DE69841903D1 - Coriolisdurchflussmesser mit digitalem Regelsystem - Google Patents

Coriolisdurchflussmesser mit digitalem Regelsystem

Info

Publication number
DE69841903D1
DE69841903D1 DE69841903T DE69841903T DE69841903D1 DE 69841903 D1 DE69841903 D1 DE 69841903D1 DE 69841903 T DE69841903 T DE 69841903T DE 69841903 T DE69841903 T DE 69841903T DE 69841903 D1 DE69841903 D1 DE 69841903D1
Authority
DE
Germany
Prior art keywords
control system
digital control
coriolis flowmeter
coriolis
flowmeter
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 - Lifetime
Application number
DE69841903T
Other languages
English (en)
Inventor
Manus P Henry
James H Vignos
David W Clarke
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.)
Schneider Electric Systems USA Inc
Original Assignee
Invensys Systems Inc
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=26746870&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69841903(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Invensys Systems Inc filed Critical Invensys Systems Inc
Application granted granted Critical
Publication of DE69841903D1 publication Critical patent/DE69841903D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8404—Coriolis or gyroscopic mass flowmeters details of flowmeter manufacturing methods
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8431—Coriolis or gyroscopic mass flowmeters constructional details electronic circuits
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8436—Coriolis or gyroscopic mass flowmeters constructional details signal processing
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
    • G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
    • G01F1/8481—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point
    • G01F1/8486—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point with multiple measuring conduits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
DE69841903T 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem Expired - Lifetime DE69841903D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6655497P 1997-11-26 1997-11-26
US09/111,739 US6311136B1 (en) 1997-11-26 1998-07-08 Digital flowmeter

Publications (1)

Publication Number Publication Date
DE69841903D1 true DE69841903D1 (de) 2010-10-28

Family

ID=26746870

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69841903T Expired - Lifetime DE69841903D1 (de) 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem
DE69840766T Expired - Lifetime DE69840766D1 (de) 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem
DE98309694T Pending DE98309694T1 (de) 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69840766T Expired - Lifetime DE69840766D1 (de) 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem
DE98309694T Pending DE98309694T1 (de) 1997-11-26 1998-11-26 Coriolisdurchflussmesser mit digitalem Regelsystem

Country Status (4)

Country Link
US (7) US6311136B1 (de)
EP (1) EP0919793B1 (de)
JP (2) JP2000018995A (de)
DE (3) DE69841903D1 (de)

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EP0919793A3 (de) 1999-10-06
DE98309694T1 (de) 2004-09-30
EP0919793A2 (de) 1999-06-02
US6917887B2 (en) 2005-07-12
US20020038186A1 (en) 2002-03-28
JP2007248479A (ja) 2007-09-27
US20020019710A1 (en) 2002-02-14
US6754594B2 (en) 2004-06-22
US20070124090A1 (en) 2007-05-31
US20050209794A1 (en) 2005-09-22
US7136761B2 (en) 2006-11-14
DE69840766D1 (de) 2009-06-04
US6507791B2 (en) 2003-01-14
US20040031328A1 (en) 2004-02-19
JP2000018995A (ja) 2000-01-21
EP0919793B1 (de) 2009-04-22
US20100107778A1 (en) 2010-05-06
US8000906B2 (en) 2011-08-16
US7571062B2 (en) 2009-08-04
US6311136B1 (en) 2001-10-30

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