DE69413543T2 - Verbesserungen bezüglich der überwachung von flüssigkeitsströmungen - Google Patents

Verbesserungen bezüglich der überwachung von flüssigkeitsströmungen

Info

Publication number
DE69413543T2
DE69413543T2 DE69413543T DE69413543T DE69413543T2 DE 69413543 T2 DE69413543 T2 DE 69413543T2 DE 69413543 T DE69413543 T DE 69413543T DE 69413543 T DE69413543 T DE 69413543T DE 69413543 T2 DE69413543 T2 DE 69413543T2
Authority
DE
Germany
Prior art keywords
liquid flows
improvements regarding
regarding liquid
flows monitoring
monitoring
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
DE69413543T
Other languages
English (en)
Other versions
DE69413543D1 (de
Inventor
James Digby Yarlet Collier
Christopher Davies
Christopher James Newton Fryer
Alain Henri Waha
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 Kromschroeder GmbH
Original Assignee
G Kromschroeder 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
Priority claimed from GB9316001A external-priority patent/GB2275108A/en
Application filed by G Kromschroeder AG filed Critical G Kromschroeder AG
Publication of DE69413543D1 publication Critical patent/DE69413543D1/de
Application granted granted Critical
Publication of DE69413543T2 publication Critical patent/DE69413543T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G01F1/668—Compensating or correcting for variations in velocity of sound
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/248—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves by measuring phase differences

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
DE69413543T 1993-08-02 1994-08-01 Verbesserungen bezüglich der überwachung von flüssigkeitsströmungen Expired - Lifetime DE69413543T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9316001A GB2275108A (en) 1993-01-30 1993-08-02 Fluid flow meter
PCT/GB1994/001673 WO1995004258A1 (en) 1993-08-02 1994-08-01 Improvements relating to fluid flow monitoring

Publications (2)

Publication Number Publication Date
DE69413543D1 DE69413543D1 (de) 1998-10-29
DE69413543T2 true DE69413543T2 (de) 1999-02-11

Family

ID=10739841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413543T Expired - Lifetime DE69413543T2 (de) 1993-08-02 1994-08-01 Verbesserungen bezüglich der überwachung von flüssigkeitsströmungen

Country Status (6)

Country Link
EP (1) EP0712486B1 (de)
AU (1) AU7268994A (de)
DE (1) DE69413543T2 (de)
ES (1) ES2122312T3 (de)
PL (1) PL312833A1 (de)
WO (1) WO1995004258A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK199901477A (da) * 1999-10-14 2001-04-15 Danfoss As Sende- og modtagekredsløb for ultralydsflowmåler
DE102004026556B3 (de) * 2004-05-27 2006-01-12 Krohne Ag Sende- und Empfangsschaltung für ein Ultraschalldurchflußmeßgerät und Verfahren zum Betreiben einer solchen Sende- und Empfangsschaltung
GB2433321B (en) * 2005-12-16 2010-06-02 Landis & Gyr Ag A gas meter
EP2236994A1 (de) 2009-04-02 2010-10-06 Kamstrup A/S Durchflussmesser mit allgemeiner Schutzmembran
EP2383550A1 (de) 2010-04-28 2011-11-02 Miitors ApS Ultraschall-Durchflussmesser
WO2012055413A2 (en) * 2010-10-27 2012-05-03 Kamstrup A/S Ultrasonic flow meter with zero impedance measuring electronics
US8928137B2 (en) 2013-05-15 2015-01-06 Kamstrup A/S Flow meter with ultrasound transducer directly connected to and fixed to measurement circuit board
DK201470196A1 (en) * 2013-10-14 2015-04-20 Flonidan As Algorithm for calculating Amplitudes, Phase- or time differences
US11906338B2 (en) * 2020-06-05 2024-02-20 Honeywell International Inc. Flow measurement by combining 3L echo with delta time-of-flight cross correlation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2963483D1 (en) * 1978-07-22 1982-09-30 Robert James Redding Fluid flow measuring apparatus
DE3704472A1 (de) * 1987-02-13 1988-08-25 Standard Elektrik Lorenz Ag Messeinrichtung zur messung der relativgeschwindigkeit
DE4114650A1 (de) * 1991-05-05 1992-11-12 Krieg Gunther Verfahren und vorrichtung zur messung von volumenstroemen in fluessigkeiten und gasen
GB9119742D0 (en) * 1991-09-16 1991-10-30 British Gas Plc Measurement system

Also Published As

Publication number Publication date
DE69413543D1 (de) 1998-10-29
EP0712486B1 (de) 1998-09-23
WO1995004258A1 (en) 1995-02-09
AU7268994A (en) 1995-02-28
ES2122312T3 (es) 1998-12-16
PL312833A1 (en) 1996-05-13
EP0712486A1 (de) 1996-05-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition