CN101410698B - 用于测量过程流体流量的磁流量计及方法 - Google Patents

用于测量过程流体流量的磁流量计及方法 Download PDF

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Publication number
CN101410698B
CN101410698B CN200780008923XA CN200780008923A CN101410698B CN 101410698 B CN101410698 B CN 101410698B CN 200780008923X A CN200780008923X A CN 200780008923XA CN 200780008923 A CN200780008923 A CN 200780008923A CN 101410698 B CN101410698 B CN 101410698B
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CN
China
Prior art keywords
fluid flow
process fluid
voltage signal
measuring process
coil
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Expired - Fee Related
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CN200780008923XA
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English (en)
Chinese (zh)
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CN101410698A (zh
Inventor
斯科特·R·佛斯
科克·A·亨特
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Michael Mori
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Rosemount Inc
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Publication of CN101410698A publication Critical patent/CN101410698A/zh
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    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CN200780008923XA 2006-03-14 2007-03-06 用于测量过程流体流量的磁流量计及方法 Expired - Fee Related CN101410698B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/375,168 US7353119B2 (en) 2006-03-14 2006-03-14 Reduced noise sensitivity in magnetic flowmeter
US11/375,168 2006-03-14
PCT/US2007/005802 WO2007106359A2 (en) 2006-03-14 2007-03-06 Reduced noise sensitivity in magnetic flowmeter

Publications (2)

Publication Number Publication Date
CN101410698A CN101410698A (zh) 2009-04-15
CN101410698B true CN101410698B (zh) 2012-04-25

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ID=38434255

Family Applications (1)

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CN200780008923XA Expired - Fee Related CN101410698B (zh) 2006-03-14 2007-03-06 用于测量过程流体流量的磁流量计及方法

Country Status (5)

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US (1) US7353119B2 (enExample)
EP (1) EP2005121B1 (enExample)
JP (1) JP5575469B2 (enExample)
CN (1) CN101410698B (enExample)
WO (1) WO2007106359A2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8137626B2 (en) 2006-05-19 2012-03-20 California Institute Of Technology Fluorescence detector, filter device and related methods
WO2008036614A1 (en) 2006-09-18 2008-03-27 California Institute Of Technology Apparatus for detecting target molecules and related methods
DE102007052047B4 (de) * 2007-10-31 2014-06-26 Abb Ag Verfahren und Einrichtung zur Messung von Fremdkörpern im Messmedium
US7779702B2 (en) * 2008-11-03 2010-08-24 Rosemount Inc. Flow disturbance compensation for magnetic flowmeter
US20120037729A1 (en) * 2010-08-16 2012-02-16 Lee Joseph C Insertion Type Fluid Volume Meter and Control System
US9182258B2 (en) 2011-06-28 2015-11-10 Rosemount Inc. Variable frequency magnetic flowmeter
US8991264B2 (en) 2012-09-26 2015-03-31 Rosemount Inc. Integrally molded magnetic flowmeter
US9021890B2 (en) 2012-09-26 2015-05-05 Rosemount Inc. Magnetic flowmeter with multiple coils
US10663331B2 (en) * 2013-09-26 2020-05-26 Rosemount Inc. Magnetic flowmeter with power limit and over-current detection
US10132665B2 (en) * 2015-02-05 2018-11-20 Schneider Electric Systems Usa, Inc. Electromagnetic flowmeter and method of using same
US11085803B2 (en) * 2015-09-24 2021-08-10 Micro Motion, Inc. Entrained fluid detection diagnostic
CN109974793B (zh) * 2019-04-22 2020-08-04 合肥工业大学 一种电磁式涡街流量计测量含气导电液体流量的信号处理方法
US11156486B2 (en) * 2019-09-13 2021-10-26 Micro Motion, Inc. Magnetic flowmeter with improved processing
CN111060168A (zh) * 2019-12-26 2020-04-24 深圳市佳运通电子有限公司 一种流量信号采样方法和装置
CN114152296A (zh) * 2021-11-30 2022-03-08 宁夏隆基宁光仪表股份有限公司 一种基于fpga的电磁水表信号处理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309909A (en) * 1979-10-09 1982-01-12 Emerson Electric Co. Crystal stabilized voltage to frequency converter with digital calibration for flowmeters
US4651286A (en) * 1983-06-23 1987-03-17 Yokogawa Hokushin Electric Corporation Electromagnetic flowmeter
US4709583A (en) * 1985-10-31 1987-12-01 Sereg Electromagnetic flow meter using a pulsed magnetic field
US6453272B1 (en) * 2000-02-28 2002-09-17 The Foxboro Company Spurious noise filter
US6505517B1 (en) * 1999-07-23 2003-01-14 Rosemount Inc. High accuracy signal processing for magnetic flowmeter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262543A (en) * 1979-10-09 1981-04-21 Emerson Electric Co. Magnetic flowmeter having multiple stage amplifier with automatic zeroing
JPS5749812A (en) * 1980-09-10 1982-03-24 Toshiba Corp Electromagnetic flowmeter converter
JPS63195523A (ja) * 1987-02-09 1988-08-12 Hitachi Ltd 電磁流量計
US4773274A (en) * 1987-03-03 1988-09-27 Yokogawa Electric Corporation Electromagnetic flow meter
JP2727694B2 (ja) * 1989-10-20 1998-03-11 株式会社島津製作所 電磁流量計
JP2637330B2 (ja) * 1992-03-30 1997-08-06 株式会社島津製作所 電磁流量計
JP3357582B2 (ja) * 1997-09-10 2002-12-16 株式会社山武 電磁流量計
JP3324057B2 (ja) * 1997-09-12 2002-09-17 株式会社山武 電磁流量計
EP1125098B1 (en) 1998-09-29 2016-07-27 Scientific Generics Limited Magnetic flow meter
US6611775B1 (en) 1998-12-10 2003-08-26 Rosemount Inc. Electrode leakage diagnostics in a magnetic flow meter
US6615149B1 (en) 1998-12-10 2003-09-02 Rosemount Inc. Spectral diagnostics in a magnetic flow meter
JP4008779B2 (ja) * 2002-07-31 2007-11-14 株式会社山武 ２線式電磁流量計
DE10329540A1 (de) 2003-06-30 2005-02-24 Endress + Hauser Flowtec Ag, Reinach Verfahren zum Betrieb eines magnetisch-induktiven Durchflußmessers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309909A (en) * 1979-10-09 1982-01-12 Emerson Electric Co. Crystal stabilized voltage to frequency converter with digital calibration for flowmeters
US4651286A (en) * 1983-06-23 1987-03-17 Yokogawa Hokushin Electric Corporation Electromagnetic flowmeter
US4709583A (en) * 1985-10-31 1987-12-01 Sereg Electromagnetic flow meter using a pulsed magnetic field
US6505517B1 (en) * 1999-07-23 2003-01-14 Rosemount Inc. High accuracy signal processing for magnetic flowmeter
US6453272B1 (en) * 2000-02-28 2002-09-17 The Foxboro Company Spurious noise filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO 2005/001395 A1,全文.

Also Published As

Publication number Publication date
US7353119B2 (en) 2008-04-01
WO2007106359A2 (en) 2007-09-20
JP2009530610A (ja) 2009-08-27
US20070225922A1 (en) 2007-09-27
CN101410698A (zh) 2009-04-15
EP2005121B1 (en) 2019-12-11
EP2005121A2 (en) 2008-12-24
WO2007106359A3 (en) 2007-11-22
JP5575469B2 (ja) 2014-08-20

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Effective date of registration: 20160725

Address after: U.S.A.

Patentee after: Michael mori

Address before: American Minnesota

Patentee before: Rosemount Inc.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120425

CF01 Termination of patent right due to non-payment of annual fee