FR1144844A - Circuit à oscillateur et pont capacitatif, et son application à la mesure notamment des niveaux liquides - Google Patents

Circuit à oscillateur et pont capacitatif, et son application à la mesure notamment des niveaux liquides

Info

Publication number
FR1144844A
FR1144844A FR1144844DA FR1144844A FR 1144844 A FR1144844 A FR 1144844A FR 1144844D A FR1144844D A FR 1144844DA FR 1144844 A FR1144844 A FR 1144844A
Authority
FR
France
Prior art keywords
oscillator
measurement
circuit
application
liquid levels
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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bendix Aviation Corp filed Critical Bendix Aviation Corp
Application granted granted Critical
Publication of FR1144844A publication Critical patent/FR1144844A/fr
Expired legal-status Critical Current

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
    • G01F23/266—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 measuring circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR1144844D 1955-04-01 1956-03-27 Circuit à oscillateur et pont capacitatif, et son application à la mesure notamment des niveaux liquides Expired FR1144844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1144844XA 1955-04-01 1955-04-01

Publications (1)

Publication Number Publication Date
FR1144844A true FR1144844A (fr) 1957-10-18

Family

ID=22355507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144844D Expired FR1144844A (fr) 1955-04-01 1956-03-27 Circuit à oscillateur et pont capacitatif, et son application à la mesure notamment des niveaux liquides

Country Status (1)

Country Link
FR (1) FR1144844A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060742A (en) * 1959-06-08 1962-10-30 Honeywell Regulator Co Condition sensing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060742A (en) * 1959-06-08 1962-10-30 Honeywell Regulator Co Condition sensing apparatus

Similar Documents

Publication Publication Date Title
CH379763A (fr) Composition thermodurcissable et utilisation de cette composition
FR1144844A (fr) Circuit à oscillateur et pont capacitatif, et son application à la mesure notamment des niveaux liquides
FR1164330A (fr) Perfectionnement à la mesure des débits élevés de fluides
FR1132013A (fr) Dispositif sensible à la vitesse de variation de l'altitude
CH339640A (de) Synchrondemodulationseinrichtung und Verwendung derselben in der Farbfernsehtechnik
FR1096957A (fr) Réceptacle destiné à la conservation et à la distribution de substances liquides
FR1220128A (fr) Compteur de liquides
FR1110492A (fr) Capacité voltmétrique et ses applications
FR1161454A (fr) Perfectionnements à la construction des téléviseurs et appareils analogues
FR1129718A (fr) Pompe et ses applications
FR71013E (fr) Compteur de liquides proportionnel
FR1164377A (fr) Compteur de liquides proportionnel
FR1186420A (fr) Compteur de liquides proportionnel
FR1185876A (fr) Pompe à liquides et autres
AT195140B (de) Refraktometer mit Meßskalen im Gesichtsfeld
FR1165245A (fr) équipage mobile d'instrument de mesure et notamment d'indicateur de vitesse
FR1210641A (fr) Mesure rapide et pratique des quantités d'électricité
FR1190745A (fr) Instrument manométrique à graduations indépendantes et différentielles
FR70551E (fr) Perfectionnements à la construction des téléviseurs et appareils analogues
ES39901Y (es) Dispositivo para la aplicación de baremos y cálculos en general
FR1110072A (fr) Perfectionnements apportés à la technique des engrenages
FR1107899A (fr) Perfectionnements à la fabrication de la pentaérythrite et des polyalcools
FR1109527A (fr) Chaux hydrophobe-colloïdale et ses applications
FI28827A (fi) Nestemittari
ES70959Y (es) Frasco medidor y trasvasadrs de líquidos