IT1016749B - ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT - Google Patents

ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT

Info

Publication number
IT1016749B
IT1016749B IT6943974A IT6943974A IT1016749B IT 1016749 B IT1016749 B IT 1016749B IT 6943974 A IT6943974 A IT 6943974A IT 6943974 A IT6943974 A IT 6943974A IT 1016749 B IT1016749 B IT 1016749B
Authority
IT
Italy
Prior art keywords
mas
duct
measuring
air flow
ultrasonic device
Prior art date
Application number
IT6943974A
Other languages
Italian (it)
Inventor
E Giaccardi
M Palazzetti
R Polesinanti
Original Assignee
Fiat Spa
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 Fiat Spa filed Critical Fiat Spa
Priority to IT6943974A priority Critical patent/IT1016749B/en
Priority to GB2154875A priority patent/GB1509963A/en
Priority to DE19752527286 priority patent/DE2527286B2/en
Priority to JP9001175A priority patent/JPS5137669A/en
Priority to FR7523671A priority patent/FR2280884A1/en
Application granted granted Critical
Publication of IT1016749B publication Critical patent/IT1016749B/en

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)
IT6943974A 1974-08-01 1974-08-01 ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT IT1016749B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT6943974A IT1016749B (en) 1974-08-01 1974-08-01 ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT
GB2154875A GB1509963A (en) 1974-08-01 1975-05-20 Devices for determining mass air flow in a conduit
DE19752527286 DE2527286B2 (en) 1974-08-01 1975-06-19 ARRANGEMENT FOR MEASURING THE FLOW OF AIR FLOW THROUGH A PIPE
JP9001175A JPS5137669A (en) 1974-08-01 1975-07-23 Dakutonaino kukiryuryoosokuteisuru choonpasochioyobi dosochio jusuru dakuto
FR7523671A FR2280884A1 (en) 1974-08-01 1975-07-29 ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN A DUCT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6943974A IT1016749B (en) 1974-08-01 1974-08-01 ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT

Publications (1)

Publication Number Publication Date
IT1016749B true IT1016749B (en) 1977-06-20

Family

ID=11312136

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6943974A IT1016749B (en) 1974-08-01 1974-08-01 ULTRASONIC DEVICE FOR MEASURING THE AIR FLOW IN MAS SA IN A DUCT

Country Status (5)

Country Link
JP (1) JPS5137669A (en)
DE (1) DE2527286B2 (en)
FR (1) FR2280884A1 (en)
GB (1) GB1509963A (en)
IT (1) IT1016749B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648718C2 (en) * 1976-10-27 1978-12-21 Danfoss A/S, Nordborg (Daenemark) Device that works with ultrasound to determine the physical quantities of a medium
CH604133A5 (en) * 1977-05-10 1978-08-31 Landis & Gyr Ag
DE2953179A1 (en) * 1978-09-29 1980-12-04 Neil Brown Instr Syst Inc ACOUSTIC CURRENT METER
IT1144295B (en) * 1981-07-10 1986-10-29 Fiat Ricerche ULTRASONIC DEVICE FOR MEASURING THE FLOW RATE OF A FLUID IN A DUCT
CA1307605C (en) * 1987-06-23 1992-09-15 Rene Arpin Polymers with imid groups without daimine and process for their preparation
US5221723A (en) * 1987-06-23 1993-06-22 Ciba-Geigy Corporation Thermally stable bisimido copolymerizates
US5728948A (en) * 1993-03-09 1998-03-17 Commonwealth Scientific And Industrial Research Organisation Fluid meter construction
DE19704001A1 (en) * 1997-02-04 1998-08-06 Herzog Stephan Method for measuring wind speed measurement using ultrasound
US9335194B2 (en) 2013-09-16 2016-05-10 Agena A/S System or a method for measuring flow of fluid or gas

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831348A (en) * 1953-08-14 1958-04-22 Kritz Jack Apparatus for suppressing undesirable modes in ultrasonic flowmeters
US2991650A (en) * 1956-03-07 1961-07-11 Henry S Katzenstein Sonic flow meter
US3050997A (en) * 1958-06-10 1962-08-28 Nat Res Dev Flowmeters
GB1072519A (en) * 1964-11-24 1967-06-21 Decca Ltd Improvements in or relating to speed measuring devices
FR95411E (en) * 1968-02-26 1970-11-06 Realisations Ultrasoniques Sa Ultrasonic flowmeter.
FR2070438A5 (en) * 1969-12-04 1971-09-10 Alais Pierre
US3575049A (en) * 1970-01-08 1971-04-13 Atomic Energy Commission Sonic flow meter
FR2077827A1 (en) * 1970-02-17 1971-11-05 Thomson Csf

Also Published As

Publication number Publication date
GB1509963A (en) 1978-05-10
FR2280884A1 (en) 1976-02-27
FR2280884B1 (en) 1978-06-09
JPS5137669A (en) 1976-03-30
DE2527286A1 (en) 1976-02-19
DE2527286B2 (en) 1977-12-22

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