IT1292274B1 - Dispositivo sensore del livello di un liquido. - Google Patents

Dispositivo sensore del livello di un liquido.

Info

Publication number
IT1292274B1
IT1292274B1 IT97TO000348A ITTO970348A IT1292274B1 IT 1292274 B1 IT1292274 B1 IT 1292274B1 IT 97TO000348 A IT97TO000348 A IT 97TO000348A IT TO970348 A ITTO970348 A IT TO970348A IT 1292274 B1 IT1292274 B1 IT 1292274B1
Authority
IT
Italy
Prior art keywords
liquid level
sensor device
level sensor
liquid
sensor
Prior art date
Application number
IT97TO000348A
Other languages
English (en)
Inventor
Richard Hunter Brown
Original Assignee
Whitaker Corp
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 Whitaker Corp filed Critical Whitaker Corp
Publication of ITTO970348A0 publication Critical patent/ITTO970348A0/it
Publication of ITTO970348A1 publication Critical patent/ITTO970348A1/it
Application granted granted Critical
Publication of IT1292274B1 publication Critical patent/IT1292274B1/it

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
    • G01F23/22—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
    • 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

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)
  • Level Indicators Using A Float (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
IT97TO000348A 1996-04-30 1997-04-23 Dispositivo sensore del livello di un liquido. IT1292274B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9608857.0A GB9608857D0 (en) 1996-04-30 1996-04-30 Liquid level sensing device

Publications (3)

Publication Number Publication Date
ITTO970348A0 ITTO970348A0 (it) 1997-04-23
ITTO970348A1 ITTO970348A1 (it) 1998-10-23
IT1292274B1 true IT1292274B1 (it) 1999-01-29

Family

ID=10792835

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97TO000348A IT1292274B1 (it) 1996-04-30 1997-04-23 Dispositivo sensore del livello di un liquido.

Country Status (2)

Country Link
GB (2) GB9608857D0 (it)
IT (1) IT1292274B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0708271D0 (en) * 2007-04-28 2007-06-06 Pulsar Process Measurement Ltd Distance measurement apparatus and related methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9608752D0 (en) * 1996-04-26 1996-07-03 Amp Great Britain Liquid sensor

Also Published As

Publication number Publication date
GB2312749B (en) 2000-06-21
GB2312749A (en) 1997-11-05
GB9608857D0 (en) 1996-07-03
GB9708852D0 (en) 1997-06-25
ITTO970348A0 (it) 1997-04-23
ITTO970348A1 (it) 1998-10-23

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Legal Events

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