IT1084898B - Dispositivo permettente il controllo del livello di liquido contenuto in un serbatoio - Google Patents
Dispositivo permettente il controllo del livello di liquido contenuto in un serbatoioInfo
- Publication number
- IT1084898B IT1084898B IT27508/77A IT2750877A IT1084898B IT 1084898 B IT1084898 B IT 1084898B IT 27508/77 A IT27508/77 A IT 27508/77A IT 2750877 A IT2750877 A IT 2750877A IT 1084898 B IT1084898 B IT 1084898B
- Authority
- IT
- Italy
- Prior art keywords
- tank
- level
- control
- liquid contained
- device permitting
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
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
- G01F23/24—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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7630120A FR2367276A1 (fr) | 1976-10-06 | 1976-10-06 | Dispositif permettant le controle du niveau de liquide contenu dans un reservoir |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1084898B true IT1084898B (it) | 1985-05-28 |
Family
ID=9178475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27508/77A IT1084898B (it) | 1976-10-06 | 1977-09-14 | Dispositivo permettente il controllo del livello di liquido contenuto in un serbatoio |
Country Status (8)
Country | Link |
---|---|
US (1) | US4163391A (it) |
AR (1) | AR221036A1 (it) |
DE (1) | DE2740289C3 (it) |
ES (1) | ES462965A1 (it) |
FR (1) | FR2367276A1 (it) |
GB (1) | GB1535153A (it) |
IT (1) | IT1084898B (it) |
MX (1) | MX143777A (it) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0008508B1 (en) * | 1978-08-23 | 1981-10-28 | LUCAS INDUSTRIES public limited company | Liquid level sensing apparatus |
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 |
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 |
US4326199A (en) * | 1980-08-11 | 1982-04-20 | Texas Instruments Incorporated | Autoreferencing liquid level sensing apparatus and method |
DE3133421C2 (de) * | 1981-08-24 | 1985-10-24 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zum elektrischen Überwachen des Niveaus einer in einem Behälter enthaltenen Flüssigkeit |
FR2514134A2 (fr) * | 1981-10-07 | 1983-04-08 | Jaeger | Perfectionnements aux dispositifs de controle de niveau du liquide contenu dans un reservoir |
FR2514497A1 (fr) * | 1981-10-08 | 1983-04-15 | Jaeger | Dispositif de detection numerique de niveau par fil chaud |
FR2522065B1 (fr) * | 1982-02-19 | 1985-09-06 | Jaeger | Dispositif d'affichage systematique du niveau d'huile pour vehicule |
US4506258A (en) * | 1982-05-20 | 1985-03-19 | Gulf & Western Manufacturing Company | System for detecting low liquid level and probe therefor |
US4591839A (en) * | 1982-05-20 | 1986-05-27 | Gulf & Western Manufacturing Company | System for detecting low liquid level and probe therefor |
US4525850A (en) * | 1982-09-15 | 1985-06-25 | Chrysler Corporation | Fluid level sensor employing hot wire probe and digital sample and hold circuitry |
US4497205A (en) * | 1982-12-17 | 1985-02-05 | Gulf & Western Manufacturing Company | Method and apparatus for automatically sensing the level of a liquid in a reservoir |
FR2552876B1 (fr) * | 1983-09-29 | 1985-10-25 | Commissariat Energie Atomique | Systeme thermique de mesure de niveau de liquide |
DE3337779A1 (de) * | 1983-10-18 | 1985-04-25 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Schaltungsanordnung zur elektrothermischen fuellstandsmessung |
DE3408824A1 (de) * | 1984-03-10 | 1985-09-12 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Schaltungsanordnung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung |
DE3423802A1 (de) * | 1984-06-28 | 1986-01-02 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Verfahren und einrichtung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung |
FR2573866B1 (fr) * | 1984-11-27 | 1989-02-17 | Veglia E D | Sonde de mesure du niveau d'un liquide |
FR2584814B1 (fr) * | 1985-07-15 | 1990-03-23 | Jaeger | Capteur de niveau de liquide electriquement isolant |
US4706497A (en) * | 1986-04-01 | 1987-11-17 | The United States Of America As Represented By The United States Department Of Energy | Liquid detection circuit |
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 |
US4771271A (en) * | 1987-03-11 | 1988-09-13 | Ford Motor Company | Silicon based low level liquid sensor having a fast response time |
DE3725752A1 (de) * | 1987-08-04 | 1989-03-02 | Vdo Schindling | Verfahren und vorrichtung zur anzeige des fluessigkeitsniveaus in einem kraftfahrzeugtank |
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 |
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 |
US5152049A (en) * | 1988-05-02 | 1992-10-06 | Fluid Components, Inc. | Method of making a heated extended resistance temperature sensor |
US5007288A (en) * | 1988-12-02 | 1991-04-16 | Yazaki Corporation | Heat-radiation type level sensor |
US5111692A (en) * | 1990-03-27 | 1992-05-12 | Fluid Components, Inc. | Temperature compensated liquid level and fluid flow sensor |
US5321633A (en) * | 1990-04-10 | 1994-06-14 | Yazaki Corporation | Heat radiating type liquid level sensing system and the method therefor |
US5220514A (en) * | 1990-04-11 | 1993-06-15 | Itt Corporation | Method & apparatus for liquid level conductance probe control unit with increased sensitivity |
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. |
US5228340A (en) * | 1991-05-01 | 1993-07-20 | Yazaki Corporation | Method and apparatus for heat radiating type level sensor measurement of liquid level |
DE4117050A1 (de) * | 1991-05-24 | 1992-11-26 | Vdo Schindling | Verfahren zur fuellstandsmessung |
FR2690245A1 (fr) * | 1992-04-21 | 1993-10-22 | Sagem | Procédé de contrôle du niveau d'un liquide par élément résistif et circuit pour la mise en Óoeuvre du procédé. |
FR2690710B1 (fr) * | 1992-04-30 | 1994-06-17 | Snecma | Dispositif pour detecter une panne dans un echangeur huile/carburant. |
FR2703775B1 (fr) * | 1993-04-09 | 1995-07-07 | Jaeger | Perfectionnements aux dispositifs de mesure de niveau de liquide a fil resistif. |
FR2753792B1 (fr) * | 1996-09-26 | 1998-12-11 | Dispositif de mesure d'un niveau de liquide | |
US6390027B1 (en) | 2000-05-31 | 2002-05-21 | C. Cowles & Company | Cycle control system for boiler and associated burner |
US7360418B2 (en) * | 2005-06-28 | 2008-04-22 | Keurig, Incorporated | Method and apparatus for sensing liquid level using baseline characteristic |
US7317993B2 (en) * | 2006-03-15 | 2008-01-08 | Potter Electric Signal Company | Fluid detector recognizing foam and surge conditions |
FR2901877B1 (fr) * | 2006-06-02 | 2016-04-29 | Sc2N Sa | Capteur de temperature et du niveau d'un liquide |
DE102007001192A1 (de) * | 2007-01-05 | 2008-07-10 | Siemens Ag | Vorrichtung und Verfahren zur Bestimmung eines Füllstandes und einer Temperatur eines Fluids |
EP2468117A1 (en) | 2010-12-24 | 2012-06-27 | Philip Morris Products S.A. | An aerosol generating system having means for determining depletion of a liquid substrate |
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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2924234A (en) * | 1960-02-09 | Level sensing apparatus | ||
US1942241A (en) * | 1930-01-27 | 1934-01-02 | Westinghouse Electric & Mfg Co | Liquid level controlling means |
DE595691C (de) * | 1931-01-10 | 1934-04-16 | Friedrich Nettel Dipl Ing | Vorrichtung zur Anzeige des Fluessigkeitsstandes in Behaeltern |
US2707482A (en) * | 1951-07-03 | 1955-05-03 | Robert E Carter | Electronic liquid level controller |
US2894390A (en) * | 1954-08-20 | 1959-07-14 | Honeywell Regulator Co | Liquid level sensing means |
DE1754669U (de) * | 1957-07-05 | 1957-10-24 | Christian Schwaiger Elektrotei | Elektrischer reserverfuehler fuer kraftstoffbehaelter. |
US3529472A (en) * | 1968-12-05 | 1970-09-22 | Gen Motors Corp | Float-operated thermistor tank level sender |
GB1256411A (en) * | 1969-01-09 | 1971-12-08 | Central Electr Generat Board | Improvements in or relating to apparatus for measuring or responsive to the level of a liquid |
US3955416A (en) * | 1975-01-30 | 1976-05-11 | International Telephone And Telegraph Corporation | Thermal liquid level detector |
-
1976
- 1976-10-06 FR FR7630120A patent/FR2367276A1/fr active Granted
-
1977
- 1977-05-13 GB GB20304/77A patent/GB1535153A/en not_active Expired
- 1977-08-16 AR AR268809A patent/AR221036A1/es active
- 1977-08-16 MX MX170251A patent/MX143777A/es unknown
- 1977-09-07 DE DE2740289A patent/DE2740289C3/de not_active Expired
- 1977-09-14 IT IT27508/77A patent/IT1084898B/it active
- 1977-09-28 US US05/837,543 patent/US4163391A/en not_active Expired - Lifetime
- 1977-10-06 ES ES462965A patent/ES462965A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AR221036A1 (es) | 1980-12-30 |
DE2740289C3 (de) | 1982-03-04 |
DE2740289B2 (de) | 1981-06-04 |
GB1535153A (en) | 1978-12-06 |
US4163391A (en) | 1979-08-07 |
FR2367276B1 (it) | 1979-02-23 |
DE2740289A1 (de) | 1978-04-13 |
ES462965A1 (es) | 1978-06-16 |
FR2367276A1 (fr) | 1978-05-05 |
MX143777A (es) | 1981-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950929 |