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DK0866319T3 - Measuring and operating circuits for Coriolis-type mass flow meters - Google Patents

Measuring and operating circuits for Coriolis-type mass flow meters

Info

Publication number
DK0866319T3
DK0866319T3 DK98810174T DK98810174T DK0866319T3 DK 0866319 T3 DK0866319 T3 DK 0866319T3 DK 98810174 T DK98810174 T DK 98810174T DK 98810174 T DK98810174 T DK 98810174T DK 0866319 T3 DK0866319 T3 DK 0866319T3
Authority
DK
Denmark
Prior art keywords
coriolis
measuring
mass flow
flow meters
type mass
Prior art date
Application number
DK98810174T
Other languages
Danish (da)
Inventor
Dietmar Dipl-Ing Fh Stadler
Original Assignee
Flowtec 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
Application filed by Flowtec Ag filed Critical Flowtec Ag
Application granted granted Critical
Publication of DK0866319T3 publication Critical patent/DK0866319T3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G01F15/024—Compensating or correcting for variations in pressure, density or temperature using electrical means involving digital counting
    • 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
    • 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
    • G01F1/8413—Coriolis or gyroscopic mass flowmeters constructional details means for influencing the flowmeter's motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments
    • 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
    • G01F1/845—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
    • G01F1/849—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits having straight measuring conduits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
DK98810174T 1997-03-21 1998-03-02 Measuring and operating circuits for Coriolis-type mass flow meters DK0866319T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97810169 1997-03-21
EP19980810174 EP0866319B1 (en) 1997-03-21 1998-03-02 Measuring and operating circuit of a Coriolis-type mass flow meter

Publications (1)

Publication Number Publication Date
DK0866319T3 true DK0866319T3 (en) 2000-04-03

Family

ID=26148008

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98810174T DK0866319T3 (en) 1997-03-21 1998-03-02 Measuring and operating circuits for Coriolis-type mass flow meters

Country Status (6)

Country Link
EP (1) EP0866319B1 (en)
JP (1) JP2873286B2 (en)
CN (1) CN1125316C (en)
DE (1) DE59800051D1 (en)
DK (1) DK0866319T3 (en)
ES (1) ES2140250T3 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092429A (en) † 1997-12-04 2000-07-25 Micro Motion, Inc. Driver for oscillating a vibrating conduit
US6513392B1 (en) * 1998-12-08 2003-02-04 Emerson Electric Co. Coriolis mass flow controller
US6412355B1 (en) 1999-05-20 2002-07-02 Endress + Hauser Flowtec Ag Coriolis-type flow meter and method for measuring the mass flow rate of a gaseous or vaporous fluid
US6318186B1 (en) 1999-06-28 2001-11-20 Micro Motion, Inc. Type identification and parameter selection for drive control in a coriolis flowmeter
US6505131B1 (en) * 1999-06-28 2003-01-07 Micro Motion, Inc. Multi-rate digital signal processor for signals from pick-offs on a vibrating conduit
DE19939157B4 (en) * 1999-08-20 2005-06-23 Krohne Ag A method for driving a vibrator and supply circuit for a vibrator
EP1158289B1 (en) * 2000-04-27 2003-06-25 Endress + Hauser Flowtec AG Vibration type measuring device and method of measuring a viscosity of a fluid
US6651513B2 (en) 2000-04-27 2003-11-25 Endress + Hauser Flowtec Ag Vibration meter and method of measuring a viscosity of a fluid
DE10045537A1 (en) * 2000-09-13 2002-03-21 Flowtec Ag Measuring and operating circuit for Coriolis mass flowmeter uses digital processor for calculation of mass flow rate using one oscillation sensor signal and difference between oscillation sensor signals
DE10131858A1 (en) * 2001-06-30 2003-01-23 Flowtec Ag Coriolis flow rate sensor interpolates Fourier components
AR054760A1 (en) 2005-05-20 2007-07-18 Micro Motion Inc ELECTRONIC MEASUREMENT EQUIPMENT AND METHODS TO DETERMINE A GAS VACUUM FRACTION
DE102005025354A1 (en) * 2005-05-31 2006-12-07 Endress + Hauser Flowtec Ag Coriolis mass flow meter and method for compensation of transmission errors of its input circuit
US7555397B2 (en) 2005-05-31 2009-06-30 Endress + Hauser Flowtec Ag Coriolis mass flow meter and method for compensation of transmission errors of its input circuit
DE102005046319A1 (en) 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Two or multi-phase medium e.g. fluid`s, physical flow parameter e.g. flow rate, measuring method, involves producing measurement values representing parameter by considering pressure difference of medium and by usage of transfer function
EP1987327A1 (en) 2005-12-27 2008-11-05 Endress+Hauser Flowtec AG In-line measuring devices and method for compensating measurement errors in in-line measuring devices
AR054423A3 (en) 2006-01-11 2007-06-27 Spinlock S R L AN APPLIANCE AND METHOD FOR MEASURING THE FLOW AND CUTTING OF OIL AND WATER FROM OIL PRODUCTION IN TIME AND REAL FLOWS
DE102006058732A1 (en) 2006-12-13 2008-06-26 Abb Ag Vibration type measurement device i.e. Coriolis measurement device, operating process, involves using phase shift as input for controller so that excitation frequency is automatically adjusted as function of phase shift
JP5315360B2 (en) * 2008-02-11 2013-10-16 マイクロ モーション インコーポレイテッド System, method and computer program product for detecting process disturbances occurring in an oscillating flow device
US9958316B2 (en) 2009-07-16 2018-05-01 Koninklijke Philips N.V. System and method for measuring a resonance frequency of a tube
CN101881947B (en) * 2010-05-26 2011-11-30 北京航空航天大学 All-digital closed-loop system of Coriolis mass flowmeter
US8788069B2 (en) * 2011-09-27 2014-07-22 Fisher-Rosemount Systems, Inc. Method and apparatus for eliminating aliasing
GB2515073B (en) 2013-06-13 2017-12-13 Gen Electric Imaging or analysis of flowing media
CN105807142B (en) * 2016-03-15 2018-06-12 四川理工学院 A kind of sensor detection circuit
DE102016112600A1 (en) * 2016-07-08 2018-01-11 Endress + Hauser Flowtec Ag measuring system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002105A1 (en) * 1986-09-18 1988-03-24 Rheometron Ag Mass flow meter for flowing media, equipped with coriolis force measuring systems
US4852409A (en) * 1988-06-09 1989-08-01 Fischer & Porter Company Signal recovery system for mass flowmeter
US4934196A (en) * 1989-06-02 1990-06-19 Micro Motion, Inc. Coriolis mass flow rate meter having a substantially increased noise immunity
US5429002A (en) * 1994-05-11 1995-07-04 Schlumberger Industries, Inc. Coriolis-type fluid mass flow rate measurement device and method employing a least-squares algorithm
JP3219122B2 (en) * 1994-07-11 2001-10-15 横河電機株式会社 Coriolis mass flowmeter
EP0698783A1 (en) * 1994-08-16 1996-02-28 Endress + Hauser Flowtec AG Evaluation electronics of a coriolis mass flow sensor
EP1249689A3 (en) * 1994-09-13 2003-02-12 Fuji Electric Co., Ltd. Phase difference measuring apparatus and mass flowmeter thereof

Also Published As

Publication number Publication date
CN1125316C (en) 2003-10-22
EP0866319B1 (en) 1999-11-24
ES2140250T3 (en) 2000-02-16
DE59800051D1 (en) 1999-12-30
EP0866319A1 (en) 1998-09-23
JP2873286B2 (en) 1999-03-24
CN1194368A (en) 1998-09-30
JPH116754A (en) 1999-01-12

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