DK138617B - Anordning til måling af væskeniveau. - Google Patents

Anordning til måling af væskeniveau.

Info

Publication number
DK138617B
DK138617B DK69674AA DK69674A DK138617B DK 138617 B DK138617 B DK 138617B DK 69674A A DK69674A A DK 69674AA DK 69674 A DK69674 A DK 69674A DK 138617 B DK138617 B DK 138617B
Authority
DK
Denmark
Prior art keywords
liquid level
measuring liquid
measuring
level
liquid
Prior art date
Application number
DK69674AA
Other languages
Danish (da)
English (en)
Other versions
DK138617C (sv
Inventor
Hans R Robertsson
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
Publication of DK138617B publication Critical patent/DK138617B/da
Application granted granted Critical
Publication of DK138617C publication Critical patent/DK138617C/da

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)
  • Ink Jet (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DK69674AA 1973-02-12 1974-02-11 Anordning til måling af væskeniveau. DK138617B (da)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK138617B true DK138617B (da) 1978-10-02
DK138617C DK138617C (sv) 1979-03-12

Family

ID=20316601

Family Applications (1)

Application Number Title Priority Date Filing Date
DK69674AA DK138617B (da) 1973-02-12 1974-02-11 Anordning til måling af væskeniveau.

Country Status (7)

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

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 (ja) * 2014-12-26 2018-01-31 日本精機株式会社 液面検出装置

Also Published As

Publication number Publication date
NO136861C (no) 1977-11-16
SE371691B (sv) 1974-11-25
DK138617C (sv) 1979-03-12
JPS5041578A (sv) 1975-04-16
JPS5427149B2 (sv) 1979-09-07
FR2217678B1 (sv) 1978-10-27
DE2405991B2 (de) 1976-06-10
DE2405991A1 (de) 1974-08-22
IT1008221B (it) 1976-11-10
NO740455L (no) 1974-08-13
FR2217678A1 (sv) 1974-09-06
GB1411208A (en) 1975-10-22
NO136861B (no) 1977-08-08

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