AU655979B2 - Process and device for measuring and monitoring liquid level, based on a fixed reference point, by using ultrasonic waves - Google Patents
Process and device for measuring and monitoring liquid level, based on a fixed reference point, by using ultrasonic wavesInfo
- Publication number
- AU655979B2 AU655979B2 AU15433/92A AU1543392A AU655979B2 AU 655979 B2 AU655979 B2 AU 655979B2 AU 15433/92 A AU15433/92 A AU 15433/92A AU 1543392 A AU1543392 A AU 1543392A AU 655979 B2 AU655979 B2 AU 655979B2
- Authority
- AU
- Australia
- Prior art keywords
- measuring
- liquid level
- reference point
- ultrasonic waves
- fixed reference
- 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.)
- Ceased
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
- G01F23/2962—Measuring transit time of reflected waves
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9101654A FR2672678A1 (en) | 1991-02-13 | 1991-02-13 | METHOD AND DEVICE FOR MEASURING AND MONITORING THE LEVEL OF A LIQUID, FROM A FIXED MARK, USING ULTRASOUND. |
FR9101654 | 1991-02-13 | ||
PCT/FR1992/000136 WO1992014996A1 (en) | 1991-02-13 | 1992-02-13 | Process and device for measuring and monitoring liquid level, based on a fixed reference point, by using ultrasonic waves |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1543392A AU1543392A (en) | 1992-09-15 |
AU655979B2 true AU655979B2 (en) | 1995-01-19 |
Family
ID=9409650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU15433/92A Ceased AU655979B2 (en) | 1991-02-13 | 1992-02-13 | Process and device for measuring and monitoring liquid level, based on a fixed reference point, by using ultrasonic waves |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0571519B1 (en) |
AU (1) | AU655979B2 (en) |
ES (1) | ES2062893T3 (en) |
FR (1) | FR2672678A1 (en) |
WO (1) | WO1992014996A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9206202D0 (en) * | 1992-03-21 | 1992-05-06 | Smiths Industries Plc | Liquid-level gauging |
GB9502087D0 (en) * | 1995-02-02 | 1995-03-22 | Croma Dev Ltd | Improvements relating to pulse echo distance measurement |
GB9800533D0 (en) * | 1998-01-13 | 1998-03-11 | Saw Technologies Ltd | Method and apparatus for detecting an interface |
RU2193164C1 (en) | 2001-10-05 | 2002-11-20 | Балин Николай Иванович | Liquid level measuring device (versions) |
CN101636666A (en) * | 2007-02-21 | 2010-01-27 | 感测技术股份有限公司 | Fluid level measuring method and the system that is used for this method |
US7525476B1 (en) * | 2007-11-13 | 2009-04-28 | Rosemount Tank Radar Ab | System and method for filling level determination |
US7924216B2 (en) * | 2008-04-30 | 2011-04-12 | Rosemount Tank Radar Ab | Method of determining a disturbance echo profile for a radar level gauge system |
US8902704B2 (en) | 2010-03-22 | 2014-12-02 | Rohol-Aufsuchungs Ag | Method and device for logging the fluid depth in a wellbore |
EA016638B1 (en) * | 2010-03-31 | 2012-06-29 | Роэль-Ауфзухунгс Аг | Method and device for logging the fluid depth in a wellbore |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934186A (en) * | 1987-09-29 | 1990-06-19 | Mccoy James N | Automatic echo meter |
EP0384373A1 (en) * | 1989-02-23 | 1990-08-29 | ERIKSSON, Bror Allan | Method and apparatus for testing liquid fillings in tanks |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE878723C (en) * | 1953-04-23 | Atlas Werke Ag | Device for distance measurement using the echo method, in particular for indicating the level of liquids in containers | |
EP0106677B1 (en) * | 1982-10-14 | 1990-07-18 | Gilbarco Inc. | Tank gauging system and methods |
DE3724411A1 (en) * | 1987-07-23 | 1989-02-02 | Messerschmitt Boelkow Blohm | Device for continuous measurement of filling levels |
-
1991
- 1991-02-13 FR FR9101654A patent/FR2672678A1/en not_active Withdrawn
-
1992
- 1992-02-13 EP EP92906651A patent/EP0571519B1/en not_active Expired - Lifetime
- 1992-02-13 WO PCT/FR1992/000136 patent/WO1992014996A1/en active IP Right Grant
- 1992-02-13 AU AU15433/92A patent/AU655979B2/en not_active Ceased
- 1992-02-13 ES ES92906651T patent/ES2062893T3/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934186A (en) * | 1987-09-29 | 1990-06-19 | Mccoy James N | Automatic echo meter |
EP0384373A1 (en) * | 1989-02-23 | 1990-08-29 | ERIKSSON, Bror Allan | Method and apparatus for testing liquid fillings in tanks |
Also Published As
Publication number | Publication date |
---|---|
WO1992014996A1 (en) | 1992-09-03 |
AU1543392A (en) | 1992-09-15 |
ES2062893T3 (en) | 1994-12-16 |
FR2672678A1 (en) | 1992-08-14 |
EP0571519B1 (en) | 1994-07-27 |
EP0571519A1 (en) | 1993-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |