FR2121452B1 - - Google Patents

Info

Publication number
FR2121452B1
FR2121452B1 FR7101145A FR7101145A FR2121452B1 FR 2121452 B1 FR2121452 B1 FR 2121452B1 FR 7101145 A FR7101145 A FR 7101145A FR 7101145 A FR7101145 A FR 7101145A FR 2121452 B1 FR2121452 B1 FR 2121452B1
Authority
FR
France
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
Application number
FR7101145A
Other languages
French (fr)
Other versions
FR2121452A1 (xx
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7101145A priority Critical patent/FR2121452B1/fr
Priority to NL7200501A priority patent/NL7200501A/xx
Priority to IT4770172A priority patent/IT952011B/it
Priority to BE778034A priority patent/BE778034A/xx
Priority to DE19722201702 priority patent/DE2201702C3/de
Publication of FR2121452A1 publication Critical patent/FR2121452A1/fr
Application granted granted Critical
Publication of FR2121452B1 publication Critical patent/FR2121452B1/fr
Expired 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
    • G01F1/66—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measuring Volume Flow (AREA)
FR7101145A 1971-01-14 1971-01-14 Expired FR2121452B1 (xx)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7101145A FR2121452B1 (xx) 1971-01-14 1971-01-14
NL7200501A NL7200501A (xx) 1971-01-14 1972-01-13
IT4770172A IT952011B (it) 1971-01-14 1972-01-13 Perfezionamento ai sistemi di misu ra di portata mediante ultrasuoni
BE778034A BE778034A (fr) 1971-01-14 1972-01-14 Perfectionnements aux systemes de mesure de debit par ultrasons
DE19722201702 DE2201702C3 (de) 1971-01-14 1972-01-14 Anordnung zur Messung der Strömungsgeschwindigkeit eines Strömungsmittels in einer Rohrleitung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7101145A FR2121452B1 (xx) 1971-01-14 1971-01-14

Publications (2)

Publication Number Publication Date
FR2121452A1 FR2121452A1 (xx) 1972-08-25
FR2121452B1 true FR2121452B1 (xx) 1974-02-15

Family

ID=9070284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7101145A Expired FR2121452B1 (xx) 1971-01-14 1971-01-14

Country Status (5)

Country Link
BE (1) BE778034A (xx)
DE (1) DE2201702C3 (xx)
FR (1) FR2121452B1 (xx)
IT (1) IT952011B (xx)
NL (1) NL7200501A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9119742D0 (en) * 1991-09-16 1991-10-30 British Gas Plc Measurement system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329017A (en) * 1963-05-07 1967-07-04 Tokyo Keiki Seizosho Co Ltd Ultrasonic flow quantity measuring apparatus

Also Published As

Publication number Publication date
NL7200501A (xx) 1972-07-18
FR2121452A1 (xx) 1972-08-25
IT952011B (it) 1973-07-20
DE2201702A1 (de) 1972-07-20
BE778034A (fr) 1972-05-02
DE2201702B2 (de) 1980-11-13
DE2201702C3 (de) 1981-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse