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DE69821474D1 - Magnetisch-induktiver durchflussmesser - Google Patents

Magnetisch-induktiver durchflussmesser

Info

Publication number
DE69821474D1
DE69821474D1 DE69821474T DE69821474T DE69821474D1 DE 69821474 D1 DE69821474 D1 DE 69821474D1 DE 69821474 T DE69821474 T DE 69821474T DE 69821474 T DE69821474 T DE 69821474T DE 69821474 D1 DE69821474 D1 DE 69821474D1
Authority
DE
Germany
Prior art keywords
magnetic field
magnetic
duct
outputs
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.)
Expired - Fee Related
Application number
DE69821474T
Other languages
English (en)
Other versions
DE69821474T2 (de
Inventor
Salmasi Zareh Soghomonian
Wu Jin
David Gregg
Gerard Macmanus
Timothy Howarth
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.)
Elster Metering Ltd
Original Assignee
Elster Metering Ltd
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 Elster Metering Ltd filed Critical Elster Metering Ltd
Application granted granted Critical
Publication of DE69821474D1 publication Critical patent/DE69821474D1/de
Publication of DE69821474T2 publication Critical patent/DE69821474T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F1/586—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
    • 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
    • G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Electromagnets (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Magnetically Actuated Valves (AREA)
  • Control Of Combustion (AREA)
  • Paper (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE69821474T 1997-04-25 1998-04-24 Magnetisch-induktiver durchflussmesser Expired - Fee Related DE69821474T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9708539 1997-04-25
GB9708539A GB2324606B (en) 1997-04-25 1997-04-25 Electromagnetic flowmeter
PCT/GB1998/001199 WO1998049528A1 (en) 1997-04-25 1998-04-24 Electromagnetic flowmeter

Publications (2)

Publication Number Publication Date
DE69821474D1 true DE69821474D1 (de) 2004-03-11
DE69821474T2 DE69821474T2 (de) 2004-12-23

Family

ID=10811441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69821474T Expired - Fee Related DE69821474T2 (de) 1997-04-25 1998-04-24 Magnetisch-induktiver durchflussmesser

Country Status (14)

Country Link
US (1) US6237424B1 (de)
EP (1) EP0975936B1 (de)
JP (1) JP2001522457A (de)
KR (1) KR20010020291A (de)
AT (1) ATE259054T1 (de)
AU (1) AU741498B2 (de)
BR (1) BR9808970B1 (de)
CA (1) CA2286099A1 (de)
DE (1) DE69821474T2 (de)
ES (1) ES2216282T3 (de)
GB (1) GB2324606B (de)
HK (1) HK1025381A1 (de)
PT (1) PT975936E (de)
WO (1) WO1998049528A1 (de)

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EP0975936B1 (de) 2004-02-04
AU7068898A (en) 1998-11-24
AU741498B2 (en) 2001-11-29
GB2324606B (en) 2002-01-16
KR20010020291A (ko) 2001-03-15
HK1025381A1 (en) 2000-11-10
DE69821474T2 (de) 2004-12-23
US6237424B1 (en) 2001-05-29
GB9708539D0 (en) 1997-06-18
ES2216282T3 (es) 2004-10-16
BR9808970B1 (pt) 2011-08-23
WO1998049528A1 (en) 1998-11-05
GB2324606A (en) 1998-10-28
BR9808970A (pt) 2000-08-01
ATE259054T1 (de) 2004-02-15
CA2286099A1 (en) 1998-11-05
EP0975936A1 (de) 2000-02-02
JP2001522457A (ja) 2001-11-13
PT975936E (pt) 2004-06-30

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