DE69709896D1 - Grenzschicht-niveaumessung - Google Patents

Grenzschicht-niveaumessung

Info

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
Application number
DE69709896T
Other languages
English (en)
Other versions
DE69709896T2 (de
Inventor
Thomas C Cournane
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.)
Venture Measurement Co LLC
Original Assignee
Venture Measurement Co LLC
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 Venture Measurement Co LLC filed Critical Venture Measurement Co LLC
Publication of DE69709896D1 publication Critical patent/DE69709896D1/de
Application granted granted Critical
Publication of DE69709896T2 publication Critical patent/DE69709896T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/284Electromagnetic 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)
DE69709896T 1996-10-07 1997-09-17 Grenzschicht-niveaumessung Expired - Fee Related DE69709896T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
DE69709896T2 (de) Grenzschicht-niveaumessung
RU99109118A (ru) Устройство, реагирующее на уровень поверхности раздела материала
US3695107A (en) Method of measuring the level of a material in a tank, and an apparatus for practicing this method
US4489601A (en) Apparatus and method of measuring the level of a liquid
US5400651A (en) Apparatus for interface measurement in a storage tank
US5656774A (en) Apparatus and method for sensing fluid level
EP0307930B1 (de) Pegelmessung für Speichersilos
EP1588193B1 (de) Systeme und verfahren zur messung desspezifischen widerstands
JPS57179745A (en) Method and device for measuring material property by ultrasonic wave
WO1998024013A3 (en) Material interface level sensing
CA2886391A1 (en) Emulsion measurement and profiling system and method
ES2180067T3 (es) Aparato de medicion de la impedancia de una estructura resonante.
ES2175189T3 (es) Procedimiento y dispositivo para determinar un nivel de liquido con ayuda de impulsos de ultrasonidos.
US5804976A (en) Device for determining the ratio of substances
CA2314213A1 (en) Device for measuring the material level in a vessel
GB2148513A (en) Device for measuring moisture contained in the skin or the like
US5651285A (en) Liquid level sensor having a plunger core
US5031451A (en) Fluid level monitor
IE802240L (en) Carcass grading device
AU9403498A (en) Nondestructive testing of dielectric materials
KR830005569A (ko) 초음파 검출장치
RU2279666C1 (ru) Способ определения объемного влагосодержания обводненного нефтепродукта, заполняющего металлический сосуд
SU679798A1 (ru) Способ измерени наклонов морской поверхности
SU1636796A2 (ru) Устройство дл измерени характеристик диэлектрических материалов
SE8500681L (sv) Objektdetekteringsanordning av reflektionstyp

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee