FR1235054A - Indicateur de niveau par faisceau d'ondes ultrasonores - Google Patents

Indicateur de niveau par faisceau d'ondes ultrasonores

Info

Publication number
FR1235054A
FR1235054A FR804813A FR804813A FR1235054A FR 1235054 A FR1235054 A FR 1235054A FR 804813 A FR804813 A FR 804813A FR 804813 A FR804813 A FR 804813A FR 1235054 A FR1235054 A FR 1235054A
Authority
FR
France
Prior art keywords
ultrasonic wave
wave beam
level indicator
beam level
indicator
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
Application number
FR804813A
Other languages
English (en)
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.)
FR D AUTOMATION SOC
Original Assignee
FR D AUTOMATION SOC
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 FR D AUTOMATION SOC filed Critical FR D AUTOMATION SOC
Priority to FR804813A priority Critical patent/FR1235054A/fr
Application granted granted Critical
Publication of FR1235054A publication Critical patent/FR1235054A/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
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2961—Acoustic waves for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2965—Measuring attenuation of transmitted waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR804813A 1959-09-10 1959-09-10 Indicateur de niveau par faisceau d'ondes ultrasonores Expired FR1235054A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR804813A FR1235054A (fr) 1959-09-10 1959-09-10 Indicateur de niveau par faisceau d'ondes ultrasonores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR804813A FR1235054A (fr) 1959-09-10 1959-09-10 Indicateur de niveau par faisceau d'ondes ultrasonores

Publications (1)

Publication Number Publication Date
FR1235054A true FR1235054A (fr) 1960-07-01

Family

ID=8719034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804813A Expired FR1235054A (fr) 1959-09-10 1959-09-10 Indicateur de niveau par faisceau d'ondes ultrasonores

Country Status (1)

Country Link
FR (1) FR1235054A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982004122A1 (fr) * 1981-05-22 1982-11-25 Hope Bjorn Reinhardt Appareil permettant d'effectuer des mesures de niveau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982004122A1 (fr) * 1981-05-22 1982-11-25 Hope Bjorn Reinhardt Appareil permettant d'effectuer des mesures de niveau
US4535628A (en) * 1981-05-22 1985-08-20 Hope Bjoern R Apparatus for level measurements

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