NL8304488A - Opstelling en werkwijze voor het meten van een vloeistofniveau. - Google Patents
Opstelling en werkwijze voor het meten van een vloeistofniveau. Download PDFInfo
- Publication number
- NL8304488A NL8304488A NL8304488A NL8304488A NL8304488A NL 8304488 A NL8304488 A NL 8304488A NL 8304488 A NL8304488 A NL 8304488A NL 8304488 A NL8304488 A NL 8304488A NL 8304488 A NL8304488 A NL 8304488A
- Authority
- NL
- Netherlands
- Prior art keywords
- coil
- electrode
- electromagnetic field
- elongated
- liquid
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 16
- 239000008267 milk Substances 0.000 claims description 36
- 235000013336 milk Nutrition 0.000 claims description 36
- 210000004080 milk Anatomy 0.000 claims description 36
- 230000005672 electromagnetic field Effects 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 20
- 238000012886 linear function Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 description 10
- 239000000523 sample Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035945 sensitivity 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ20149882 | 1982-12-31 | ||
| NZ201498A NZ201498A (en) | 1982-12-31 | 1982-12-31 | Liquid level measured by induction field of shortable solenoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8304488A true NL8304488A (nl) | 1984-07-16 |
Family
ID=19920053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8304488A NL8304488A (nl) | 1982-12-31 | 1983-12-29 | Opstelling en werkwijze voor het meten van een vloeistofniveau. |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4554831A (cs) |
| JP (1) | JPS59136623A (cs) |
| AU (1) | AU567529B2 (cs) |
| BE (1) | BE898582A (cs) |
| CA (1) | CA1208453A (cs) |
| DD (1) | DD216793A5 (cs) |
| DE (1) | DE3347606A1 (cs) |
| DK (1) | DK608783A (cs) |
| FI (1) | FI74540C (cs) |
| FR (1) | FR2538900B1 (cs) |
| GB (1) | GB2134264B (cs) |
| HU (1) | HU189801B (cs) |
| IE (1) | IE54949B1 (cs) |
| IT (1) | IT1171898B (cs) |
| NL (1) | NL8304488A (cs) |
| NO (1) | NO159420C (cs) |
| NZ (1) | NZ201498A (cs) |
| SE (1) | SE8307204L (cs) |
| ZA (1) | ZA839692B (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4716536A (en) * | 1985-04-16 | 1987-12-29 | The Foxboro Company | Measurement calibration |
| US4827769A (en) * | 1988-09-16 | 1989-05-09 | Hamilton Standard Controls, Inc. | Fuel level sensor with buried conductor |
| JPH0324425A (ja) * | 1989-06-20 | 1991-02-01 | Murata Mfg Co Ltd | 変位量計測装置 |
| US9784093B2 (en) * | 2014-05-08 | 2017-10-10 | WellGauge, Inc. | Well water depth monitor |
| GB2570323B (en) * | 2018-01-19 | 2020-08-12 | Paul Clarkson Melvin | Permittivity based fluid level sensor wherein build-up of fluid vapour droplets is prevented |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1243891B (de) * | 1964-04-06 | 1967-07-06 | Euratom | Geraet zum kontinuierlichen Messen des Fluessigkeitsstandes elektrisch leitfaehiger Fluessigkeiten |
| US3349617A (en) * | 1965-01-12 | 1967-10-31 | Hartstone John Lewis | Metering and flow indicating device for use during milking |
| AU1185670A (en) * | 1969-02-27 | 1971-08-26 | The Commonwealth Industrial Gases Limited | Cryogenic liquid level indicator |
| US3722281A (en) * | 1970-11-04 | 1973-03-27 | Eng Physics Co | Liquid height gauge |
| US3755804A (en) * | 1971-10-18 | 1973-08-28 | W Johnson | Liquid level sensing system and apparatus |
| DE2210296C2 (de) * | 1972-03-03 | 1983-10-20 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Füllstandsmeßgerät zur kontinuierlichen Messung für elektrisch leitende Flüssigkeiten |
| DE7333074U (de) * | 1973-09-12 | 1975-06-26 | Interatom Int Atomreaktorbau Gmbh | Kontinuierlicher Füllstandsmesser für elektrisch leitende Flüssigkeiten |
| US4125021A (en) * | 1976-06-01 | 1978-11-14 | Doryokuro Kakunenryo Kaihatsu Jigyodan | Apparatus for detecting conductive liquid level |
| GB2062238A (en) * | 1979-10-15 | 1981-05-20 | Ponting I M | An impedance measuring system |
-
1982
- 1982-12-31 NZ NZ201498A patent/NZ201498A/en unknown
-
1983
- 1983-12-22 AU AU22770/83A patent/AU567529B2/en not_active Ceased
- 1983-12-23 IE IE3058/83A patent/IE54949B1/en unknown
- 1983-12-27 IT IT49591/83A patent/IT1171898B/it active
- 1983-12-28 JP JP58245594A patent/JPS59136623A/ja active Pending
- 1983-12-29 GB GB08334576A patent/GB2134264B/en not_active Expired
- 1983-12-29 SE SE8307204A patent/SE8307204L/ not_active Application Discontinuation
- 1983-12-29 ZA ZA839692A patent/ZA839692B/xx unknown
- 1983-12-29 BE BE0/212137A patent/BE898582A/fr not_active IP Right Cessation
- 1983-12-29 NL NL8304488A patent/NL8304488A/nl not_active Application Discontinuation
- 1983-12-30 FI FI834873A patent/FI74540C/fi not_active IP Right Cessation
- 1983-12-30 US US06/567,320 patent/US4554831A/en not_active Expired - Fee Related
- 1983-12-30 DD DD83258937A patent/DD216793A5/de unknown
- 1983-12-30 HU HU834540A patent/HU189801B/hu unknown
- 1983-12-30 NO NO834879A patent/NO159420C/no unknown
- 1983-12-30 DE DE19833347606 patent/DE3347606A1/de active Granted
- 1983-12-30 DK DK608783A patent/DK608783A/da not_active Application Discontinuation
- 1983-12-30 FR FR8321108A patent/FR2538900B1/fr not_active Expired
- 1983-12-30 CA CA000444501A patent/CA1208453A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4554831A (en) | 1985-11-26 |
| IE833058L (en) | 1984-06-30 |
| FR2538900A1 (fr) | 1984-07-06 |
| NZ201498A (en) | 1987-11-27 |
| FI834873A0 (fi) | 1983-12-30 |
| DK608783A (da) | 1984-07-01 |
| GB2134264A (en) | 1984-08-08 |
| IE54949B1 (en) | 1990-03-28 |
| CA1208453A (en) | 1986-07-29 |
| GB2134264B (en) | 1986-03-05 |
| DE3347606A1 (de) | 1984-07-12 |
| IT8349591A0 (it) | 1983-12-27 |
| FR2538900B1 (fr) | 1988-03-18 |
| JPS59136623A (ja) | 1984-08-06 |
| DD216793A5 (de) | 1984-12-19 |
| BE898582A (fr) | 1984-04-16 |
| AU567529B2 (en) | 1987-11-26 |
| FI74540C (fi) | 1988-02-08 |
| NO834879L (no) | 1984-07-02 |
| NO159420C (no) | 1988-12-21 |
| NO159420B (no) | 1988-09-12 |
| DE3347606C2 (cs) | 1988-12-15 |
| SE8307204D0 (sv) | 1983-12-29 |
| ZA839692B (en) | 1984-08-29 |
| SE8307204L (sv) | 1984-07-01 |
| HU189801B (en) | 1986-08-28 |
| FI834873L (fi) | 1984-07-01 |
| DK608783D0 (da) | 1983-12-30 |
| FI74540B (fi) | 1987-10-30 |
| GB8334576D0 (en) | 1984-02-01 |
| IT1171898B (it) | 1987-06-10 |
| AU2277083A (en) | 1984-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |