FR2466755B3 - - Google Patents

Info

Publication number
FR2466755B3
FR2466755B3 FR8021024A FR8021024A FR2466755B3 FR 2466755 B3 FR2466755 B3 FR 2466755B3 FR 8021024 A FR8021024 A FR 8021024A FR 8021024 A FR8021024 A FR 8021024A FR 2466755 B3 FR2466755 B3 FR 2466755B3
Authority
FR
France
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
FR8021024A
Other versions
FR2466755A3 (fr
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Publication of FR2466755A3 publication Critical patent/FR2466755A3/fr
Application granted granted Critical
Publication of FR2466755B3 publication Critical patent/FR2466755B3/fr
Granted 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
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FR8021024A 1979-10-01 1980-10-01 Dispositif de mesure d'un niveau liquide Granted FR2466755A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7907299A NL185176B (nl) 1979-10-01 1979-10-01 Inrichting voor het meten van een vloeistofniveau.

Publications (2)

Publication Number Publication Date
FR2466755A3 FR2466755A3 (fr) 1981-04-10
FR2466755B3 true FR2466755B3 (fr) 1981-10-16

Family

ID=19833952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8021024A Granted FR2466755A3 (fr) 1979-10-01 1980-10-01 Dispositif de mesure d'un niveau liquide

Country Status (3)

Country Link
DE (1) DE8025999U1 (fr)
FR (1) FR2466755A3 (fr)
NL (2) NL185176B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL64003A0 (en) * 1981-10-06 1982-01-31 Elmar Medical Systems Ltd Sensor system for use in fluid monitoring and control
CN110231072A (zh) * 2019-07-16 2019-09-13 潍柴动力股份有限公司 一种尿素箱液位高度检测装置

Also Published As

Publication number Publication date
FR2466755A3 (fr) 1981-04-10
NL185176C (nl)
NL185176B (nl) 1989-09-01
DE8025999U1 (de) 1981-03-19
NL7907299A (nl) 1981-04-03

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