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AU4717799A - Monitoring liquid level in a container with a capacitive transducer - Google Patents

Monitoring liquid level in a container with a capacitive transducer

Info

Publication number
AU4717799A
AU4717799A AU47177/99A AU4717799A AU4717799A AU 4717799 A AU4717799 A AU 4717799A AU 47177/99 A AU47177/99 A AU 47177/99A AU 4717799 A AU4717799 A AU 4717799A AU 4717799 A AU4717799 A AU 4717799A
Authority
AU
Australia
Prior art keywords
container
liquid level
capacitive transducer
monitoring liquid
monitoring
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.)
Abandoned
Application number
AU47177/99A
Inventor
Randy L. Borgstrom
Mark R. Eggett
John L. Shipley
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.)
ATK Launch Systems LLC
Original Assignee
Cordant Technologies Inc
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 Cordant Technologies Inc filed Critical Cordant Technologies Inc
Publication of AU4717799A publication Critical patent/AU4717799A/en
Abandoned 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU47177/99A 1998-06-24 1999-06-24 Monitoring liquid level in a container with a capacitive transducer Abandoned AU4717799A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9052598P 1998-06-24 1998-06-24
US60090525 1998-06-24
PCT/US1999/014359 WO1999067604A1 (en) 1998-06-24 1999-06-24 Monitoring liquid level in a container with a capacitive transducer

Publications (1)

Publication Number Publication Date
AU4717799A true AU4717799A (en) 2000-01-10

Family

ID=22223169

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47177/99A Abandoned AU4717799A (en) 1998-06-24 1999-06-24 Monitoring liquid level in a container with a capacitive transducer

Country Status (2)

Country Link
AU (1) AU4717799A (en)
WO (1) WO1999067604A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677084A1 (en) 2004-12-22 2006-07-05 Roxer Industries S.A. LIquid level sensor and method of estimation
EP3872458A1 (en) * 2020-02-26 2021-09-01 Salzburger Aluminium Aktiengesellschaft Fill level sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824144C2 (en) * 1978-06-02 1983-12-08 Vdo Adolf Schindling Ag, 6000 Frankfurt Device for capacitive level measurement of liquids or solids
JPS573012A (en) * 1980-06-09 1982-01-08 Tominaga Oil Pump Mfg Co Ltd Level gauge
JPS5852520A (en) * 1981-09-25 1983-03-28 Tatsuno:Kk Liquid quantity measuring device
US4888989A (en) * 1986-02-26 1989-12-26 General Signal Corporation Level sensor system
US5005409A (en) * 1989-01-13 1991-04-09 Teleflex Incorporated Capacitive liquid sensor
FR2647898A1 (en) * 1989-05-31 1990-12-07 Jaeger DEVICE FOR MEASURING THE LEVEL AND / OR VOLUME OF A CAPACITIVE PROBE LIQUID
DE19728280C2 (en) * 1996-11-21 2001-12-20 Alfred Haupt Capacitance probe and associated evaluation circuit

Also Published As

Publication number Publication date
WO1999067604A1 (en) 1999-12-29

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase