JPH0229171B2 - - Google Patents

Info

Publication number
JPH0229171B2
JPH0229171B2 JP57115870A JP11587082A JPH0229171B2 JP H0229171 B2 JPH0229171 B2 JP H0229171B2 JP 57115870 A JP57115870 A JP 57115870A JP 11587082 A JP11587082 A JP 11587082A JP H0229171 B2 JPH0229171 B2 JP H0229171B2
Authority
JP
Japan
Prior art keywords
conductive conduit
electromagnetic flowmeter
potential
tube
detection means
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
JP57115870A
Other languages
English (en)
Japanese (ja)
Other versions
JPS595918A (ja
Inventor
Hiroo Yamazaki
Toji Kin
Chuji Akyama
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP57115870A priority Critical patent/JPS595918A/ja
Priority to US06/509,799 priority patent/US4524627A/en
Priority to DE19833323798 priority patent/DE3323798A1/de
Publication of JPS595918A publication Critical patent/JPS595918A/ja
Publication of JPH0229171B2 publication Critical patent/JPH0229171B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
    • G01P5/083—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect by using electronic circuits for measuring the dynamoelectric effect
    • 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
    • G01F1/60—Circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
JP57115870A 1982-07-03 1982-07-03 電磁流量計 Granted JPS595918A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57115870A JPS595918A (ja) 1982-07-03 1982-07-03 電磁流量計
US06/509,799 US4524627A (en) 1982-07-03 1983-06-30 Electromagnetic flow meter
DE19833323798 DE3323798A1 (de) 1982-07-03 1983-07-01 Elektromagnetische vorrichtung zum messen der stroemung eines fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57115870A JPS595918A (ja) 1982-07-03 1982-07-03 電磁流量計

Publications (2)

Publication Number Publication Date
JPS595918A JPS595918A (ja) 1984-01-12
JPH0229171B2 true JPH0229171B2 (en]) 1990-06-28

Family

ID=14673190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57115870A Granted JPS595918A (ja) 1982-07-03 1982-07-03 電磁流量計

Country Status (3)

Country Link
US (1) US4524627A (en])
JP (1) JPS595918A (en])
DE (1) DE3323798A1 (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938073A (en) * 1988-09-13 1990-07-03 Halliburton Company Expanded range magnetic flow meter
US5263374A (en) * 1992-01-24 1993-11-23 Marsh-Mcbirney, Inc. Flowmeter with concentrically arranged electromagnetic field
DE10240024B4 (de) * 2002-08-27 2004-12-16 Krohne Ag Magnetisch-induktives Durchflußmeßgerät
US7587947B1 (en) * 2009-01-21 2009-09-15 Murray F Feller Magnetic flow meter with selective electrode positioning
US8857268B2 (en) 2009-02-04 2014-10-14 Siemens Aktiengesellschaft Method and electromagnetic flowmeter having corrosion protected measuring electrodes
JP2015105929A (ja) * 2013-12-02 2015-06-08 株式会社東芝 電磁流量計
DE102014105837A1 (de) * 2014-04-25 2015-10-29 Endress + Hauser Flowtec Ag Vorrichtung zum Messen des Durchflusses eines Fluids durch ein Messrohr
US11365995B2 (en) * 2018-09-28 2022-06-21 Georg Fischer Signet Llc Magnetic flowmeter including auxiliary electrodes upstream and downstream of the pair of measuring electrodes and an adjustable brace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733604A (en) * 1956-02-07 coulter
US3411355A (en) * 1966-06-17 1968-11-19 Vincent J. Cushing Electromagnetic volumetric flowmeter
DE2164106C3 (de) * 1971-12-23 1978-06-29 Fischer & Porter Gmbh, 3400 Goettingen Strömungsmesser
DE2250992A1 (de) * 1972-10-18 1974-05-02 Fischer & Porter Gmbh Kompensationsschaltung fuer die kompensation der transformatorischen stoerspannung eines induktiven stroemungsmessers
DE2454469C3 (de) * 1974-11-16 1981-07-23 Fischer & Porter GmbH, 3400 Göttingen Induktiver Durchflußmesser
SU684312A1 (ru) * 1977-08-25 1979-09-05 Государственный научно-исследовательский институт теплоэнергетического приборостроения Электромагнитный расходомер
DE2950084C2 (de) * 1979-12-13 1991-01-03 Bopp & Reuther Gmbh, 6800 Mannheim Magnetisch-induktiver Durchflußmesser

Also Published As

Publication number Publication date
JPS595918A (ja) 1984-01-12
DE3323798A1 (de) 1984-01-05
US4524627A (en) 1985-06-25
DE3323798C2 (en]) 1993-06-03

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