GB1411208A - Apparatus for measuring liquid level - Google Patents

Apparatus for measuring liquid level

Info

Publication number
GB1411208A
GB1411208A GB797174A GB797174A GB1411208A GB 1411208 A GB1411208 A GB 1411208A GB 797174 A GB797174 A GB 797174A GB 797174 A GB797174 A GB 797174A GB 1411208 A GB1411208 A GB 1411208A
Authority
GB
United Kingdom
Prior art keywords
liquid level
measuring liquid
measuring
level
liquid
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
GB797174A
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.)
Saab AB
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 GB1411208A publication Critical patent/GB1411208A/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
    • G01F23/2962—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)
GB797174A 1973-02-12 1974-02-05 Apparatus for measuring liquid level Expired GB1411208A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1411208A true GB1411208A (en) 1975-10-22

Family

ID=20316601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB797174A Expired GB1411208A (en) 1973-02-12 1974-02-05 Apparatus for measuring liquid level

Country Status (7)

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

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
JPS5041578A (fr) 1975-04-16
DE2405991B2 (de) 1976-06-10
JPS5427149B2 (fr) 1979-09-07
NO136861B (no) 1977-08-08
DK138617C (fr) 1979-03-12
SE371691B (fr) 1974-11-25
DE2405991A1 (de) 1974-08-22
FR2217678B1 (fr) 1978-10-27
NO740455L (no) 1974-08-13
FR2217678A1 (fr) 1974-09-06
IT1008221B (it) 1976-11-10
DK138617B (da) 1978-10-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee