FR2735228B1 - Procede et appareil de mesure permettant de detecter des interfaces - Google Patents

Procede et appareil de mesure permettant de detecter des interfaces

Info

Publication number
FR2735228B1
FR2735228B1 FR9607058A FR9607058A FR2735228B1 FR 2735228 B1 FR2735228 B1 FR 2735228B1 FR 9607058 A FR9607058 A FR 9607058A FR 9607058 A FR9607058 A FR 9607058A FR 2735228 B1 FR2735228 B1 FR 2735228B1
Authority
FR
France
Prior art keywords
measuring method
detecting interfaces
interfaces
detecting
measuring
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 - Fee Related
Application number
FR9607058A
Other languages
English (en)
Other versions
FR2735228A1 (fr
Inventor
Matti Nissinen
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.)
Acutest Oy
Original Assignee
Acutest Oy
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 Acutest Oy filed Critical Acutest Oy
Publication of FR2735228A1 publication Critical patent/FR2735228A1/fr
Application granted granted Critical
Publication of FR2735228B1 publication Critical patent/FR2735228B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • 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
    • 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
    • G01F23/0023—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 with a probe suspended by a wire or thread

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR9607058A 1995-06-07 1996-06-07 Procede et appareil de mesure permettant de detecter des interfaces Expired - Fee Related FR2735228B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI952784A FI97829C (fi) 1995-06-07 1995-06-07 Mittausmenetelmä ja -laitteisto rajapintojen määrittämiseksi

Publications (2)

Publication Number Publication Date
FR2735228A1 FR2735228A1 (fr) 1996-12-13
FR2735228B1 true FR2735228B1 (fr) 1997-10-31

Family

ID=8543554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9607058A Expired - Fee Related FR2735228B1 (fr) 1995-06-07 1996-06-07 Procede et appareil de mesure permettant de detecter des interfaces

Country Status (4)

Country Link
FI (1) FI97829C (fr)
FR (1) FR2735228B1 (fr)
GB (1) GB2301890A (fr)
NO (1) NO962274L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054203A1 (de) * 2005-11-14 2007-05-16 Siemens Ag Vorrichtung zum Ermitteln der Lage mindestens einer Phasengrenze durch Auswertung von Schallsignalen
US20070255458A1 (en) * 2006-04-28 2007-11-01 Haslem Keith R System and method for managing stratified liquids in storage tanks
WO2007142933A2 (fr) * 2006-05-31 2007-12-13 Giraffe Liquid Management Systems, Inc. Détecteurs de niveau de liquide et systèmes pour les utiliser
GB2472083A (en) * 2009-07-24 2011-01-26 Wayne Rudd Apparatus and methods for determining the location of an interface in a medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1361052A (en) * 1971-07-09 1974-07-24 Radun Controls Ltd Transducer devices
DE2508297A1 (de) * 1975-02-26 1976-09-09 Interatom Ultraschall-fuellstandfuehler fuer fluessigkeiten und dessen anwendung
NO150532C (no) * 1981-05-22 1984-10-31 Bjoern R Hope Anordning ved nivaamaaler.
FR2540247B1 (fr) * 1983-01-31 1985-09-27 Elf France Procede et appareil pour la detection de changements de composition au sein d'un milieu, a l'aide de l'ultra-son
DE4011923A1 (de) * 1990-04-12 1991-10-17 Blohm & Voss Int Verfahren zur detektion von phasengrenzflaechen oder schichtungen von unterschiedlichen nicht mischbaren und sich durch schwerkraftseparation trennenden fluessigkeiten
FR2661001A1 (fr) * 1991-04-11 1991-10-18 Blohm & Voss Int Procede de detection de surfaces limites de phases de liquides non miscibles.
CN1045658C (zh) * 1991-07-29 1999-10-13 基·雷/森索尔有限公司 带有自动自测功能的探测方法及其超声探测器
DE9215290U1 (fr) * 1991-11-13 1993-03-18 Hurth Getriebe Und Zahnraeder Gmbh, 8000 Muenchen, De

Also Published As

Publication number Publication date
FR2735228A1 (fr) 1996-12-13
FI97829B (fi) 1996-11-15
GB9611346D0 (en) 1996-08-07
FI97829C (fi) 1997-02-25
FI952784A0 (fi) 1995-06-07
NO962274D0 (no) 1996-06-03
NO962274L (no) 1996-12-09
GB2301890A (en) 1996-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse