IT1008221B - IMPROVEMENT IN DEVICES FOR MEASURING THE LEVEL OF LIQUID IN TANKS - Google Patents

IMPROVEMENT IN DEVICES FOR MEASURING THE LEVEL OF LIQUID IN TANKS

Info

Publication number
IT1008221B
IT1008221B IT48265/74A IT4826574A IT1008221B IT 1008221 B IT1008221 B IT 1008221B IT 48265/74 A IT48265/74 A IT 48265/74A IT 4826574 A IT4826574 A IT 4826574A IT 1008221 B IT1008221 B IT 1008221B
Authority
IT
Italy
Prior art keywords
tanks
improvement
measuring
devices
liquid
Prior art date
Application number
IT48265/74A
Other languages
Italian (it)
Original Assignee
Saab Scania Ab
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 Saab Scania Ab filed Critical Saab Scania Ab
Application granted granted Critical
Publication of IT1008221B publication Critical patent/IT1008221B/en

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
    • G01F23/2962—Measuring transit time of reflected waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ink Jet (AREA)
IT48265/74A 1973-02-12 1974-02-11 IMPROVEMENT IN DEVICES FOR MEASURING THE LEVEL OF LIQUID IN TANKS IT1008221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7301902A SE371691B (en) 1973-02-12 1973-02-12

Publications (1)

Publication Number Publication Date
IT1008221B true IT1008221B (en) 1976-11-10

Family

ID=20316601

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48265/74A IT1008221B (en) 1973-02-12 1974-02-11 IMPROVEMENT IN DEVICES FOR MEASURING THE LEVEL OF LIQUID IN TANKS

Country Status (7)

Country Link
JP (1) JPS5427149B2 (en)
DK (1) DK138617B (en)
FR (1) FR2217678B1 (en)
GB (1) GB1411208A (en)
IT (1) IT1008221B (en)
NO (1) NO136861C (en)
SE (1) SE371691B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555799A (en) * 1976-10-25 1979-11-14 Secretary Industry Brit Arc welding
GB1595194A (en) * 1977-09-13 1981-08-12 Marconi Co Ltd Liquid level sensing device
JP6270055B2 (en) * 2014-12-26 2018-01-31 日本精機株式会社 Liquid level detector

Also Published As

Publication number Publication date
NO136861C (en) 1977-11-16
DE2405991A1 (en) 1974-08-22
DK138617C (en) 1979-03-12
GB1411208A (en) 1975-10-22
DE2405991B2 (en) 1976-06-10
NO136861B (en) 1977-08-08
FR2217678A1 (en) 1974-09-06
JPS5041578A (en) 1975-04-16
JPS5427149B2 (en) 1979-09-07
DK138617B (en) 1978-10-02
FR2217678B1 (en) 1978-10-27
NO740455L (en) 1974-08-13
SE371691B (en) 1974-11-25

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