FR2288300B1 - - Google Patents
Info
- Publication number
- FR2288300B1 FR2288300B1 FR7530779A FR7530779A FR2288300B1 FR 2288300 B1 FR2288300 B1 FR 2288300B1 FR 7530779 A FR7530779 A FR 7530779A FR 7530779 A FR7530779 A FR 7530779A FR 2288300 B1 FR2288300 B1 FR 2288300B1
- 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
- G01F23/26—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
- G01F23/268—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 mounting arrangements of probes
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2449097A DE2449097C3 (de) | 1974-10-15 | 1974-10-15 | Meßumformer zur kapazitiven Füllstandsmessung von Flüssigkeitsfüllungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2288300A1 FR2288300A1 (fr) | 1976-05-14 |
| FR2288300B1 true FR2288300B1 (US20110158925A1-20110630-C00042.png) | 1983-03-04 |
Family
ID=5928364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7530779A Granted FR2288300A1 (fr) | 1974-10-15 | 1975-10-08 | Sonde a electrode isolee pour mesure capacitive de niveau |
Country Status (7)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2717301B1 (de) * | 1977-04-19 | 1978-08-31 | Pfaudler Werke Ag | Messumformer zur kapazitiven Fuellstandsmessung von Fluessigkeitsfuellungen |
| US4232300A (en) * | 1978-11-24 | 1980-11-04 | Drexelbrook Controls, Inc. | Level measuring system using admittance sensing |
| US4208909A (en) * | 1978-11-24 | 1980-06-24 | Drexelbrook Controls, Inc. | Admittance sensing probe having multiple sensing elements |
| US4212202A (en) * | 1979-08-09 | 1980-07-15 | The Bendix Corporation | Distributed compensation for capacitance-type fluid measuring apparatus |
| JPS57114822A (en) * | 1981-01-09 | 1982-07-16 | Nissan Motor Co Ltd | Electrostatic capacity type dosimeter |
| JPS57168169A (en) * | 1981-04-10 | 1982-10-16 | Nissan Motor Co Ltd | Electrostatic capacitance detector |
| GB8412461D0 (en) * | 1984-05-16 | 1984-06-20 | Schlumberger Electronics Uk | Fluid level measurement system |
| US4888989A (en) * | 1986-02-26 | 1989-12-26 | General Signal Corporation | Level sensor system |
| DE4312813C2 (de) * | 1993-04-20 | 1998-03-26 | Kuipers Ulrich Prof Dr Ing | Anordnung zur kapazitiven Füllstandsmessung |
| WO2002050498A1 (de) * | 2000-12-20 | 2002-06-27 | Abertax Research And Development Ltd. | Verfahren und vorrichtung zum messen von pegelständen |
| US20080231290A1 (en) * | 2004-05-14 | 2008-09-25 | Scientific Generics Ltd. | Capacitive Position Sensor |
| WO2006105963A2 (de) * | 2005-04-08 | 2006-10-12 | Ellenberger & Poensgen Gmbh | Sensor, insbesondere kapazitiver niveausensor, sowie verfahren zu dessen herstellung |
| US8410948B2 (en) * | 2008-05-12 | 2013-04-02 | John Vander Horst | Recreational vehicle holding tank sensor probe |
| DE102010014572A1 (de) | 2010-04-10 | 2011-10-13 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Erfassung eines Schmiermittelniveaus für eine Brennkraftmaschine |
| EP2735851B1 (de) * | 2012-11-27 | 2020-04-22 | Rechner Industrie-Elektronik GmbH | Verfahren und Vorrichtung zur kapazitiven Füllstandsmessung mit Kabelsonde oder Stabsonde |
| US9476752B2 (en) | 2014-10-01 | 2016-10-25 | Sealed Air Corporation | Fluid level sensor |
| WO2019204059A1 (en) * | 2018-04-18 | 2019-10-24 | Pitco Frialator, Inc. | Capacitive sensor device |
| CN113616074A (zh) * | 2020-05-08 | 2021-11-09 | 浙江绍兴苏泊尔生活电器有限公司 | 补水控制方法、装置、电水壶及存储介质 |
| CN112945346A (zh) * | 2021-03-31 | 2021-06-11 | 北京大蚯蚓数字科技有限公司 | 液位高度测量设备及方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2950426A (en) * | 1956-06-26 | 1960-08-23 | Simmonds Precision Products | Capacitor for conductive liquids |
| US2864981A (en) * | 1956-08-14 | 1958-12-16 | Liquidometer Corp | Compensating capacitor |
| US3119266A (en) * | 1960-11-10 | 1964-01-28 | Duane E Atkinson | Level indicating system, method and probe |
| US3400331A (en) * | 1965-01-18 | 1968-09-03 | Pratt & Whitney Inc | Gaging device including a probe having a plurality of concentric and coextensive electrodes |
| US3826980A (en) * | 1967-12-27 | 1974-07-30 | Pfaudler Werke Ag | Enameled electrical sensing probe |
| US3935740A (en) * | 1974-06-20 | 1976-02-03 | Sybron Corporation | Liquid level probe |
-
1974
- 1974-10-15 DE DE2449097A patent/DE2449097C3/de not_active Expired
-
1975
- 1975-10-06 US US05/619,844 patent/US4021707A/en not_active Expired - Lifetime
- 1975-10-07 CH CH1300575A patent/CH588688A5/xx not_active IP Right Cessation
- 1975-10-08 FR FR7530779A patent/FR2288300A1/fr active Granted
- 1975-10-09 NL NL7511899A patent/NL7511899A/xx not_active Application Discontinuation
- 1975-10-14 IT IT51768/75A patent/IT1047797B/it active
- 1975-10-14 GB GB41947/75A patent/GB1523338A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2288300A1 (fr) | 1976-05-14 |
| IT1047797B (it) | 1980-10-20 |
| US4021707A (en) | 1977-05-03 |
| DE2449097C3 (de) | 1978-06-01 |
| DE2449097B2 (de) | 1977-10-13 |
| CH588688A5 (US20110158925A1-20110630-C00042.png) | 1977-06-15 |
| NL7511899A (nl) | 1976-04-21 |
| GB1523338A (en) | 1978-08-31 |
| DE2449097A1 (de) | 1976-04-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |