FR2647900B1 - Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive - Google Patents

Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive

Info

Publication number
FR2647900B1
FR2647900B1 FR8907166A FR8907166A FR2647900B1 FR 2647900 B1 FR2647900 B1 FR 2647900B1 FR 8907166 A FR8907166 A FR 8907166A FR 8907166 A FR8907166 A FR 8907166A FR 2647900 B1 FR2647900 B1 FR 2647900B1
Authority
FR
France
Prior art keywords
level
measurement systems
volume measurement
capacitive probe
probe liquid
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 - Lifetime
Application number
FR8907166A
Other languages
English (en)
Other versions
FR2647900A1 (fr
Inventor
Serge Marcel Regnault
Francis Dunon-Bluteau
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.)
Jaeger SA
Original Assignee
Jaeger SA
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 Jaeger SA filed Critical Jaeger SA
Priority to FR8907166A priority Critical patent/FR2647900B1/fr
Publication of FR2647900A1 publication Critical patent/FR2647900A1/fr
Application granted granted Critical
Publication of FR2647900B1 publication Critical patent/FR2647900B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR8907166A 1989-05-31 1989-05-31 Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive Expired - Lifetime FR2647900B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8907166A FR2647900B1 (fr) 1989-05-31 1989-05-31 Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8907166A FR2647900B1 (fr) 1989-05-31 1989-05-31 Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive

Publications (2)

Publication Number Publication Date
FR2647900A1 FR2647900A1 (fr) 1990-12-07
FR2647900B1 true FR2647900B1 (fr) 1991-09-20

Family

ID=9382211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8907166A Expired - Lifetime FR2647900B1 (fr) 1989-05-31 1989-05-31 Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive

Country Status (1)

Country Link
FR (1) FR2647900B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69835795T2 (de) 1997-11-19 2007-09-13 Grifols, S.A. Vorrichtung zur automatischen Durchführung von Laboratoriumprüfungen
ES2132034B1 (es) * 1997-11-19 2000-03-01 Grifols Grupo Sa Dispositivo para la manipulacion y deteccion de nivel de liquidos.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1083566B (it) * 1977-07-04 1985-05-21 Borletti Spa Indicatore livell o olio motore in autoveicoli di tipo capacitivo
US4383444A (en) * 1980-04-21 1983-05-17 Robertshaw Controls Company Microprocessor based capacitance level detection system
DE3029352C2 (de) * 1980-08-01 1982-12-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitive Füllstandsmeßanordnung mit einer stabförmigen Sonde für die Messung des Füllstandes in einem Behälter
US4676100A (en) * 1984-10-31 1987-06-30 Berwind Corporation Capacitance-type material level indicator

Also Published As

Publication number Publication date
FR2647900A1 (fr) 1990-12-07

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Legal Events

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ST Notification of lapse