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Patent Searching and Data


Matches 351 - 400 out of 1,317

Document Document Title
JP2007132664
To provide a manometer capable of easily managing water as a manometer liquid.The manometer includes a U-shaped main body 2 made of a nonflexible, transparent tube member, having one end communicating with and connected to the clean side...  
JP3962610
To provide a differential pressure detector which prevents influence of tightening when the detector is assembled, and prevents a change in the output of a measured value. A sealing liquid for high pressure and a sealing liquid for low p...  
JP3959665
To provide a flange-mounting type differential pressure measuring apparatus having an enhanced temperature characteristic. The flange-mounting type differential pressure measuring apparatus includes a pressure sensor provided in a body, ...  
JP3961898
To provide a pressure measuring apparatus for discharging gaseous hydrogen without causing a loss or fouling up a pressure receiver due to a leak of an internal filler liquid when a filler liquid inlet is opened. A filler liquid inlet 34...  
JP2007121140
To provide a system for measuring a differential pressure, capable of precisely measuring the differential pressure, without being affected by variations in irradiation intensity and transmission efficiency of an optical waveguide.The sy...  
JP2007107993
To provide a pressure sensor capable of obtaining sensor output according to a normal pressure difference even if two pressures applied to the pressure sensor are inverted by erroneous connection.In the pressure sensor, a voltage signal ...  
JP2007101324
To provide a differential pressure measuring system capable of measuring the differential pressure with a high degree of accuracy without impact of modulation in the light intensity of irradiating light and the transmissivity of light gu...  
JP2007085808
To provide a simple and low-cost pressure transmitter.In this pressure transmitter, a seal diaphragm impressed with a process pressure communicates with a sensor for pressure measurement via a communicating path provided in a body with a...  
JP2007085943
To provide a system for measuring differential pressure capable of correcting luminous energy modulation of irradiation light, and capable of measuring precisely the differential pressure.This system includes a light source 4, the first ...  
JP2007064703
To provide a differential pressure/pressure detector with increased joint strength.The remote seal type differential pressure/pressure detector 1 comprises pressure receiving elements 100L, 100R, capillary tubes 200L, 200R, and a detecto...  
JP2007047012
To provide a differential pressure measuring device with a clogging diagnosis function of a lead pipe capable of discriminating and determining clogging between a high-pressure side lead pipe and a low-pressure side lead pipe, besides de...  
JP3917574
To provide an ultra-precise minute differential pressure measuring device capable of precisely and continuously measuring a minute differential pressure and significantly reducing the manufacturing cost with a simple structure by transmi...  
JP2007024500
To provide a differential pressure transmitter which allows measurement with a stable output against ambient temperature changes, has a simple structure, and is inexpensive.The differential pressure transmitter transmits pressure from a ...  
JP3906833
To improve durability by restraining influence of condensed water in pressure transmission pipes 40, 41 and making the influence of heat and vibration of an engine 1 hard to be exerted, in a device for detecting the exhaust pressure from...  
JP2007017223
To reduce labor hour for oil injection or diaphragm mounting and minimize the difference between respective oil pressures in two pressure detection chambers in an oil sealing type differential pressure sensor.A case 10 has a sensor eleme...  
JP3900351
To realize the shape of a backplate surface such that a preload diaphragm initiates distortion at a set pressure value. A differential pressure measuring system comprises a backplate surface provided on the side of a main body and a prel...  
JP3895937
To adjust sensitivity to be high to the static pressure, and to be low to the differential pressure, and to reduce crosstalks, by installing gages for static pressure detection at the optimum position. A diaphragm 3 is formed on the cent...  
JP3892065
To fix a sensor chip comprising a pressure sensitive element coupled to a glass seat to a housing while a fluctuation in characteristics of the pressure sensitive element is prevented. A seat 25 of a sensor chip 23 is bonded to a stem 28...  
JP2006329846
To provide a pressure sensor capable of easily and exactly diagnosing clogging of a pressure guide tube without being affected by flow rate of the process and diagnostic method for clogging of the pressure sensor.The pressure sensor dete...  
JP3887290
To provide a differential pressure transmitter for reducing variations in the O/L working points due to changes in the temperature of a excessive pressure protective mechanism by a simple structure and relaxing restrictions on the specif...  
JP3876941
To enable surely agitating solution in a tank in a short time by installing upper part agitating air piping for agitating solution in the upper part in a storage tank and lower part agitating air piping for agitating solution in the bott...  
JP2006308578
To provide an equalizing valve for measuring differential pressure and a differential pressure type flowmeter, capable of making size compact, of simplifying, and of reducing the cost.The first inlet passage 361 is extended along the axi...  
JP2006300570
To provide a differential pressure/pressure transmitter dispensing with an excessive pressure protection mechanism in a pressure-receiving body itself.In this differential pressure/pressure transmitter for transmitting a high-pressure si...  
JP3859734
PURPOSE: To provide a method or an apparatus for changing the inside pressure of a vehicle at a determined rate when the outside pressure of the ventilated or air-conditioned vehicle changes suddenly. CONSTITUTION: The apparatus for elim...  
JP3847281
To provide a pressure sensor device having a simple structure and capable of being miniaturized, in which the excessive pressure protection operational pressure for a sensor chip can be made sufficiently high. The pressure sensor device ...  
JP3845615
To provide a new structure for a flow sensor which facilitates measurement of a minute differential pressure when a minute flow rate is measured, and has a higher withstand pressure. A chamber 20 is partitioned into a primary chamber 21 ...  
JP2006208225
To provide a high-precision differential pressure sensor which is not influenced by large fluctuations in baseline pressure.The differential pressure sensor comprises: a pair of diaphragms 1a, 1b including diaphragm parts 7a, 7b which be...  
JP2006177690
To provide a apparatus for measuring differential pressure which can measure a differential pressure simply, without requiring laying of pipelines.The differential pressure measuring apparatus which measures the differential pressure wit...  
JP2006177833
To provide a differential pressure transmitter, capable of acquiring values of differential pressure, H-side static pressure, and L-side static pressure in which simultaneity is maintained.The pressure transmitter is provided with both a...  
JP2006170984
To provide a differential pressure sensor 12 used for industrial applications.The differential pressure sensor 12 includes a membrane layer 36, having a covered portion 38 and an exposed portion 40, where a first side of the exposed port...  
JP2006170760
To provide a low-cost material having superior properties in corrosion resistance and mechanical strength, which is used as a diaphragm of a differential pressure transmitter for a liquid-level meter in a reaction vessel and a post-treat...  
JP2006170851
To reduce a detection error caused by a temperature difference between oils in both pressure detecting chambers, to the utmost, in a pressure sensor provided with the pressure detecting chambers with oils sealed in one face side and the ...  
JP3804242
To provide an electrostatic servo type physical amount detector of which permits high-sensitivity servo control. Carrier wave signals P1, P2 having different periods between a high level (Hi) and a low level (Lo) are applied to fixed ele...  
JP2006126214
To provide a differential pressure/pressure transmitter which can take have a large excluding volume, and prevent a sensor breakage due to excessive pressure.This device comprises a high-pressure (HP) side preliminary load diaphragm 32 a...  
JP3801837
To provide an instrument with which the oral cavity-pressure including the tongue pressure of a patient can be measured easily and a disposable probe used for the instrument. The oral cavity-related pressure measuring instrument is const...  
JP3800623
To provide a pressure receiving part capable of taking a large displacement even at a low pressure by forming a pre-loaded diaphragm in a wave shape. This transmitter comprises a high pressure side diaphragm part having a high pressure s...  
JP2006105707
To provide a pressure detector of high diagnostic accuracy, and to provide a diagnostic method of clogging.The pressure detector for detecting the pressure of a connecting tube, based on the deviation of the fluctuation of the pressure, ...  
JP3790081
To enable measurement of a height between two points requiring no special skill free from trouble regardless of the absence of clear perspective and the existence of any obstacle. A water tank 2 is installed at a measuring point P1 and a...  
JP2006090979
To provide a differential pressure measuring system capable of forming an interference fringe on a light receiving element by correcting an optical path difference.This system is equipped with a light source 4 for irradiating light, the ...  
JP2006078200
To provide a differential pressure sensor of noncontact type capable of maintaining high detection accuracy.The differential pressure sensor 1 for detecting the differential pressure of the working fluid between the high-pressure side an...  
JP2006078199
To provide the differential pressure sensor of a noncontact type capable of maintaining high detection accuracy.The differential pressure sensor 1 for detecting the differential pressure of the working fluid between the high-pressure sid...  
JP2006078453
To provide a differential pressure measuring system capable of eliminating a measuring error caused by a temperature change, without requiring a computer processing.This differential pressure measuring system is provided with a light sou...  
JP2006077865
To provide a fluid circuit module having a small physical size.The fluid circuit module 20 for an automatic transmission is provided for controlling fluid to be supplied to a movable element. It comprises a first body 24 forming a first ...  
JP2006058070
To provide a differential pressure measuring system capable of excluding a measurement error resulting from a temperature change, without requiring computer processing.The system is provided with a light source 4 for emitting light of a ...  
JP2006030098
To simplify calculation of determining a constant constituting a function f(P) previously in calibration and to reduce labor of the calibration, in a pressure measuring device that detects sensor capacitances C1(P) and C2(P) varying diff...  
JP2006023109
To prevent the occurrence of oscillation ripples as much as possible and reduce output errors due to the oscillations in a differential pressure detection type pressure sensor in which both pressure receiving surfaces of a pressure detec...  
JP3758001
To attain a minimum disturbed flow in an eddy chamber and further make a minimum releasing of counter-flow of air containing smoky fog by a method wherein an amount of air flowing to a discharging system through a bypass passage is chang...  
JP3758185
To provide a differential pressure transmitter capable of preventing coagulation of a fluid which is to be measured by estimating heat retention condition of a pressure guiding piping or a flange which guide in the fluid to be measured, ...  
JP2005331252
To provide a protector for protecting an apparatus from entrance of foreign matter capable of easily attaching/detaching to the apparatus and capable of protecting from the entrance of insect or grit into the opening of the apparatus at ...  
JP2005330935
To predict the life of a hydraulic pump by detecting the sign of pump rupture before the hydraulic pump is ruptured.The delivery pressure 122 of the hydraulic pump, an oil temperature 126, and drain filter pressure difference 120 are det...  

Matches 351 - 400 out of 1,317