ES411746A1 - Dispositivo indicador de nivel de fluido de tipo capaciti- vo. - Google Patents
Dispositivo indicador de nivel de fluido de tipo capaciti- vo.Info
- Publication number
- ES411746A1 ES411746A1 ES411746A ES411746A ES411746A1 ES 411746 A1 ES411746 A1 ES 411746A1 ES 411746 A ES411746 A ES 411746A ES 411746 A ES411746 A ES 411746A ES 411746 A1 ES411746 A1 ES 411746A1
- Authority
- ES
- Spain
- Prior art keywords
- level gauge
- reference signal
- fluid level
- capacitive fluid
- signal differentiating
- 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
- 239000012530 fluid Substances 0.000 title abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 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)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25279672A | 1972-05-12 | 1972-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES411746A1 true ES411746A1 (es) | 1976-01-01 |
Family
ID=22957588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES411746A Expired ES411746A1 (es) | 1972-05-12 | 1973-02-17 | Dispositivo indicador de nivel de fluido de tipo capaciti- vo. |
Country Status (8)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206400A (en) * | 1976-07-06 | 1980-06-03 | Sundstrand Data Control, Inc. | Accelerometer |
US4613802A (en) * | 1984-12-17 | 1986-09-23 | Ford Motor Company | Proximity moisture sensor |
US4767940A (en) * | 1987-10-02 | 1988-08-30 | Peachtree Patient Center, Inc. | Electronic sensing and control circuit |
UA18223U (en) * | 2005-04-22 | 2006-11-15 | Capacitive level meter for liquid | |
US10900822B1 (en) | 2014-03-13 | 2021-01-26 | Board Of Trustees Of The University Of Alabama, For And On Behalf Of The University Of Alabama In Huntsville | Apparatus and method for determination of liquid mass |
US10816383B1 (en) | 2014-03-13 | 2020-10-27 | Board Of Trustees Of The University Of Alabama | Apparatus and method for determination of liquid mass |
US11566936B1 (en) * | 2016-02-12 | 2023-01-31 | Munters Corporation | Method and apparatus to non-intrusively measure the weight of loose bulk material within a rigid containing structure |
CN106289450B (zh) * | 2016-07-27 | 2019-01-18 | 上海航天设备制造总厂 | 点式电容低温液位变换器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375084A (en) * | 1943-06-23 | 1945-05-01 | Gen Aniline & Film Corp | Liquid level measuring apparatus |
US2506143A (en) * | 1944-10-06 | 1950-05-02 | Liquidometer Corp | Circuits for electronic type indicating systems |
US2920214A (en) * | 1954-03-11 | 1960-01-05 | Honeywell Regulator Co | Condition responsive relay means |
FR1366936A (fr) * | 1963-06-05 | 1964-07-17 | Endress & Hauser G M B H & Co | Dispositif pour la mesure capacitive du niveau de remplissage d'un réservoir |
US3349301A (en) * | 1964-10-13 | 1967-10-24 | Simmonds Precision Products | High speed open capacitance probe for fuel systems |
DE1264811B (de) * | 1965-12-23 | 1968-03-28 | Georg Fritz | Kapazitiver Fuellstandsmesser fuer Behaelter |
FR1526273A (fr) * | 1967-04-13 | 1968-05-24 | Schlumberger Instrumentation | Dispositif pour la mesure des condensateurs électriques |
US3534606A (en) * | 1968-05-20 | 1970-10-20 | Cons Airborne Systems | Fuel gage |
US3580074A (en) * | 1969-05-23 | 1971-05-25 | Trans Sonics Inc | Temperature-compensated liquid quantity gage |
-
1972
- 1972-05-12 US US00252796A patent/US3795146A/en not_active Expired - Lifetime
- 1972-11-14 CA CA156,393A patent/CA1007326A/en not_active Expired
- 1972-11-23 FR FR7241661A patent/FR2183651B1/fr not_active Expired
-
1973
- 1973-01-25 GB GB388173A patent/GB1399425A/en not_active Expired
- 1973-02-09 JP JP1634173A patent/JPS5533529B2/ja not_active Expired
- 1973-02-17 ES ES411746A patent/ES411746A1/es not_active Expired
- 1973-04-09 SE SE7304959A patent/SE391581B/xx unknown
- 1973-05-08 IT IT23823/73A patent/IT987195B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5533529B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-09-01 |
CA1007326A (en) | 1977-03-22 |
US3795146A (en) | 1974-03-05 |
GB1399425A (en) | 1975-07-02 |
IT987195B (it) | 1975-02-20 |
FR2183651A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-21 |
JPS4929164A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-15 |
SE391581B (sv) | 1977-02-21 |
FR2183651B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-04-23 |
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