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FI925231A - Foerfarande och anordning Foer att avgoera ifall ett kaerl innehaoller vaetska - Google Patents

Foerfarande och anordning Foer att avgoera ifall ett kaerl innehaoller vaetska Download PDF

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Publication number
FI925231A
FI925231A FI925231A FI925231A FI925231A FI 925231 A FI925231 A FI 925231A FI 925231 A FI925231 A FI 925231A FI 925231 A FI925231 A FI 925231A FI 925231 A FI925231 A FI 925231A
Authority
FI
Finland
Prior art keywords
avgoera
kaerl
ifall
vaetska
innehaoller
Prior art date
Application number
FI925231A
Other languages
Finnish (fi)
Other versions
FI925231A0 (en
Inventor
Dieter Lather
Dieter Lingenberg
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI925231A0 publication Critical patent/FI925231A0/en
Publication of FI925231A publication Critical patent/FI925231A/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
    • G01F23/282—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 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
    • G01F23/22—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
    • 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
    • G01F23/22—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
    • G01F23/2965—Measuring attenuation of transmitted waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI925231A 1991-11-28 1992-11-18 Foerfarande och anordning Foer att avgoera ifall ett kaerl innehaoller vaetska FI925231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4139146A DE4139146A1 (en) 1991-11-28 1991-11-28 METHOD AND DEVICE FOR DETERMINING WHETHER IN A CONTAINED LIQUID

Publications (2)

Publication Number Publication Date
FI925231A0 FI925231A0 (en) 1992-11-18
FI925231A true FI925231A (en) 1993-05-29

Family

ID=6445786

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925231A FI925231A (en) 1991-11-28 1992-11-18 Foerfarande och anordning Foer att avgoera ifall ett kaerl innehaoller vaetska

Country Status (6)

Country Link
EP (1) EP0544173B1 (en)
CZ (1) CZ349892A3 (en)
DE (2) DE4139146A1 (en)
ES (1) ES2067996T3 (en)
FI (1) FI925231A (en)
SK (1) SK349892A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938836A1 (en) * 1999-08-17 2000-11-16 Siemens Ag Process for determining whether liquid is present in a portion of the primary circuit of nuclear reactor works
EP1628119A3 (en) 2004-08-16 2012-07-25 VEGA Grieshaber KG Radar level measurement device with automatic echo signal determination
DE102019216039B3 (en) * 2019-10-17 2021-02-04 Vitesco Technologies Germany Gmbh Arrangement and method for determining a minimum fill level of a fluid in a fluid container

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU576537A1 (en) * 1974-08-30 1977-10-15 Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов Meter of ultrasonic attenuation coeeficient in material
SU798493A1 (en) * 1976-05-10 1981-01-23 Всесоюзный Научно-Исследовательскийи Конструкторский Институт "Цветмет-Автоматика" Liquid level monitoring method
US4144517A (en) * 1977-08-05 1979-03-13 Joseph Baumoel Single transducer liquid level detector
SU877342A1 (en) * 1980-02-06 1981-10-30 Brazhnikov Nikolaj Device for ultrasonic checking of liquid media level in closed reservoirs
DE3010739C2 (en) * 1980-03-20 1987-04-23 geb. Kraus Elisabeth 8413 Regenstauf Greisinger Liquid level sensor
SU987398A1 (en) * 1981-04-06 1983-01-07 Куйбышевское специальное конструкторское бюро Научно-производственного объединения "Нефтехимавтоматика" Ultrasonic level indicator
SU1030660A1 (en) * 1982-01-28 1983-07-23 Каунасский Политехнический Институт Им.Антанаса Снечкуса Ultrasonic method of measuring level in reservoir having flat parallel walls
US4679430A (en) * 1983-03-30 1987-07-14 United Kingdom Atomic Energy Authority Ultrasonic liquid interface detector
SU1370543A1 (en) * 1986-02-21 1988-01-30 Криворожский горнорудный институт Method and apparatus for ultrasonic check of parameters of pulp flow in pulp feed-line
SU1471078A1 (en) * 1986-04-18 1989-04-07 Институт горного дела им.А.А.Скочинского Conductor fluid level transducer
FR2617594A1 (en) * 1987-06-30 1989-01-06 Esswein Sa Liquid product tank fitted with a level monitoring system
DE3732219A1 (en) * 1987-09-24 1989-04-13 Siemens Ag APPLICATION OF ELECTROMAGNETIC ULTRASOUND TRANSFORMATION METHODS FOR MONITORING FUEL HEAT AND BUBBLE CONDITIONING IN LIQUID CONTAINING PIPES
SU1631401A1 (en) * 1988-07-04 1991-02-28 Харьковский авиационный институт им.Н.Е.Жуковского Method of monitoring liquid flow continuity in pipeline

Also Published As

Publication number Publication date
CZ349892A3 (en) 1993-06-16
SK349892A3 (en) 1995-07-11
DE59201292D1 (en) 1995-03-09
EP0544173B1 (en) 1995-01-25
ES2067996T3 (en) 1995-04-01
EP0544173A1 (en) 1993-06-02
FI925231A0 (en) 1992-11-18
DE4139146A1 (en) 1993-06-03

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