JP4174725B2 - 電磁流量計 - Google Patents

電磁流量計 Download PDF

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Publication number
JP4174725B2
JP4174725B2 JP2004113996A JP2004113996A JP4174725B2 JP 4174725 B2 JP4174725 B2 JP 4174725B2 JP 2004113996 A JP2004113996 A JP 2004113996A JP 2004113996 A JP2004113996 A JP 2004113996A JP 4174725 B2 JP4174725 B2 JP 4174725B2
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JP
Japan
Prior art keywords
magnetic
magnetic flux
electromagnetic flowmeter
magnetic pole
flowmeter according
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
Application number
JP2004113996A
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English (en)
Japanese (ja)
Other versions
JP2005300251A5 (enExample
JP2005300251A (ja
Inventor
郁光 石川
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 JP2004113996A priority Critical patent/JP4174725B2/ja
Priority to EP05006020A priority patent/EP1591759A1/en
Priority to US11/100,139 priority patent/US7293468B2/en
Priority to CNB2005100632337A priority patent/CN100363718C/zh
Publication of JP2005300251A publication Critical patent/JP2005300251A/ja
Publication of JP2005300251A5 publication Critical patent/JP2005300251A5/ja
Application granted granted Critical
Publication of JP4174725B2 publication Critical patent/JP4174725B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G01F1/586—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)
JP2004113996A 2004-04-08 2004-04-08 電磁流量計 Expired - Fee Related JP4174725B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004113996A JP4174725B2 (ja) 2004-04-08 2004-04-08 電磁流量計
EP05006020A EP1591759A1 (en) 2004-04-08 2005-03-18 Electromagnetic flowmeter
US11/100,139 US7293468B2 (en) 2004-04-08 2005-04-05 Electromagnetic flowmeter
CNB2005100632337A CN100363718C (zh) 2004-04-08 2005-04-07 电磁流量计

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2005300251A JP2005300251A (ja) 2005-10-27
JP2005300251A5 JP2005300251A5 (enExample) 2006-01-26
JP4174725B2 true JP4174725B2 (ja) 2008-11-05

Family

ID=34934371

Family Applications (1)

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

Country Status (4)

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

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

Family Cites Families (11)

* 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
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
JPS62188910A (ja) * 1986-02-14 1987-08-18 Aichi Tokei Denki Co Ltd 電磁流量計
JP2557531B2 (ja) * 1989-09-12 1996-11-27 株式会社東芝 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
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
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
CN1680786A (zh) 2005-10-12
JP2005300251A (ja) 2005-10-27
EP1591759A1 (en) 2005-11-02
US7293468B2 (en) 2007-11-13
US20050223816A1 (en) 2005-10-13
CN100363718C (zh) 2008-01-23

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