FR1498357A - Dispositif détecteur à impédance variable et son application à un appareil de surveillance, à distance, du niveau de l'huile d'un réséroir - Google Patents
Dispositif détecteur à impédance variable et son application à un appareil de surveillance, à distance, du niveau de l'huile d'un réséroirInfo
- Publication number
- FR1498357A FR1498357A FR63527A FR63527A FR1498357A FR 1498357 A FR1498357 A FR 1498357A FR 63527 A FR63527 A FR 63527A FR 63527 A FR63527 A FR 63527A FR 1498357 A FR1498357 A FR 1498357A
- Authority
- FR
- France
- Prior art keywords
- tank
- application
- remote monitoring
- oil level
- variable impedance
- 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
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)
Priority Applications (9)
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 |
BE698455D BE698455A (fr) | 1966-05-31 | 1967-05-12 | |
CH694767A CH479860A (fr) | 1966-05-31 | 1967-05-16 | Dispositif de mesure des variations d'une grandeur physique par l'intermédiaire d'un élément détecteur dont l'impédance varie en fonction de la grandeur à mesurer |
US640229A US3478586A (en) | 1966-05-31 | 1967-05-22 | Sensing device having a variable impedance and the application thereof to an apparatus for supervising from a distance the level of oil in a tank |
GB24464/67A GB1151798A (en) | 1966-05-31 | 1967-05-25 | Improvements in or relating to s Sensing Device having a Variable Impedance and the Application thereof to an apparatus for Supervising from a Distance the Level of Oil in a Tank |
LU53750D LU53750A1 (fr) | 1966-05-31 | 1967-05-25 | |
NL6707416A NL6707416A (fr) | 1966-05-31 | 1967-05-29 | |
DE19671623665 DE1623665C (de) | 1966-05-31 | 1967-05-30 | Vorrichtung zur Messung und Anzeige einer physikalischen Große |
ES341202A ES341202A1 (es) | 1966-05-31 | 1967-05-31 | Perfeccionamientos en dispositivos de deteccion y de medidade las variaciones de una impedancia variable. |
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 |
---|---|
FR1498357A true FR1498357A (fr) | 1967-10-20 |
Family
ID=8609777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR63527A Expired 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 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3478586A (fr) |
BE (1) | BE698455A (fr) |
CH (1) | CH479860A (fr) |
ES (1) | ES341202A1 (fr) |
FR (1) | FR1498357A (fr) |
GB (1) | GB1151798A (fr) |
LU (1) | LU53750A1 (fr) |
NL (1) | NL6707416A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2220780A1 (fr) * | 1973-03-07 | 1974-10-04 | Polischuk Konstantin |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5770121U (fr) * | 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 |
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 LU LU53750D patent/LU53750A1/xx unknown
- 1967-05-25 GB GB24464/67A patent/GB1151798A/en not_active Expired
- 1967-05-29 NL NL6707416A patent/NL6707416A/xx unknown
- 1967-05-31 ES ES341202A patent/ES341202A1/es not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2220780A1 (fr) * | 1973-03-07 | 1974-10-04 | Polischuk Konstantin |
Also Published As
Publication number | Publication date |
---|---|
LU53750A1 (fr) | 1967-07-25 |
CH479860A (fr) | 1969-10-15 |
DE1623665B2 (de) | 1973-01-04 |
ES341202A1 (es) | 1968-06-16 |
US3478586A (en) | 1969-11-18 |
DE1623665A1 (de) | 1971-07-29 |
GB1151798A (en) | 1969-05-14 |
NL6707416A (fr) | 1967-12-01 |
BE698455A (fr) | 1967-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH440740A (fr) | Appareil de détection du niveau d'un fluide | |
BE793625A (fr) | Dispositif de mesure a distance du niveau d'un liquide | |
CH467997A (fr) | Indicateur du niveau d'un liquide | |
FR1498357A (fr) | Dispositif détecteur à impédance variable et son application à un appareil de surveillance, à distance, du niveau de l'huile d'un réséroir | |
BE747099A (fr) | Dispositif de detection du niveau d'un liquide et son application a un systeme de circulation de lubrifiant | |
BE798222A (fr) | Dispositif indicateur du niveau d'un liquide | |
FR1389442A (fr) | Perfectionnements aux dispositifs de surveillance automatique du niveau d'un liquide | |
FR1509884A (fr) | Dispositif de surveillance | |
FR1436541A (fr) | Dispositif détecteur pour indiquer un niveau de liquide | |
FR1480268A (fr) | Dispositif de surveillance à distance du fonctionnement d'organes mécaniques | |
FR1350176A (fr) | Dispositif détecteur de niveau d'un liquide | |
FR1357551A (fr) | Détecteur capacitif du niveau d'un liquide | |
FR1456920A (fr) | Témoin du niveau d'un liquide | |
FR1497415A (fr) | Appareil de mesure du niveau d'un liquide | |
FR1518298A (fr) | Détecteur hydrostatique de la densité d'un liquide | |
FR1445220A (fr) | Dispositif pour la surveillance du fonctionnement cardiaque d'un foetus | |
FR1416226A (fr) | Dispositif détecteur de niveau de liquide | |
FR90176E (fr) | Dispositif de repérage du niveau d'un liquide | |
FR1418134A (fr) | Dispositif d'avertissement sonore à intensité croissante en fonction du temps | |
CH455310A (fr) | Dispositif de réglage du niveau d'un liquide | |
FR1321858A (fr) | Tuyau de remplissage et d'indication de niveau d'huile | |
FR1542700A (fr) | Dispositif détecteur d'alarme | |
FR1520492A (fr) | Dispositif de surveillance du fonctionnement d'un indicateur sphérique | |
FR1506426A (fr) | Dispositif de mesure du niveau d'un liquide | |
FR1442042A (fr) | Perfectionnements aux appareils détecteurs du niveau d'un liquide |