ATE82634T1 - Geraet zur ueberwachung eines fluidfuellstandes. - Google Patents

Geraet zur ueberwachung eines fluidfuellstandes.

Info

Publication number
ATE82634T1
ATE82634T1 AT89310853T AT89310853T ATE82634T1 AT E82634 T1 ATE82634 T1 AT E82634T1 AT 89310853 T AT89310853 T AT 89310853T AT 89310853 T AT89310853 T AT 89310853T AT E82634 T1 ATE82634 T1 AT E82634T1
Authority
AT
Austria
Prior art keywords
transducers
fluid level
stress waves
tank
detected
Prior art date
Application number
AT89310853T
Other languages
English (en)
Inventor
Trevor James Holroyd
Original Assignee
Stresswave Tech
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 Stresswave Tech filed Critical Stresswave Tech
Application granted granted Critical
Publication of ATE82634T1 publication Critical patent/ATE82634T1/de

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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/908—Material level detection, e.g. liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Sampling And Sample Adjustment (AREA)
AT89310853T 1988-12-03 1989-10-20 Geraet zur ueberwachung eines fluidfuellstandes. ATE82634T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888828282A GB8828282D0 (en) 1988-12-03 1988-12-03 Fluid level monitor
EP89310853A EP0372700B1 (de) 1988-12-03 1989-10-20 Gerät zur Überwachung eines Fluidfüllstandes

Publications (1)

Publication Number Publication Date
ATE82634T1 true ATE82634T1 (de) 1992-12-15

Family

ID=10647927

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89310853T ATE82634T1 (de) 1988-12-03 1989-10-20 Geraet zur ueberwachung eines fluidfuellstandes.

Country Status (7)

Country Link
US (1) US5015995A (de)
EP (1) EP0372700B1 (de)
JP (1) JPH02212795A (de)
AT (1) ATE82634T1 (de)
DE (1) DE68903557T2 (de)
ES (1) ES2035578T3 (de)
GB (1) GB8828282D0 (de)

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US5119676A (en) * 1991-09-03 1992-06-09 The Babcock & Wilcox Company Ultrasonic method and apparatus for determining water level in a closed vessel
US5351036A (en) * 1991-12-10 1994-09-27 Clark-Reliance Corporation Microwave-based point liquid level monitoring system
US5602533A (en) * 1993-10-04 1997-02-11 Boverio; Antonello Device for sensing a state change in a mechanical system, method for monitoring the state of a mechanical system and use of said device
US5519638A (en) * 1994-02-07 1996-05-21 United Microelectronics Corporation Automatic system for monitoring and replenishing hazardous liquids in tanks
EP0676624B1 (de) 1994-04-06 2002-07-31 Simmonds Precision Products Inc. Flüssigkeitsniveau-Ultraschall-Fühler ohne Ruherohr
US6053041A (en) * 1995-02-27 2000-04-25 The Regents Of The University Of California Noninvasive method for determining the liquid level and density inside of a container
US6192752B1 (en) 1995-08-04 2001-02-27 Zevex, Inc. Noninvasive electromagnetic fluid level sensor
US5789675A (en) * 1995-08-04 1998-08-04 Zevex, Inc. Disposable electromagnetic fluid level sensor
US6023970A (en) * 1995-08-04 2000-02-15 Blaine; David H. Disposable electromagnetic fluid sensor
US6192751B1 (en) * 1997-11-18 2001-02-27 Scientific Solutions, Inc. Non-invasive low frequency elastic wave fluid level sensing system for sludge laden environments
DE19961856A1 (de) * 1999-12-22 2001-06-28 Endress Hauser Gmbh Co Prismen-Lambwellensensor
JP2002022521A (ja) * 2000-07-06 2002-01-23 Daikin Ind Ltd 液位検出装置の校正方法およびその装置
US6631639B1 (en) 2001-09-07 2003-10-14 Cosense, Inc System and method of non-invasive discreet, continuous and multi-point level liquid sensing using flexural waves
EP1709149A4 (de) * 2003-12-23 2008-03-26 Inesa Inc Nichtinvasives verfahren für nachweis und messung von füllstoffen in gefässen
TWI243385B (en) * 2004-09-17 2005-11-11 Inst Nuclear Energy Res Aec Non-destructive defect-inspection method of protection sheath for nuclear fuel
US7305875B1 (en) 2005-03-31 2007-12-11 Gerald Pindus Method and apparatus for measuring the volume of fuel in a tank
US7421895B1 (en) 2005-04-21 2008-09-09 Caldwell Joseph W Fluid level measuring system
US20080047350A1 (en) * 2006-08-23 2008-02-28 University Of Washington Use of ultrasound for monitoring security of shipping containers
US7541969B2 (en) * 2007-05-31 2009-06-02 Rosemount Tank Radar Ab Radar level gauging system for use at sea
US8141417B2 (en) 2007-08-23 2012-03-27 Mallinckrodt Llc Syringe content detection using RF energy
JP2009229355A (ja) * 2008-03-25 2009-10-08 Toshiba Corp 原子炉振動監視装置及びその方法
EP2335062B1 (de) * 2008-09-23 2016-12-14 Hochschule für angewandte Wissenschaften Fachhochschule Coburg Verfahren zur untersuchung einer struktur und struktur zur aufnahme und/oder leitung eines flüssigen oder weichen mediums
US8120500B2 (en) * 2008-12-08 2012-02-21 Ecolab Inc. Acoustic fluid presence/absence detection
WO2012048471A1 (zh) * 2010-10-15 2012-04-19 惠州市卓耐普智能技术有限公司 数字式场感应水位智能传感系统及其实现方法
CN202236824U (zh) * 2011-08-29 2012-05-30 惠州市华阳医疗电子有限公司 具有渗出液流速报警功能的负压伤口治疗系统
US9213121B2 (en) 2012-12-12 2015-12-15 Baker Hughes Incorporated Acoustic sensing system for determining an interface between two materials
US10113994B2 (en) 2013-02-06 2018-10-30 Ultimo Measurement Llc Non-invasive method for measurement of physical properties of free flowing materials in vessels
US9816848B2 (en) 2014-01-23 2017-11-14 Ultimo Measurement Llc Method and apparatus for non-invasively measuring physical properties of materials in a conduit
EP3115753B1 (de) * 2015-07-06 2022-01-05 ABB Schweiz AG System und verfahren zur nicht-invasiven und kontinuierlichen füllstandsmessung einer flüssigkeit
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
CN105588617A (zh) * 2015-12-11 2016-05-18 梁文成 一种仓库水位报警系统
JP7224974B2 (ja) * 2019-03-11 2023-02-20 東芝キヤリア株式会社 液量検出装置
EP3708974B1 (de) * 2019-03-14 2023-06-14 Subaru Corporation Flüssigkeitsstanderfassungsvorrichtung, flüssigkeitsstanderfassungsverfahren und computerlesbares medium mit flüssigkeitsstanderfassungsprogramm
AU2020283140B2 (en) 2019-05-31 2022-04-14 Perceptive Sensor Technologies Llc Non-linear ultrasound method and apparatus for quantitative detection of materials (liquids, gas, plasma)
US11231311B2 (en) 2019-05-31 2022-01-25 Perceptive Sensor Technologies Llc Non-linear ultrasound method and apparatus for quantitative detection of materials
BR112021026282A2 (pt) * 2019-06-26 2022-04-19 Perceptive Sensor Tech Inc Método e aparelho de ultrassom não linear para detecção quantitativa de materiais
WO2022120074A1 (en) 2020-12-02 2022-06-09 Perceptive Sensor Technologies Llc Variable angle transducer interface block
US11536696B2 (en) 2020-12-04 2022-12-27 Perceptive Sensor Technologies, Inc. In-wall multi-bounce material property detection and acoustic signal amplification
US11604294B2 (en) 2020-12-04 2023-03-14 Perceptive Sensor Technologies, Inc. Determining layer characteristics in multi-layered environments
WO2022120257A1 (en) 2020-12-04 2022-06-09 Perceptive Sensor Technologies, Inc. Systems and methods for determining floating roof level tilt and characterizing runoff
US11525809B2 (en) 2020-12-04 2022-12-13 Perceptive Sensor Technologies, Inc. Apparatus, system, and method for the detection of objects and activity within a container
EP4256282A4 (de) 2020-12-04 2025-02-26 Perceptive Sensor Technologies, Inc. Detektion von akustischem signalmaterial mit mehreren aussprechungen
US11788904B2 (en) 2020-12-04 2023-10-17 Perceptive Sensor Technologies, Inc. Acoustic temperature measurement in layered environments
EP4256296A4 (de) 2020-12-04 2025-03-12 Perceptive Sensor Technologies, Inc. Akustische temperaturmessung in geschichteten umgebungen
CN116917729A (zh) 2020-12-04 2023-10-20 感知传感器技术股份有限公司 多路径声学信号在材料检测方面的改进
CN116888468A (zh) 2020-12-30 2023-10-13 感知传感器技术股份有限公司 用信号评估流体质量
US11959791B2 (en) * 2021-12-09 2024-04-16 B/E Aerospace, Inc. Systems and methods for smart point level sensing of waste tank
WO2023154514A1 (en) 2022-02-11 2023-08-17 Perceptive Sensor Technologies, Inc. Acoustic signal detection of material composition in static and dynamic conditions
US20230349747A1 (en) * 2022-04-28 2023-11-02 Simmonds Precision Products, Inc. Guided wave liquid level measurement systems and methods
WO2024091308A1 (en) 2022-07-19 2024-05-02 Perceptive Sensor Technologies, Inc. Acoustic signal material identification with nanotube couplant
US12241321B2 (en) 2022-08-29 2025-03-04 Saudi Arabian Oil Company Retrievable acoustic mud level detector
US12560578B2 (en) * 2023-09-19 2026-02-24 Fresenius Medical Care Holdings, Inc. Ultrasonic detection of bacteria in water of a medical system

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GB1555549A (en) * 1976-07-16 1979-11-14 Vni I Konstrukt I Method of and device for detecting a fluid liquid interface in a container
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DE2850238A1 (de) * 1978-11-20 1980-05-22 Schloemann Siemag Ag Steuersaeule zur erfassung von fuellstandshoehen in druckfluessigkeitsbehaeltern von druckspeicheranlagen
DE3322223A1 (de) * 1982-06-22 1984-01-26 Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi Kaltkammer-druckgussmaschine
US4679430A (en) * 1983-03-30 1987-07-14 United Kingdom Atomic Energy Authority Ultrasonic liquid interface detector
GB2137348B (en) * 1983-03-30 1986-09-24 Atomic Energy Authority Uk Ultrasonic liquid interface detector

Also Published As

Publication number Publication date
DE68903557D1 (de) 1992-12-24
JPH02212795A (ja) 1990-08-23
EP0372700B1 (de) 1992-11-19
DE68903557T2 (de) 1993-04-01
ES2035578T3 (es) 1993-04-16
US5015995A (en) 1991-05-14
EP0372700A1 (de) 1990-06-13
GB8828282D0 (en) 1989-01-05

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee