DE68903557D1 - Geraet zur ueberwachung eines fluidfuellstandes. - Google Patents

Geraet zur ueberwachung eines fluidfuellstandes.

Info

Publication number
DE68903557D1
DE68903557D1 DE8989310853T DE68903557T DE68903557D1 DE 68903557 D1 DE68903557 D1 DE 68903557D1 DE 8989310853 T DE8989310853 T DE 8989310853T DE 68903557 T DE68903557 T DE 68903557T DE 68903557 D1 DE68903557 D1 DE 68903557D1
Authority
DE
Germany
Prior art keywords
fluid level
transducers
stress waves
tank
detected
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 - Lifetime
Application number
DE8989310853T
Other languages
English (en)
Other versions
DE68903557T2 (de
Inventor
Trevor James Holroyd
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.)
Rolls Royce DSV Ltd
Original Assignee
Stresswave Technlogy Ltd
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 Technlogy Ltd filed Critical Stresswave Technlogy Ltd
Publication of DE68903557D1 publication Critical patent/DE68903557D1/de
Application granted granted Critical
Publication of DE68903557T2 publication Critical patent/DE68903557T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Fluid Pressure (AREA)
DE8989310853T 1988-12-03 1989-10-20 Geraet zur ueberwachung eines fluidfuellstandes. Expired - Fee Related DE68903557T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888828282A GB8828282D0 (en) 1988-12-03 1988-12-03 Fluid level monitor

Publications (2)

Publication Number Publication Date
DE68903557D1 true DE68903557D1 (de) 1992-12-24
DE68903557T2 DE68903557T2 (de) 1993-04-01

Family

ID=10647927

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989310853T Expired - Fee Related DE68903557T2 (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)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349994A (en) * 1990-09-28 1994-09-27 Dover Corporation Control system for filling tanks with liquids
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
DE69527566T2 (de) 1994-04-06 2003-04-10 Simmonds Precision Products 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
US6023970A (en) * 1995-08-04 2000-02-15 Blaine; David H. Disposable electromagnetic fluid sensor
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
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
US7162922B2 (en) * 2003-12-23 2007-01-16 Freger David I Non-invasive method for detecting and measuring filling material in vessels
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
WO2008063725A2 (en) * 2006-08-23 2008-05-29 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
EP2051755B1 (de) 2007-08-23 2010-07-07 Mallinckrodt, Inc. Erkennung eines spritzeninhalts über hf-energie
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
WO2010034715A2 (en) * 2008-09-23 2010-04-01 Hochschule Für Angewandte Wissenschaften Fachhochschule Coburg Method for investigating a structure and structure for receiving and/or conducting a liquid or soft medium
US8120500B2 (en) * 2008-12-08 2012-02-21 Ecolab Inc. Acoustic fluid presence/absence detection
CN102713534B (zh) * 2010-10-15 2013-11-20 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
EP2954317A4 (de) 2013-02-06 2016-10-12 Ultimo Measurement Llc Nichtinvasives verfahren und vorrichtung zur messung der physikalischen eigenschaften von freistrommaterialien in gefässen
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
WO2020243628A1 (en) 2019-05-31 2020-12-03 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
US11729537B2 (en) 2020-12-02 2023-08-15 Perceptive Sensor Technologies, Inc. Variable angle transducer interface block
EP4256283A1 (de) 2020-12-04 2023-10-11 Perceptive Sensor Technologies, Inc. Vorrichtung, system und verfahren zur detektion von objekten und aktivität in einem behälter
US11549839B2 (en) 2020-12-04 2023-01-10 Perceptive Sensor Technologies, Inc. Systems and methods for determining floating roof level tilt and characterizing runoff
WO2022120265A1 (en) 2020-12-04 2022-06-09 Perceptive Sensor Technologies, Inc. In-wall multi-bounce material property detection and acoustic signal amplification
CA3201100A1 (en) 2020-12-04 2022-06-09 Lazar Bivolarsky Multi-bounce acoustic signal material detection
US11788904B2 (en) 2020-12-04 2023-10-17 Perceptive Sensor Technologies, Inc. Acoustic temperature measurement in layered environments
EP4256317A1 (de) 2020-12-04 2023-10-11 Perceptive Sensor Technologies, Inc. Verbesserung akustischer mehrwegsignale zur materialdetektion
CA3201085A1 (en) 2020-12-04 2022-06-09 Lazar Bivolarsky Acoustic temperature measurement in layered environments
US11604294B2 (en) 2020-12-04 2023-03-14 Perceptive Sensor Technologies, Inc. Determining layer characteristics in multi-layered environments
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1144517A (en) * 1911-09-15 1915-06-29 Charles E Downing Junction-box.
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
US4182177A (en) * 1978-05-19 1980-01-08 Kamyr, Incorporated Sound emission level detection
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
GB8828282D0 (en) 1989-01-05
ATE82634T1 (de) 1992-12-15
EP0372700B1 (de) 1992-11-19
ES2035578T3 (es) 1993-04-16
US5015995A (en) 1991-05-14
EP0372700A1 (de) 1990-06-13
JPH02212795A (ja) 1990-08-23
DE68903557T2 (de) 1993-04-01

Similar Documents

Publication Publication Date Title
DE68903557D1 (de) Geraet zur ueberwachung eines fluidfuellstandes.
AU551048B2 (en) Detecting the presence of liquid
SE8205884L (sv) Forfarande och anordning for metning av stromningshastigheten av en suspensionsstromning genom utnyttjande av ultraljud
CA2187844A1 (en) Device for Monitoring a Predetermined Level of a Liquid in a Container
ES489802A1 (es) Perfeccionamientos en dispositivos para la medicion no inva-siva de la velocidad del flujo sanguineo
EP0707205A3 (de) Apparat zur Erfassung von Unregelmässigkeiten eines Überwachten Volumens
KR910001386A (ko) 유속측정방법 및 그 장치
DE3771912D1 (de) Durchflussueberwachung.
FI931672A0 (fi) Menetelmä ja laite antennin kunnon valvomiseksi
EP0382977A3 (de) Flüssigkeitsniveauanzeiger
US3805224A (en) Method and apparatus for monitoring biological activity
ATE25773T1 (de) Verfahren und vorrichtung zum nachweis von blasen in einer fluessigkeit.
ATE19827T1 (de) Vorrichtung zum anzeigen von aenderungen der akustischen eigenschaften einer uebergangsebene.
ES484972A1 (es) Perfeccionamientos en columnas de mando para detectar altu- ras de nivel de llenado en recipientes de liquido a presion de instalaciones acumuladoras de presion
ATE121175T1 (de) Überwachung von rückschlagventilen.
KR960035013A (ko) 초음파를 이용한 고무의 반발탄성 측정장치
EP0351384A3 (de) Gerät zur Messung der Kavitation oder der Siedegeschwindigkeit in einer Flüssigkeit
JPS56125625A (en) Ultrasonic liquid level gage
JPH0323360U (de)
JPS641994A (en) Measuring method for wave height
JPH10122936A (ja) 界面計
ATE30777T1 (de) Verfahren und vorrichtung zum ueberpruefen und/oder kalibrieren von akustischen ueberwachungseinrichtungen.
JPH03119759U (de)
EP0359993A3 (de) Warneinrichtung zur Erkennung von Schäden an sich bewegenden Teilen
JPS57155851A (en) Method and apparatus for ultrasonic wave reception

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ROLLS-ROYCE DSV LTD., DERBY, GB

8339 Ceased/non-payment of the annual fee