DE69020473D1 - Verbesserungen an und im Zusammenhang mit elektromagnetischen Durchflussmessern. - Google Patents

Verbesserungen an und im Zusammenhang mit elektromagnetischen Durchflussmessern.

Info

Publication number
DE69020473D1
DE69020473D1 DE69020473T DE69020473T DE69020473D1 DE 69020473 D1 DE69020473 D1 DE 69020473D1 DE 69020473 T DE69020473 T DE 69020473T DE 69020473 T DE69020473 T DE 69020473T DE 69020473 D1 DE69020473 D1 DE 69020473D1
Authority
DE
Germany
Prior art keywords
flow meters
electromagnetic flow
electromagnetic
meters
flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69020473T
Other languages
English (en)
Other versions
DE69020473T2 (de
Inventor
John Hemp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Application granted granted Critical
Publication of DE69020473D1 publication Critical patent/DE69020473D1/de
Publication of DE69020473T2 publication Critical patent/DE69020473T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic 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
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • G01F1/584—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of electrodes, accessories therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/13—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a reference counter

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
DE69020473T 1989-09-26 1990-09-19 Verbesserungen an und im Zusammenhang mit elektromagnetischen Durchflussmessern. Expired - Fee Related DE69020473T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8921702A GB2236394B (en) 1989-09-26 1989-09-26 Improvements in and relating to electromagnetic flowmeters

Publications (2)

Publication Number Publication Date
DE69020473D1 true DE69020473D1 (de) 1995-08-03
DE69020473T2 DE69020473T2 (de) 1996-03-28

Family

ID=10663628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020473T Expired - Fee Related DE69020473T2 (de) 1989-09-26 1990-09-19 Verbesserungen an und im Zusammenhang mit elektromagnetischen Durchflussmessern.

Country Status (7)

Country Link
US (2) US5398553A (de)
EP (1) EP0420496B1 (de)
JP (1) JP2938972B2 (de)
DE (1) DE69020473T2 (de)
GB (1) GB2236394B (de)
SE (1) SE9200919L (de)
WO (1) WO1991005225A1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289725A (en) * 1991-07-31 1994-03-01 The Foxboro Company Monolithic flow tube with improved dielectric properties for use with a magnetic flowmeter
DE4437275C2 (de) * 1994-10-18 1997-02-06 Fischer & Porter Gmbh Verfahren zur Kompensation von Fehlern in Meßwertsignalen magnetisch-induktiver Durchflußmesser
US5596150A (en) * 1995-03-08 1997-01-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Capacitance probe for fluid flow and volume measurements
US6697742B1 (en) 1996-01-17 2004-02-24 Abb Kent-Taylor Limited Method and apparatus for testing electromagnetic flowmeters
US6321766B1 (en) * 1997-02-11 2001-11-27 Richard D. Nathenson Electromagnetic flow control valve for a liquid metal with built-in flow measurement
US6539811B2 (en) 1999-12-15 2003-04-01 Flowtec Ag Apparatus for measuring the flow of a medium to be measured through a measuring tube
JP3589449B2 (ja) * 2001-02-26 2004-11-17 株式会社ユニレック 静電容量センサ、管内流動判断装置、管内流動制御装置
GB2399421B (en) * 2002-01-11 2005-06-29 Schlumberger Holdings Device for characterizing the flow of a multiphase fluid in a tubing
JP4550468B2 (ja) * 2004-04-12 2010-09-22 株式会社山武 電磁流量計
JP4550523B2 (ja) * 2004-08-20 2010-09-22 株式会社山武 電磁流量計
JP4555024B2 (ja) * 2004-08-20 2010-09-29 株式会社山武 電磁流量計
JP4555023B2 (ja) * 2004-08-20 2010-09-29 株式会社山武 電磁流量計
JP4559186B2 (ja) * 2004-10-20 2010-10-06 株式会社山武 電磁流量計
GB0425186D0 (en) * 2004-11-15 2004-12-15 Univ Cambridge Tech In-situ calibration verification device and method for electromagnetic flowmeters
US7798015B2 (en) 2005-05-16 2010-09-21 Endress + Hauser Flowtec Ag Magneto-inductive flowmeter and measuring tube for such
DE102005056165A1 (de) * 2005-11-23 2007-05-24 Endress + Hauser Flowtec Ag Magnetisch-induktiver Durchflußmesser sowie Meßrohr für einen solchen Durchflußmesser
US20080241000A1 (en) * 2007-03-27 2008-10-02 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Systems for pathogen detection
US20080178692A1 (en) * 2007-01-29 2008-07-31 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Fluidic methods
US20080179255A1 (en) * 2007-01-29 2008-07-31 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Fluidic devices
US20080193919A1 (en) * 2005-11-30 2008-08-14 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Systems and methods for receiving pathogen related information and responding
US20080241909A1 (en) * 2007-03-27 2008-10-02 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Microfluidic chips for pathogen detection
US20080241935A1 (en) * 2007-03-27 2008-10-02 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Methods for pathogen detection
US20090050569A1 (en) * 2007-01-29 2009-02-26 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Fluidic methods
US20080245740A1 (en) * 2007-01-29 2008-10-09 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Fluidic methods
DE102007011394A1 (de) * 2007-03-07 2008-09-11 Fachhochschule Kiel Verfahren zur Messung der Fließgeschwindigkeit eines Mediums unter Anlegen eines Magnetfelds an das durchsetzte Meßvolumen
DE102007014469A1 (de) * 2007-03-22 2008-09-25 Endress + Hauser Flowtec Ag Verfahren zur vorausschauenden Wartung und/oder Verfahren zur Bestimmung der elektrischen Leitfähigkeit bei einem magnetischinduktiven Durchflussmessgerät
US20090215157A1 (en) * 2007-03-27 2009-08-27 Searete Llc Methods for pathogen detection
GB2451284B (en) * 2007-07-26 2012-10-17 Abb Ltd Flowmeter
DE102008059067A1 (de) 2008-11-26 2010-06-02 Krohne Ag Magnetisch-induktives Durchflußmeßgerät
US8434371B2 (en) 2010-10-14 2013-05-07 Brickhouse Innovations, Llc Electromagnetic fluid velocity sensor with adjustable electrodes
DE102011009062A1 (de) * 2011-01-20 2012-07-26 Krohne Ag Magnetkreisvorrichtung für ein magnetisch-induktives Durchflussmessgerät
DE102012006891B4 (de) * 2012-04-05 2019-05-23 Krohne Ag Magnetisch-induktives Durchflussmessgerät
DE102013103211A1 (de) 2013-03-28 2014-10-02 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
US9429454B2 (en) 2013-07-19 2016-08-30 Rosemount Inc. Magnetic flowmeter
DE102013114427A1 (de) 2013-12-19 2015-06-25 Endress + Hauser Flowtec Ag Anordnung und Verfahren zur Bestimmung einer durchflussbezogenen Messgröße
US9316514B2 (en) * 2014-03-26 2016-04-19 Rosemount Inc. High pressure wafer style magnetic flowmeter
CN110715708A (zh) * 2018-07-11 2020-01-21 浙江大学 一种流量计校准装置
DE102018131167A1 (de) * 2018-12-06 2020-06-10 Endress+Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
WO2020141426A1 (en) * 2018-12-30 2020-07-09 Ghadamossoltani Amirhossein Electromagnetic flow meter with self-correction capability, increasing the measurement accuracy, reduced startup and magnetic field protection

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2722122A (en) * 1952-05-16 1955-11-01 Vitro Corp Of America Means for rejecting spurious flowmeter signals
GB802017A (en) * 1955-10-10 1958-09-24 British Thomson Houston Co Ltd Improvements in and relating to liquid flow-meters
DE1098221B (de) * 1959-10-20 1961-01-26 Siemens Ag Elektrische Abschirmung fuer die Messstrecke von induktiven Durchflussmessern
US3119960A (en) * 1960-05-10 1964-01-28 David E Kenyon Electromagnetic marine speedometer mounted substantially flush with an outer surface of a ship
DE1473041B2 (de) * 1962-03-21 1970-07-02 Cushing, Vincent J., Kensington, Md. (V.St.A.) Magnetischer Strömungsmesser insbesondere für dielektrische Flüssigkeiten
US3372589A (en) * 1965-06-14 1968-03-12 Fischer & Porter Co Side-saddle magnetic flowmeter
DE1914335C3 (de) * 1969-03-21 1973-08-02 Fa Ludwig Krohne, 4100 Duisburg Induktiver strömungsmesser
DE1915376A1 (de) * 1969-03-26 1970-10-01 Krohne Fa Ludwig Anordnung zur Unterdrueckung des Axialstromeinflusses an in Rohrleitungssystemen eingebauten Messeinrichtungen
US3759097A (en) * 1970-09-01 1973-09-18 V Cushing Electromagnetic water current meter
SU433851A1 (ru) * 1972-01-31 1976-08-05 Специальное Конструкторское Бюро Магнитной Гидродинамики Ан Латвийской Сср Кондукционный измеритель скорости (расхода)
DE2225356C2 (de) * 1972-05-25 1982-04-15 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Durchflußmesser für elektrisch leitende Flüssigkeiten
US3942377A (en) * 1973-07-27 1976-03-09 Arkady Savelievich Ginzburg Electromagnetic flowmeter
GB1385849A (en) * 1973-07-27 1975-03-05 Sp K Byuro Magnit Gidrodinam Electromagnetic flowmeter
US3937080A (en) * 1973-08-31 1976-02-10 Izrail Grigorievich Fix Electromagnetic apparatus for measuring the flow velocity of an electrically conductive fluid and method of calibration thereof
JPS5319868A (en) * 1976-08-07 1978-02-23 Hitachi Ltd Oscillator of electromagnetic flowmeter
US4089218A (en) * 1976-12-29 1978-05-16 Cushing Vincent J Electromagnetic water current meter with staggered stick out electrodes
JPS5448276A (en) * 1977-09-26 1979-04-16 Hitachi Ltd Electromagnetic flow meter
US4130796A (en) * 1977-12-07 1978-12-19 Westinghouse Electric Corp. Calibrating and measuring circuit for a capacitive probe-type instrument
DE2816796A1 (de) * 1978-04-18 1979-10-25 Fischer & Porter Gmbh Magnetisch induktiver durchflussmesser
JPS5811010B2 (ja) * 1978-04-21 1983-03-01 横河電機株式会社 流体ノイズを利用した電磁流量計
US4329879A (en) * 1980-07-14 1982-05-18 Fischer & Porter Co. Insulating liner for electromagnetic flowmeter tube
SU1290075A1 (ru) * 1985-05-16 1987-02-15 Специальное конструкторское бюро магнитной гидродинамики Института физики АН ЛатвССР Кондукционный электромагнитный расходомер
US4785672A (en) * 1986-02-14 1988-11-22 Fischer & Porter Co. Printed circuit capacitance electrodes
US4836214A (en) * 1986-12-01 1989-06-06 Bomed Medical Manufacturing, Ltd. Esophageal electrode array for electrical bioimpedance measurement

Also Published As

Publication number Publication date
GB2236394B (en) 1994-08-24
DE69020473T2 (de) 1996-03-28
WO1991005225A1 (en) 1991-04-18
US5503027A (en) 1996-04-02
SE9200919D0 (sv) 1992-03-25
SE9200919L (sv) 1992-03-25
GB2236394A (en) 1991-04-03
JP2938972B2 (ja) 1999-08-25
US5398553A (en) 1995-03-21
JPH05501916A (ja) 1993-04-08
GB8921702D0 (en) 1989-11-08
EP0420496A1 (de) 1991-04-03
EP0420496B1 (de) 1995-06-28

Similar Documents

Publication Publication Date Title
DE69020473D1 (de) Verbesserungen an und im Zusammenhang mit elektromagnetischen Durchflussmessern.
NO874883D0 (no) Elektromagnetisk stroemningsmaaler.
DE69015526D1 (de) Elektromagnetischer Durchflussmesser.
NL187371C (nl) Elektromagnetische doorstromingsmeter.
DE3787183D1 (de) Elektromagnetischer Durchflussmesser.
DE3766769D1 (de) Elektromagnetischer durchflussmesser.
DE69332128D1 (de) Elektromagnetischer Durchflussmesser
DE69008257D1 (de) Wirbeldurchflussmesser.
DE3678909D1 (de) Elektromagnetischer durchflussmesser mit gepulstem magnetfeld.
DK159335C (da) Elektromagnetisk gennemstroemningsmaaler
IT8567518A1 (it) Misuratore elettromagnetico di portata.
NL193003B (nl) Elektromagnetische doorstroommeter.
FI904376A0 (fi) Sähkömagneettinen läpivirtausmittari
DE69221595D1 (de) Elektromagnetischer Durchflussmesser
DK26087D0 (da) Electromagnetic flowmeters and flowmetering methods
DK0380937T3 (da) Induktiv gennemløbsmåler
DE69118483D1 (de) Magnetischer Durchflussmesser
DE68911992D1 (de) Magnetfeldmessgerät.
DE69204425D1 (de) Elektromagnetischer Durchflussmesser.
DE69213805D1 (de) Elektromagnetischer Durchflussmesser
DE3679649D1 (de) Elektromagnetische durchflussmessgeraete.
DE3765949D1 (de) Kalorimeter mit einem elektromagnetischen durchflussmesser des remanenztyps.
KR890019670U (ko) 와 유량계
DE59001159D1 (de) Elektromagnetischer durchflussmesser.
BR6801922U (pt) Aperfeicoamento em medidores de fluxo

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee