FR2284866A1 - Dispositif a ultrasons destine a la mesure du debit d'air dans une canalisation - Google Patents

Dispositif a ultrasons destine a la mesure du debit d'air dans une canalisation

Info

Publication number
FR2284866A1
FR2284866A1 FR7516857A FR7516857A FR2284866A1 FR 2284866 A1 FR2284866 A1 FR 2284866A1 FR 7516857 A FR7516857 A FR 7516857A FR 7516857 A FR7516857 A FR 7516857A FR 2284866 A1 FR2284866 A1 FR 2284866A1
Authority
FR
France
Prior art keywords
pipeline
measuring
air flow
ultrasonic device
device intended
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.)
Granted
Application number
FR7516857A
Other languages
English (en)
French (fr)
Other versions
FR2284866B1 (OSRAM
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.)
Fiat SpA
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
Publication of FR2284866A1 publication Critical patent/FR2284866A1/fr
Application granted granted Critical
Publication of FR2284866B1 publication Critical patent/FR2284866B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
FR7516857A 1974-05-30 1975-05-29 Dispositif a ultrasons destine a la mesure du debit d'air dans une canalisation Granted FR2284866A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6868874A IT1014250B (it) 1974-05-30 1974-05-30 Dispositivo ad ultrasuoni per la misura della portata d aria in un condotto

Publications (2)

Publication Number Publication Date
FR2284866A1 true FR2284866A1 (fr) 1976-04-09
FR2284866B1 FR2284866B1 (OSRAM) 1980-11-28

Family

ID=11310290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516857A Granted FR2284866A1 (fr) 1974-05-30 1975-05-29 Dispositif a ultrasons destine a la mesure du debit d'air dans une canalisation

Country Status (4)

Country Link
DE (1) DE2524067A1 (OSRAM)
FR (1) FR2284866A1 (OSRAM)
GB (1) GB1509277A (OSRAM)
IT (1) IT1014250B (OSRAM)

Also Published As

Publication number Publication date
DE2524067A1 (de) 1975-12-11
FR2284866B1 (OSRAM) 1980-11-28
GB1509277A (en) 1978-05-04
IT1014250B (it) 1977-04-20

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse