IT1192512B - Dispositivo di rivelazione numerica di livello mediante filo caldo - Google Patents

Dispositivo di rivelazione numerica di livello mediante filo caldo

Info

Publication number
IT1192512B
IT1192512B IT09516/82A IT951682A IT1192512B IT 1192512 B IT1192512 B IT 1192512B IT 09516/82 A IT09516/82 A IT 09516/82A IT 951682 A IT951682 A IT 951682A IT 1192512 B IT1192512 B IT 1192512B
Authority
IT
Italy
Prior art keywords
detection device
level detection
hot wire
numeric level
numeric
Prior art date
Application number
IT09516/82A
Other languages
English (en)
Other versions
IT8209516A0 (it
Inventor
Jean-Jacques Bezard
Charles Henri Jourdain
Bruno Lalanne
Original Assignee
Jaeger
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 filed Critical Jaeger
Publication of IT8209516A0 publication Critical patent/IT8209516A0/it
Application granted granted Critical
Publication of IT1192512B publication Critical patent/IT1192512B/it

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
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/246—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 resistance of resistors due to contact with conductor fluid thermal devices
IT09516/82A 1981-10-08 1982-10-07 Dispositivo di rivelazione numerica di livello mediante filo caldo IT1192512B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8118960A FR2514497A1 (fr) 1981-10-08 1981-10-08 Dispositif de detection numerique de niveau par fil chaud

Publications (2)

Publication Number Publication Date
IT8209516A0 IT8209516A0 (it) 1982-10-07
IT1192512B true IT1192512B (it) 1988-04-20

Family

ID=9262854

Family Applications (2)

Application Number Title Priority Date Filing Date
IT1982A09516A IT8209516A1 (it) 1981-10-08 1982-10-07 Dispositivo di rivelazione numerica di livello mediante filo caldo
IT09516/82A IT1192512B (it) 1981-10-08 1982-10-07 Dispositivo di rivelazione numerica di livello mediante filo caldo

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT1982A09516A IT8209516A1 (it) 1981-10-08 1982-10-07 Dispositivo di rivelazione numerica di livello mediante filo caldo

Country Status (8)

Country Link
US (1) US4513616A (it)
JP (1) JPH0615980B2 (it)
DE (1) DE3237396A1 (it)
ES (1) ES516788A0 (it)
FR (1) FR2514497A1 (it)
GB (1) GB2107883B (it)
IT (2) IT8209516A1 (it)
MX (1) MX151786A (it)

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DE3337779A1 (de) * 1983-10-18 1985-04-25 Vdo Adolf Schindling Ag, 6000 Frankfurt Schaltungsanordnung zur elektrothermischen fuellstandsmessung
FR2562244B1 (fr) * 1984-04-03 1988-10-07 Renault Procede et dispositif de controle de niveau de liquide dans un reservoir
JPS60244848A (ja) * 1984-05-21 1985-12-04 Ketsuto Kagaku Kenkyusho:Kk 電気式水分計
DE3423802A1 (de) * 1984-06-28 1986-01-02 Vdo Adolf Schindling Ag, 6000 Frankfurt Verfahren und einrichtung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung
US4723066A (en) * 1984-11-05 1988-02-02 Fuji Photo Film Co., Ltd. Apparatus for heating processing liquid
US4660586A (en) * 1984-12-21 1987-04-28 Aluminum Company Of America Liquid level control
DE3520392A1 (de) * 1985-06-07 1986-12-11 Robert Bosch Gmbh, 7000 Stuttgart Abgleichverfahren fuer einen hitzdraht-luftmassenmesser und hitzdraht-luftmassenmesser zur durchfuehrung des verfahrens
DE3543153C1 (de) * 1985-12-06 1987-04-09 Daimler Benz Ag Schaltungsanordnung zur elektrothermischen Messung des Fuellstandes im Tank eines Kraftfahrzeuges
DE3601100A1 (de) * 1986-01-16 1987-07-23 Vdo Schindling System zur fuellstandsmessung
JPS62185146A (ja) * 1986-02-12 1987-08-13 Snow Brand Milk Prod Co Ltd 流体の状態の計測方法
US5117216A (en) * 1986-04-23 1992-05-26 Fluid Components, Inc. Distributed RTD
US5167153A (en) * 1986-04-23 1992-12-01 Fluid Components, Inc. Method of measuring physical phenomena using a distributed RTD
FR2599835B1 (fr) * 1986-06-04 1988-08-26 Bendix Electronics Sa Procede et dispositif de mesure du niveau de la surface libre d'un liquide
US4750272A (en) * 1986-11-06 1988-06-14 Kearney & Trecker Corporation Tool measuring device employing gap width detection
IT1206845B (it) * 1987-01-16 1989-05-11 Fiat Auto Spa Dispositivo per la misurazione del livello di carburante presente nel serbatoio di un autoveicolo e relativo procedimento di impiego
JPH0638062B2 (ja) * 1987-04-08 1994-05-18 テルモ株式会社 予測型温度測定機器の自動検査装置
US5201223A (en) * 1988-05-02 1993-04-13 Fluid Components, Inc. Method of sensing fluid flow and level employing a heated extended resistance temperature sensor
US5152049A (en) * 1988-05-02 1992-10-06 Fluid Components, Inc. Method of making a heated extended resistance temperature sensor
US5134772A (en) * 1988-05-02 1992-08-04 Fluid Components, Inc. Method of making a U-shaped heated extended resistance temperature sensor
US4994780A (en) * 1988-05-02 1991-02-19 Fluid Components, Inc. Heated extended resistance temperature sensor, apparatus for sensing and method of making same
DE3822846A1 (de) * 1988-07-06 1990-01-11 Vdo Schindling Geraet zur messung des fuellstands eines kraftstofftanks
US4931835A (en) * 1988-11-14 1990-06-05 Eastman Kodak Company Apparatus for monitoring developer mixture
DE4008031A1 (de) * 1990-03-14 1991-09-19 Vdo Schindling Anordnung zur messung einer fluessigkeitsmenge
US5111692A (en) * 1990-03-27 1992-05-12 Fluid Components, Inc. Temperature compensated liquid level and fluid flow sensor
US5220514A (en) * 1990-04-11 1993-06-15 Itt Corporation Method & apparatus for liquid level conductance probe control unit with increased sensitivity
DE4016970A1 (de) * 1990-05-25 1991-11-28 Vdo Schindling Verfahren und schaltungsanordnung zum ermitteln eines fluessigkeits-fuellstandes in einem fluessigkeitsbehaelter
US5438866A (en) * 1990-06-25 1995-08-08 Fluid Components, Inc. Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor
FR2666653B1 (fr) * 1990-09-11 1993-08-13 Marelli Autronica Sa Circuit electronique de mesure comportant des moyens d'alimentation electrique controlee d'une sonde resistive.
US5085077A (en) * 1991-01-07 1992-02-04 Capscan Sales Incorporate Ultrasonic liquid measuring device for use in storage tanks containing liquids having a non-uniform vapor density
DE4117050A1 (de) * 1991-05-24 1992-11-26 Vdo Schindling Verfahren zur fuellstandsmessung
US5210769A (en) * 1991-12-30 1993-05-11 The Great American Company Liquid level measuring system
DE4332403C2 (de) * 1993-09-23 1998-07-23 Tuchenhagen Gmbh Elektrische Schaltungsanordnung zur Niveau-Grenzwerterfassung in Behältern mit elektrisch leitenden Medien
DE4434559C2 (de) * 1994-09-28 1999-09-02 Mannesmann Vdo Ag Verfahren und Anordnung zum Betrieb eines Füllstandssensors
FR2753792B1 (fr) * 1996-09-26 1998-12-11 Dispositif de mesure d'un niveau de liquide
GB2333843A (en) * 1998-01-31 1999-08-04 Anthony Keith Cummins Fluid level control system
US6568263B1 (en) 1999-08-03 2003-05-27 Charles Darwin Snelling Liquid level detector and system
US6948364B2 (en) 1999-08-03 2005-09-27 Charles Snelling Apparatus for detecting the internal liquid level in a vessel
US6615658B2 (en) 1999-08-03 2003-09-09 Charles Darwin Snelling Method and apparatus for detecting the internal liquid level in a vessel
FR2805889B1 (fr) * 2000-03-03 2002-05-31 Centre Nat Rech Scient Dispositif amplificateur pour capteurs et systeme de mesure d'une grandeur physique equipe d'un tel dispositif
US6390027B1 (en) 2000-05-31 2002-05-21 C. Cowles & Company Cycle control system for boiler and associated burner
DE10037715A1 (de) * 2000-08-02 2002-02-14 Endress Hauser Gmbh Co Vorrichtung zur Messung des Füllstands eines Füllguts in einem Behälter
DE10156162A1 (de) * 2001-11-15 2003-05-28 Siemens Ag Anordnung und Verfahren zur Messung des Füllstandes
DE10162334A1 (de) * 2001-12-18 2003-07-03 Endress & Hauser Gmbh & Co Kg Feldgerät und ein Verfahren zur Kalibrierung eines Feldgerätes
DE10357771B4 (de) * 2003-12-10 2012-08-30 Continental Automotive Gmbh Steuereinheit und Steuervorrichtung mit der Steuereinheit
JP5158218B2 (ja) * 2011-01-10 2013-03-06 株式会社デンソー 液面レベル計測装置
GB2561178A (en) * 2017-04-03 2018-10-10 Ford Global Tech Llc Improvements in or relating to oil sensors
US11428407B2 (en) 2018-09-26 2022-08-30 Cowles Operating Company Combustion air proving apparatus with burner cut-off capability and method of performing the same
US10760460B1 (en) 2019-06-12 2020-09-01 Ford Global Technologies, Llc Method and system for engine oil level sensing

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GB366663A (en) * 1930-01-27 1932-02-11 Siemens Ag Means for indicating the liquid level in diving bells of dynamo-electric machines working under liquids
FR1396688A (fr) * 1963-04-30 1965-04-23 Smith & Sons Ltd S Calculatrice numérique de correction d'un indicateur de carburant, en particulier pour avions
US3465588A (en) * 1967-09-11 1969-09-09 Bendix Corp Floatless electrical fluid level gauge
DE2727132A1 (de) * 1976-06-17 1978-01-05 Laitram Corp Verfahren und einrichtung zur deviationskorrektur der anzeigesignale digitaler magnetkompasse
FR2367276A1 (fr) * 1976-10-06 1978-05-05 Jaeger Dispositif permettant le controle du niveau de liquide contenu dans un reservoir
JPS5482257A (en) * 1977-12-14 1979-06-30 Tokyo Keiso Kk System for supervising plurality of tank yard
SE7904501L (it) * 1978-05-26 1979-11-27 Ahi Operations Ltd
JPS5593024A (en) * 1979-01-08 1980-07-15 Mitsubishi Electric Corp Superconductive liquid level indicator
US4217777A (en) * 1979-01-12 1980-08-19 Np Industries, Inc. Flow measuring system
US4258422A (en) * 1979-05-04 1981-03-24 Honeywell Inc. Liquid gaging system
FR2457480A1 (fr) * 1979-05-21 1980-12-19 Compteurs E D Dispositif de mesure d'un niveau de liquide
DE2946585A1 (de) * 1979-11-19 1981-05-27 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum elektrischen ueberwachen des niveaus einer in einem behaelter enthaltenen fluessigkeit
US4303984A (en) * 1979-12-14 1981-12-01 Honeywell Inc. Sensor output correction circuit
GB2072349B (en) * 1980-03-18 1984-02-15 Gaeltec Ltd Conditioning pressure transducer outputs
US4355363A (en) * 1980-05-14 1982-10-19 Honeywell Inc. Digital characterization of liquid gaging system sensors
DE3022398A1 (de) * 1980-06-14 1982-01-07 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum elektrischen ueberwachen des niveaus einer in einem behaelter enthaltenen fluessigkeit
DD155646A1 (de) * 1980-12-22 1982-06-23 Wolfgang Heber Sonde zur messung von fluessigkietsspiegelhoehen
US4390793A (en) * 1981-02-23 1983-06-28 International Telephone And Telegraph Corporation Electronic liquid level control apparatus
DE3115776A1 (de) * 1981-04-18 1983-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermoelektrische fuellstandsmesseinrichtung

Also Published As

Publication number Publication date
US4513616A (en) 1985-04-30
IT8209516A0 (it) 1982-10-07
MX151786A (es) 1985-03-15
ES8307051A1 (es) 1983-06-16
JPH0615980B2 (ja) 1994-03-02
DE3237396C2 (it) 1990-08-30
ES516788A0 (es) 1983-06-16
GB2107883A (en) 1983-05-05
DE3237396A1 (de) 1983-04-28
IT8209516A1 (it) 1984-04-07
FR2514497B1 (it) 1984-01-13
FR2514497A1 (fr) 1983-04-15
GB2107883B (en) 1985-04-24
JPS5875030A (ja) 1983-05-06

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