DE69118483D1 - Magnetischer Durchflussmesser - Google Patents

Magnetischer Durchflussmesser

Info

Publication number
DE69118483D1
DE69118483D1 DE69118483T DE69118483T DE69118483D1 DE 69118483 D1 DE69118483 D1 DE 69118483D1 DE 69118483 T DE69118483 T DE 69118483T DE 69118483 T DE69118483 T DE 69118483T DE 69118483 D1 DE69118483 D1 DE 69118483D1
Authority
DE
Germany
Prior art keywords
flow meter
magnetic flow
magnetic
meter
flow
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.)
Revoked
Application number
DE69118483T
Other languages
English (en)
Other versions
DE69118483T2 (de
Inventor
Toyofumi Tomita
Toshihiko Okamoto
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17881759&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69118483(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69118483D1 publication Critical patent/DE69118483D1/de
Publication of DE69118483T2 publication Critical patent/DE69118483T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/18—Indicating, recording or alarm devices actuated electrically

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
DE69118483T 1990-11-06 1991-11-04 Magnetischer Durchflussmesser Revoked DE69118483T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2300185A JP2788339B2 (ja) 1990-11-06 1990-11-06 電磁流量計

Publications (2)

Publication Number Publication Date
DE69118483D1 true DE69118483D1 (de) 1996-05-09
DE69118483T2 DE69118483T2 (de) 1996-08-22

Family

ID=17881759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118483T Revoked DE69118483T2 (de) 1990-11-06 1991-11-04 Magnetischer Durchflussmesser

Country Status (5)

Country Link
US (1) US5253537A (de)
EP (1) EP0485135B1 (de)
JP (1) JP2788339B2 (de)
KR (1) KR940002187B1 (de)
DE (1) DE69118483T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5844143A (en) * 1992-04-17 1998-12-01 Kabushiki Kaisha Toshiba Electromagnetic flowmeter
GB2332527B (en) 1997-12-19 2002-10-30 Abb Kent Taylor Ltd Electromagnetic flowmeter
WO1999045344A1 (en) * 1998-03-02 1999-09-10 Tolmer Trading Co. Pty. Ltd. Measurement apparatus for measuring fluid flow
KR20040066802A (ko) * 2001-11-22 2004-07-27 소니 가부시끼 가이샤 광픽업장치와 광디스크장치 및 광학장치와 복합광학소자
US7619418B2 (en) * 2007-04-19 2009-11-17 Rosemount Inc. Magnetic flowmeter output verification
DE102008029956A1 (de) 2008-06-26 2009-12-31 Endress + Hauser Flowtec Ag Meßsystem mit einem Sensormodul und einem Transmittermodul
DE102008053920A1 (de) 2008-10-30 2010-05-06 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verteilermodul bzw. damit gebildetes Messsystem
JP2015105929A (ja) * 2013-12-02 2015-06-08 株式会社東芝 電磁流量計
CN104280081A (zh) * 2014-10-22 2015-01-14 中山欧麦克仪器设备有限公司 一种智能型大口径电磁流量计
US10024707B2 (en) * 2016-02-17 2018-07-17 Schneider Electric Systems Usa, Inc. Electromagnetic flowmeter calibration verification
CN112229457B (zh) * 2020-11-19 2021-09-21 吉林大学 一种新型电磁流量计及其测量方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454469C3 (de) * 1974-11-16 1981-07-23 Fischer & Porter GmbH, 3400 Göttingen Induktiver Durchflußmesser
JPS52134764A (en) * 1976-05-06 1977-11-11 Fuji Electric Co Ltd Electromagnetic flow meter
US4103292A (en) * 1976-06-16 1978-07-25 Haas James R Material sensing device
JPS5562923U (de) * 1978-10-25 1980-04-30
US4357835A (en) * 1980-06-20 1982-11-09 Hokushin Electric Works, Ltd. Electromagnetic flowmeter in shielded lines
JPS57134629U (de) * 1981-02-13 1982-08-21
US4513624A (en) * 1983-01-20 1985-04-30 The Foxboro Company Capacitively-coupled magnetic flowmeter
JPS59173714A (ja) * 1983-03-23 1984-10-01 Toshiba Corp 電磁流量計の励磁方式
JP2559522B2 (ja) * 1989-06-16 1996-12-04 株式会社日立製作所 電磁流量計

Also Published As

Publication number Publication date
US5253537A (en) 1993-10-19
KR940002187B1 (ko) 1994-03-18
EP0485135B1 (de) 1996-04-03
JPH04174324A (ja) 1992-06-22
JP2788339B2 (ja) 1998-08-20
EP0485135A1 (de) 1992-05-13
DE69118483T2 (de) 1996-08-22
KR920010267A (ko) 1992-06-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation