FR1431530A - Ultrasonic device for detecting changes in the level of a liquid - Google Patents

Ultrasonic device for detecting changes in the level of a liquid

Info

Publication number
FR1431530A
FR1431530A FR13903A FR13903A FR1431530A FR 1431530 A FR1431530 A FR 1431530A FR 13903 A FR13903 A FR 13903A FR 13903 A FR13903 A FR 13903A FR 1431530 A FR1431530 A FR 1431530A
Authority
FR
France
Prior art keywords
liquid
level
ultrasonic device
detecting changes
detecting
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
FR13903A
Other languages
French (fr)
Inventor
Wilfred Robin Leigh Kent
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 filed Critical
Priority to FR13903A priority Critical patent/FR1431530A/en
Application granted granted Critical
Publication of FR1431530A publication Critical patent/FR1431530A/en
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
    • G01F23/2965—Measuring attenuation of transmitted waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR13903A 1965-04-20 1965-04-20 Ultrasonic device for detecting changes in the level of a liquid Expired FR1431530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR13903A FR1431530A (en) 1965-04-20 1965-04-20 Ultrasonic device for detecting changes in the level of a liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR13903A FR1431530A (en) 1965-04-20 1965-04-20 Ultrasonic device for detecting changes in the level of a liquid

Publications (1)

Publication Number Publication Date
FR1431530A true FR1431530A (en) 1966-03-11

Family

ID=8576823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13903A Expired FR1431530A (en) 1965-04-20 1965-04-20 Ultrasonic device for detecting changes in the level of a liquid

Country Status (1)

Country Link
FR (1) FR1431530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010069924A2 (en) * 2008-12-17 2010-06-24 Axsensor Ab Acoustic liquid measurement
EP2041528A4 (en) * 2006-07-12 2017-05-17 Axsensor AB Liquid level measurement device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2041528A4 (en) * 2006-07-12 2017-05-17 Axsensor AB Liquid level measurement device
WO2010069924A2 (en) * 2008-12-17 2010-06-24 Axsensor Ab Acoustic liquid measurement
WO2010069924A3 (en) * 2008-12-17 2011-01-06 Axsensor Ab Acoustic liquid level measurement

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