FR2486652A1 - Sonde de niveau de liquide a effet de capacite - Google Patents
Sonde de niveau de liquide a effet de capacite Download PDFInfo
- Publication number
- FR2486652A1 FR2486652A1 FR8110077A FR8110077A FR2486652A1 FR 2486652 A1 FR2486652 A1 FR 2486652A1 FR 8110077 A FR8110077 A FR 8110077A FR 8110077 A FR8110077 A FR 8110077A FR 2486652 A1 FR2486652 A1 FR 2486652A1
- Authority
- FR
- France
- Prior art keywords
- electrode
- housing
- capacity effect
- level
- liquid level
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title abstract description 7
- 239000000523 sample Substances 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
- G01F23/263—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 by measuring variations in capacitance of capacitors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Electrophonic Musical Instruments (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3026342A DE3026342C2 (de) | 1980-07-11 | 1980-07-11 | Kapazitive Niveausonde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2486652A1 true FR2486652A1 (fr) | 1982-01-15 |
| FR2486652B1 FR2486652B1 (enrdf_load_stackoverflow) | 1985-04-12 |
Family
ID=6106986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8110077A Granted FR2486652A1 (fr) | 1980-07-11 | 1981-05-20 | Sonde de niveau de liquide a effet de capacite |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5749815A (enrdf_load_stackoverflow) |
| DE (1) | DE3026342C2 (enrdf_load_stackoverflow) |
| DK (1) | DK149288C (enrdf_load_stackoverflow) |
| FR (1) | FR2486652A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2079950B (enrdf_load_stackoverflow) |
| HU (1) | HU183510B (enrdf_load_stackoverflow) |
| NO (1) | NO812354L (enrdf_load_stackoverflow) |
| RO (1) | RO81308B (enrdf_load_stackoverflow) |
| SE (1) | SE8103036L (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4118715C2 (de) * | 1991-06-07 | 1995-02-23 | Endress Hauser Gmbh Co | Vorrichtung zur elektrisch isolierten und druckdichten Befestigung einer Sondenelektrode in der Öffnung eines Gehäuses |
| DE4207396A1 (de) * | 1992-03-09 | 1993-09-16 | Gestra Ag | Sonde zur ueberwachung von fluessigkeit |
| DE19507616B4 (de) * | 1995-03-04 | 2007-02-01 | Gestra Ag | Sonde zur Überwachung von Flüssigkeit mit Leckageschutz |
| US5661251A (en) * | 1995-12-19 | 1997-08-26 | Endress + Hauser Gmbh + Co. | Sensor apparatus for process measurement |
| US6118282A (en) * | 1995-12-19 | 2000-09-12 | Endress & Hauser Gmbh & Co. | Sensor apparatus |
| US5827985A (en) * | 1995-12-19 | 1998-10-27 | Endress + Hauser Gmbh + Co. | Sensor apparatus for process measurement |
| US5884231A (en) * | 1995-12-21 | 1999-03-16 | Endress & Hauser Gmbh & Co. | Processor apparatus and method for a process measurement signal |
| US5841666A (en) * | 1995-12-21 | 1998-11-24 | Endress + Hauser Gmbh + Co. | Processor apparatus and method for a process measurement signal |
| DE19756159C1 (de) * | 1997-12-17 | 1999-06-02 | Hiss Eckart | Sensor zur Erfassung des Vorhandenseins elektrisch isolierender Flüssigkeiten oder Granulate |
| US6386055B1 (en) | 1998-01-06 | 2002-05-14 | Endress +Hauser Gmbh +Co. | Sensor apparatus for transmitting electrical pulses from a signal line into and out of a vessel to measure a process variable—in order to be more informative |
| US6559657B1 (en) | 1999-01-13 | 2003-05-06 | Endress+Hauser Gmbh+Co. | Probe mapping diagnostic methods |
| DE10003941A1 (de) * | 2000-01-29 | 2001-08-09 | Endress Hauser Gmbh Co | Füllstandsmeßgerät |
| DE102005025576A1 (de) * | 2005-06-03 | 2006-12-07 | Gestra Ag | Kapazitive Niveausonde |
| DE102014111905B3 (de) * | 2014-08-20 | 2016-01-21 | Endress + Hauser Gmbh + Co. Kg | Rekonditionierung von beschichteten Sensoren |
| EP3228997A1 (de) * | 2016-04-08 | 2017-10-11 | Sick Ag | Sensor und verfahren zum entlüften einer langgestreckten sonde |
| EP3457095B1 (de) | 2017-09-15 | 2019-11-06 | Sick AG | Kapazitiver füllstandsensor und verfahren zur messung des füllstands eines mediums |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405469A1 (fr) * | 1977-10-05 | 1979-05-04 | Endress Hauser Gmbh Co | Dispositif de fixation d'une sonde dans une ouverture d'un recipient |
| FR2470367A1 (enrdf_load_stackoverflow) * | 1979-11-23 | 1981-05-29 | Gerdts Gustav F Kg |
-
1980
- 1980-07-11 DE DE3026342A patent/DE3026342C2/de not_active Expired
-
1981
- 1981-05-14 SE SE8103036A patent/SE8103036L/ not_active Application Discontinuation
- 1981-05-20 FR FR8110077A patent/FR2486652A1/fr active Granted
- 1981-05-27 GB GB8116163A patent/GB2079950B/en not_active Expired
- 1981-07-08 HU HU811981A patent/HU183510B/hu not_active IP Right Cessation
- 1981-07-10 NO NO812354A patent/NO812354L/no unknown
- 1981-07-10 JP JP56107235A patent/JPS5749815A/ja active Pending
- 1981-07-10 DK DK308381A patent/DK149288C/da active
- 1981-07-11 RO RO104848A patent/RO81308B/ro unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405469A1 (fr) * | 1977-10-05 | 1979-05-04 | Endress Hauser Gmbh Co | Dispositif de fixation d'une sonde dans une ouverture d'un recipient |
| FR2470367A1 (enrdf_load_stackoverflow) * | 1979-11-23 | 1981-05-29 | Gerdts Gustav F Kg |
Also Published As
| Publication number | Publication date |
|---|---|
| DK308381A (da) | 1982-01-12 |
| GB2079950B (en) | 1985-03-27 |
| DE3026342C2 (de) | 1982-04-22 |
| JPS5749815A (en) | 1982-03-24 |
| HU183510B (en) | 1984-05-28 |
| NO812354L (no) | 1982-01-12 |
| DE3026342A1 (de) | 1982-02-04 |
| DK149288B (da) | 1986-04-21 |
| FR2486652B1 (enrdf_load_stackoverflow) | 1985-04-12 |
| SE8103036L (sv) | 1982-01-12 |
| RO81308B (ro) | 1983-02-28 |
| GB2079950A (en) | 1982-01-27 |
| DK149288C (da) | 1986-11-03 |
| RO81308A (ro) | 1983-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |