KR890700221A - 코리올리 유형의 질량 유량계 - Google Patents

코리올리 유형의 질량 유량계

Info

Publication number
KR890700221A
KR890700221A KR1019880700745A KR880700745A KR890700221A KR 890700221 A KR890700221 A KR 890700221A KR 1019880700745 A KR1019880700745 A KR 1019880700745A KR 880700745 A KR880700745 A KR 880700745A KR 890700221 A KR890700221 A KR 890700221A
Authority
KR
South Korea
Prior art keywords
loop
straight section
inlet
parallel
mass flow
Prior art date
Application number
KR1019880700745A
Other languages
English (en)
Other versions
KR960000099B1 (ko
Inventor
웨이드 엠. 매터
듀네 티. 톰슨
죠셉 피. 데칼로
유시프 후사인
고든 더블유. 치티
Original Assignee
더폭스보로 컴패니
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 by 더폭스보로 컴패니 filed Critical 더폭스보로 컴패니
Publication of KR890700221A publication Critical patent/KR890700221A/ko
Application granted granted Critical
Publication of KR960000099B1 publication Critical patent/KR960000099B1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8431—Coriolis or gyroscopic mass flowmeters constructional details electronic circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point
    • G01F1/8486—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point with multiple measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measuring Volume Flow (AREA)
  • Polyesters Or Polycarbonates (AREA)
KR1019880700745A 1986-10-28 1986-10-21 코리올리 유형의 질량유량계 KR960000099B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US923,847 1986-10-28
US06/923,847 US4891991A (en) 1986-10-28 1986-10-28 Coriolis-type mass flowmeter
PCT/US1987/002759 WO1988003261A1 (en) 1986-10-28 1987-10-21 Coriolis-type mass flowmeter

Publications (2)

Publication Number Publication Date
KR890700221A true KR890700221A (ko) 1989-03-10
KR960000099B1 KR960000099B1 (ko) 1996-01-03

Family

ID=25449350

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880700745A KR960000099B1 (ko) 1986-10-28 1986-10-21 코리올리 유형의 질량유량계

Country Status (11)

Country Link
US (1) US4891991A (ko)
EP (2) EP0696726A3 (ko)
JP (1) JPH02501006A (ko)
KR (1) KR960000099B1 (ko)
CN (1) CN1021084C (ko)
AT (1) ATE139335T1 (ko)
AU (3) AU619450B2 (ko)
CA (1) CA1330725C (ko)
DE (1) DE3751835T2 (ko)
FI (1) FI892013A (ko)
WO (1) WO1988003261A1 (ko)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271281A (en) * 1986-10-28 1993-12-21 The Foxboro Company Coriolis-type mass flowmeter
US5343764A (en) * 1986-10-28 1994-09-06 The Foxboro Company Coriolis-type mass flowmeter
KR960000099B1 (ko) * 1986-10-28 1996-01-03 더폭스보로 컴패니 코리올리 유형의 질량유량계
GB8705758D0 (en) * 1987-03-11 1987-04-15 Schlumberger Electronics Uk Mass flow measurement
US4852409A (en) * 1988-06-09 1989-08-01 Fischer & Porter Company Signal recovery system for mass flowmeter
US5115683A (en) * 1988-09-27 1992-05-26 K-Flow Division Of Kane Steel Co., Inc. Coriolis mass flow meter adapted for low flow rates
US5048350A (en) * 1989-12-05 1991-09-17 The Foxboro Company Electromagnetic driver and sensor
US5485755A (en) * 1990-11-21 1996-01-23 Lew; Hyok S. Mass flowmeter
WO1992014123A1 (en) * 1991-02-05 1992-08-20 Donald Reed Cage Improved coriolis mass flow rate meter
US5373745A (en) * 1991-02-05 1994-12-20 Direct Measurement Corporation Single path radial mode Coriolis mass flow rate meter
US5448921A (en) * 1991-02-05 1995-09-12 Direct Measurement Corporation Coriolis mass flow rate meter
US5497665A (en) * 1991-02-05 1996-03-12 Direct Measurement Corporation Coriolis mass flow rate meter having adjustable pressure and density sensitivity
US5230254A (en) * 1992-01-22 1993-07-27 Ametek Aerospace Products Inc. Coriolis mass flowmeter with multiple vibrating tubes
US5370002A (en) * 1993-07-23 1994-12-06 Micro Motion, Inc. Apparatus and method for reducing stress in the brace bar of a Coriolis effect mass flow meter
US5546814A (en) * 1994-10-26 1996-08-20 The Foxboro Company Parallel-flow coriolis-type mass flowmeter with flow-dividing manifold
JP3073418B2 (ja) * 1995-02-01 2000-08-07 王子製紙株式会社 紙マルチシート及び紙マルチシートの製造方法
DE59508708D1 (de) * 1995-07-21 2000-10-12 Flowtec Ag Coriolis-Massedurchflussmesser mit mindestens einem Messrohr
US5753827A (en) * 1995-10-17 1998-05-19 Direct Measurement Corporation Coriolis meteR having a geometry insensitive to changes in fluid pressure and density and method of operation thereof
DE59604029D1 (de) * 1995-10-26 2000-02-03 Flowtec Ag Coriolis-Massedurchflussaufnehmer mit einem einzigen Messrohr
US5907104A (en) * 1995-12-08 1999-05-25 Direct Measurement Corporation Signal processing and field proving methods and circuits for a coriolis mass flow meter
US5926096A (en) * 1996-03-11 1999-07-20 The Foxboro Company Method and apparatus for correcting for performance degrading factors in a coriolis-type mass flowmeter
US5827979A (en) * 1996-04-22 1998-10-27 Direct Measurement Corporation Signal processing apparati and methods for attenuating shifts in zero intercept attributable to a changing boundary condition in a Coriolis mass flow meter
US6332367B1 (en) 1997-03-11 2001-12-25 Micro Motion, Inc. Dual loop Coriolis effect mass flowmeter
US6311136B1 (en) * 1997-11-26 2001-10-30 Invensys Systems, Inc. Digital flowmeter
US7784360B2 (en) * 1999-11-22 2010-08-31 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US7404336B2 (en) 2000-03-23 2008-07-29 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US8467986B2 (en) 1997-11-26 2013-06-18 Invensys Systems, Inc. Drive techniques for a digital flowmeter
US8447534B2 (en) 1997-11-26 2013-05-21 Invensys Systems, Inc. Digital flowmeter
US20030216874A1 (en) 2002-03-29 2003-11-20 Henry Manus P. Drive techniques for a digital flowmeter
US7124646B2 (en) * 1997-11-26 2006-10-24 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
EP1484585B1 (en) * 1997-11-26 2010-09-15 Invensys Systems, Inc. Coriolis flowmeter with digital control system
US6178828B1 (en) 1998-02-11 2001-01-30 Wade M. Mattar Free standing Coriolis driver
US6227059B1 (en) 1999-01-12 2001-05-08 Direct Measurement Corporation System and method for employing an imaginary difference signal component to compensate for boundary condition effects on a Coriolis mass flow meter
DE19908072C2 (de) * 1999-02-12 2002-10-17 Krohne Ag Basel Massendurchflußmeßgerät
DE01918944T1 (de) * 2000-03-23 2004-10-21 Invensys Systems, Inc., Foxboro Korrektur für eine zweiphasenströmung in einem digitalen durchflussmesser
US7059199B2 (en) * 2003-02-10 2006-06-13 Invensys Systems, Inc. Multiphase Coriolis flowmeter
US7188534B2 (en) * 2003-02-10 2007-03-13 Invensys Systems, Inc. Multi-phase coriolis flowmeter
US7065455B2 (en) * 2003-08-13 2006-06-20 Invensys Systems, Inc. Correcting frequency in flowtube measurements
US7040181B2 (en) 2004-03-19 2006-05-09 Endress + Hauser Flowtec Ag Coriolis mass measuring device
US7284449B2 (en) 2004-03-19 2007-10-23 Endress + Hauser Flowtec Ag In-line measuring device
DE102004018326B4 (de) 2004-04-13 2023-02-23 Endress + Hauser Flowtec Ag Vorrichtung und Verfahren zum Messen einer Dichte und/oder einer Viskosität eines Fluids
DE102004035971A1 (de) * 2004-07-23 2006-02-16 Endress + Hauser Flowtec Ag Meßaufnehmer vom Vibrationstyp zum Messen von in zwei Mediumsleitungen strömenden Medien sowie In-Line-Meßgerät mit einem solchen Meßaufnehmer
US7127952B2 (en) 2004-07-23 2006-10-31 Endress + Hauser Flowtec Ag Vibration-type measurement pickup for measuring media flowing in two medium-lines, and inline measuring device having such a pickup
JP3812844B2 (ja) * 2004-09-17 2006-08-23 株式会社オーバル 三次モード振動式コリオリ流量計
US20090075129A1 (en) * 2004-12-27 2009-03-19 Integrated Sensing Systems, Inc. Microfluidic device and method of use
DE102005025354A1 (de) * 2005-05-31 2006-12-07 Endress + Hauser Flowtec Ag Coriolis Massendurchflussmesser und Verfahren zur Kompensation von Übertragungsfehlern von dessen Eingangsschaltung
US7555397B2 (en) 2005-05-31 2009-06-30 Endress + Hauser Flowtec Ag Coriolis mass flow meter and method for compensation of transmission errors of its input circuit
US7313488B2 (en) * 2005-07-11 2007-12-25 Invensys Systems, Inc. Coriolis mode processing techniques
DE102005046319A1 (de) 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Verfahren zum Messen eines in einer Rohrleitung strömenden Mediums sowie Meßsystem dafür
WO2007074055A1 (en) 2005-12-27 2007-07-05 Endress+Hauser Flowtec Ag In-line measuring devices and method for compensating measurement errors in in-line measuring devices
US7360453B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
US7360452B2 (en) * 2005-12-27 2008-04-22 Endress + Hauser Flowtec Ag In-line measuring devices and method for compensation measurement errors in in-line measuring devices
JP4254966B2 (ja) * 2006-03-14 2009-04-15 株式会社オーバル 振動方向規制手段を有するコリオリ流量計
DE102006013601A1 (de) * 2006-03-22 2007-09-27 Endress + Hauser Flowtec Ag Meßaufnehmer vom Vibrationstyp
US7617055B2 (en) 2006-08-28 2009-11-10 Invensys Systems, Inc. Wet gas measurement
DE102006062600B4 (de) 2006-12-29 2023-12-21 Endress + Hauser Flowtec Ag Verfahren zum Inbetriebnehmen und/oder Überwachen eines In-Line-Meßgeräts
US7628082B2 (en) * 2007-06-25 2009-12-08 Integrated Sensing Systems, Inc. Microfluidic device and microtube therefor
CN101981416A (zh) * 2008-03-25 2011-02-23 微动公司 双传感器振动流量计
DE102008016235A1 (de) 2008-03-27 2009-10-01 Endress + Hauser Flowtec Ag Verfahren zum Betreiben eines auf einer rotierenden Karussell-Abfüllmachine angeordneten Meßgeräts
WO2009149210A1 (en) 2008-06-03 2009-12-10 Gilbarco, Inc. Dispensing equipment utilizing coriolis flow meters
DE102008050115A1 (de) 2008-10-06 2010-04-08 Endress + Hauser Flowtec Ag In-Line-Meßgerät
DE102008050113A1 (de) 2008-10-06 2010-04-08 Endress + Hauser Flowtec Ag In-Line-Meßgerät
DE102008050116A1 (de) 2008-10-06 2010-04-08 Endress + Hauser Flowtec Ag In-Line-Meßgerät
DE102012201592B3 (de) * 2012-02-03 2013-03-14 Siemens Aktiengesellschaft Coriolis-Massendurchflussmessgerät
RU2598167C1 (ru) * 2012-09-18 2016-09-20 Майкро Моушн, Инк. Конструкция сборки вибрационного датчика с монолитным держателем трубопровода
US9677921B2 (en) 2013-08-22 2017-06-13 Malema Engineering Corporation Method of manufacturing a Coriolis mass flow rate sensor from a polymeric material
AU2015387555B2 (en) * 2015-03-25 2018-06-28 Micro Motion, Inc. Apparatus and method for reducing braze joint stress in a vibrating flowmeter
JP6178033B1 (ja) * 2017-04-03 2017-08-09 株式会社アツデン コリオリ式質量流量計
CN107478285B (zh) * 2017-07-25 2020-03-20 大连美天三有电子仪表有限公司 科氏力质量流量计
AT520618B1 (de) * 2017-08-31 2022-09-15 Johannes Kepler Univ Linz Vorrichtung zur Bestimmung der Viskosität einer Flüssigkeit
EP3704447B1 (en) * 2017-11-02 2024-03-13 Micro Motion, Inc. Compact vibrating type flowmeter
CN110044432B (zh) * 2019-04-26 2021-09-28 江苏华海测控技术有限公司 一种质量流量计
DE102019135303B4 (de) * 2019-12-19 2024-03-14 Endress + Hauser Flowtec Ag Messaufnehmer eines Messgerätes zum Erfassen eines Massedurchflusses, einer Viskosität, einer Dichte und/oder einer davon abgeleiteten Größe eines fließfähigen Mediums
US11619532B2 (en) 2020-04-10 2023-04-04 Malema Engineering Corporation Replaceable, gamma sterilizable Coriolis flow sensors
DE102020114518A1 (de) 2020-05-29 2021-12-02 Endress+Hauser Flowtec Ag Messaufnehmer eines Coriolis-Durchflussmessgerätes und Coriolis-Durchflussmessgerät
DE102021105400A1 (de) 2021-03-05 2022-09-08 Endress+Hauser Flowtec Ag Messaufnehmer eines Messgeräts zum Erfassen eines Massedurchflusses, einer Viskosität, einer Dichte und/oder einer davon abgeleiteten Größe eines fließfähigen Mediums, sowie Messgerät
DE102021130048A1 (de) 2021-11-17 2023-05-17 Endress+Hauser Flowtec Ag Messrohrsystem, Messrohr, sowie Herstellungsverfahren für ein Messrohrsystem
DE102021131866A1 (de) 2021-12-03 2023-06-07 Endress+Hauser Flowtec Ag Verfahren zum Detektieren eines Fremdkörpers in einem Medium

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31450A (en) * 1861-02-19 Improvement in tools used in the manufacture of iron
US3276257A (en) * 1960-02-02 1966-10-04 Roth Wilfred Gyroscopic mass flowmeters
US3108475A (en) * 1961-02-13 1963-10-29 Wilfred Roth Gyroscopic mass flowmeter
US3132512A (en) * 1961-02-13 1964-05-12 Roth Wilfred Gyroscopic mass flowmeter
US3087325A (en) * 1961-08-07 1963-04-30 Roth Wilfred Gyroscopic mass flowmeters
US3485098A (en) * 1964-09-03 1969-12-23 Anatole J Sipin Mass flow metering means
US3355944A (en) * 1964-09-03 1967-12-05 Anatole J Sipin Mass flow metering means
FR2215607B1 (ko) * 1973-01-30 1976-04-09 Bertin & Cie
US4127028A (en) * 1977-06-07 1978-11-28 Halliburton Company Coriolis mass flow rate metering means
US4187721A (en) * 1977-07-25 1980-02-12 S & F Associates Method and structure for flow measurement
US4192184A (en) * 1978-11-13 1980-03-11 Halliburton Company Mass flowmeter
US4252028A (en) * 1979-02-26 1981-02-24 S & F Associates Method and apparatus for measuring flow
JPS56125622A (en) * 1980-03-08 1981-10-02 S T Kenkyusho:Kk Mass flowmeter
EP0037654B1 (en) * 1980-04-03 1984-09-26 Giers Fluid-pressure responsive apparatus
US4422338A (en) * 1981-02-17 1983-12-27 Micro Motion, Inc. Method and apparatus for mass flow measurement
JPS58206926A (ja) * 1982-04-30 1983-12-02 Yokogawa Hokushin Electric Corp 質量流量計
US4444059A (en) * 1982-09-13 1984-04-24 Micro Motion Oscillating tube mass flow rate meter
US4559833A (en) * 1982-09-30 1985-12-24 Smith Meter Inc. Meter for measuring mass flow rate
US4491025A (en) * 1982-11-03 1985-01-01 Micro Motion, Inc. Parallel path Coriolis mass flow rate meter
US4491009A (en) * 1983-06-10 1985-01-01 Micro Motion, Inc. Electronic circuit for vibrating tube densimeter
DE3329544A1 (de) * 1983-08-16 1985-03-07 Karl Dipl.-Ing. 8060 Dachau Küppers Massedurchflussmesser
EP0185709A4 (en) * 1984-06-04 1987-11-02 Exac Corp APPARATUS FOR MEASURING THE DENSITY AND SPEED OF FLOW-MASS.
ATE71720T1 (de) * 1984-07-11 1992-02-15 Exac Corp Geraet zum messen des massenflussdebits und der dichte.
DE3505166A1 (de) * 1985-02-15 1986-08-21 Danfoss A/S, Nordborg Massendurchfluss-messgeraet nach dem coriolis-prinzip
US4622858A (en) * 1985-03-25 1986-11-18 The Babcock & Wilcox Company Apparatus and method for continuously measuring mass flow
US4798091A (en) * 1985-04-22 1989-01-17 Lew Hyok S Dual S-tube Coriolis force flowmeter
US4628744A (en) * 1985-04-22 1986-12-16 Lew Hyok S S-tube Coriolis force flow meter
US4655089A (en) * 1985-06-07 1987-04-07 Smith Meter Inc. Mass flow meter and signal processing system
JPS61283827A (ja) * 1985-06-10 1986-12-13 Oval Eng Co Ltd 質量流量計
US4870588A (en) * 1985-10-21 1989-09-26 Sundstrand Data Control, Inc. Signal processor for inertial measurement using coriolis force sensing accelerometer arrangements
DE3538514A1 (de) * 1985-10-30 1987-05-07 Bopp & Reuther Gmbh Elektromagnetischer impulsaufnehmer fuer durchflussmesser
US4733569A (en) * 1985-12-16 1988-03-29 K-Flow Division Of Kane Steel Co., Inc. Mass flow meter
US4756198A (en) * 1986-01-24 1988-07-12 Exac Corporation Sensor apparatus for mass flow rate measurement system
US4716771A (en) * 1986-02-11 1988-01-05 K-Flow Division Of Kane Steel Co., Inc. Symmetrical mass flow meter
US5423221A (en) * 1986-02-11 1995-06-13 Abb K-Flow Inc. Mass flow measuring device
US4756197A (en) * 1986-02-21 1988-07-12 Fischer & Porter Co. Coriolis-type mass flowmeter
US4747312A (en) * 1986-02-21 1988-05-31 Fischer & Porter Co. Double-loop Coriolis type mass flowmeter
US4703660A (en) * 1986-04-01 1987-11-03 The Babcock & Wilcox Company Apparatus and method for continuously measuring mass flow
US4823614A (en) * 1986-04-28 1989-04-25 Dahlin Erik B Coriolis-type mass flowmeter
US4781069A (en) * 1986-06-05 1988-11-01 Exac Corporation Mode selection apparatus for multiple tube coriolis type mass flow meters
US4768385A (en) * 1986-08-13 1988-09-06 Micro Motion, Inc. Parallel path Coriolis mass flow meter
US4817448A (en) * 1986-09-03 1989-04-04 Micro Motion, Inc. Auto zero circuit for flow meter
US4823613A (en) * 1986-10-03 1989-04-25 Micro Motion, Inc. Density insensitive coriolis mass flow rate meter
US4763530A (en) * 1986-10-10 1988-08-16 The Babcock & Wilcox Company Apparatus and method for continuously measuring mass flow
US4782711A (en) * 1986-10-14 1988-11-08 K-Flow Division Of Kane Steel Co., Inc. Method and apparatus for measuring mass flow
US4759223A (en) * 1986-10-14 1988-07-26 Saul Frost Fluid mass flow meter
KR960000099B1 (ko) * 1986-10-28 1996-01-03 더폭스보로 컴패니 코리올리 유형의 질량유량계
US4784000A (en) * 1987-01-15 1988-11-15 Emerson Electric Co. Magnetic flowmeter coil driver and method
US4784001A (en) * 1987-07-13 1988-11-15 Emerson Electric Co. Magnetic flowmeter with isolation amplifier and ranging circuit therefor and method

Also Published As

Publication number Publication date
WO1988003261A1 (en) 1988-05-05
AU658876B2 (en) 1995-05-04
EP0329700A4 (en) 1991-12-27
US4891991A (en) 1990-01-09
CA1330725C (en) 1994-07-19
KR960000099B1 (ko) 1996-01-03
JPH02501006A (ja) 1990-04-05
FI892013A0 (fi) 1989-04-27
EP0329700B1 (en) 1996-06-12
CN87107806A (zh) 1988-06-01
EP0696726A2 (en) 1996-02-14
FI892013A (fi) 1989-04-27
EP0329700A1 (en) 1989-08-30
ATE139335T1 (de) 1996-06-15
AU658877B2 (en) 1995-05-04
AU8274387A (en) 1988-05-25
AU619450B2 (en) 1992-01-30
AU1521792A (en) 1992-06-25
EP0696726A3 (en) 1997-09-10
DE3751835D1 (de) 1996-07-18
JPH0574009B2 (ko) 1993-10-15
DE3751835T2 (de) 1996-10-10
CN1021084C (zh) 1993-06-02
AU1521692A (en) 1992-06-25

Similar Documents

Publication Publication Date Title
KR890700221A (ko) 코리올리 유형의 질량 유량계
WO1996008697A3 (en) Mass flowmeter and conduit assembly
WO1988001370A3 (en) Improved parallel path coriolis mass flow meter
GB8614135D0 (en) Coriolis mass flowmeters
DK136690A (da) Stroemningsmaaler til vaesker
DE3774984D1 (de) Nach dem coriolisprinzip arbeitendes massendurchflussmessgeraet.
MY122093A (en) Dual loop coriolis effect mass flowmeter
SE8505536L (sv) Flodesmetare for massor
DE69033258T2 (de) Misch- und messsystem für einen mehrphasen-prozess
DE3887796D1 (de) Anordnung zur Durchflussmengenmessung.
ATE132967T1 (de) Für kleine durchflüsse angepasster coriolis- massendurchflussmesser
DE3768318D1 (de) Differenzmassendurchflussmesser.
DK1154243T3 (da) Coriolis massegennemströmningsmåler med to buede målerör
ATE109886T1 (de) Ultraschall-gas-/flüssigkeits-durchflussmesser.
ES482678A1 (es) Perfeccionamiento en los sistemas de enfriamiento para gasescalientes.
GB861337A (en) Apparatus for measuring large fluid flows
SE8801366L (sv) Saett och apparat foer floedesinjektion
SU1203410A1 (ru) Измеритель плотности отработавших газов
SU1742622A1 (ru) Преобразователь теплового расходомера
GB1500507A (en) Flow meters
JPS56112610A (en) Measuring device for gas
GB1068068A (en) Mass flow measuring systems
SU1620783A1 (ru) Устройство дл нагрева воды
FR2552546B3 (fr) Appareil de comptage de l'energie thermique cedee par un fluide traversant une partie de conduite
DE59305186D1 (de) Trichtereinlass und -auslass für ultraschall-gaszähler

Legal Events

Date Code Title Description
A201 Request for examination
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: 20021230

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee