FR2238920A1 - - Google Patents
Info
- Publication number
- FR2238920A1 FR2238920A1 FR7425222A FR7425222A FR2238920A1 FR 2238920 A1 FR2238920 A1 FR 2238920A1 FR 7425222 A FR7425222 A FR 7425222A FR 7425222 A FR7425222 A FR 7425222A FR 2238920 A1 FR2238920 A1 FR 2238920A1
- 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.)
- Granted
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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/261—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Continuous Casting (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1947940A SU494615A1 (ru) | 1973-07-23 | 1973-07-23 | Индукционный бесконтактный датчик уровн жидких металлов |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2238920A1 true FR2238920A1 (enrdf_load_stackoverflow) | 1975-02-21 |
FR2238920B1 FR2238920B1 (enrdf_load_stackoverflow) | 1976-10-22 |
Family
ID=20561142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7425222A Expired FR2238920B1 (enrdf_load_stackoverflow) | 1973-07-23 | 1974-07-19 |
Country Status (5)
Country | Link |
---|---|
FR (1) | FR2238920B1 (enrdf_load_stackoverflow) |
GB (1) | GB1471480A (enrdf_load_stackoverflow) |
IT (1) | IT1036543B (enrdf_load_stackoverflow) |
SE (1) | SE403185B (enrdf_load_stackoverflow) |
SU (1) | SU494615A1 (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010539A1 (de) * | 1978-10-25 | 1980-04-30 | Arbed S.A. | Verfahren zur Messung des Füllstandes von flüssigen Metallen in Gefässen, insbesondere in Stranggiesskokillen |
FR2448131A1 (fr) * | 1979-01-31 | 1980-08-29 | Inst Elektroswarki Patona | Capteur de niveau de metal liquide a induction |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3541967A1 (de) * | 1985-11-27 | 1987-06-04 | Interatom | Flacher induktiver fuellstandsfuehler fuer fluessige metalle |
US5232043A (en) * | 1989-03-14 | 1993-08-03 | Leybold Aktiengesellschaft | Device for identifying the solid-liquid interface of a melt |
DE3908199A1 (de) * | 1989-03-14 | 1990-09-27 | Leybold Ag | Vorrichtung zur identifizierung der erstarrungsfront einer schmelze |
AU2010298385B2 (en) * | 2009-09-22 | 2014-03-27 | Adem, Llc | Impedance sensing systems and methods for use in measuring constituents in solid and fluid objects |
RU2456118C1 (ru) * | 2011-03-31 | 2012-07-20 | Сергей Маркович Нехамин | Способ контроля уровня жидкой металлической или шлаковой ванны в кристаллизаторе и устройство для его осуществления |
US9528814B2 (en) | 2011-05-19 | 2016-12-27 | NeoVision, LLC | Apparatus and method of using impedance resonance sensor for thickness measurement |
US9465089B2 (en) | 2011-12-01 | 2016-10-11 | Neovision Llc | NMR spectroscopy device based on resonance type impedance (IR) sensor and method of NMR spectra acquisition |
US8952708B2 (en) | 2011-12-02 | 2015-02-10 | Neovision Llc | Impedance resonance sensor for real time monitoring of different processes and methods of using same |
-
1973
- 1973-07-23 SU SU1947940A patent/SU494615A1/ru active
-
1974
- 1974-07-19 FR FR7425222A patent/FR2238920B1/fr not_active Expired
- 1974-07-19 SE SE7409453A patent/SE403185B/xx not_active IP Right Cessation
- 1974-07-19 GB GB3218574A patent/GB1471480A/en not_active Expired
- 1974-07-23 IT IT4165174A patent/IT1036543B/it active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010539A1 (de) * | 1978-10-25 | 1980-04-30 | Arbed S.A. | Verfahren zur Messung des Füllstandes von flüssigen Metallen in Gefässen, insbesondere in Stranggiesskokillen |
FR2448131A1 (fr) * | 1979-01-31 | 1980-08-29 | Inst Elektroswarki Patona | Capteur de niveau de metal liquide a induction |
Also Published As
Publication number | Publication date |
---|---|
GB1471480A (en) | 1977-04-27 |
SE403185B (sv) | 1978-07-31 |
FR2238920B1 (enrdf_load_stackoverflow) | 1976-10-22 |
IT1036543B (it) | 1979-10-30 |
SE7409453L (sv) | 1975-01-24 |
SU494615A1 (ru) | 1975-12-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |