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Patent Searching and Data


Matches 601 - 650 out of 3,588

Document Document Title
JP2005331252A
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 ...  
JP2005330935A
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...  
JP2005315890A
To expand and improve a function, reliability and convenience, starting from a micromechanical sensor for detecting at least the first pressure of the first medium having at least one substrate 100 comprising a semiconductor material, an...  
JP2005292911A
To provide a low-cost and easy-to-maintain electropneumatic converter or valve positioner.The electropneumatic converter or valve positioner comprises differential pressure measuring means for measuring a correct gauge pressure by differ...  
JP2005291740A
To implement a differential pressure measuring apparatus in which the temperature characteristics of a wetted part are improved.The differential pressure measuring apparatus provided with a wetted diaphragm having one surface side in con...  
JP2005283447A
To provide a pressure sensor capable of preventing water and dust from intruding into a pressure sensor inner space, by a simple constitution, and allowing inexpensive production.This pressure sensor is provided with an electric wire ins...  
JP2005274265A
To actualize a low-cost flow meter for directly detecting a flow rate by solving a problem on a flow meter depending on conventional art.This flow meter uses one differential pressure gage using metallic diaphragms and an orifice 6 excha...  
JP2005274501A
To provide a pressure detector that can simply diagnose the occurrence of jamming of a high-pressure side connecting pipe and a low-pressure side connecting tube, and to provide a jamming diagnosing method thereof.The pressure detector c...  
JP2005530150A  
JP2005257498A
To electrically shield a circuit section from external noises, while using an inexpensive structure of a pressure sensor, in which a sensing element for detecting pressures receives a pressure to be measured via a conductive diaphragm.Th...  
JP3722037B2
To simplify assembly configuration in a pressure sensor device constituted by assembling a sensor element for detecting pressure on a circuit board. This pressure sensor device is provided with the circuit board 10, the sensor element 20...  
JP3718847B2
To provide a differential pressure measuring apparatus that can easily and inexpensively confirm that connecting piping is clogged. In the differential pressure measuring apparatus, measurement fluid is introduced to a differential press...  
JP2005249515A
To prevent a wire connected with a sensor and a diaphragm from contact causing generation of a short circuit as much as possible, in the pressure sensor of a differential pressure measurement system for measuring the pressure via a diaph...  
JP2005527818A  
JP2005527787A  
JP3714414B2
To provide a structure capable of reducing or eliminating the surface tensions of enclosed liquids by providing voids in between the rear surfaces of overpressure-protected diaphragms and the surfaces of contact liquids. This differentia...  
JP2005526232A  
JP3711556B2
To make a diaphragm seal unit portion replaced easily, to enhance maintainability, and to cope with various kinds of processes. This diaphragm seal type differential pressure measuring instrument provided with the diaphragm seal unit via...  
JP2005227137A
To provide a differential pressure transmitter which will not reduce the resistance to pressure for differential pressure even when thermal strain on a block section is not permitted to be transmitted to a detection element, by increasin...  
JP3709985B2
To provide an inexpensive device for measuring differential pressure which has a detection function for an anomaly of a pressure part such as failure of liquid-contact diaphragms or permeation of gaseous hydrogen into a pressure room. Th...  
JP2005221350A
To provide a process connector capable of easily replacing the main body or receiving maintenance of a differential pressure measuring device.The process connector is provided with a communication hole on one side, and a pressure receivi...  
JP3684229B2  
JP2005207743A
To provide an inexpensive differential pressure measuring instrument of stable characteristic.This differential pressure measuring instrument is provided with high pressure side and low pressure side seal diaphragms provided in a body, a...  
JP2005194943A
To provide a pressure detection device for controlling an engine and its method excellent in stability of a circuit and common noise resistance, for integrating a filter function without an additional operational amplifier.The pressure d...  
JP3693890B2
To provide a fluctuation pressure sensor suitable for the detection of a slight pressure fluctuation such as the detection of a vibration pressure in a flow meter by a fluidic type fluid oscillator or a Karman's vortex flow meter. A piez...  
JP2005172432A
To compactify an element dimension of a micro structure used as various kinds of sensors such as a pressure sensor, and used as a flow passage for a micro sample in an analytical equipment or the like.This micro structure is provided wit...  
JP2005173931A
To decide a user condition from performance at the time of an input operation by the user.With the provision of a detection section for detecting a key stroke speed and key stroke intensity, an impatience condition of the user is detecte...  
JP3687647B2
To accurately detect air pressure inside a duct even in fire occurrence, and to enhance thereby reliability for control of pressurized air. This device is provided with pressure sensors 10, 11 for detecting the air pressures in a pressur...  
JP3687656B2
To provide a connecting tube structure obtained by noticing that installing two differential-pressure connecting tubes outside an exhaust tower satisfies their functions through ensuring that temperature difference between gases due to t...  
JP2005156307A
To prevent a sealing ring from being omitted or damaged at the its attachment it to a measurement member, regarding a pressure sensor which is constituted, such that the pressure sensing part housed in the case is introduced with the pre...  
JP3657006B2  
JP3680313B2
To provide an inexpensive differential pressure measuring apparatus with improved resistance to corrosion. The differential pressure measuring apparatus is provided with a seal-diaphragm-protruded diaphragm unit provided with a protruded...  
JP3679477B2
To improve the execution property of a flowing water detecting device at the site and save the space and reduce the cost by miniaturizing it. A control valve 30 is constituted of a control valve main body 30A integrally formed with a fla...  
JP2005127876A
To provide a measuring device such as a leak tester capable of guaranteeing measurement accuracy, while reducing a user load, preventing surely a failure, and thereby reducing repair cost.The leak tester is equipped with a measuring syst...  
JP2005120839A
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...  
JP2005114453A
To provide a differential pressure measuring system capable of maintaining a good pressure transmission characteristic without generating bubbles in sealed liquid.The differential pressure measuring system comprises a differential pressu...  
JP3671465B2
To attain measurement of blood pressure readily through the operating sense of an audio visual device by adding a blood pressure measurement function to the audio-visual apparatus. An operation section 3 is used to set the blood pressure...  
JP2005114167A
To provide a process seal for process control reducing force that is necessary for sealing.The process seal for the process control transmitter is provided. The seal includes a contact area providing a metal to metal seal with respect to...  
JP2005114734A
To provide a pressure sensor for detecting a pressure level of a pressure medium.The pressure sensor comprises both high pressure side and low pressure side. A seal for sealing the high pressure side from the low pressure side is placed ...  
JP2005090451A
To provide a highly reliable differential pressure measuring device for accurately measuring differential pressure between the pressure of exhaust gas and the atmospheric pressure and avoiding the closure of an atmospheric opening due to...  
JP2005077097A
To provide a fluid leakage detector capable of detecting leakage of inert gas filled in a storage case of a high-voltage electric power source part in an inertia navigation system of an aircraft, and capable of preventing the inert gas i...  
JP2005069705A
To reduce cost by simplifying the constitution of a detector used for detecting both the differential pressure (P1-P2) between an upstream-side (high-pressure side) pressure P1 and a downstream-side (low-pressure side) pressure P2 of a r...  
JP3655978B2
To provide the certainty of a fire alarm by certainly prevent erroneous information at the time of momentary water passing in a flowing water control valve in a working valve type flowing water detecting device. The outside of a valve ma...  
JP3627766B2  
JP2005049245A
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 prelo...  
JP2005043198A
To provide a semiconductor differential pressure measuring device having an excessive pressure protection means and a damping means in a sensor chip.The semiconductor differential pressure measuring device is equipped with a recession wh...  
JP2005024382A
To provide a differential pressure measuring apparatus having a protection diaphragm with specified tension in the radial direction and sufficient corrosion resistance, and to provide a method for manufacturing the differential pressure ...  
JP3613005B2  
JP2005010021A
To provide a differential pressure transmitter accurately calculating a differential pressure between a high pressure side and a low pressure side generated by pressure receiving diaphragms, by providing a correction means for correcting...  
JP3633779B2
To reduce maintenance costs, by setting a boss part having one end fixed to a connection part of a pressure introduction tube to a diaphragm seal unit, a needle part connecting the diaphragm seal unit, and the pressure introduction tube,...  

Matches 601 - 650 out of 3,588