AU2730300A - Method and apparatus for detection of a fluid level in a container - Google Patents

Method and apparatus for detection of a fluid level in a container

Info

Publication number
AU2730300A
AU2730300A AU27303/00A AU2730300A AU2730300A AU 2730300 A AU2730300 A AU 2730300A AU 27303/00 A AU27303/00 A AU 27303/00A AU 2730300 A AU2730300 A AU 2730300A AU 2730300 A AU2730300 A AU 2730300A
Authority
AU
Australia
Prior art keywords
container
detection
fluid level
fluid
level
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
AU27303/00A
Inventor
R. Bruce Draper
Robert W. Griffiths
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.)
Rocky Mountain Research Inc
Original Assignee
Rocky Mountain Research 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 Rocky Mountain Research Inc filed Critical Rocky Mountain Research Inc
Publication of AU2730300A publication Critical patent/AU2730300A/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
    • G01F23/265—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 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
    • G01F23/26—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)
AU27303/00A 1999-01-19 2000-01-19 Method and apparatus for detection of a fluid level in a container Abandoned AU2730300A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11630299P 1999-01-19 1999-01-19
US60116302 1999-01-19
PCT/US2000/001212 WO2000042395A1 (en) 1999-01-19 2000-01-19 Method and apparatus for detection of a fluid level in a container

Publications (1)

Publication Number Publication Date
AU2730300A true AU2730300A (en) 2000-08-01

Family

ID=22366374

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27303/00A Abandoned AU2730300A (en) 1999-01-19 2000-01-19 Method and apparatus for detection of a fluid level in a container

Country Status (3)

Country Link
EP (1) EP1177417A4 (en)
AU (1) AU2730300A (en)
WO (1) WO2000042395A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20010269A1 (en) * 2001-11-20 2003-05-20 Askoll Holding Srl PERFECTED DEVICE FOR THE DETECTION OF LIQUID LEVEL, PARTICULARLY FOR SUBMERSIBLE PUMPS.
DE102010001605A1 (en) 2010-02-04 2011-08-04 Fresenius Medical Care Deutschland GmbH, 61352 Sensor system for filling level detection of a fluid in a vessel
CN102288257B (en) * 2011-07-28 2012-11-28 南昌大学 Device for detecting liquid level by using square signal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111353B1 (en) * 1982-12-13 1988-04-13 Shell Internationale Researchmaatschappij B.V. Blanket-medium/brine interface detection in a solution-mining process
US4601201A (en) * 1984-03-14 1986-07-22 Tokyo Tatsuno Co., Ltd. Liquid level and quantity measuring apparatus
US5142909A (en) * 1986-09-29 1992-09-01 Baughman James S Material level indicator
US5005407A (en) * 1988-10-11 1991-04-09 Level Electronics, Inc. Fluid level sensing system
US5051921A (en) * 1989-11-30 1991-09-24 David Sarnoff Research Center, Inc. Method and apparatus for detecting liquid composition and actual liquid level
US5135485A (en) * 1991-02-25 1992-08-04 Louis Cohen Capacitance-type fluid level sensor for i.v. and catheter bags
US5613399A (en) * 1993-10-27 1997-03-25 Kdi Precision Products, Inc. Method for liquid level detection

Also Published As

Publication number Publication date
EP1177417A1 (en) 2002-02-06
WO2000042395A1 (en) 2000-07-20
WO2000042395A9 (en) 2001-10-11
EP1177417A4 (en) 2003-07-23

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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