FR2302510B1 - - Google Patents
Info
- Publication number
- FR2302510B1 FR2302510B1 FR7605282A FR7605282A FR2302510B1 FR 2302510 B1 FR2302510 B1 FR 2302510B1 FR 7605282 A FR7605282 A FR 7605282A FR 7605282 A FR7605282 A FR 7605282A FR 2302510 B1 FR2302510 B1 FR 2302510B1
- Authority
- FR
- France
- 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
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
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)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752508297 DE2508297A1 (de) | 1975-02-26 | 1975-02-26 | Ultraschall-fuellstandfuehler fuer fluessigkeiten und dessen anwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2302510A1 FR2302510A1 (fr) | 1976-09-24 |
| FR2302510B1 true FR2302510B1 (https=) | 1977-11-18 |
Family
ID=5939865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7605282A Granted FR2302510A1 (fr) | 1975-02-26 | 1976-02-25 | Detecteur de niveaux a ultrasons pour liquides et ses applications |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS51109870A (https=) |
| BR (1) | BR7601206A (https=) |
| DE (1) | DE2508297A1 (https=) |
| FR (1) | FR2302510A1 (https=) |
| GB (1) | GB1524303A (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5244853A (en) * | 1976-09-16 | 1977-04-08 | Kyowa Gas Chem Ind Co Ltd | Hydrophilic copolymer coating compositions |
| DE2947463C2 (de) * | 1979-11-24 | 1986-07-31 | Wolfgang Dipl.-Ing. 8871 Rettenbach Stang | Sicherheitsanordnung für eine flüssigkeitsgekühlte Kernkraftwerksanlage |
| FR2494484B1 (fr) * | 1980-11-20 | 1985-08-23 | Framatome Sa | Dispositif de detection de phase gazeuse dans un reacteur nucleaire |
| DE4011923A1 (de) * | 1990-04-12 | 1991-10-17 | Blohm & Voss Int | Verfahren zur detektion von phasengrenzflaechen oder schichtungen von unterschiedlichen nicht mischbaren und sich durch schwerkraftseparation trennenden fluessigkeiten |
| FI97829C (fi) * | 1995-06-07 | 1997-02-25 | Acutest Oy | Mittausmenetelmä ja -laitteisto rajapintojen määrittämiseksi |
| GB0118320D0 (en) * | 2001-07-27 | 2001-09-19 | Ici Plc | Level measurement |
| GB0722256D0 (en) | 2007-11-13 | 2007-12-27 | Johnson Matthey Plc | Level measurement system |
| US10151618B2 (en) * | 2014-01-24 | 2018-12-11 | Versum Materials Us, Llc | Ultrasonic liquid level sensing systems |
| GB2578819B (en) | 2018-10-01 | 2022-10-26 | Johnson Matthey Plc | An apparatus for determining a density profile of a fluid column |
| GB201914141D0 (en) | 2019-10-01 | 2019-11-13 | Johnson Matthey Plc | An apparatus for determining a vertical level or density of a material column |
| GB202007838D0 (en) | 2020-05-26 | 2020-07-08 | Johnson Matthey Plc | An apparatus for profiling a material column |
-
1975
- 1975-02-26 DE DE19752508297 patent/DE2508297A1/de not_active Withdrawn
-
1976
- 1976-02-17 GB GB624576A patent/GB1524303A/en not_active Expired
- 1976-02-25 BR BR7601206A patent/BR7601206A/pt unknown
- 1976-02-25 FR FR7605282A patent/FR2302510A1/fr active Granted
- 1976-02-26 JP JP51020552A patent/JPS51109870A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51109870A (en) | 1976-09-29 |
| FR2302510A1 (fr) | 1976-09-24 |
| BR7601206A (pt) | 1977-09-06 |
| GB1524303A (en) | 1978-09-13 |
| DE2508297A1 (de) | 1976-09-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |