FR2487975B1 - Sonde en barreau pour mesure capacitive de l'etat de remplissage d'un reservoir et dispositif de mesure s'y rapportant - Google Patents

Sonde en barreau pour mesure capacitive de l'etat de remplissage d'un reservoir et dispositif de mesure s'y rapportant

Info

Publication number
FR2487975B1
FR2487975B1 FR8113617A FR8113617A FR2487975B1 FR 2487975 B1 FR2487975 B1 FR 2487975B1 FR 8113617 A FR8113617 A FR 8113617A FR 8113617 A FR8113617 A FR 8113617A FR 2487975 B1 FR2487975 B1 FR 2487975B1
Authority
FR
France
Prior art keywords
tank
measuring device
filling state
device relating
capacitive measurement
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
Application number
FR8113617A
Other languages
English (en)
Other versions
FR2487975A1 (fr
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
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 Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Publication of FR2487975A1 publication Critical patent/FR2487975A1/fr
Application granted granted Critical
Publication of FR2487975B1 publication Critical patent/FR2487975B1/fr
Expired 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

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)
FR8113617A 1980-08-01 1981-07-10 Sonde en barreau pour mesure capacitive de l'etat de remplissage d'un reservoir et dispositif de mesure s'y rapportant Expired FR2487975B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3029352A DE3029352C2 (de) 1980-08-01 1980-08-01 Kapazitive Füllstandsmeßanordnung mit einer stabförmigen Sonde für die Messung des Füllstandes in einem Behälter

Publications (2)

Publication Number Publication Date
FR2487975A1 FR2487975A1 (fr) 1982-02-05
FR2487975B1 true FR2487975B1 (fr) 1985-07-05

Family

ID=6108748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8113617A Expired FR2487975B1 (fr) 1980-08-01 1981-07-10 Sonde en barreau pour mesure capacitive de l'etat de remplissage d'un reservoir et dispositif de mesure s'y rapportant

Country Status (9)

Country Link
US (1) US4449405A (fr)
JP (1) JPS5753625A (fr)
CH (1) CH653130A5 (fr)
DE (1) DE3029352C2 (fr)
FR (1) FR2487975B1 (fr)
GB (1) GB2081450B (fr)
IT (1) IT1137775B (fr)
NL (1) NL8103320A (fr)
SE (1) SE452659B (fr)

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AU571446B2 (en) * 1982-08-25 1988-04-21 Venture Measurement Company Llc Self calibrating capacitance level sensor
DE3322657A1 (de) * 1983-06-23 1985-01-10 VEGA Grieshaber GmbH & Co, 7620 Wolfach Vorrichtung zur ueberwachung einer laenglichen, fuer die kapazitive fuellstandsmessung in einem behaelter vorgesehenen sonde auf abriss
GB8429727D0 (en) * 1984-11-24 1985-01-03 Bass Plc Monitoring level of liquid
US4819483A (en) * 1987-03-26 1989-04-11 Custom Controls Co., Inc. Level indicator control system for use with capacitance probes in tanks containing substances
US4809129A (en) * 1987-11-06 1989-02-28 Hansen Technologies Corporation Liquid level control system for refrigeration apparatus
DE3806899A1 (de) * 1988-03-03 1989-09-14 Schering Ag Ueberwachungssystem fuer das befuellen von behaeltern
DE3843339A1 (de) * 1988-12-22 1990-06-28 Vega Grieshaber Gmbh & Co Anordnung zur kapazitiven fuellstandsmessung
FR2647900B1 (fr) * 1989-05-31 1991-09-20 Jaeger Perfectionnements aux systemes de mesure de niveau et/ou volume d'un liquide a sonde capacitive
US5042299A (en) * 1990-07-23 1991-08-27 Iimorrow, Inc. Capacitive fluid level sensor
US5121632A (en) * 1991-01-03 1992-06-16 Magnetrol International, Incorporated Point level switch
US5187979A (en) * 1991-04-26 1993-02-23 Edmark Iii Karl W Multi-sensor probe assembly and method for fuel storage system including overflow protection means
US5627522A (en) * 1992-03-27 1997-05-06 Abbott Laboratories Automated liquid level sensing system
US5646049A (en) * 1992-03-27 1997-07-08 Abbott Laboratories Scheduling operation of an automated analytical system
US5540890A (en) * 1992-03-27 1996-07-30 Abbott Laboratories Capped-closure for a container
US5610069A (en) * 1992-03-27 1997-03-11 Abbott Laboratories Apparatus and method for washing clinical apparatus
US5376313A (en) * 1992-03-27 1994-12-27 Abbott Laboratories Injection molding a plastic assay cuvette having low birefringence
US5605665A (en) * 1992-03-27 1997-02-25 Abbott Laboratories Reaction vessel
US6190617B1 (en) 1992-03-27 2001-02-20 Abbott Laboratories Sample container segment assembly
US5960160A (en) * 1992-03-27 1999-09-28 Abbott Laboratories Liquid heater assembly with a pair temperature controlled electric heating elements and a coiled tube therebetween
US5536471A (en) * 1992-03-27 1996-07-16 Abbott Laboratories Syringe with bubble flushing
US5507410A (en) * 1992-03-27 1996-04-16 Abbott Laboratories Meia cartridge feeder
US5635364A (en) * 1992-03-27 1997-06-03 Abbott Laboratories Assay verification control for an automated analytical system
US5578494A (en) * 1992-03-27 1996-11-26 Abbott Laboratories Cap actuator for opening and closing a container
US5575978A (en) * 1992-03-27 1996-11-19 Abbott Laboratories Sample container segment assembly
US5446444A (en) * 1993-12-17 1995-08-29 Robertshaw Controls Company Capacitive threshold detector test circuit
US5602333A (en) * 1994-06-17 1997-02-11 Smiths Industries Apparatus for measuring the level of a liquid in a tank
US5546005A (en) * 1995-01-09 1996-08-13 Flowline Inc. Guarded capacitance probe and related measurement circuit
US5827985A (en) * 1995-12-19 1998-10-27 Endress + Hauser Gmbh + Co. Sensor apparatus for process measurement
US6118282A (en) * 1995-12-19 2000-09-12 Endress & Hauser Gmbh & Co. Sensor apparatus
US5955684A (en) * 1997-01-06 1999-09-21 Rosemount Inc. Modular probe
US6148681A (en) * 1997-01-06 2000-11-21 Rosemount Inc. Level probe with modular connection
US5927350A (en) * 1997-03-06 1999-07-27 Customized Transportation Inc. System for preventing spillage from containers during filling thereof
DE19728443C1 (de) * 1997-07-03 1999-02-25 Tuchenhagen Gmbh Überwachungselektrode für die Füllstandsanzeige in Behältern zur Bevorratung elektrisch leitender Flüssigkeiten
US6386055B1 (en) 1998-01-06 2002-05-14 Endress +Hauser Gmbh +Co. Sensor apparatus for transmitting electrical pulses from a signal line into and out of a vessel to measure a process variable—in order to be more informative
DE19809890C1 (de) * 1998-03-07 1999-11-11 Sikora Industrieelektronik Vorrichtung zur Messung der Kapazität von elektrischen Adern
US6559657B1 (en) 1999-01-13 2003-05-06 Endress+Hauser Gmbh+Co. Probe mapping diagnostic methods
FR2795817B1 (fr) * 1999-07-02 2001-08-10 Inst Francais Du Petrole Sonde capacitive de mesure du niveau d'un liquide conducteur de l'electricite dans un recipient et procede de fabrication d'une telle sonde
WO2004008085A1 (fr) 2002-07-17 2004-01-22 Epichem Limited Procede et appareil pour surveiller des niveaux de liquide a l'interieur d'un recipient
GB0216502D0 (en) * 2002-07-17 2002-08-28 Epichem Ltd A method and apparatus for monitoring liquid levels within a vessel
US6925398B2 (en) * 2003-07-07 2005-08-02 Colorado Vnet, Llc Water measurement apparatus and methods
US7467548B2 (en) * 2005-10-14 2008-12-23 Rosemount Tank Radar Ab Radar level gauge system and coupling
GB2432371B (en) 2005-11-17 2011-06-15 Epichem Ltd Improved bubbler for the transportation of substances by a carrier gas
US8079245B1 (en) 2007-01-19 2011-12-20 EnerTrac, Inc. Fuel oil and propane monitoring, delivery and sale system and method
US20090198458A1 (en) * 2008-01-29 2009-08-06 Mcdermid John Water measurement auto-networks
WO2011053505A1 (fr) 2009-11-02 2011-05-05 Sigma-Aldrich Co. Évaporateur
US20110128154A1 (en) * 2009-12-01 2011-06-02 Flow-Rite Controls, Ltd. Battery electrolyte level indicator
DE102011014888A1 (de) * 2011-03-23 2012-09-27 Homag Holzbearbeitungssysteme Gmbh Vorrichtung und Verfahren zur Steuerung/Regelung eines Füllstandsniveaus
CH705108A2 (de) 2011-06-03 2012-12-14 Tecan Trading Ag Verfahren und Vorrichtung zum Prüfen einer kapazitiv arbeitenden Messvorrichtung, die für die Detektion von Phasengrenzen ausgelegt ist, und entsprechend ausgestattetes Laborgerät.
US9261395B2 (en) 2012-02-13 2016-02-16 Goodrich Corporation Liquid level sensing system
US9574928B2 (en) 2012-02-13 2017-02-21 Goodrich Corporation Liquid level sensing systems
LU92018B1 (fr) * 2012-06-08 2013-12-09 Luxembourg Patent Co Ensemble de jauge de niveau capacitive pour un récipient de gaz pressurisé ou liquéfié
DE102014102054A1 (de) * 2014-02-18 2015-08-20 Vega Grieshaber Kg Füllstandsensor mit Elektrodenüberwachung
US10466617B2 (en) * 2017-12-19 2019-11-05 Lexmark International, Inc. Capacitive toner level sensor
JP7205361B2 (ja) * 2019-04-17 2023-01-17 株式会社リコー トナー量検出装置、トナー量検出方法、トナー量検出プログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2375084A (en) * 1943-06-23 1945-05-01 Gen Aniline & Film Corp Liquid level measuring apparatus
US3367183A (en) * 1964-05-19 1968-02-06 Pyrofax Gas Corp Apparatus for measuring liquid levels
US3475960A (en) * 1968-05-09 1969-11-04 Bernard J Miller Sensing probe with metallic coating
JPS4928759A (fr) * 1972-07-17 1974-03-14
US3863147A (en) * 1973-02-16 1975-01-28 Jensen Iii Owen F Capacitance sensing apparatus
DE2744864B2 (de) * 1977-10-05 1979-10-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Vorrichtung zur Befestigung einer Sonde in einer öffnung eines Behälters
EP0002376A1 (fr) * 1977-12-07 1979-06-13 LUCAS INDUSTRIES public limited company Dispositif avertisseur d'usure pour garniture de frein

Also Published As

Publication number Publication date
US4449405A (en) 1984-05-22
IT8123320A0 (it) 1981-07-31
CH653130A5 (de) 1985-12-13
JPH0416724B2 (fr) 1992-03-25
SE452659B (sv) 1987-12-07
FR2487975A1 (fr) 1982-02-05
GB2081450A (en) 1982-02-17
DE3029352A1 (de) 1982-02-18
GB2081450B (en) 1984-11-21
SE8104631L (sv) 1982-02-02
IT1137775B (it) 1986-09-10
DE3029352C2 (de) 1982-12-23
JPS5753625A (en) 1982-03-30
NL8103320A (nl) 1982-03-01

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