AU6164800A - Level sensor-switch - Google Patents

Level sensor-switch

Info

Publication number
AU6164800A
AU6164800A AU61648/00A AU6164800A AU6164800A AU 6164800 A AU6164800 A AU 6164800A AU 61648/00 A AU61648/00 A AU 61648/00A AU 6164800 A AU6164800 A AU 6164800A AU 6164800 A AU6164800 A AU 6164800A
Authority
AU
Australia
Prior art keywords
switch
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
AU61648/00A
Inventor
Francois Baillieu
Frederic Levacher
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.)
ROXER
Original Assignee
ROXER
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 ROXER filed Critical ROXER
Publication of AU6164800A publication Critical patent/AU6164800A/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

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)
AU61648/00A 1999-07-02 2000-06-30 Level sensor-switch Abandoned AU6164800A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9908547A FR2795816B1 (en) 1999-07-02 1999-07-02 LEVEL SENSOR
FR9908547 1999-07-02
PCT/FR2000/001867 WO2001002817A1 (en) 1999-07-02 2000-06-30 Level sensor-switch

Publications (1)

Publication Number Publication Date
AU6164800A true AU6164800A (en) 2001-01-22

Family

ID=9547637

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61648/00A Abandoned AU6164800A (en) 1999-07-02 2000-06-30 Level sensor-switch

Country Status (3)

Country Link
AU (1) AU6164800A (en)
FR (1) FR2795816B1 (en)
WO (1) WO2001002817A1 (en)

Families Citing this family (7)

* 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
JP2009513963A (en) * 2005-10-26 2009-04-02 イナジー・オートモーティブ・システムズ・リサーチ・（ソシエテ・アノニム） Capacitance type gauge
FR2892509B1 (en) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res CAPACITIVE GAUGE FOR FUEL TANK
FR2892508B1 (en) * 2005-10-26 2007-12-28 Inergy Automotive Systems Res CAPACITIVE GAUGE
US8181516B2 (en) 2006-10-26 2012-05-22 Inergy Automotive Systems Research (Societe Anonyme) Measuring a liquid level in a tank with two measurement capacitors and two reference capacitors
US10203238B2 (en) 2014-03-07 2019-02-12 Barrelogix, Llc Liquid detection apparatus
CN108645481B (en) * 2018-06-22 2021-03-16 华帝股份有限公司 Non-contact capacitance liquid level detection method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058364B (en) * 1979-09-01 1983-03-23 Ferranti Ltd Capacitance measuring apparatus
US4947689A (en) * 1989-01-13 1990-08-14 Hochstein Peter A Capacitive liquid sensor
US5461321A (en) * 1993-09-17 1995-10-24 Penberthy, Inc. Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle
WO1999010714A1 (en) * 1997-08-25 1999-03-04 Millennium Sensors Ltd. A compensated capacitive liquid level sensor

Also Published As

Publication number Publication date
FR2795816A1 (en) 2001-01-05
FR2795816B1 (en) 2001-09-28
WO2001002817A1 (en) 2001-01-11

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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