DE69709896D1 - Grenzschicht-niveaumessung - Google Patents
Grenzschicht-niveaumessungInfo
- Publication number
- DE69709896D1 DE69709896D1 DE69709896T DE69709896T DE69709896D1 DE 69709896 D1 DE69709896 D1 DE 69709896D1 DE 69709896 T DE69709896 T DE 69709896T DE 69709896 T DE69709896 T DE 69709896T DE 69709896 D1 DE69709896 D1 DE 69709896D1
- Authority
- DE
- Germany
- Prior art keywords
- sensor
- vessel
- electrical signal
- along
- immiscible fluids
- 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
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
- G01F23/284—Electromagnetic waves
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Cable Accessories (AREA)
- Geophysics And Detection Of Objects (AREA)
- Soil Working Implements (AREA)
- Measurement Of Radiation (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/726,774 US5811677A (en) | 1996-10-07 | 1996-10-07 | Material interface level sensing |
PCT/US1997/016537 WO1998017981A1 (en) | 1996-10-07 | 1997-09-17 | Material interface level sensing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69709896D1 true DE69709896D1 (de) | 2002-02-28 |
DE69709896T2 DE69709896T2 (de) | 2002-08-29 |
Family
ID=24919961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69709896T Expired - Fee Related DE69709896T2 (de) | 1996-10-07 | 1997-09-17 | Grenzschicht-niveaumessung |
Country Status (11)
Country | Link |
---|---|
US (1) | US5811677A (de) |
EP (1) | EP0937231B1 (de) |
JP (1) | JP2001502431A (de) |
CN (1) | CN1134652C (de) |
AT (1) | ATE211542T1 (de) |
AU (1) | AU721901B2 (de) |
CA (1) | CA2267900C (de) |
DE (1) | DE69709896T2 (de) |
DK (1) | DK0937231T3 (de) |
RU (1) | RU2184353C2 (de) |
WO (1) | WO1998017981A1 (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6782328B2 (en) | 1999-01-21 | 2004-08-24 | Rosemount Inc. | Measurement of concentration of material in a process fluid |
US6198424B1 (en) * | 1999-01-21 | 2001-03-06 | Rosemount Inc. | Multiple process product interface detection for a low power radar level transmitter |
US6477474B2 (en) * | 1999-01-21 | 2002-11-05 | Rosemount Inc. | Measurement of process product dielectric constant using a low power radar level transmitter |
NO326208B1 (no) * | 1999-07-12 | 2008-10-20 | Epsis As | Fremgangsmate og anordning til maling av interfaseniva, samt anvendelse derav |
DE19958584C1 (de) * | 1999-11-08 | 2001-02-01 | Krohne Sa | Füllstandmessgerät |
US6644114B1 (en) | 1999-12-30 | 2003-11-11 | Mcewan Technologies, Llc | Direct PWM reflectometer |
DE10014725A1 (de) * | 2000-03-24 | 2001-09-27 | Endress Hauser Gmbh Co | Meßgerät zur Messung eines Füllstands eines Mediums in einem Behälter |
DE10027150A1 (de) * | 2000-05-31 | 2001-12-06 | Volkswagen Ag | Einrichtung und Verfahren zur Erfassung eines Füllstandes |
WO2002025227A1 (en) * | 2000-09-22 | 2002-03-28 | Rosemount, Inc. | Improved threshold setting for a radar level transmitter |
US20030222654A1 (en) * | 2001-11-30 | 2003-12-04 | Furse Cynthia M. | Cable testing, cable length, and liquid level determination system utilizing a standing wave reflectometer |
DE10203461A1 (de) * | 2002-01-28 | 2003-08-14 | Grieshaber Vega Kg | Schwingungsgrenzstandsensor |
NO319004B1 (no) * | 2003-03-21 | 2005-06-06 | Norsk Hydro As | Anordning for overvaking av posisjon for et olje-vann-grensesjikt i en petroleums-produksjonsbronn |
US6918296B1 (en) * | 2004-03-04 | 2005-07-19 | Delphi Technologies, Inc. | Method of measuring fluid phases in a reservoir |
JP4293194B2 (ja) * | 2005-09-02 | 2009-07-08 | 財団法人雑賀技術研究所 | 距離測定装置、及び距離測定方法 |
EP1804038A1 (de) * | 2005-12-29 | 2007-07-04 | Endress + Hauser GmbH + Co. KG | Verfahren zur Feststellung des Füllstandes einer ersten Flüssigkeit in einem Behälter und zur Feststellung des Vorhandenseins einer zweiten Flüssigkeit unter der ersten Flüssigkeit sowie Füllstandsmessvorrichtung zur Ausführung dieses Verfahrens |
US20090039105A1 (en) * | 2007-08-09 | 2009-02-12 | Golter Lee B | Controlled removal of liquids |
DE102007061574A1 (de) * | 2007-12-18 | 2009-06-25 | Endress + Hauser Gmbh + Co. Kg | Verfahren zur Füllstandsmessung |
DE102007061573A1 (de) * | 2007-12-18 | 2009-06-25 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Ermittlung und/oder Überwachung zumindest eines Füllstands von zumindest einem Medium in einem Behälter gemäß einer Laufzeitmessmethode und/oder einer kapazitiven Messmethode |
US8146421B2 (en) | 2008-02-08 | 2012-04-03 | Pulstone Technologies, LLC | Method and apparatus for sensing levels of insoluble fluids |
DE102009060742A1 (de) * | 2009-12-30 | 2011-07-07 | NEGELE Messtechnik GmbH, 87743 | Einrichtung zum Erkennen eines Pegelstandes |
NO331262B1 (no) * | 2010-04-12 | 2011-11-14 | Kongsberg Maritime As | Metode og apparat for å måle tettheten til en væske |
US8869612B2 (en) | 2011-03-08 | 2014-10-28 | Baxter International Inc. | Non-invasive radio frequency liquid level and volume detection system using phase shift |
DE102012105281A1 (de) * | 2012-06-18 | 2013-12-19 | Endress + Hauser Gmbh + Co. Kg | Füllstandsmessgerät und Vorrichtung zur Bestimmung der Dielektrizitätszahl |
US9360361B2 (en) * | 2012-09-27 | 2016-06-07 | Magnetrol International, Inc. | System and method for emulsion measurement and profiling |
DE102013112025A1 (de) * | 2013-10-31 | 2015-04-30 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Bestimmung oder Überwachung des Füllstands eines Mediums in einem Behälter |
CN104034390B (zh) * | 2014-06-30 | 2017-01-25 | 中南大学 | 一种多层熔体高度的测量方法 |
CN104457906B (zh) * | 2014-12-08 | 2018-09-04 | 深圳市北高智电子有限公司 | 电容式水位无极检测装置及检测方法 |
CN104897240B (zh) * | 2015-02-13 | 2018-01-19 | 西安电子科技大学 | 一种油水界面的测量方法 |
GB2538233A (en) * | 2015-05-08 | 2016-11-16 | Rosemount Measurement Ltd | Improvements in or relating to level switches |
CN108697322A (zh) * | 2015-10-23 | 2018-10-23 | 外分泌腺系统公司 | 用于汗液分析物的扩展感测的能够进行样本浓缩的装置 |
AU2017288809B2 (en) | 2016-06-29 | 2022-07-21 | Schlumberger Technology B.V. | Determining multi-phasic fluid properties and hydrocarbon production information as a function thereof |
CN107782412A (zh) * | 2016-08-30 | 2018-03-09 | 房玉安 | 全新的水位检测装置 |
CN108204845B (zh) * | 2016-12-19 | 2019-11-29 | 桓达科技股份有限公司 | 感测装置及物质感测方法 |
DE102017108702A1 (de) | 2017-04-24 | 2018-10-25 | Krohne S. A. S. | Verfahren zur Bestimmung des Füllstandes und Füllstandmessgerät |
EP3527959B1 (de) * | 2018-02-14 | 2023-11-08 | VEGA Grieshaber KG | Füllstandradar mit anhaftungsdetektor |
US11794132B2 (en) | 2019-07-18 | 2023-10-24 | Cameron International Corporation | Digital treatment of multi-phase liquid mixtures |
CN110440876B (zh) * | 2019-08-23 | 2020-11-24 | 交通运输部天津水运工程科学研究所 | 非接触式波浪测量方法及系统 |
CN113108864A (zh) * | 2021-03-31 | 2021-07-13 | 宝力马(苏州)传感技术有限公司 | 一种基于信号在变阻抗介质中传输反射特性的液位计 |
WO2022216601A1 (en) * | 2021-04-05 | 2022-10-13 | Microchip Technology Incorporated | Differentiating between fuel and water using capacitive measurement thereof |
CN113959523A (zh) * | 2021-09-22 | 2022-01-21 | 青岛海尔生物医疗科技有限公司 | 用于培养设备的液位检测装置及方法、培养设备及介质 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296862A (en) * | 1963-10-02 | 1967-01-10 | Atomic Power Dev Ass Inc | Fluid level measuring apparatus |
US3424002A (en) * | 1965-06-01 | 1969-01-28 | Marathon Oil Co | Apparatus for the determination of location of interfaces between different materials |
US3474337A (en) * | 1966-12-27 | 1969-10-21 | Jackson & Church Electronics C | System for sensing levels and electrical characteristics of fluent materials |
US3572119A (en) * | 1969-08-07 | 1971-03-23 | Bendix Corp | Fluid quantity indicating device |
US3695107A (en) * | 1970-06-01 | 1972-10-03 | Hertz Carl H | Method of measuring the level of a material in a tank, and an apparatus for practicing this method |
US3703829A (en) * | 1971-04-19 | 1972-11-28 | Honeywell Inc | Liquid quantity gaging system |
IT961071B (it) * | 1971-09-04 | 1973-12-10 | Cnen | Sonda ed installazione per la misura di livelli di interfacce di fluidi e delle costanti dielettri che degli stessi |
US3874237A (en) * | 1973-02-15 | 1975-04-01 | Canadian Patents Dev | Liquid level height measuring apparatus |
US4135397A (en) * | 1977-06-03 | 1979-01-23 | Krake Guss L | Level measuring system |
US4170135A (en) * | 1978-09-26 | 1979-10-09 | The United States Of America As Represented By The United States Department Of Energy | Coaxial cavity for measuring level of liquid in a container |
US4307267A (en) * | 1980-06-16 | 1981-12-22 | Bell Telephone Laboratories, Incorporated | Testing loaded transmission lines |
US4359902A (en) * | 1980-07-31 | 1982-11-23 | Lawless James C | Liquid level gauge |
JPS5811840A (ja) * | 1981-07-15 | 1983-01-22 | Hitachi Ltd | マイクロ波アルコ−ル燃料センサ |
US4446562A (en) * | 1981-10-13 | 1984-05-01 | Electric Power Rsearch Institute, Inc. | Method and apparatus for measuring crucible level of molten metal |
US4495807A (en) * | 1983-02-24 | 1985-01-29 | The United States Of America As Represented By The United States Department Of Energy | Precision liquid level sensor |
US4649713A (en) * | 1984-05-21 | 1987-03-17 | Bezek Donald J | Microwave ice detector |
US4621226A (en) * | 1984-05-23 | 1986-11-04 | Weinschel Engineering Co., Inc. | Apparatus and method for determining an input electrical characteristic of a device under test |
US4729245A (en) * | 1986-01-02 | 1988-03-08 | Massachusetts Institute Of Technology | Method and apparatus for monitoring liquid volume/mass in tanks |
US4847623A (en) * | 1986-02-19 | 1989-07-11 | Idea, Inc. | Radar tank gauge |
US4807471A (en) * | 1987-09-16 | 1989-02-28 | Cournane Thomas C | Level measurement for storage silos |
US5233352A (en) * | 1992-05-08 | 1993-08-03 | Cournane Thomas C | Level measurement using autocorrelation |
US5588324A (en) * | 1994-06-14 | 1996-12-31 | Speranza; Bernard E. | Method for determining the level of a submerged layer of liquified material |
US5602333A (en) * | 1994-06-17 | 1997-02-11 | Smiths Industries | Apparatus for measuring the level of a liquid in a tank |
-
1996
- 1996-10-07 US US08/726,774 patent/US5811677A/en not_active Expired - Lifetime
-
1997
- 1997-09-17 DK DK97943355T patent/DK0937231T3/da active
- 1997-09-17 CA CA002267900A patent/CA2267900C/en not_active Expired - Fee Related
- 1997-09-17 DE DE69709896T patent/DE69709896T2/de not_active Expired - Fee Related
- 1997-09-17 EP EP97943355A patent/EP0937231B1/de not_active Expired - Lifetime
- 1997-09-17 JP JP10519351A patent/JP2001502431A/ja not_active Ceased
- 1997-09-17 WO PCT/US1997/016537 patent/WO1998017981A1/en active IP Right Grant
- 1997-09-17 AU AU44846/97A patent/AU721901B2/en not_active Ceased
- 1997-09-17 CN CNB971985901A patent/CN1134652C/zh not_active Expired - Fee Related
- 1997-09-17 RU RU99109118/28A patent/RU2184353C2/ru not_active IP Right Cessation
- 1997-09-17 AT AT97943355T patent/ATE211542T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1232542A (zh) | 1999-10-20 |
EP0937231A4 (de) | 2000-10-04 |
WO1998017981A1 (en) | 1998-04-30 |
CA2267900C (en) | 2002-07-02 |
JP2001502431A (ja) | 2001-02-20 |
EP0937231A1 (de) | 1999-08-25 |
DE69709896T2 (de) | 2002-08-29 |
AU721901B2 (en) | 2000-07-20 |
RU2184353C2 (ru) | 2002-06-27 |
CA2267900A1 (en) | 1998-04-30 |
EP0937231B1 (de) | 2002-01-02 |
US5811677A (en) | 1998-09-22 |
AU4484697A (en) | 1998-05-15 |
CN1134652C (zh) | 2004-01-14 |
DK0937231T3 (da) | 2002-07-01 |
ATE211542T1 (de) | 2002-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |