FR2614414B3 - Debitmetre electromagnetique a champ magnetique alterne - Google Patents

Debitmetre electromagnetique a champ magnetique alterne

Info

Publication number
FR2614414B3
FR2614414B3 FR878717512A FR8717512A FR2614414B3 FR 2614414 B3 FR2614414 B3 FR 2614414B3 FR 878717512 A FR878717512 A FR 878717512A FR 8717512 A FR8717512 A FR 8717512A FR 2614414 B3 FR2614414 B3 FR 2614414B3
Authority
FR
France
Prior art keywords
magnetic field
electromagnetic flowmeter
alternate magnetic
alternate
flowmeter
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 - Lifetime
Application number
FR878717512A
Other languages
English (en)
Other versions
FR2614414A1 (fr
Inventor
Roy F Schmoock
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.)
Fischer and Porter Co
Original Assignee
Fischer and Porter 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 Fischer and Porter Co filed Critical Fischer and Porter Co
Publication of FR2614414A1 publication Critical patent/FR2614414A1/fr
Application granted granted Critical
Publication of FR2614414B3 publication Critical patent/FR2614414B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F1/60—Circuits therefor
FR878717512A 1986-12-08 1987-12-08 Debitmetre electromagnetique a champ magnetique alterne Expired - Lifetime FR2614414B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/938,870 US4727755A (en) 1986-12-08 1986-12-08 Electromagnetic flowmeter with alternating permanent magnet field

Publications (2)

Publication Number Publication Date
FR2614414A1 FR2614414A1 (fr) 1988-10-28
FR2614414B3 true FR2614414B3 (fr) 1990-09-14

Family

ID=25472105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878717512A Expired - Lifetime FR2614414B3 (fr) 1986-12-08 1987-12-08 Debitmetre electromagnetique a champ magnetique alterne

Country Status (5)

Country Link
US (1) US4727755A (fr)
CA (1) CA1310511C (fr)
DE (1) DE3741584C2 (fr)
FR (1) FR2614414B3 (fr)
GB (1) GB2200458B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4119372A1 (de) * 1991-06-12 1992-12-17 Fischer & Porter Gmbh Schaltungsanordnung fuer eine vorrichtung zur messung des volumenstroms eines ein rohr durchfliessenden mediums
US5372045A (en) * 1993-02-12 1994-12-13 Rosemount Inc. Bridge pulse controlled constant current driver for magnetic flowmeter
US6085599A (en) * 1995-04-26 2000-07-11 Feller; Murray F. Magnetic flow sensor
GB2324606B (en) * 1997-04-25 2002-01-16 Kent Meters Ltd Electromagnetic flowmeter
SG135077A1 (en) * 2006-02-27 2007-09-28 Nanyang Polytechnic Apparatus and method for non-invasively sensing pulse rate and blood flow anomalies
US7637169B2 (en) * 2008-01-25 2009-12-29 Rosemount, Inc. Flangeless magnetic flowmeter with integrated retention collar, valve seat and liner protector
DE102011009062A1 (de) 2011-01-20 2012-07-26 Krohne Ag Magnetkreisvorrichtung für ein magnetisch-induktives Durchflussmessgerät
US8963735B2 (en) * 2011-11-30 2015-02-24 Rosemount Inc. Turbine meter pre-scaling terminal block electronics
US9631961B2 (en) * 2015-08-19 2017-04-25 Sensus Spectrum Llc Inductive flow meter including extended magnetic pole pieces

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB813185A (en) * 1955-06-13 1959-05-13 Philips Electrical Ind Ltd Improvements in or relating to devices for measuring liquid flow
US3759247A (en) * 1970-08-24 1973-09-18 Doll Research Electromagnetic flowmeter
US3783687A (en) * 1972-05-26 1974-01-08 Fischer & Porter Co Electromagnetic flowmeter with square-wave excitation
US4181018A (en) * 1977-02-23 1980-01-01 Fischer & Porter Co. Unitary electromagnetic flowmeter
US4137766A (en) * 1977-08-08 1979-02-06 The Foxboro Company Integral field magnetic flowmeter
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4370892A (en) * 1980-07-10 1983-02-01 Fischer & Porter Co. Electromagnetic flowmeter having noise suppression network
DE3029791C3 (de) * 1980-08-06 1994-08-04 Aichi Tokei Denki Kk Elektromagnetischer Strömungsmesser
JPS57200822A (en) * 1981-06-05 1982-12-09 Aichi Tokei Denki Co Ltd Electromagnetic flow meter
JPS60242318A (ja) * 1984-05-16 1985-12-02 Aichi Tokei Denki Co Ltd 残留磁気式電磁流量計

Also Published As

Publication number Publication date
GB8728613D0 (en) 1988-01-13
FR2614414A1 (fr) 1988-10-28
GB2200458A (en) 1988-08-03
CA1310511C (fr) 1992-11-24
US4727755A (en) 1988-03-01
DE3741584C2 (de) 1994-04-07
GB2200458B (en) 1990-12-19
DE3741584A1 (de) 1988-06-16

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