SE7604208L - Forbettringar i med multipeltidsskillnad arbetande ultraljudstromningsmetare - Google Patents

Forbettringar i med multipeltidsskillnad arbetande ultraljudstromningsmetare

Info

Publication number
SE7604208L
SE7604208L SE7604208A SE7604208A SE7604208L SE 7604208 L SE7604208 L SE 7604208L SE 7604208 A SE7604208 A SE 7604208A SE 7604208 A SE7604208 A SE 7604208A SE 7604208 L SE7604208 L SE 7604208L
Authority
SE
Sweden
Prior art keywords
time difference
flow meter
ultrasound flow
difference working
working ultrasound
Prior art date
Application number
SE7604208A
Other languages
English (en)
Other versions
SE406011B (sv
Inventor
C E Hardies
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of SE7604208L publication Critical patent/SE7604208L/sv
Publication of SE406011B publication Critical patent/SE406011B/sv

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
    • G01F1/66—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
SE7604208A 1975-05-05 1976-04-09 Stromningsmetare SE406011B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/574,671 US3974693A (en) 1975-05-05 1975-05-05 Multiple time difference ultrasonic flowmeter

Publications (2)

Publication Number Publication Date
SE7604208L true SE7604208L (sv) 1976-11-06
SE406011B SE406011B (sv) 1979-01-15

Family

ID=24297126

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7604208A SE406011B (sv) 1975-05-05 1976-04-09 Stromningsmetare

Country Status (11)

Country Link
US (1) US3974693A (sv)
JP (1) JPS51136445A (sv)
AU (1) AU503735B2 (sv)
CA (1) CA1058746A (sv)
DE (1) DE2619726A1 (sv)
FR (1) FR2331001A1 (sv)
GB (1) GB1549652A (sv)
IT (1) IT1068953B (sv)
NO (1) NO761513L (sv)
SE (1) SE406011B (sv)
ZA (1) ZA761758B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454101A1 (fr) * 1979-04-11 1980-11-07 Onera (Off Nat Aerospatiale) Appareil de mesure de la vitesse d'une veine liquide par ultra-sons
FR2551204B1 (fr) * 1983-04-12 1987-07-31 Faes Yves Procede et dispositif de mesure du temps de propagation d'une onde dans un ecoulement et application a un procede de determination de la vitesse de cet ecoulement
EP0179541A3 (en) * 1984-10-19 1987-08-26 Smith Meter Inc. Sonic flow meter
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
FI88209C (sv) * 1992-04-14 1993-04-13 Kytoelae Instrumenttitehdas Förfarande och anordning vid akustisk strömmätning för att försäkra si g om den funktionsförmåga
SE503614C2 (sv) 1994-10-24 1996-07-15 Jerker Delsing Sätt vid mätning i ett fluidum med hjälp av sing-around- teknik, anordning vid mätinstrument av sing-around-typ och mätinstrument av sing-around-typ
FR2734361B1 (fr) 1995-05-17 1997-07-18 Schlumberger Ind Sa Dispositif pour la mesure de la vitesse d'ecoulement d'un fluide par ultrasons
DE19703243A1 (de) * 1997-01-29 1998-07-30 Tokheim Corp Vorrichtung zur Volumenmessung strömender Medien sowie entsprechendes Verfahren
US6381549B1 (en) 1999-01-28 2002-04-30 Dolphin Technology, Inc. System and method using digital filters and neural networks to determine fluid flow
US6158288A (en) * 1999-01-28 2000-12-12 Dolphin Technology, Inc. Ultrasonic system for measuring flow rate, fluid velocity, and pipe diameter based upon time periods
WO2000046575A1 (en) * 1999-02-04 2000-08-10 Bechtel Bwxt Idaho, Llc Ultrasonic flow metering system
US6468222B1 (en) * 1999-08-02 2002-10-22 Healthetech, Inc. Metabolic calorimeter employing respiratory gas analysis
US6487916B1 (en) * 2000-02-02 2002-12-03 Bechtel Bxwt Idaho, Llc Ultrasonic flow metering system
WO2003084395A1 (en) * 2002-04-01 2003-10-16 Healthetech, Inc. System and method of determining an individualized drug administration dosage
US20250198816A1 (en) * 2023-12-18 2025-06-19 Sensia Netherlands B.V. Systems and methods of high accuracy flow measurements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625057A (en) * 1967-11-01 1971-12-07 Mitsubishi Electric Corp Ultrasonic flowmeter
GB1285175A (en) * 1968-10-04 1972-08-09 Atomic Energy Authority Uk Improvements in or relating to apparatus for measuring the flow velocity of fluids
US3653259A (en) * 1970-03-06 1972-04-04 Westinghouse Electric Corp Ultrasonic flowmeter systems
US3882722A (en) * 1973-09-07 1975-05-13 Westinghouse Electric Corp Multiple time difference ultrasonic flowmeters
US3935735A (en) * 1974-09-03 1976-02-03 Badger Meter, Inc. Ultrasonic flow meter

Also Published As

Publication number Publication date
FR2331001A1 (fr) 1977-06-03
US3974693A (en) 1976-08-17
AU503735B2 (en) 1979-09-20
IT1068953B (it) 1985-03-21
SE406011B (sv) 1979-01-15
AU1294676A (en) 1977-10-20
NO761513L (sv) 1976-11-08
ZA761758B (en) 1977-03-30
JPS51136445A (en) 1976-11-25
CA1058746A (en) 1979-07-17
GB1549652A (en) 1979-08-08
DE2619726A1 (de) 1976-11-18

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