CN100363718C - 电磁流量计 - Google Patents

电磁流量计 Download PDF

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Publication number
CN100363718C
CN100363718C CNB2005100632337A CN200510063233A CN100363718C CN 100363718 C CN100363718 C CN 100363718C CN B2005100632337 A CNB2005100632337 A CN B2005100632337A CN 200510063233 A CN200510063233 A CN 200510063233A CN 100363718 C CN100363718 C CN 100363718C
Authority
CN
China
Prior art keywords
magnetic
electromagnetic flowmeter
magnetic flux
pole core
core
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 - Fee Related
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CNB2005100632337A
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English (en)
Chinese (zh)
Other versions
CN1680786A (zh
Inventor
石川郁光
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
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Yokogawa Electric Corp
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Publication date
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Publication of CN1680786A publication Critical patent/CN1680786A/zh
Application granted granted Critical
Publication of CN100363718C publication Critical patent/CN100363718C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G01F1/586—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 constructions of coils, magnetic circuits, accessories therefor

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CNB2005100632337A 2004-04-08 2005-04-07 电磁流量计 Expired - Fee Related CN100363718C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004113996 2004-04-08
JP2004113996A JP4174725B2 (ja) 2004-04-08 2004-04-08 電磁流量計

Publications (2)

Publication Number Publication Date
CN1680786A CN1680786A (zh) 2005-10-12
CN100363718C true CN100363718C (zh) 2008-01-23

Family

ID=34934371

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100632337A Expired - Fee Related CN100363718C (zh) 2004-04-08 2005-04-07 电磁流量计

Country Status (4)

Country Link
US (1) US7293468B2 (https=)
EP (1) EP1591759A1 (https=)
JP (1) JP4174725B2 (https=)
CN (1) CN100363718C (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9021890B2 (en) 2012-09-26 2015-05-05 Rosemount Inc. Magnetic flowmeter with multiple coils
US8991264B2 (en) * 2012-09-26 2015-03-31 Rosemount Inc. Integrally molded magnetic flowmeter
CN104121953A (zh) * 2014-07-02 2014-10-29 重庆川仪自动化股份有限公司 一种剩磁励磁电磁流量计
DE102014113404A1 (de) * 2014-09-17 2016-03-17 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät mit einem Vierspulen- Magnetsystem
DE102015120103B4 (de) * 2015-11-19 2018-09-13 Krohne Ag Verfahren zur Durchflussmessung durch ein magnetisch-induktives Durchflussmessgerät
DE102015121730A1 (de) * 2015-12-14 2017-06-14 Endress+Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
US10502599B2 (en) * 2016-03-31 2019-12-10 Rosemount Inc. Polymeric magnetic flowmeter flow body assembly
CN108871473A (zh) * 2018-06-20 2018-11-23 上海肯特仪表股份有限公司 低功耗电磁水表
CN113532555A (zh) * 2020-04-22 2021-10-22 上海肯特仪表股份有限公司 一种低功耗电磁水表
CN111982216A (zh) * 2020-08-26 2020-11-24 沈阳兰申电器有限公司 一种高频、低功耗励磁系统的电磁流量计及其励磁方法
CN121311742A (zh) * 2023-06-16 2026-01-09 Abb瑞士股份有限公司 电磁流量计

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4736635A (en) * 1986-02-14 1988-04-12 Aichi Tokei Denki Co., Ltd. Electromagnetic flowmeter
JPH11118548A (ja) * 1997-10-14 1999-04-30 Fuji Electric Co Ltd 電磁流量計
JP3043087B2 (ja) * 1991-03-25 2000-05-22 愛知時計電機株式会社 残留磁気式電磁流量計
JP2001281028A (ja) * 2000-03-29 2001-10-10 Yokogawa Electric Corp 電磁流量計

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741121A (en) * 1952-06-17 1956-04-10 Vitro Corp Of America Means for minimizing electrostatic voltages in a flowmeter
GB978900A (en) * 1960-11-07 1964-12-23 Hikushin Denki Seisakusho Kk Improvements in electromagnetic flowmeters
JPS597930B2 (ja) 1979-02-08 1984-02-21 愛知時計電機株式会社 電磁流量計
JP2557531B2 (ja) * 1989-09-12 1996-11-27 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
JPH0875514A (ja) 1994-09-05 1996-03-22 Yokogawa Electric Corp 電磁流量計

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4736635A (en) * 1986-02-14 1988-04-12 Aichi Tokei Denki Co., Ltd. Electromagnetic flowmeter
JP3043087B2 (ja) * 1991-03-25 2000-05-22 愛知時計電機株式会社 残留磁気式電磁流量計
JPH11118548A (ja) * 1997-10-14 1999-04-30 Fuji Electric Co Ltd 電磁流量計
JP2001281028A (ja) * 2000-03-29 2001-10-10 Yokogawa Electric Corp 電磁流量計

Also Published As

Publication number Publication date
EP1591759A1 (en) 2005-11-02
US20050223816A1 (en) 2005-10-13
JP2005300251A (ja) 2005-10-27
CN1680786A (zh) 2005-10-12
JP4174725B2 (ja) 2008-11-05
US7293468B2 (en) 2007-11-13

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Granted publication date: 20080123

Termination date: 20110407