into an optical fiber 23...  
JP2912869B2  
JPH11166875A
To provide a method and a device for inspecting the internal pressure of a sealed container, whereby the condition of the internal pressure of the sealed container, such as a can, can be grasped with increased reliability from a sound pr...  
JPH11166876A
To provide a pressure-sealed partial pressure sensor which comprises a measuring head and light guide fibers coupled to the measuring head, and which is suited for determining the partial pressure of gas or vapor over a wide measuring ra...  
JP2898751B2  
JPH11505921A
(57) The compensation for a summary optical fiber intensity abnormal-conditions sensor and an operating state monitoring device self-adjust light intensity, in order to be able to perform continuous proofreading of an optical fiber senso...  
JP2893324B2  
JPH11108784A
To easily identify a blocking pressure by displaying a measured instruction pressure as a blocking pressure when the continuance of the use stop state of a combustor is determined. When a pressure switch 33 is turned ON, a pressure value...  
JPH11110673A
To provide an optical pressure sensor having high accuracy and not requiring a wide area and also not being influenced by a loss accompanying the transmission of an optical signal, by using a contactless pressure sensor which is not elec...  
JPH11101704A
To provide a vacuum pressure measuring method and device for accurately and simply measuring vacuum pressure at a reduced pressure part. Water in a container 3 being connected to a reduced pressure part 1 where pressure should be measure...  
JPH11101706A
To enable the judgment of whether or not a filled can filled with a larger filling pressure than an atmospheric pressure is acceptable, by detecting by an echo sound detection means an echo sound from the filled can when the filled can i...  
JP2879677B1
[Summary] The water pressure sensor which is equipped with subject optical fiber grating, changes change of a water surface level into change of the oscillation wavelength of laser excitation light, and measures and supervises a water su...  
JP2879676B1
[Summary] Subject book invention considers composition of the container which stores the sensor assembly of a fiber-optic cable as easy composition, and offers the pressure sensor which makes the manufacture easy. A solution means -- the...  
JP2864291B2  
JP11051796A
To protect a pressure vessel against damage by comparing each comparison pressure data with a corresponding high pressure side reference pressure data every predetermined sampling time and outputting a high pressure alarm data when the f...  
JP11037944A
To obtain an oxygen sensor exhibiting a high oxygen sensitivity in an atmosphere from low to normal temperature in which a film of fluorescent substance having an extremely high oxygen sensitivity can be formed easily in cryogenic and no...  
JP2847509B2  
JP2843664B2  
JP2842249B2  
JP2587830Y2  
JPH10339681A
To provide a force sensor and a force measuring system that can improve stability and sensitivity as a sensor by solving the problem of a conventional force sensor utilizing the flexural loss of an optical fiber while utilizing the origi...  
JPH10327514A
To make it possible to quickly output a high pressure detection information during abnormal rise in gas pressure inside a pressure vessel, by providing means for outputting high pressure alarm data when a pressure corresponding to compar...  
JP2831161B2  
JPH10300653A
To ensure an accurate inspection by pressing the drum of a can in the diametral direction and measuring the reaction, and then pressing the drum of the can in the diametral direction from the different side and measuring the reaction, an...  
JPH10293076A
To measure the amount of leakage accurately by providing a tank in vacuum state and first connecting the tank when an inspection object starts to be evacuated and rapidly evacuating the air in the inspection object. When the exchange of ...  
JPH10293075A
To measure the amount of leakage quickly and accurately by discharging a gas corresponding to a discharge flow rate that is recorded when measuring a differential pressure into a master chamber. A control part 15 closes a valve V8 and pr...  
JP2814976B2  
JPH10281910A
To shift to an electronic instrument by adding a simple circuit by A/D converting a voltage signal corresponding to the temperature of a heating element, obtaining an oil pressure corresponding to heating temperature using a temperature-...  
JP2811119B2  
JPH10246681A
To inspect the inner pressure of a can accurately with high reliability by arranging a negative pressure sucker for sucking the upper cover of a containing box in the upstream of a carrying path with respect to a sensor. A carrying unit ...  
JPH10239199A
To accurately measure the degree of vacuum without withdrawing outside a lead wire and the like, by calculating the degree of vacuum by a calculation means that is buried into a measurement object and generating a vibration corresponding...  
JPH10239200A
To provide a sensor for measuring inner pressure and knock of a cylinder accurately for a long term while suppressing initial fluctuation, at a low cost. The pressure sensor for cylinder for detecting pressure based on the vibration in t...  
JPH10206255A
To provide a sensor capable of monitoring hydraulic pressure without providing measuring data transmitting devices on individual sensors. This sensor is provided with a bellows 5 expanded and contracted according to hydraulic pressure an...  
JPH10206259A
To judge the existence of a vacuum leak by a method wherein sound waves are impinged from one face of a sheetlike vacuum packaged product, the intensity of the sound waves which are transmitted up to a face on the opposite side is measur...  
JPH10153609A
To provide an anemometer, which does not receive the electric adverse effect of external environment, can perform long-distance transmission, can be readily multiplexed and can perform real-time wind-speed measurement. When a rotating me...  
JPH10139060A
To easily obtain a target of completion of appropriate pumping by visually judging whether or not the internal pressure in a pressurized fuel container reaches a presciribed pressure condition during the pumping. A pressurized fuel conta...  
JPH10132686A
To detect readily and precisely increase of pressure inside a container up to a specific pressure, by constituting a detector, when the pressure inside the container increases up to a specific pressure by pressurizing, so that a detectio...  
JPH10132688A
To accurately detect a fine leakage of empty cans in a short time by mounting an empty can inner pressure detector to an empty can in an inlet station, and a pressure change of a gas fed into the empty can is detected for a conveyance pe...  
JPH10132687A
To accurately judge the presence or absence of empty can leakage by a method wherein a gas is introduced into empty cans to be detected, and such a point that the pressure in empty cans is dropped more than a peak value and is mitigated ...  
JPH10122992A
To provide a small-sized lightweight photo-pressure sensor by using a bismuth-substituted rare earth iron garnet monocrystal film as photoelastic element. As the photoelastic element of a photo-pressure sensor formed of a polarizer, a ph...  
JPH10122993A
To provide a small-sized lightweight photo-pressure sensor by using a nonmagnetic rare earth garnet monocrystal as photoelastic element. As the photoelastic element of an optical pressure sensor formed of a polarizer, a photoelastic elem...  
JP2728530B2  
JPH1073507A
To provide a method which can be applied at low costs and easily in order to ensure the internal pressure of a container in a gas inflator at an air bag system and which can be verified easily and to provide a detector which is used for ...  
JP2726860B2  
JPH1062285A
To accurately adjust an internal pressure of a can even when permanent deformation of the can occurs under a pasteurization treatment of the aluminum can by confining a part of the can desired to measure an intrinsic frequency to a shell...  
JPH1061513A
To mount a pressure detector for a fuel tank on a fuel tank easily, reduce the number of parts, and improve productivity by arranging a pressure detecting port on a member for installing a fuel pump, fixing a base member through a seal m...  
JPH1048084A
To provide the same local bending in response to the same pressure with the looseness and flexibility of an optical fiber when assigning the optical fiber local bending corresponding to pressure. An inner cylinder pipe 7 with a flange 9 ...  
JPH1019706A
To provide a device for measuring vacuum pressure by which vacuum pressure in a pressure-reduced space can be measured accurately and simply. This device is provided with a container 1 in which water is filled at a given water level, a h...  

Matches 901 - 950 out of 1,712