DE2555817C2 - Anordnung zum kapazitiven Messen des Pegels einer leitfähigen Flüssigkeit - Google Patents
Anordnung zum kapazitiven Messen des Pegels einer leitfähigen FlüssigkeitInfo
- Publication number
- DE2555817C2 DE2555817C2 DE19752555817 DE2555817A DE2555817C2 DE 2555817 C2 DE2555817 C2 DE 2555817C2 DE 19752555817 DE19752555817 DE 19752555817 DE 2555817 A DE2555817 A DE 2555817A DE 2555817 C2 DE2555817 C2 DE 2555817C2
- Authority
- DE
- Germany
- Prior art keywords
- probe
- electrode
- insulation
- flow channel
- protective
- 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.)
- Expired
Links
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- 238000005259 measurement Methods 0.000 title claims description 18
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- 238000000576 coating method Methods 0.000 description 31
- 239000011248 coating agent Substances 0.000 description 30
- 230000008878 coupling Effects 0.000 description 19
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- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/685—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates
- B29C70/687—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates the inserts being oriented, e.g. nets or meshes
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/532,208 US4064753A (en) | 1974-12-12 | 1974-12-12 | RF admittance measuring method and apparatus for determining the level of a conductive liquid |
| US63559575A | 1975-11-28 | 1975-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2555817A1 DE2555817A1 (de) | 1976-06-24 |
| DE2555817C2 true DE2555817C2 (de) | 1986-04-17 |
Family
ID=27063777
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752555817 Expired DE2555817C2 (de) | 1974-12-12 | 1975-12-11 | Anordnung zum kapazitiven Messen des Pegels einer leitfähigen Flüssigkeit |
| DE19752560645 Expired DE2560645C2 (de) | 1974-12-12 | 1975-12-11 | Leitwertmeßsonde zum Messen des Pegels einer in einem Behälter befindlichen Flüssigkeit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752560645 Expired DE2560645C2 (de) | 1974-12-12 | 1975-12-11 | Leitwertmeßsonde zum Messen des Pegels einer in einem Behälter befindlichen Flüssigkeit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5185759A (enrdf_load_stackoverflow) |
| CA (1) | CA1084117A (enrdf_load_stackoverflow) |
| DE (2) | DE2555817C2 (enrdf_load_stackoverflow) |
| GB (3) | GB1545200A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337555U (enrdf_load_stackoverflow) * | 1976-09-07 | 1978-04-01 | ||
| JPH02109220U (enrdf_load_stackoverflow) * | 1989-02-17 | 1990-08-31 | ||
| DE8902858U1 (de) * | 1989-03-06 | 1989-04-20 | Berliner Wasser-Betriebe Eigenbetrieb von Berlin, 1000 Berlin | Pegelmarke |
| DE4025400C1 (enrdf_load_stackoverflow) * | 1990-08-10 | 1992-04-09 | Vega Grieshaber Gmbh & Co, 7620 Wolfach, De | |
| DE10210504A1 (de) | 2002-03-11 | 2003-09-25 | Endress & Hauser Gmbh & Co Kg | Feldgerätelektronik für konduktive Grenzstandschalter |
| DE102007026273A1 (de) * | 2007-06-05 | 2008-12-18 | Herbert Griebel | Sensor und damit ausgestatteter Abscheidebehälter |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2852937A (en) * | 1955-04-07 | 1958-09-23 | Honeywell Regulator Co | Liquid level indicating apparatus |
| GB941645A (en) * | 1961-03-28 | 1963-11-13 | Dag Schreiber | Improvements in or relating to flow measurement devices |
| US3324647A (en) * | 1964-08-11 | 1967-06-13 | Parmet Company | Proximity detector |
| US3706980A (en) * | 1970-04-27 | 1972-12-19 | Drexelbrook Controls | Rf system for measuring the level of materials |
| US3781672A (en) * | 1971-05-10 | 1973-12-25 | Drexelbrook Controls | Continuous condition measuring system |
| DE7138801U (de) * | 1971-10-13 | 1974-03-21 | Endress & Hauser Gmbh & Co | Kapazitives Füllstandsmeßgerät |
| US3729994A (en) * | 1972-02-07 | 1973-05-01 | H Klug | Flow metering system for liquid wastes |
-
1975
- 1975-12-11 CA CA241,560A patent/CA1084117A/en not_active Expired
- 1975-12-11 DE DE19752555817 patent/DE2555817C2/de not_active Expired
- 1975-12-11 DE DE19752560645 patent/DE2560645C2/de not_active Expired
- 1975-12-12 JP JP50149038A patent/JPS5185759A/ja active Pending
- 1975-12-12 GB GB3338378A patent/GB1545200A/en not_active Expired
- 1975-12-12 GB GB5105775A patent/GB1545198A/en not_active Expired
- 1975-12-12 GB GB3338278A patent/GB1545199A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1545198A (en) | 1979-05-02 |
| GB1545199A (en) | 1979-05-02 |
| JPS5185759A (enrdf_load_stackoverflow) | 1976-07-27 |
| CA1084117A (en) | 1980-08-19 |
| DE2555817A1 (de) | 1976-06-24 |
| DE2560645C2 (de) | 1987-01-15 |
| GB1545200A (en) | 1979-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS |
|
| 8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 2560645 Format of ref document f/p: P |
|
| Q171 | Divided out to: |
Ref country code: DE Ref document number: 2560645 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| AH | Division in |
Ref country code: DE Ref document number: 2560645 Format of ref document f/p: P |
|
| 8339 | Ceased/non-payment of the annual fee |