FI840212A0 - Magnetisk stroemningsmaetare med kapacitiv koppling - Google Patents

Magnetisk stroemningsmaetare med kapacitiv koppling

Info

Publication number
FI840212A0
FI840212A0 FI840212A FI840212A FI840212A0 FI 840212 A0 FI840212 A0 FI 840212A0 FI 840212 A FI840212 A FI 840212A FI 840212 A FI840212 A FI 840212A FI 840212 A0 FI840212 A0 FI 840212A0
Authority
FI
Finland
Prior art keywords
stroemningsmaetare
kapacitiv
koppling
med
magnetic
Prior art date
Application number
FI840212A
Other languages
English (en)
Other versions
FI840212A (fi
FI75668B (fi
FI75668C (fi
Inventor
Edward J Mchale
Yousif A Hussain
Michael L Sanderson
John Hemp
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
Publication of FI840212A0 publication Critical patent/FI840212A0/fi
Publication of FI840212A publication Critical patent/FI840212A/fi
Publication of FI75668B publication Critical patent/FI75668B/fi
Application granted granted Critical
Publication of FI75668C publication Critical patent/FI75668C/fi

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FI840212A 1983-01-20 1984-01-19 Magnetisk stroemningsmaetare med kapacitiv koppling. FI75668C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45956783 1983-01-20
US06/459,567 US4513624A (en) 1983-01-20 1983-01-20 Capacitively-coupled magnetic flowmeter

Publications (4)

Publication Number Publication Date
FI840212A0 true FI840212A0 (fi) 1984-01-19
FI840212A FI840212A (fi) 1984-07-21
FI75668B FI75668B (fi) 1988-03-31
FI75668C FI75668C (fi) 1988-07-11

Family

ID=23825315

Family Applications (1)

Application Number Title Priority Date Filing Date
FI840212A FI75668C (fi) 1983-01-20 1984-01-19 Magnetisk stroemningsmaetare med kapacitiv koppling.

Country Status (7)

Country Link
US (1) US4513624A (fi)
EP (1) EP0114737B1 (fi)
AU (1) AU566267B2 (fi)
CA (1) CA1211636A (fi)
DE (1) DE3470216D1 (fi)
FI (1) FI75668C (fi)
NO (1) NO158834C (fi)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631969A (en) * 1977-02-23 1986-12-30 Fischer & Porter Company Capacitance-type electrode assemblies for electromagnetic flowmeter
US4741215A (en) * 1985-07-03 1988-05-03 Rosemount Inc. Flow tube for a magnetic flowmeter
US4704907A (en) * 1986-07-11 1987-11-10 Fischer & Porter Company Electromagnetic flowmeter with triangular flux drive
JP2788339B2 (ja) * 1990-11-06 1998-08-20 株式会社東芝 電磁流量計
US5289725A (en) * 1991-07-31 1994-03-01 The Foxboro Company Monolithic flow tube with improved dielectric properties for use with a magnetic flowmeter
JP3175261B2 (ja) * 1992-02-05 2001-06-11 株式会社日立製作所 電磁流量計
JP3031096B2 (ja) * 1993-01-29 2000-04-10 横河電機株式会社 容量式電磁流量計
US5426984A (en) * 1993-09-02 1995-06-27 Rosemount Inc. Magnetic flowmeter with empty pipe detector
US6711947B2 (en) 2001-06-13 2004-03-30 Rem Scientific Enterprises, Inc. Conductive fluid logging sensor and method
AU2002364788A1 (en) * 2002-01-11 2003-07-24 Services Petroliers Schlumberger Device for characterizing the flow of a multiphase fluid in a tubing
GB2449800B (en) * 2003-10-01 2009-01-14 Rem Scient Entpr Inc Apparatus and method for fluid flow measurement with sensor shielding
US7093500B2 (en) * 2003-12-12 2006-08-22 Rosemount Inc. Tunable empty pipe function
JP4941703B2 (ja) 2006-03-16 2012-05-30 横河電機株式会社 電磁流量計
CA2781625C (en) 2006-11-10 2015-09-29 Rem Scientific Enterprises, Inc. Rotating fluid measurement device and method
DE102008054432A1 (de) 2008-12-09 2010-06-10 Endress + Hauser Flowtec Ag Messeinrichtung mit einem Messrohr und Verfahren zur Überwachung der Messeinrichtung sowie Vorrichtung zur Überwachung einer Rohrleitung
US20120037729A1 (en) * 2010-08-16 2012-02-16 Lee Joseph C Insertion Type Fluid Volume Meter and Control System
US8677819B2 (en) * 2011-04-18 2014-03-25 Parker-Hannifin Corporation In-line fuel properties measurement unit
DE102013105832B4 (de) * 2013-06-06 2015-03-12 Zylum Beteiligungsgesellschaft Mbh & Co. Patente Ii Kg Vorrichtung und Verfahren zur magnetisch-induktiven Durchflussmessung
JP2015105929A (ja) * 2013-12-02 2015-06-08 株式会社東芝 電磁流量計
US10458940B1 (en) * 2015-06-25 2019-10-29 Atlas Sensors, LLC Non-destructive instrument for detecting polymer inserts within polymer pipes fitted with a locator wire
US10024707B2 (en) * 2016-02-17 2018-07-17 Schneider Electric Systems Usa, Inc. Electromagnetic flowmeter calibration verification
DE102020129772A1 (de) 2020-11-11 2022-05-12 Endress+Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
DE102020133612A1 (de) 2020-12-15 2022-06-15 Endress + Hauser Flowtec Ag Messgerät und Verfahren zum Bestimmen einer Abrasion
DE102020133859A1 (de) 2020-12-16 2022-06-23 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
CN112946315B (zh) * 2021-02-10 2022-09-16 复旦大学 一种无电磁流量计的流速计
CN113156159B (zh) * 2021-02-10 2022-08-19 复旦大学 一种应用于飞行器的无空速管的空速计
GB2604880A (en) 2021-03-16 2022-09-21 Flodatix Ltd Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178941A (en) * 1961-08-07 1965-04-20 Cons Electrodynamics Corp Induction flowmeter
US3433066A (en) * 1966-10-03 1969-03-18 Foxboro Co Magnetic flowmeter apparatus
US3491593A (en) * 1968-01-26 1970-01-27 Foxboro Co Magnetic flowmeter reference system
US3839912A (en) * 1973-01-18 1974-10-08 Fischer & Porter Co Metering electrode assembly for electromagnetic flowmeters
DE2454469C3 (de) * 1974-11-16 1981-07-23 Fischer & Porter GmbH, 3400 Göttingen Induktiver Durchflußmesser
US3943765A (en) * 1975-02-20 1976-03-16 Tokyo Shibaura Electric Co., Ltd. Electromagnetic flow meter
JPS52134764A (en) * 1976-05-06 1977-11-11 Fuji Electric Co Ltd Electromagnetic flow meter
US4157035A (en) * 1976-05-06 1979-06-05 Friedhelm Doll Inductive flow meter
US4036052A (en) * 1976-07-30 1977-07-19 Fischer & Porter Co. Electromagnetic flowmeter usable in less-than-full fluid lines

Also Published As

Publication number Publication date
NO158834C (no) 1988-11-02
FI840212A (fi) 1984-07-21
FI75668B (fi) 1988-03-31
AU2325084A (en) 1984-07-26
EP0114737B1 (en) 1988-03-30
EP0114737A1 (en) 1984-08-01
AU566267B2 (en) 1987-10-15
FI75668C (fi) 1988-07-11
US4513624A (en) 1985-04-30
NO158834B (no) 1988-07-25
DE3470216D1 (en) 1988-05-05
NO840204L (no) 1984-07-23
CA1211636A (en) 1986-09-23

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: THE FOXBORO COMPANY