KR890700815A - 격리 장치 - Google Patents

격리 장치

Info

Publication number
KR890700815A
KR890700815A KR1019880701462A KR880701462A KR890700815A KR 890700815 A KR890700815 A KR 890700815A KR 1019880701462 A KR1019880701462 A KR 1019880701462A KR 880701462 A KR880701462 A KR 880701462A KR 890700815 A KR890700815 A KR 890700815A
Authority
KR
South Korea
Prior art keywords
isolation device
isolation
Prior art date
Application number
KR1019880701462A
Other languages
English (en)
Other versions
KR970001970B1 (ko
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of KR890700815A publication Critical patent/KR890700815A/ko
Application granted granted Critical
Publication of KR970001970B1 publication Critical patent/KR970001970B1/ko

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/08Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0627Protection against aggressive medium in general
    • G01L19/0645Protection against aggressive medium in general using isolation membranes, specially adapted for protection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/12Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
KR1019880701462A 1987-03-12 1988-03-07 격리 장치 KR970001970B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US024,981 1987-03-12
US07/024,981 US4798089A (en) 1987-03-12 1987-03-12 Isolator apparatus
PCT/US1988/000694 WO1988007185A1 (en) 1987-03-12 1988-03-07 Isolator apparatus

Publications (2)

Publication Number Publication Date
KR890700815A true KR890700815A (ko) 1989-04-27
KR970001970B1 KR970001970B1 (ko) 1997-02-20

Family

ID=21823387

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880701462A KR970001970B1 (ko) 1987-03-12 1988-03-07 격리 장치

Country Status (9)

Country Link
US (1) US4798089A (ko)
EP (1) EP0370013B1 (ko)
JP (1) JP2696375B2 (ko)
KR (1) KR970001970B1 (ko)
CN (1) CN1013224B (ko)
CA (1) CA1322472C (ko)
DE (1) DE3889914T2 (ko)
HK (1) HK147994A (ko)
WO (1) WO1988007185A1 (ko)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930041A (en) * 1988-12-08 1990-05-29 Itt Corporation Potentiometer position switch circuit
DE3912217A1 (de) * 1989-04-13 1990-10-18 Endress Hauser Gmbh Co Drucksensor
US4993754A (en) * 1989-09-29 1991-02-19 Rosemount Inc. Liquid level coplanar transmitter adapter
EP0456029B1 (en) * 1990-05-10 1994-12-14 Yokogawa Electric Corporation Vibrating type pressure measuring device
US5095755A (en) * 1990-11-01 1992-03-17 Rosemount Inc. Isolator for pressure transmitter
KR0163443B1 (ko) * 1991-07-04 1999-03-30 나까오 다께시 압력측정장치
US5285690A (en) * 1992-01-24 1994-02-15 The Foxboro Company Pressure sensor having a laminated substrate
FR2694084B1 (fr) * 1992-07-24 1994-09-30 Sames Sa Dispositif de mesure de débit d'un liquide.
US5349491A (en) * 1992-11-06 1994-09-20 Kavlico Corporation Pre-stressed pressure transducer and method of forming same
DE4308718C2 (de) * 1993-03-15 1996-04-25 Siemens Ag Druckdifferenz-Meßumformer
WO1995008759A1 (en) * 1993-09-24 1995-03-30 Rosemount Inc. Pressure transmitter isolation diaphragm
CA2206603A1 (en) 1994-12-08 1996-06-13 Rosemount Inc. Manifold for use with a pressure transmitter
US5731522A (en) * 1997-03-14 1998-03-24 Rosemount Inc. Transmitter with isolation assembly for pressure sensor
US6484585B1 (en) 1995-02-28 2002-11-26 Rosemount Inc. Pressure sensor for a pressure transmitter
EP0768060A1 (en) * 1995-10-10 1997-04-16 Ohmeda Inc. Disposable differential pressure transducer
US5728942A (en) * 1995-11-28 1998-03-17 Boger; Henry W. Fluid pressure measuring system for control valves
US5757608A (en) * 1996-01-25 1998-05-26 Alliedsignal Inc. Compensated pressure transducer
US5668322A (en) * 1996-06-13 1997-09-16 Rosemount Inc. Apparatus for coupling a transmitter to process fluid having a sensor extension selectively positionable at a plurality of angles
US5741975A (en) * 1996-07-31 1998-04-21 Motorola, Inc. Media isolated differential pressure sensor and fluid injection method
US5955675A (en) * 1996-09-30 1999-09-21 Rosemount Inc. Self energizing process seal for process control transmitter
US5988203A (en) * 1997-10-01 1999-11-23 Hutton; Peter B. Two-piece manifold
USD415703S (en) * 1997-12-04 1999-10-26 Hutton Peter B Manifold
USD410398S (en) * 1997-12-04 1999-06-01 Hutton Peter B Manifold
USD407984S (en) * 1997-12-04 1999-04-13 Hutton Peter B Manifold
US5922965A (en) * 1998-04-28 1999-07-13 Rosemount Inc. Pressure sensor and transmitter having a weld ring with a rolling hinge point
US6079443A (en) * 1998-10-19 2000-06-27 Hutton; Peter B. Instrument valve manifolds for use with pressure transmitters
USD423387S (en) * 1998-10-19 2000-04-25 Hutton Peter B Instrument manifolds for use with pressure transmitters
US6000427A (en) * 1998-10-19 1999-12-14 Hutton; Peter B. Manifold for use with dual pressure sensor units
AU7835100A (en) 1999-09-28 2001-04-30 Rosemount Inc. Environmentally sealed instrument loop adapter
US6484107B1 (en) 1999-09-28 2002-11-19 Rosemount Inc. Selectable on-off logic modes for a sensor module
US6487912B1 (en) 1999-09-28 2002-12-03 Rosemount Inc. Preinstallation of a pressure sensor module
US6510740B1 (en) 1999-09-28 2003-01-28 Rosemount Inc. Thermal management in a pressure transmitter
US7134354B2 (en) * 1999-09-28 2006-11-14 Rosemount Inc. Display for process transmitter
US6571132B1 (en) 1999-09-28 2003-05-27 Rosemount Inc. Component type adaptation in a transducer assembly
US6765968B1 (en) 1999-09-28 2004-07-20 Rosemount Inc. Process transmitter with local databus
US6543291B1 (en) * 2000-01-06 2003-04-08 Kulite Semiconductor Products, Inc. Wet-to-wet pressure sensing assembly
DE50016091D1 (de) * 2000-02-22 2011-05-19 Endress & Hauser Gmbh & Co Kg Drucksensor
US6546805B2 (en) 2000-03-07 2003-04-15 Rosemount Inc. Process fluid transmitter with an environmentally sealed service block
US6662662B1 (en) 2000-05-04 2003-12-16 Rosemount, Inc. Pressure transmitter with improved isolator system
US6504489B1 (en) 2000-05-15 2003-01-07 Rosemount Inc. Process control transmitter having an externally accessible DC circuit common
US6480131B1 (en) 2000-08-10 2002-11-12 Rosemount Inc. Multiple die industrial process control transmitter
DE10049996A1 (de) * 2000-10-10 2002-04-11 Endress Hauser Gmbh Co Druckmessaufnehmer
US6516672B2 (en) 2001-05-21 2003-02-11 Rosemount Inc. Sigma-delta analog to digital converter for capacitive pressure sensor and process transmitter
US6484589B1 (en) * 2001-05-30 2002-11-26 Senx Technology Piezoelectric transducer assemblies and methods for their use
US6684711B2 (en) 2001-08-23 2004-02-03 Rosemount Inc. Three-phase excitation circuit for compensated capacitor industrial process control transmitters
US6581441B1 (en) * 2002-02-01 2003-06-24 Perseptive Biosystems, Inc. Capillary column chromatography process and system
US6662818B2 (en) * 2002-02-01 2003-12-16 Perseptive Biosystems, Inc. Programmable tracking pressure regulator for control of higher pressures in microfluidic circuits
US7109883B2 (en) * 2002-09-06 2006-09-19 Rosemount Inc. Low power physical layer for a bus in an industrial transmitter
US7773715B2 (en) * 2002-09-06 2010-08-10 Rosemount Inc. Two wire transmitter with isolated can output
US6901803B2 (en) * 2003-10-02 2005-06-07 Rosemount Inc. Pressure module
US7080558B2 (en) 2003-10-06 2006-07-25 Rosemount Inc. Process seal for process control transmitter
US7117745B2 (en) * 2004-02-09 2006-10-10 Rosemount Inc. Process seal for process control transmitter
JP2005274265A (ja) * 2004-03-24 2005-10-06 Nippon M K S Kk 流量計
US7036381B2 (en) * 2004-06-25 2006-05-02 Rosemount Inc. High temperature pressure transmitter assembly
US7525419B2 (en) * 2006-01-30 2009-04-28 Rosemount Inc. Transmitter with removable local operator interface
DE102007015179A1 (de) * 2007-03-29 2008-10-02 Siemens Ag Druckmessvorrichtung und Verfahren zur Bestimmung der Windkraft auf Windenergieanlagen sowie Verwendung der Druckmessvorrichtung und des Verfahrens
US7448275B1 (en) 2007-09-12 2008-11-11 Rosemount Inc. Bi-planar process fluid pressure measurement system
DE102007056844A1 (de) 2007-11-23 2009-06-10 Endress + Hauser Gmbh + Co. Kg Membranbett für einen Druckmittler, Druckmittler mit einem solchen Membranbett sowie Drucksensor mit einem solchen Druckmittler
CN101738286B (zh) * 2008-11-24 2011-12-21 重庆川仪自动化股份有限公司 用于压力/差压传感器的对地隔离装置
US8015882B2 (en) * 2009-06-04 2011-09-13 Rosemount Inc. Industrial process control pressure transmitter and flange coupling
RU2531755C9 (ru) * 2009-06-05 2014-12-27 Кси, Ллк Система подачи жидкости с точно заданным непрерывно регулируемым давлением
GB0915056D0 (en) * 2009-08-28 2009-09-30 T 3 Energy Services Inc Pressure sensor
US8334788B2 (en) * 2010-03-04 2012-12-18 Rosemount Inc. Process variable transmitter with display
EP2418503B1 (en) * 2010-07-14 2013-07-03 Sensirion AG Needle head
US8333117B2 (en) * 2011-02-08 2012-12-18 Quartzdyne, Inc. Isolation elements including one or more diaphragms, sensors including isolation elements, and related methods
DE102012025070A1 (de) 2012-12-21 2014-06-26 Endress + Hauser Gmbh + Co. Kg Hydraulisches Messwerk mit koplanaren Druckeingängen und Differenzdrucksensor mit einem solchen Messwerk
DE102012113042A1 (de) 2012-12-21 2014-06-26 Endress + Hauser Gmbh + Co. Kg Hydraulisches Messwerk mit koplanaren Druckeingängen und Differenzdrucksensor mit einem solchen Messwerk
DE102013106601A1 (de) 2013-06-25 2015-01-08 Endress + Hauser Gmbh + Co. Kg Druckmessgerät, insbesondere Differenzdruckmessgerät
CN104583742B (zh) * 2013-07-19 2016-12-28 罗斯蒙特公司 包括具有两件式隔离插塞的隔离组件的压力变送器
US9103739B2 (en) 2013-09-27 2015-08-11 Rosemount Inc. Seal for pressure transmitter for use in industrial process
DE102014102719A1 (de) * 2014-02-28 2015-09-03 Endress + Hauser Gmbh + Co. Kg Differenzdruckmessaufnehmer
US9513183B2 (en) * 2014-06-30 2016-12-06 Rosemount Inc. Process isolation diaphragm assembly for metal process seal
US9683675B2 (en) * 2014-11-24 2017-06-20 General Electric Company Pressure modulator
US10386001B2 (en) * 2015-03-30 2019-08-20 Rosemount Inc. Multiple field device flange
EP3324168A4 (en) * 2015-07-14 2019-03-20 NGK Spark Plug Co., Ltd. PRESSURE SENSOR
WO2019222598A1 (en) 2018-05-17 2019-11-21 Rosemount Inc. Measuring element and measuring device comprising the same
CN110849540B (zh) * 2019-11-27 2021-04-06 中国航空工业集团公司北京长城计量测试技术研究所 薄膜式液体介质隔离装置
DE102020132960A1 (de) 2020-12-10 2022-06-15 Endress+Hauser SE+Co. KG Differenzdruckmessaufnehmer mit Überlastschutz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US419991A (en) * 1890-01-21 John herby
US1924091A (en) * 1929-06-24 1933-08-29 George Fabyan Sound meter
US2671833A (en) * 1950-06-13 1954-03-09 Bruce H Dunmyer Pressure responsive apparatus
US2725749A (en) * 1951-03-30 1955-12-06 Donald C Green Pressure gage protector
US2989084A (en) * 1956-04-13 1961-06-20 Jones Barton Exterior seal for differential pressure gages
US3618390A (en) * 1969-10-27 1971-11-09 Rosemount Eng Co Ltd Differential pressure transducer
JPS56102445U (ko) * 1980-01-07 1981-08-11
US4370890A (en) * 1980-10-06 1983-02-01 Rosemount Inc. Capacitive pressure transducer with isolated sensing diaphragm

Also Published As

Publication number Publication date
CN1013224B (zh) 1991-07-17
KR970001970B1 (ko) 1997-02-20
EP0370013A1 (en) 1990-05-30
HK147994A (en) 1995-01-06
US4798089A (en) 1989-01-17
WO1988007185A1 (en) 1988-09-22
EP0370013B1 (en) 1994-06-01
DE3889914D1 (de) 1994-07-07
EP0370013A4 (en) 1991-07-31
CN88101231A (zh) 1988-09-21
JPH02502485A (ja) 1990-08-09
JP2696375B2 (ja) 1998-01-14
DE3889914T2 (de) 1995-01-05
CA1322472C (en) 1993-09-28

Similar Documents

Publication Publication Date Title
KR890700815A (ko) 격리 장치
ATA194988A (de) Befestigungsvorrichtung
IT1220493B (it) Dispositivo di accoppiamento
FI92889B (fi) Palonilmaisulaite
ATA244387A (de) Kupplungseinrichtung
BR8800958A (pt) Dispositivo posicionador
DK297187D0 (da) Regnbuedannende anordning
BR8705585A (pt) Dispositivo oxigenador
BR8803670A (pt) Dispositivo cilindro-embolo
KR880018146U (ko) 스타터장치
DK60189D0 (da) Fjernvarme-transmissionsindretning
KR890700199A (ko) 진동절연장치
ATA207388A (de) Konfektioniervorrichtung
DK360387A (da) Bestraalingsanordning
BR8703368A (pt) Dispositivo vibro-estimulador
BR8807485A (pt) Dispositivo fosforescente
IT208171Z2 (it) Dispositivo seguicamma
DK245788A (da) Placeringsindretning
NO175552C (no) Koplingsenhet
KR890010863U (ko) 스타터 장치
ES1001000Y (es) Dispositivo antihemorroidal
KR890003929U (ko) 수신 장치
BR8705352A (pt) Dispositivo taquimetrico
ATA121086A (de) Iontophoresegeraet
IT1221931B (it) Dispositivo lavabicchieri

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20000218

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee