FI952784A0 - Measurement method and equipment for determining interfaces - Google Patents
Measurement method and equipment for determining interfacesInfo
- Publication number
- FI952784A0 FI952784A0 FI952784A FI952784A FI952784A0 FI 952784 A0 FI952784 A0 FI 952784A0 FI 952784 A FI952784 A FI 952784A FI 952784 A FI952784 A FI 952784A FI 952784 A0 FI952784 A0 FI 952784A0
- Authority
- FI
- Finland
- Prior art keywords
- equipment
- measurement method
- determining interfaces
- interfaces
- determining
- Prior art date
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
-
- 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
- G01F23/0023—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 with a probe suspended by a wire or thread
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI952784A FI97829C (en) | 1995-06-07 | 1995-06-07 | Measurement method and equipment for determining interfaces |
GB9611346A GB2301890A (en) | 1995-06-07 | 1996-05-31 | Ultrasonic liquid interface detector |
NO962274A NO962274L (en) | 1995-06-07 | 1996-06-03 | Method and apparatus for detecting boundary layers |
FR9607058A FR2735228B1 (en) | 1995-06-07 | 1996-06-07 | MEASURING METHOD AND APPARATUS FOR DETECTING INTERFACES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI952784A FI97829C (en) | 1995-06-07 | 1995-06-07 | Measurement method and equipment for determining interfaces |
FI952784 | 1995-06-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI952784A0 true FI952784A0 (en) | 1995-06-07 |
FI97829B FI97829B (en) | 1996-11-15 |
FI97829C FI97829C (en) | 1997-02-25 |
Family
ID=8543554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI952784A FI97829C (en) | 1995-06-07 | 1995-06-07 | Measurement method and equipment for determining interfaces |
Country Status (4)
Country | Link |
---|---|
FI (1) | FI97829C (en) |
FR (1) | FR2735228B1 (en) |
GB (1) | GB2301890A (en) |
NO (1) | NO962274L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005054203A1 (en) * | 2005-11-14 | 2007-05-16 | Siemens Ag | Device for determining the position of at least one phase boundary by evaluation of sound signals |
US20070255458A1 (en) * | 2006-04-28 | 2007-11-01 | Haslem Keith R | System and method for managing stratified liquids in storage tanks |
WO2007142933A2 (en) * | 2006-05-31 | 2007-12-13 | Giraffe Liquid Management Systems, Inc. | Liquid level detectors and systems for use |
GB2472083A (en) * | 2009-07-24 | 2011-01-26 | Wayne Rudd | Apparatus and methods for determining the location of an interface in a medium |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1361052A (en) * | 1971-07-09 | 1974-07-24 | Radun Controls Ltd | Transducer devices |
DE2508297A1 (en) * | 1975-02-26 | 1976-09-09 | Interatom | ULTRASONIC LEVEL SENSOR FOR LIQUIDS AND THEIR APPLICATION |
NO150532C (en) * | 1981-05-22 | 1984-10-31 | Bjoern R Hope | DEVICE FOR LEVELS. |
FR2540247B1 (en) * | 1983-01-31 | 1985-09-27 | Elf France | METHOD AND APPARATUS FOR DETECTING CHANGES IN COMPOSITION WITHIN A MEDIUM USING ULTRASOUND |
DE4011923A1 (en) * | 1990-04-12 | 1991-10-17 | Blohm & Voss Int | METHOD FOR DETECTING PHASE INTERFACES OR LAYERS OF DIFFERENT IMMiscible LIQUIDS, SEPARATELY SEPARATING LIQUIDS |
FR2661001A1 (en) * | 1991-04-11 | 1991-10-18 | Blohm & Voss Int | Method for detecting boundary surfaces of immiscible liquid phases |
CN1045658C (en) * | 1991-07-29 | 1999-10-13 | 基·雷/森索尔有限公司 | Time gate ultrasonic sensor and method |
DE9215290U1 (en) * | 1991-11-13 | 1993-03-18 | ZF Hurth Bahntechnik GmbH, 80809 München | Gear transmission |
-
1995
- 1995-06-07 FI FI952784A patent/FI97829C/en active
-
1996
- 1996-05-31 GB GB9611346A patent/GB2301890A/en not_active Withdrawn
- 1996-06-03 NO NO962274A patent/NO962274L/en unknown
- 1996-06-07 FR FR9607058A patent/FR2735228B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI97829C (en) | 1997-02-25 |
NO962274D0 (en) | 1996-06-03 |
FR2735228B1 (en) | 1997-10-31 |
NO962274L (en) | 1996-12-09 |
GB2301890A (en) | 1996-12-18 |
FI97829B (en) | 1996-11-15 |
GB9611346D0 (en) | 1996-08-07 |
FR2735228A1 (en) | 1996-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application |