FR2617966B1 - Procede de controle d'un niveau de liquide et reservoir comprenant un appareil de controle de niveau - Google Patents
Procede de controle d'un niveau de liquide et reservoir comprenant un appareil de controle de niveauInfo
- Publication number
- FR2617966B1 FR2617966B1 FR888809094A FR8809094A FR2617966B1 FR 2617966 B1 FR2617966 B1 FR 2617966B1 FR 888809094 A FR888809094 A FR 888809094A FR 8809094 A FR8809094 A FR 8809094A FR 2617966 B1 FR2617966 B1 FR 2617966B1
- Authority
- FR
- France
- Prior art keywords
- monitoring
- level
- tank
- liquid level
- monitoring apparatus
- 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
Links
- 238000012544 monitoring process Methods 0.000 title 2
- 239000007788 liquid Substances 0.000 title 1
- 238000000034 method Methods 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2965—Measuring attenuation of transmitted waves
-
- 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (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 |
---|---|---|---|
GB878715841A GB8715841D0 (en) | 1987-07-06 | 1987-07-06 | Liquid level monitoring |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2617966A1 FR2617966A1 (fr) | 1989-01-13 |
FR2617966B1 true FR2617966B1 (fr) | 1993-01-15 |
Family
ID=10620145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888809094A Expired - Fee Related FR2617966B1 (fr) | 1987-07-06 | 1988-07-05 | Procede de controle d'un niveau de liquide et reservoir comprenant un appareil de controle de niveau |
Country Status (5)
Country | Link |
---|---|
US (1) | US4890490A (fr) |
JP (1) | JPS6429715A (fr) |
DE (1) | DE3822138A1 (fr) |
FR (1) | FR2617966B1 (fr) |
GB (2) | GB8715841D0 (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8903532D0 (en) * | 1989-02-16 | 1989-04-05 | Rolls Royce Plc | A fluid level monitor |
US5228339A (en) * | 1990-08-09 | 1993-07-20 | Maresca Jr Joseph W | Automatic tank gauging system with a quasi static reference subsystem |
US5127266A (en) * | 1990-09-19 | 1992-07-07 | Vista Research, Inc. | Methods for liquid measurement using quasi-static reference subsystem |
US5263371A (en) * | 1990-09-19 | 1993-11-23 | Maresca Jr Joseph W | Methods for temperature-compensated liquid height and leak detection measurements using quasi-static reference subsystem |
US5119676A (en) * | 1991-09-03 | 1992-06-09 | The Babcock & Wilcox Company | Ultrasonic method and apparatus for determining water level in a closed vessel |
GB2260235B (en) * | 1991-09-26 | 1995-07-12 | Schlumberger Ind Ltd | Measurement of liquid level |
GB2268807B (en) * | 1992-07-17 | 1996-09-18 | Xerox Corp | Detection of material consumption |
US5319972A (en) * | 1992-10-19 | 1994-06-14 | Westinghouse Electric Corp. | Ultrasonic liquid level measurement system |
FR2719113B1 (fr) * | 1994-04-26 | 1996-07-12 | Auxitrol Sa | Capteur de niveau de liquide à noyau plongeur. |
GB9524329D0 (en) * | 1995-11-28 | 1996-01-31 | Amp Great Britain | Liquid level measuring device |
DE19910964A1 (de) * | 1999-03-12 | 2000-09-21 | Krupp Uhde Gmbh | Verfahren zur Herstellung von Ethylendichlorid (EDC) |
EP1059516A1 (fr) * | 1999-06-07 | 2000-12-13 | Endress + Hauser GmbH + Co. | Appareil et procédé pour la mesure du niveau de remplissage de récipients |
DE10145302B4 (de) * | 2001-09-14 | 2011-03-17 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Messung des Füllstands einer Flüssigkeit in einem Behälter |
US7418860B2 (en) * | 2004-10-05 | 2008-09-02 | Parker-Hannifan Corporation | Ultrasonic fluid level sensor |
US20060169055A1 (en) * | 2005-01-06 | 2006-08-03 | Sensotech | Method and system for measuring fluid level in a container |
GB2427273A (en) * | 2005-06-14 | 2006-12-20 | Inertia Switch Ltd | Fluid level sensor using Rayleigh-Lamb waves |
JP2007163352A (ja) * | 2005-12-15 | 2007-06-28 | Japan Energy Corp | 液面計及び液面の測定方法 |
US8646328B2 (en) * | 2007-01-17 | 2014-02-11 | Illinois Tool Works Inc. | Discrete fluid level sensor and mount |
US8047073B2 (en) * | 2007-05-14 | 2011-11-01 | Samsung Sdi Co., Ltd. | Capacitive liquid level detector for direct methanol fuel cell systems |
US8090131B2 (en) * | 2007-07-11 | 2012-01-03 | Elster NV/SA | Steerable acoustic waveguide |
US8161814B2 (en) * | 2008-06-09 | 2012-04-24 | Luna Labs, Inc. | Self-calibrating capacitive transducer for determining level of fluent materials |
DE102009020676B4 (de) | 2009-05-11 | 2011-06-22 | Hochschule für angewandte Wissenschaften - Fachhochschule Coburg, 96450 | Vorrichtung und Verfahren zur Positionsbestimmung |
JP5332989B2 (ja) * | 2009-07-10 | 2013-11-06 | ソニー株式会社 | 液体タンクおよび燃料電池 |
WO2013074686A1 (fr) * | 2011-11-14 | 2013-05-23 | Street Smart Sensors Llc | Capteur en réseau acoustique |
DE102012211848B4 (de) * | 2012-07-06 | 2019-08-01 | KSB SE & Co. KGaA | Füllstandmessung |
US9285261B2 (en) | 2012-09-12 | 2016-03-15 | Street Smart Sensors Llc | Acoustic flexural order level sensor |
CN103393367A (zh) * | 2013-07-23 | 2013-11-20 | 苏州卫生职业技术学院 | 一种超声波测量控制水位的自动浴缸 |
RU2608343C1 (ru) * | 2015-07-31 | 2017-01-17 | Общество с ограниченной ответственностью "Научно-исследовательский центр Техноавтомат" (ООО "НИЦ Техноавтомат") | Способ контроля уровня жидкости в резервуарах по характеристикам волн лэмба и устройство для его осуществления |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2713263A (en) * | 1952-07-07 | 1955-07-19 | Raytheon Mfg Co | Ullage measuring devices |
US2787160A (en) * | 1953-06-29 | 1957-04-02 | Sperry Prod Inc | Ultrasonic liquid depth indicator |
GB818351A (en) * | 1957-04-01 | 1959-08-12 | Bailey Meters Controls Ltd | Improvements in or modifications of apparatus for detecting the presence or absence,at a location, of a body of liquid |
US2990482A (en) * | 1957-05-01 | 1961-06-27 | Acoustica Associates Inc | Transducer assembly |
US3163843A (en) * | 1961-10-02 | 1964-12-29 | North American Aviation Inc | Liquid level indicator |
US3246516A (en) * | 1963-05-21 | 1966-04-19 | Maropis Nicholas | Apparatus using vibratory energy to detect the presence of substances |
JPS4831863B1 (fr) * | 1965-03-08 | 1973-10-02 | ||
FR1477470A (fr) * | 1965-12-15 | 1967-04-21 | Commissariat Energie Atomique | Dispositif à ultra-sons pour la mesure de la position du niveau d'un liquide |
US3512400A (en) * | 1967-04-13 | 1970-05-19 | Panametrics | Ultrasonic testing method |
SU537253A1 (ru) * | 1973-12-07 | 1976-11-30 | Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета | Ультразвуковой измеритель уровн жидкости |
US4118983A (en) * | 1975-08-04 | 1978-10-10 | Nikolai Ivanovich Brazhnikov | Method of and device for controlling gas-liquid or liquid-liquid interface in monolayer reservoirs |
US4320659A (en) * | 1978-02-27 | 1982-03-23 | Panametrics, Inc. | Ultrasonic system for measuring fluid impedance or liquid level |
GB2019568B (en) * | 1978-03-01 | 1983-02-02 | Atomic Energy Authority Uk | Ultrasonic liquid level gauges |
US4316183A (en) * | 1980-10-24 | 1982-02-16 | Bestobell Mobrey Limited | Liquid level sensor |
GB2092408B (en) * | 1981-01-27 | 1984-06-06 | Atomic Energy Authority Uk | Improvements in or relating to ultrasonic transducers |
US4403508A (en) * | 1981-06-10 | 1983-09-13 | Langlois Gary N | Locating interfaces in vertically-layered materials and determining concentrations in mixed materials utilizing acoustic impedance measurements |
GB2137348B (en) * | 1983-03-30 | 1986-09-24 | Atomic Energy Authority Uk | Ultrasonic liquid interface detector |
US4679430A (en) * | 1983-03-30 | 1987-07-14 | United Kingdom Atomic Energy Authority | Ultrasonic liquid interface detector |
GB8400105D0 (en) * | 1984-01-04 | 1984-02-08 | Atomic Energy Authority Uk | Liquid level gauge |
-
1987
- 1987-07-06 GB GB878715841A patent/GB8715841D0/en active Pending
-
1988
- 1988-06-13 US US07/205,829 patent/US4890490A/en not_active Expired - Fee Related
- 1988-06-22 GB GB8814774A patent/GB2206965B/en not_active Expired - Fee Related
- 1988-06-30 DE DE3822138A patent/DE3822138A1/de not_active Withdrawn
- 1988-07-05 FR FR888809094A patent/FR2617966B1/fr not_active Expired - Fee Related
- 1988-07-06 JP JP63168644A patent/JPS6429715A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8814774D0 (en) | 1988-07-27 |
JPS6429715A (en) | 1989-01-31 |
US4890490A (en) | 1990-01-02 |
DE3822138A1 (de) | 1989-01-19 |
GB8715841D0 (en) | 1987-08-12 |
GB2206965B (en) | 1991-06-12 |
GB2206965A (en) | 1989-01-18 |
FR2617966A1 (fr) | 1989-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |