DE69008955T2 - Detektor zur Anzeige einer Flüssigkeit unter Verwendung eines zusammengesetzten Wellenleiters sowie einer elastischen Welle. - Google Patents
Detektor zur Anzeige einer Flüssigkeit unter Verwendung eines zusammengesetzten Wellenleiters sowie einer elastischen Welle.Info
- Publication number
- DE69008955T2 DE69008955T2 DE69008955T DE69008955T DE69008955T2 DE 69008955 T2 DE69008955 T2 DE 69008955T2 DE 69008955 T DE69008955 T DE 69008955T DE 69008955 T DE69008955 T DE 69008955T DE 69008955 T2 DE69008955 T2 DE 69008955T2
- Authority
- DE
- Germany
- Prior art keywords
- value
- cylindrical
- detector
- waveguide
- displaying
- 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
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
- G01F23/296—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
-
- 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)
- 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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Geophysics And Detection Of Objects (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8909805A FR2650080B1 (fr) | 1989-07-20 | 1989-07-20 | Detecteur de la presence d'un liquide a guide composite d'ondes elastiques |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69008955D1 DE69008955D1 (de) | 1994-06-23 |
DE69008955T2 true DE69008955T2 (de) | 1994-11-03 |
Family
ID=9383988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69008955T Expired - Lifetime DE69008955T2 (de) | 1989-07-20 | 1990-07-19 | Detektor zur Anzeige einer Flüssigkeit unter Verwendung eines zusammengesetzten Wellenleiters sowie einer elastischen Welle. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5099454A (de) |
EP (1) | EP0409732B1 (de) |
AT (1) | ATE105933T1 (de) |
DE (1) | DE69008955T2 (de) |
DK (1) | DK0409732T3 (de) |
ES (1) | ES2056407T3 (de) |
FR (1) | FR2650080B1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3008991B2 (ja) * | 1991-02-14 | 2000-02-14 | 株式会社ノーケン | 振動式レベル検出装置 |
CN1045658C (zh) * | 1991-07-29 | 1999-10-13 | 基·雷/森索尔有限公司 | 带有自动自测功能的探测方法及其超声探测器 |
US5330073A (en) * | 1993-04-15 | 1994-07-19 | Boston Advanced Technologies, Inc. | Gasoline dispenser leak detectors and automatic shut-off systems |
FR2719113B1 (fr) * | 1994-04-26 | 1996-07-12 | Auxitrol Sa | Capteur de niveau de liquide à noyau plongeur. |
US5533402A (en) * | 1994-05-11 | 1996-07-09 | Artann Corporation | Method and apparatus for measuring acoustic parameters in liquids using cylindrical ultrasonic standing waves |
US5895848A (en) * | 1996-01-16 | 1999-04-20 | Flowline Inc. | Apparatus and method for level sensing in a container |
EP0903563B1 (de) * | 1997-09-22 | 2006-11-02 | Endress + Hauser GmbH + Co. KG | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
US7216536B2 (en) | 2001-06-22 | 2007-05-15 | Young Manufacturing & Engineering, Inc. | Acoustic volume indicator |
US6915689B2 (en) * | 2002-11-21 | 2005-07-12 | Saab Rosemount Tank Radar Ab | Apparatus and method for radar-based level gauging |
DE10331730A1 (de) | 2003-07-11 | 2005-01-27 | Endress + Hauser Gmbh + Co. Kg | Feldgerät zur Bestimmung und/oder Überwachung einer Prozessgröße |
US7098669B2 (en) * | 2003-10-01 | 2006-08-29 | Flowline, Inc. | Depth determining system |
EP1923145A1 (de) * | 2006-11-15 | 2008-05-21 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | Fern-Ultraschallwandlersystem |
EP2215452B1 (de) * | 2007-11-09 | 2016-09-28 | Hach Company | Automatisches optisches messsystem und -verfahren |
DE102010038535A1 (de) * | 2010-07-28 | 2012-02-02 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Bestimmung und/oder Überwachung eines vorgegebenen Füllstands |
US8681128B2 (en) * | 2011-10-14 | 2014-03-25 | Elo Touch Solutions, Inc. | Acoustic touch apparatus |
WO2014043356A1 (en) * | 2012-09-12 | 2014-03-20 | Street Smart Sensors Llc | Acoustic flexural order level sensor |
CN111380595B (zh) * | 2020-03-29 | 2021-02-23 | 华中科技大学 | 一种基于声速差的盐穴储气库气液界面测量方法和系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679430A (en) * | 1983-03-30 | 1987-07-14 | United Kingdom Atomic Energy Authority | Ultrasonic liquid interface detector |
SE441306B (sv) * | 1984-04-25 | 1985-09-23 | Saab Marine Electronics | Sett och anordning for metning av nivan hos ett i en behallare forvarat flytande material |
DE3516198A1 (de) * | 1985-05-06 | 1986-11-06 | Schittek, Margarete, 2805 Stuhr | Einrichtung zur fuellstandskontrolle |
FR2596515B1 (fr) * | 1986-03-28 | 1992-07-03 | Univ Paris Curie | Capteur de niveau de liquide a ondes elastiques guidees |
FR2617965B1 (fr) * | 1987-07-10 | 1992-03-13 | Univ Paris Curie | Dispositif a ondes elastiques guidees pour la detection de la presence d'un liquide |
-
1989
- 1989-07-20 FR FR8909805A patent/FR2650080B1/fr not_active Expired - Lifetime
-
1990
- 1990-07-19 DE DE69008955T patent/DE69008955T2/de not_active Expired - Lifetime
- 1990-07-19 EP EP90402080A patent/EP0409732B1/de not_active Expired - Lifetime
- 1990-07-19 ES ES90402080T patent/ES2056407T3/es not_active Expired - Lifetime
- 1990-07-19 US US07/555,302 patent/US5099454A/en not_active Expired - Lifetime
- 1990-07-19 DK DK90402080.7T patent/DK0409732T3/da active
- 1990-07-19 AT AT90402080T patent/ATE105933T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5099454A (en) | 1992-03-24 |
EP0409732B1 (de) | 1994-05-18 |
FR2650080A1 (fr) | 1991-01-25 |
ATE105933T1 (de) | 1994-06-15 |
ES2056407T3 (es) | 1994-10-01 |
EP0409732A1 (de) | 1991-01-23 |
DE69008955D1 (de) | 1994-06-23 |
FR2650080B1 (fr) | 1991-11-08 |
DK0409732T3 (da) | 1994-09-05 |
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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: ENRAF AUXITROL MARINE, SAINT-CLOUD, FR |