NL1014697C2 - Elektromagnetische doorstroommeterinrichting. - Google Patents

Elektromagnetische doorstroommeterinrichting. Download PDF

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Publication number
NL1014697C2
NL1014697C2 NL1014697A NL1014697A NL1014697C2 NL 1014697 C2 NL1014697 C2 NL 1014697C2 NL 1014697 A NL1014697 A NL 1014697A NL 1014697 A NL1014697 A NL 1014697A NL 1014697 C2 NL1014697 C2 NL 1014697C2
Authority
NL
Netherlands
Prior art keywords
voltage
checking
during
magnetic field
values
Prior art date
Application number
NL1014697A
Other languages
English (en)
Dutch (nl)
Other versions
NL1014697A1 (nl
Inventor
Steen Moellebjerg Matzen
Original Assignee
Danfoss As
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7904822&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1014697(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Danfoss As filed Critical Danfoss As
Publication of NL1014697A1 publication Critical patent/NL1014697A1/xx
Application granted granted Critical
Publication of NL1014697C2 publication Critical patent/NL1014697C2/nl

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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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
NL1014697A 1999-04-16 2000-03-20 Elektromagnetische doorstroommeterinrichting. NL1014697C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917261A DE19917261C5 (de) 1999-04-16 1999-04-16 Elektromagnetische Durchflußmesseranordnung
DE19917261 1999-04-16

Publications (2)

Publication Number Publication Date
NL1014697A1 NL1014697A1 (nl) 2000-10-17
NL1014697C2 true NL1014697C2 (nl) 2002-04-12

Family

ID=7904822

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1014697A NL1014697C2 (nl) 1999-04-16 2000-03-20 Elektromagnetische doorstroommeterinrichting.

Country Status (6)

Country Link
US (1) US6644127B1 (fr)
CH (1) CH694997A5 (fr)
DE (1) DE19917261C5 (fr)
FR (1) FR2792405B1 (fr)
GB (1) GB2348963B (fr)
NL (1) NL1014697C2 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064738B4 (de) 2000-12-22 2004-02-12 Krohne Meßtechnik GmbH & Co KG Verfahren zur Prüfung eines magnetisch-induktiven Durchflußmeßgeräts
JP3915459B2 (ja) * 2001-09-20 2007-05-16 横河電機株式会社 電磁流量計
US6834555B2 (en) * 2002-03-28 2004-12-28 Krohne Messtechnik Gmbh & Co. Kg Magnetoinductive flow measuring method
US7688057B2 (en) * 2007-07-10 2010-03-30 Rosemount Inc. Noise diagnosis of operating conditions for an electromagnetic flowmeter
US7737730B2 (en) * 2007-08-31 2010-06-15 Infineon Technologies Ag Method of detecting the frequency of an input clock signal of an integrated circuit and integrated circuit
US7516034B1 (en) 2007-09-18 2009-04-07 Rosemount Inc. Magnetic flow transmitter having multiple flowtube data sets
DE102008012341B3 (de) * 2008-03-03 2009-09-17 Siemens Aktiengesellschaft Verfahren zum Überprüfen eines elektromagnetischen Durchflussmessers und elektromagnetische Durchflussmessanordnung
DE102008034565A1 (de) 2008-07-24 2010-02-04 Siemens Aktiengesellschaft Elektromagnetischer Durchflussmesser sowie Verfahren zum Betrieb eines elektromagnetischen Durchflussmessers
US7921733B2 (en) * 2009-03-05 2011-04-12 Rosemount Inc. Magnetic flowmeter with coil ground path detection
EP2932218B1 (fr) * 2012-12-17 2018-09-19 Danfoss A/S Capteur comprenant un substrat
DE102013006142A1 (de) * 2013-04-10 2014-10-16 Fresenius Medical Care Deutschland Gmbh Vorrichtung zum Messen eines Flüssigkeitsflusses
RU2529598C1 (ru) * 2013-04-15 2014-09-27 Закрытое акционерное общество "ТЕРМОТРОНИК" Электромагнитный расходомер и способ контроля измерения расхода текучих сред
CN105393099B (zh) 2013-06-11 2018-06-19 丹佛斯有限公司 薄膜传感器
EP2821756B1 (fr) * 2013-07-01 2023-07-05 Krohne Messtechnik GmbH Débitmètre à induction magnétique, et procédé de fonctionnement d'un débitmètre à induction magnétique
US10663331B2 (en) * 2013-09-26 2020-05-26 Rosemount Inc. Magnetic flowmeter with power limit and over-current detection
US9395221B2 (en) 2013-09-26 2016-07-19 Rosemount Inc. Magnetic flowmeter with saturation detection of the measurement circuitry
US9163968B2 (en) 2013-09-26 2015-10-20 Rosemount Inc. Magnetic flowmeter with drive signal diagnostics
RU2618505C1 (ru) * 2016-02-26 2017-05-03 Акционерное общество научно-исследовательский институт теплоэнергетического приборостроения "НИИТеплоприбор" Электромагнитный преобразователь расхода
RU2618584C1 (ru) * 2016-02-26 2017-05-04 Акционерное общество научно-исследовательский институт теплоэнергетического приборостроения "НИИТеплоприбор" Электромагнитный преобразователь расхода
JP6806532B2 (ja) * 2016-11-09 2021-01-06 アズビル株式会社 電磁流量計の励磁回路、および電磁流量計
JP6835539B2 (ja) * 2016-11-09 2021-02-24 アズビル株式会社 電磁流量計の励磁回路、および電磁流量計
US11333537B2 (en) 2019-09-05 2022-05-17 Micro Motion, Inc. Load leveling boost supply for magnetic flowmeter
US11204268B2 (en) 2019-09-05 2021-12-21 Micro Motion, Inc. Magnetic flowmeter having a programmable bi-directional current generator
US11204267B2 (en) 2019-09-05 2021-12-21 Micro Motion, Inc. Continuously adaptive digital coil driver for magnetic flowmeter
US11181404B2 (en) 2019-09-05 2021-11-23 Micro Motion, Inc. Magnetic flowmeter with a current sampling circuit sampling coil current pulses at a sampling frequency

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676112A (en) * 1985-03-08 1987-06-30 Hitachi, Ltd. Electromagnetic flow meter
US5639970A (en) * 1995-07-17 1997-06-17 Rosemount Inc. Current selection circuitry for magnetic flowmeter
GB2309308A (en) * 1996-01-17 1997-07-23 Abb Kent Taylor Ltd Testing and calibration of electromagnetic flowmeters

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2743954C2 (de) * 1977-09-29 1986-11-06 Fischer & Porter GmbH, 3400 Göttingen Schaltungsanordnung zur Messung des Stroms einer elektrische Ladungen enthaltenden Flüssigkeit
US4520650A (en) * 1983-09-28 1985-06-04 Montedoro-Whitney Corporation Field-portable calibration unit for electromagnetic flow meters
US4784000A (en) * 1987-01-15 1988-11-15 Emerson Electric Co. Magnetic flowmeter coil driver and method
JP3334995B2 (ja) * 1994-03-10 2002-10-15 愛知時計電機株式会社 電磁流量計
FI98661C (fi) * 1995-09-08 1997-07-25 Oras Oy Menetelmä ja järjestely nesteen, erityisesti veden virtausnopeuden mittaamiseksi
JPH09126849A (ja) * 1995-11-01 1997-05-16 Hitachi Ltd 二線式電磁流量計
DE19605803A1 (de) * 1996-02-16 1997-08-21 Daug Deutsche Automobilgesells Schaltungsanordnung zur Ionenstrommessung
JPH09325058A (ja) * 1996-06-04 1997-12-16 Yokogawa Electric Corp 電磁流量計
GB2324606B (en) * 1997-04-25 2002-01-16 Kent Meters Ltd Electromagnetic flowmeter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676112A (en) * 1985-03-08 1987-06-30 Hitachi, Ltd. Electromagnetic flow meter
US5639970A (en) * 1995-07-17 1997-06-17 Rosemount Inc. Current selection circuitry for magnetic flowmeter
GB2309308A (en) * 1996-01-17 1997-07-23 Abb Kent Taylor Ltd Testing and calibration of electromagnetic flowmeters

Also Published As

Publication number Publication date
DE19917261C5 (de) 2010-09-09
CH694997A5 (de) 2005-10-31
DE19917261A1 (de) 2000-11-02
GB0009348D0 (en) 2000-05-31
GB2348963A (en) 2000-10-18
FR2792405A1 (fr) 2000-10-20
NL1014697A1 (nl) 2000-10-17
DE19917261C2 (de) 2001-06-07
FR2792405B1 (fr) 2003-01-24
GB2348963B (en) 2003-06-18
US6644127B1 (en) 2003-11-11

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AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20020211

PD2B A search report has been drawn up
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: SIEMENS FLOW INSTRUMENTS A/S

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20071001