FI97829B - Measurement method and equipment for determining interfaces - Google Patents

Measurement method and equipment for determining interfaces

Info

Publication number
FI97829B
FI97829B FI952784A FI952784A FI97829B FI 97829 B FI97829 B FI 97829B FI 952784 A FI952784 A FI 952784A FI 952784 A FI952784 A FI 952784A FI 97829 B FI97829 B FI 97829B
Authority
FI
Finland
Prior art keywords
equipment
measurement method
determining interfaces
interfaces
determining
Prior art date
Application number
FI952784A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI952784A0 (en
FI97829C (en
Inventor
Matti Nissinen
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
Priority to FI952784A priority Critical patent/FI97829C/en
Publication of FI952784A0 publication Critical patent/FI952784A0/en
Priority to GB9611346A priority patent/GB2301890A/en
Priority to NO962274A priority patent/NO962274L/en
Priority to FR9607058A priority patent/FR2735228B1/en
Publication of FI97829B publication Critical patent/FI97829B/en
Application granted granted Critical
Publication of FI97829C publication Critical patent/FI97829C/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
    • 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)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FI952784A 1995-06-07 1995-06-07 Measurement method and equipment for determining interfaces FI97829C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI952784A FI97829C (en) 1995-06-07 1995-06-07 Measurement method and equipment for determining interfaces
GB9611346A GB2301890A (en) 1995-06-07 1996-05-31 Ultrasonic liquid interface detector
NO962274A NO962274L (en) 1995-06-07 1996-06-03 Method and apparatus for detecting boundary layers
FR9607058A FR2735228B1 (en) 1995-06-07 1996-06-07 MEASURING METHOD AND APPARATUS FOR DETECTING INTERFACES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI952784 1995-06-07
FI952784A FI97829C (en) 1995-06-07 1995-06-07 Measurement method and equipment for determining interfaces

Publications (3)

Publication Number Publication Date
FI952784A0 FI952784A0 (en) 1995-06-07
FI97829B true FI97829B (en) 1996-11-15
FI97829C FI97829C (en) 1997-02-25

Family

ID=8543554

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952784A FI97829C (en) 1995-06-07 1995-06-07 Measurement method and equipment for determining interfaces

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054203A1 (en) * 2005-11-14 2007-05-16 Siemens Ag Device for determining the position of at least one phase boundary by evaluation of sound signals
US20070255458A1 (en) * 2006-04-28 2007-11-01 Haslem Keith R System and method for managing stratified liquids in storage tanks
WO2007142933A2 (en) * 2006-05-31 2007-12-13 Giraffe Liquid Management Systems, Inc. Liquid level detectors and systems for use
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 (en) * 1975-02-26 1976-09-09 Interatom ULTRASONIC LEVEL SENSOR FOR LIQUIDS AND THEIR APPLICATION
NO150532C (en) * 1981-05-22 1984-10-31 Bjoern R Hope DEVICE FOR LEVELS.
FR2540247B1 (en) * 1983-01-31 1985-09-27 Elf France METHOD AND APPARATUS FOR DETECTING CHANGES IN COMPOSITION WITHIN A MEDIUM USING ULTRASOUND
DE4011923A1 (en) * 1990-04-12 1991-10-17 Blohm & Voss Int METHOD FOR DETECTING PHASE INTERFACES OR LAYERS OF DIFFERENT IMMiscible LIQUIDS, SEPARATELY SEPARATING LIQUIDS
FR2661001A1 (en) * 1991-04-11 1991-10-18 Blohm & Voss Int Method for detecting boundary surfaces of immiscible liquid phases
CN1045658C (en) * 1991-07-29 1999-10-13 基·雷/森索尔有限公司 Time gate ultrasonic sensor and method
DE9215290U1 (en) * 1991-11-13 1993-03-18 Hurth Getriebe Und Zahnraeder Gmbh, 8000 Muenchen, De

Also Published As

Publication number Publication date
FR2735228B1 (en) 1997-10-31
GB2301890A (en) 1996-12-18
FI952784A0 (en) 1995-06-07
GB9611346D0 (en) 1996-08-07
NO962274L (en) 1996-12-09
FR2735228A1 (en) 1996-12-13
FI97829C (en) 1997-02-25
NO962274D0 (en) 1996-06-03

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Legal Events

Date Code Title Description
BB Publication of examined application