FR2751073B1 - PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK - Google Patents

PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK

Info

Publication number
FR2751073B1
FR2751073B1 FR9608701A FR9608701A FR2751073B1 FR 2751073 B1 FR2751073 B1 FR 2751073B1 FR 9608701 A FR9608701 A FR 9608701A FR 9608701 A FR9608701 A FR 9608701A FR 2751073 B1 FR2751073 B1 FR 2751073B1
Authority
FR
France
Prior art keywords
probe
tank
liquid level
capacitive measurement
capacitive
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.)
Expired - Fee Related
Application number
FR9608701A
Other languages
French (fr)
Other versions
FR2751073A1 (en
Inventor
Frederic Georges Poulin
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.)
COMM COMPOSANTS SOC IND
Original Assignee
COMM COMPOSANTS SOC IND
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 COMM COMPOSANTS SOC IND filed Critical COMM COMPOSANTS SOC IND
Priority to FR9608701A priority Critical patent/FR2751073B1/en
Priority to PCT/FR1997/001198 priority patent/WO1998002718A1/en
Priority to AU35467/97A priority patent/AU3546797A/en
Publication of FR2751073A1 publication Critical patent/FR2751073A1/en
Application granted granted Critical
Publication of FR2751073B1 publication Critical patent/FR2751073B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
FR9608701A 1996-07-11 1996-07-11 PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK Expired - Fee Related FR2751073B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9608701A FR2751073B1 (en) 1996-07-11 1996-07-11 PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK
PCT/FR1997/001198 WO1998002718A1 (en) 1996-07-11 1997-07-03 Probe and capacitance device for measuring the level of a liquid in a tank
AU35467/97A AU3546797A (en) 1996-07-11 1997-07-03 Probe and capacitance device for measuring the level of a liquid in a tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9608701A FR2751073B1 (en) 1996-07-11 1996-07-11 PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK

Publications (2)

Publication Number Publication Date
FR2751073A1 FR2751073A1 (en) 1998-01-16
FR2751073B1 true FR2751073B1 (en) 1998-12-18

Family

ID=9493962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9608701A Expired - Fee Related FR2751073B1 (en) 1996-07-11 1996-07-11 PROBE AND CAPACITIVE MEASUREMENT OF THE LIQUID LEVEL IN A TANK

Country Status (3)

Country Link
AU (1) AU3546797A (en)
FR (1) FR2751073B1 (en)
WO (1) WO1998002718A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3027669B1 (en) * 2014-10-22 2018-05-25 Dover Europe Sarl DEVICE FOR MEASURING LEVEL IN A RESERVOIR
FR3043198B1 (en) 2015-11-04 2017-12-22 Dover Europe Sarl DEVICE FOR MEASURING LEVEL IN A RESERVOIR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978463A (en) * 1975-08-04 1976-08-31 General Motors Corporation Oscillator energized liquid level indicator
FR2543293A1 (en) * 1982-04-30 1984-09-28 Effa Etudes Sarl Apparatus for measuring the level of filling of a receptacle
GB2142145A (en) * 1983-04-27 1985-01-09 Electronic Components Ltd Liquid level sensing apparatus
FR2605731A1 (en) * 1986-10-27 1988-04-29 Renault Method for measuring the level of liquid in a tank, and device for implementation thereof
EP0288215B1 (en) * 1987-04-24 1993-03-10 Simmonds Precision Products Inc. Determination of electrical capacitance and resistance
US5051921A (en) * 1989-11-30 1991-09-24 David Sarnoff Research Center, Inc. Method and apparatus for detecting liquid composition and actual liquid level

Also Published As

Publication number Publication date
FR2751073A1 (en) 1998-01-16
WO1998002718A1 (en) 1998-01-22
AU3546797A (en) 1998-02-09

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Legal Events

Date Code Title Description
ST Notification of lapse