DK148686A - Fremgangsmaade og apparat til intermitterende maaling af en elektrisk ledende vaeskes gennemstroemning - Google Patents

Fremgangsmaade og apparat til intermitterende maaling af en elektrisk ledende vaeskes gennemstroemning Download PDF

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Publication number
DK148686A
DK148686A DK148686A DK148686A DK148686A DK 148686 A DK148686 A DK 148686A DK 148686 A DK148686 A DK 148686A DK 148686 A DK148686 A DK 148686A DK 148686 A DK148686 A DK 148686A
Authority
DK
Denmark
Prior art keywords
capacitor
magnetic field
flow transducer
energy
decay
Prior art date
Application number
DK148686A
Other languages
English (en)
Other versions
DK148686D0 (da
Inventor
Peter Mathis
Original Assignee
Gas & Wassermesserfab Ag
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=4210968&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK148686(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gas & Wassermesserfab Ag filed Critical Gas & Wassermesserfab Ag
Publication of DK148686D0 publication Critical patent/DK148686D0/da
Publication of DK148686A publication Critical patent/DK148686A/da

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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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • 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)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DK148686A 1985-04-03 1986-04-02 Fremgangsmaade og apparat til intermitterende maaling af en elektrisk ledende vaeskes gennemstroemning DK148686A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1459/85A CH668124A5 (de) 1985-04-03 1985-04-03 Verfahren zur intermittierenden messung der durchflussmenge einer fluessigkeit mit hilfe eines induktiven stroemungswandlers und einrichtung zur durchfuehrung dieses verfahrens.

Publications (2)

Publication Number Publication Date
DK148686D0 DK148686D0 (da) 1986-04-02
DK148686A true DK148686A (da) 1986-10-04

Family

ID=4210968

Family Applications (1)

Application Number Title Priority Date Filing Date
DK148686A DK148686A (da) 1985-04-03 1986-04-02 Fremgangsmaade og apparat til intermitterende maaling af en elektrisk ledende vaeskes gennemstroemning

Country Status (5)

Country Link
EP (1) EP0196559B1 (da)
AT (1) ATE54751T1 (da)
CH (1) CH668124A5 (da)
DE (1) DE3672643D1 (da)
DK (1) DK148686A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938160C2 (de) * 1999-08-16 2003-11-20 Krohne Messtechnik Kg Magnetisch-induktives Durchflußmeßverfahren und Durchflußmeßgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1206953A (en) * 1967-02-04 1970-09-30 Mawdsley S Ltd Improvements in or relating to electromagnetic flowmeter heads
DE2744845C3 (de) * 1977-10-05 1985-08-08 Flowtec AG, Reinach, Basel Verfahren zur Kompensation der elektrochemischen Störgleichspannung bei der magnetisch-induktiven Durchflußmessung mit periodisch umgepoltem magnetischem Gleichfeld
DE3029791C3 (de) * 1980-08-06 1994-08-04 Aichi Tokei Denki Kk Elektromagnetischer Strömungsmesser
DE3133330C2 (de) * 1981-08-22 1983-11-24 Eckardt Ag, 7000 Stuttgart Magnetisch-induktiver Durchflußmesser

Also Published As

Publication number Publication date
EP0196559B1 (de) 1990-07-18
CH668124A5 (de) 1988-11-30
EP0196559A1 (de) 1986-10-08
DK148686D0 (da) 1986-04-02
DE3672643D1 (de) 1990-08-23
ATE54751T1 (de) 1990-08-15

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
CTFF Application for supplementary protection certificate (spc) filed

Free format text: CA 1993 00024, 930615

CTFF Application for supplementary protection certificate (spc) filed

Free format text: CA 1993 00024, 930615

PUP Patent expired