FR2751074B1 - CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK - Google Patents

CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK

Info

Publication number
FR2751074B1
FR2751074B1 FR9608702A FR9608702A FR2751074B1 FR 2751074 B1 FR2751074 B1 FR 2751074B1 FR 9608702 A FR9608702 A FR 9608702A FR 9608702 A FR9608702 A FR 9608702A FR 2751074 B1 FR2751074 B1 FR 2751074B1
Authority
FR
France
Prior art keywords
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
FR9608702A
Other languages
French (fr)
Other versions
FR2751074A1 (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 FR9608702A priority Critical patent/FR2751074B1/en
Publication of FR2751074A1 publication Critical patent/FR2751074A1/en
Application granted granted Critical
Publication of FR2751074B1 publication Critical patent/FR2751074B1/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)
FR9608702A 1996-07-11 1996-07-11 CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK Expired - Fee Related FR2751074B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9608702A FR2751074B1 (en) 1996-07-11 1996-07-11 CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9608702A FR2751074B1 (en) 1996-07-11 1996-07-11 CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK

Publications (2)

Publication Number Publication Date
FR2751074A1 FR2751074A1 (en) 1998-01-16
FR2751074B1 true FR2751074B1 (en) 1998-11-06

Family

ID=9493963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9608702A Expired - Fee Related FR2751074B1 (en) 1996-07-11 1996-07-11 CAPACITIVE MEASUREMENT OF THE LEVEL OF A LIQUID IN A TANK

Country Status (1)

Country Link
FR (1) FR2751074B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119555B4 (en) * 2001-04-21 2005-03-03 Siemens Ag Level sensor for detecting a level in a container
FR2982362B1 (en) 2011-11-09 2014-10-03 Ijinus DEVICE WITH CAPACITIVE ANTENNA FOR MEASURING A LIQUID LEVEL

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444738A (en) * 1967-08-25 1969-05-20 Honeywell Inc Self-oscillating impedance measuring loop
US3534606A (en) * 1968-05-20 1970-10-20 Cons Airborne Systems Fuel gage
US3665300A (en) * 1971-03-05 1972-05-23 Gen Electric Liquid layer thickness device having a floating electrode
US3757210A (en) * 1972-03-09 1973-09-04 Betz Laboratories Us system apparatus and method for testing the amount of deposition in an aqueo
US4167697A (en) * 1978-02-10 1979-09-11 Sundstrand Data Control, Inc. Capacitive pick-off circuit
DE4203638A1 (en) * 1992-02-08 1993-08-12 Boehringer Mannheim Gmbh LIQUID TRANSFER DEVICE FOR AN ANALYZER

Also Published As

Publication number Publication date
FR2751074A1 (en) 1998-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse