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AU2001282285A1 - Level sensor - Google Patents

Level sensor

Info

Publication number
AU2001282285A1
AU2001282285A1 AU2001282285A AU8228501A AU2001282285A1 AU 2001282285 A1 AU2001282285 A1 AU 2001282285A1 AU 2001282285 A AU2001282285 A AU 2001282285A AU 8228501 A AU8228501 A AU 8228501A AU 2001282285 A1 AU2001282285 A1 AU 2001282285A1
Authority
AU
Australia
Prior art keywords
level sensor
sensor
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
AU2001282285A
Inventor
Christopher John Collister
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.)
TANDELTA Ltd
Original Assignee
TANDELTA Ltd
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 TANDELTA Ltd filed Critical TANDELTA Ltd
Publication of AU2001282285A1 publication Critical patent/AU2001282285A1/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
    • G01F23/268—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
    • 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

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)
AU2001282285A 2000-08-18 2001-08-17 Level sensor Abandoned AU2001282285A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0020506A GB0020506D0 (en) 2000-08-18 2000-08-18 Level sensor
GB0020506 2000-08-18
PCT/GB2001/003678 WO2002016888A1 (en) 2000-08-18 2001-08-17 Level sensor

Publications (1)

Publication Number Publication Date
AU2001282285A1 true AU2001282285A1 (en) 2002-03-04

Family

ID=9897961

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001282285A Abandoned AU2001282285A1 (en) 2000-08-18 2001-08-17 Level sensor

Country Status (3)

Country Link
AU (1) AU2001282285A1 (en)
GB (1) GB0020506D0 (en)
WO (1) WO2002016888A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494079B1 (en) 2001-03-07 2002-12-17 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
WO2002099414A1 (en) 2001-06-06 2002-12-12 Symyx Technologies, Inc. Flow detectors having mechanical oscillators, and use thereof in flow characterization systems
GB2386688A (en) * 2002-03-21 2003-09-24 Fozmula Ltd A solid state sensor for liquid level measurement
WO2004036207A2 (en) 2002-10-18 2004-04-29 Symyx Technologies, Inc. Environmental control system fluid sensing system and method comprising a sesnsor with a mechanical resonator
US7043969B2 (en) 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method
WO2004086027A2 (en) 2003-03-21 2004-10-07 Symyx Technologies, Inc. Mechanical resonator
US10203238B2 (en) 2014-03-07 2019-02-12 Barrelogix, Llc Liquid detection apparatus
EP3130896B1 (en) 2015-08-13 2017-12-27 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Liquid level sensor with insulating region over the probe foot
CN106225876B (en) * 2016-08-18 2023-05-09 四川泛华航空仪表电器有限公司 Capacitive temperature compensation oil level measuring sensor
EP3612491B1 (en) * 2017-05-03 2025-09-10 NYPRO Inc. Apparatus, system, and method of providing a liquid level monitor
WO2019078834A1 (en) * 2017-10-18 2019-04-25 Hewlett-Packard Development Company, L.P. Fluid property sensor
DE102018209904A1 (en) * 2018-06-19 2019-12-19 Vega Grieshaber Kg Level sensor or point level sensor with temperature compensation
DK202330396A1 (en) * 2023-12-13 2025-07-01 Typhon Tech Aps Capacitive sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1359799A (en) * 1973-02-16 1974-07-10 Polischuk K E Volokhov V N Enclosed liquid quantity sensor
DE2945965A1 (en) * 1979-11-14 1981-05-27 Vdo Adolf Schindling Ag, 6000 Frankfurt DEVICE FOR CAPACITIVE LEVEL MEASUREMENT
NL8304121A (en) * 1983-12-01 1985-07-01 Richard Mulder LEVEL METER OF THE CAPACITIVE TYPE.
US5097703A (en) * 1984-11-30 1992-03-24 Aisin Seiki Kabushiki Kaisha Capacitive probe for use in a system for remotely measuring the level of fluids
US5001596A (en) * 1990-05-07 1991-03-19 Therm-O-Disc, Incorporated Capacitive fluid level sensor
US5611240A (en) * 1992-04-03 1997-03-18 Toyota Tsusho Corporation Level detector
US5726908A (en) * 1995-03-20 1998-03-10 Figgie International Inc. Liquid quantity sensor and method
WO1999010714A1 (en) * 1997-08-25 1999-03-04 Millennium Sensors Ltd. A compensated capacitive liquid level sensor

Also Published As

Publication number Publication date
WO2002016888A1 (en) 2002-02-28
GB0020506D0 (en) 2000-10-11

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