ES341202A1 - Perfeccionamientos en dispositivos de deteccion y de medidade las variaciones de una impedancia variable. - Google Patents
Perfeccionamientos en dispositivos de deteccion y de medidade las variaciones de una impedancia variable.Info
- Publication number
- ES341202A1 ES341202A1 ES341202A ES341202A ES341202A1 ES 341202 A1 ES341202 A1 ES 341202A1 ES 341202 A ES341202 A ES 341202A ES 341202 A ES341202 A ES 341202A ES 341202 A1 ES341202 A1 ES 341202A1
- Authority
- ES
- Spain
- Prior art keywords
- impedance
- cable
- sensing capacitor
- electrode
- generator
- 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
- 239000003990 capacitor Substances 0.000 abstract 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 230000010355 oscillation Effects 0.000 abstract 2
- 239000000523 sample Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
- G08C19/10—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using variable capacitance
-
- 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
- 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
- G01F23/265—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 for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR63527A FR1498357A (fr) | 1966-05-31 | 1966-05-31 | Dispositif détecteur à impédance variable et son application à un appareil de surveillance, à distance, du niveau de l'huile d'un réséroir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES341202A1 true ES341202A1 (es) | 1968-06-16 |
Family
ID=8609777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES341202A Expired ES341202A1 (es) | 1966-05-31 | 1967-05-31 | Perfeccionamientos en dispositivos de deteccion y de medidade las variaciones de una impedancia variable. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3478586A (es) |
| BE (1) | BE698455A (es) |
| CH (1) | CH479860A (es) |
| ES (1) | ES341202A1 (es) |
| FR (1) | FR1498357A (es) |
| GB (1) | GB1151798A (es) |
| LU (1) | LU53750A1 (es) |
| NL (1) | NL6707416A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2220780B1 (es) * | 1973-03-07 | 1976-04-30 | Polischuk Konstantin | |
| JPS5770121U (es) * | 1980-10-16 | 1982-04-27 | ||
| CN112660170A (zh) * | 2020-08-28 | 2021-04-16 | 青岛四机宏达工贸有限公司 | 轨道交通车辆post自控系统 |
| CN118758396B (zh) * | 2024-09-05 | 2024-12-31 | 四川泛华航空仪表电器有限公司 | 一种变径式油量传感器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2622442A (en) * | 1949-06-10 | 1952-12-23 | Phillips Petroleum Co | Apparatus for measuring liquid levels |
| US2866336A (en) * | 1953-07-06 | 1958-12-30 | Little Inc A | Liquid level gage |
-
1966
- 1966-05-31 FR FR63527A patent/FR1498357A/fr not_active Expired
-
1967
- 1967-05-12 BE BE698455D patent/BE698455A/xx unknown
- 1967-05-16 CH CH694767A patent/CH479860A/fr not_active IP Right Cessation
- 1967-05-22 US US640229A patent/US3478586A/en not_active Expired - Lifetime
- 1967-05-25 GB GB24464/67A patent/GB1151798A/en not_active Expired
- 1967-05-25 LU LU53750D patent/LU53750A1/xx unknown
- 1967-05-29 NL NL6707416A patent/NL6707416A/xx unknown
- 1967-05-31 ES ES341202A patent/ES341202A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3478586A (en) | 1969-11-18 |
| CH479860A (fr) | 1969-10-15 |
| LU53750A1 (es) | 1967-07-25 |
| DE1623665A1 (de) | 1971-07-29 |
| NL6707416A (es) | 1967-12-01 |
| GB1151798A (en) | 1969-05-14 |
| BE698455A (es) | 1967-10-16 |
| DE1623665B2 (de) | 1973-01-04 |
| FR1498357A (fr) | 1967-10-20 |
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